{"id":1671,"date":"2026-04-16T11:41:45","date_gmt":"2026-04-16T11:41:45","guid":{"rendered":"https:\/\/wayhope.kro.kr\/?p=1671"},"modified":"2026-08-31T07:32:39","modified_gmt":"2026-08-31T07:32:39","slug":"kafka-%ed%95%b5%ec%8b%ac-%ec%a0%95%eb%a6%ac","status":"publish","type":"post","link":"https:\/\/wayhope.kro.kr\/?p=1671","title":{"rendered":"Kafka \ud575\uc2ec \uc815\ub9ac"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Kafka\ub97c \ucc98\uc74c \ubcf4\uba74 \uba54\uc2dc\uc9c0 \ud050(Message Queue)\ucc98\ub7fc \ubcf4\uc778\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e4\uc81c\ub85c \uba54\uc2dc\uc9c0\ub97c Producer\uac00 \ub123\uace0 Consumer\uac00 \uac00\uc838\uac00\ub294 \uad6c\uc870\ub97c \uc0ac\uc6a9\ud558\uae30 \ub54c\ubb38\uc5d0 RabbitMQ \uac19\uc740 \uba54\uc2dc\uc9c0 \ube0c\ub85c\ucee4\uc640 \ube44\uc2b7\ud55c \uc5ed\ud560\uc744 \ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e4\ub9cc Kafka\ub97c \ub2e8\uc21c\ud788 \uba54\uc2dc\uc9c0\ub97c \uc804\ub2ec\ud558\uace0 \uc0ad\uc81c\ud558\ub294 \ud050\ub85c \uc774\ud574\ud558\uba74 \uad6c\uc870\uac00 \uc798 \uc7a1\ud788\uc9c0 \uc54a\ub294\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kafka\ub294 <strong>\ub300\uaddc\ubaa8 \uc774\ubca4\ud2b8\uc640 \ub370\uc774\ud130\ub97c \uc9c0\uc18d\uc801\uc73c\ub85c \uae30\ub85d\ud558\uace0, \uc5ec\ub7ec Consumer\uac00 \ub3c5\ub9bd\uc801\uc73c\ub85c \uc77d\uc744 \uc218 \uc788\ub3c4\ub85d \ub9cc\ub4e0 \ubd84\uc0b0 \uc774\ubca4\ud2b8 \uc2a4\ud2b8\ub9ac\ubc0d \ud50c\ub7ab\ud3fc<\/strong>\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud575\uc2ec\uc740 \uba54\uc2dc\uc9c0\ub97c \uc911\uc559\uc5d0\uc11c \uc804\ub2ec\ud558\ub294 \uac83\ubcf4\ub2e4 <strong>\uc774\ubca4\ud2b8\ub97c \ub85c\uadf8 \ud615\ud0dc\ub85c \uc800\uc7a5\ud558\uace0 Consumer\uac00 \uc790\uc2e0\uc758 Offset\uc744 \uae30\uc900\uc73c\ub85c \uc77d\ub294 \uad6c\uc870<\/strong>\uc5d0 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc804\uccb4\uc801\uc778 \ud750\ub984\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Producer -&gt; Kafka Cluster -&gt; Topic -&gt; Partition -&gt; Consumer Group -&gt; Consumer\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Kafka\uac00 \ud544\uc694\ud55c \uc774\uc720<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\uc11c\ubc84\uac00 \ub2e4\ub978 \uc11c\ubc84\ub97c \uc9c1\uc811 \ud638\ucd9c\ud558\ub294 \uad6c\uc870\uc5d0\uc11c\ub294 \uc11c\ube44\uc2a4 \uc0ac\uc774\uc758 \uacb0\ud569\ub3c4\uac00 \ub192\uc544\uc9c4\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 \uc8fc\ubb38\uc774 \uc644\ub8cc\ub41c \ub4a4 \uc5ec\ub7ec \uc791\uc5c5\uc774 \ud544\uc694\ud558\ub2e4\uace0 \ud558\uc790.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\uc8fc\ubb38 \uc644\ub8cc -&gt; \uacb0\uc81c \ucc98\ub9ac\n\uc8fc\ubb38 \uc644\ub8cc -&gt; \uc7ac\uace0 \ucc28\uac10\n\uc8fc\ubb38 \uc644\ub8cc -&gt; \uc774\uba54\uc77c \ubc1c\uc1a1\n\uc8fc\ubb38 \uc644\ub8cc -&gt; \ud1b5\uacc4 \ucc98\ub9ac\n\uc8fc\ubb38 \uc644\ub8cc -&gt; \uc54c\ub9bc \ubc1c\uc1a1\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7f0 \uad6c\uc870\ub97c \uc8fc\ubb38 \uc11c\ubc84\uac00 \uc9c1\uc811 \uad00\ub9ac\ud558\uba74 \uc11c\ube44\uc2a4\uac00 \ub298\uc5b4\ub0a0\uc218\ub85d \uc758\uc874\uc131\uc774 \ubcf5\uc7a1\ud574\uc9c4\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kafka\ub97c \uc911\uac04\uc5d0 \ub450\uba74 \uad6c\uc870\ub97c \ubc14\uafc0 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Order Server -&gt; Kafka -&gt; Payment Consumer\nOrder Server -&gt; Kafka -&gt; Inventory Consumer\nOrder Server -&gt; Kafka -&gt; Mail Consumer\nOrder Server -&gt; Kafka -&gt; Statistics Consumer\nOrder Server -&gt; Kafka -&gt; Notification Consumer\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc2e4\uc81c\ub85c\ub294 \ud558\ub098\uc758 \uc774\ubca4\ud2b8\ub97c Kafka Topic\uc5d0 \uae30\ub85d\ud558\uace0 \uc5ec\ub7ec Consumer Group\uc774 \uc774\ub97c \ub3c5\ub9bd\uc801\uc73c\ub85c \uc18c\ube44\ud55c\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Order Server -&gt; order-events -&gt; Payment Group\nOrder Server -&gt; order-events -&gt; Inventory Group\nOrder Server -&gt; order-events -&gt; Statistics Group\nOrder Server -&gt; order-events -&gt; Notification Group\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc8fc\ubb38 \uc11c\ubc84\ub294 &#8220;\uc8fc\ubb38\uc774 \uc644\ub8cc\ub410\ub2e4&#8221;\ub294 \uc774\ubca4\ud2b8\ub97c \uae30\ub85d\ud558\uace0, \uc774\ud6c4 \uc5b4\ub5a4 \uc11c\ube44\uc2a4\uac00 \uc774 \uc774\ubca4\ud2b8\ub97c \uc0ac\uc6a9\ud560\uc9c0\ub294 \uac01 Consumer\uac00 \uacb0\uc815\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub807\uac8c Producer\uc640 Consumer\uc758 \uacb0\ud569\ub3c4\ub97c \ub0ae\ucd9c \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Producer\uc640 Consumer<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kafka\uc5d0\uc11c \ub370\uc774\ud130\ub97c \ub123\ub294 \ucabd\uc744 <strong>Producer<\/strong>, \ub370\uc774\ud130\ub97c \uc77d\ub294 \ucabd\uc744 <strong>Consumer<\/strong>\ub77c\uace0 \ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uae30\ubcf8\uc801\uc778 \ud750\ub984\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Producer -&gt; Topic -&gt; Consumer\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Producer\ub294 \ud2b9\uc815 Topic\uc5d0 \uc774\ubca4\ud2b8\ub97c \uae30\ub85d\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Consumer\ub294 Topic\uc758 \ub370\uc774\ud130\ub97c \uc77d\uc5b4 \uc2e4\uc81c \uc791\uc5c5\uc744 \uc218\ud589\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc911\uc694\ud55c \uc810\uc740 Consumer \ud558\ub098\uac00 \ub370\uc774\ud130\ub97c \uc77d\uc5c8\ub2e4\uace0 \ud574\uc11c \ub2e4\ub978 Consumer\uac00 \uac19\uc740 \uc774\ubca4\ud2b8\ub97c \uc77d\uc9c0 \ubabb\ud558\ub294 \uad6c\uc870\uac00 \uc544\ub2c8\ub77c\ub294 \uac83\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Consumer Group\uc774 \ub2e4\ub974\uba74 \uac19\uc740 \uc774\ubca4\ud2b8\ub97c \uac01\uac01 \ub3c5\ub9bd\uc801\uc73c\ub85c \uc18c\ube44\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"684\" height=\"303\" src=\"https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-111.png\" alt=\"\" class=\"wp-image-2012\" style=\"aspect-ratio:2.257490588417307;width:545px;height:auto\" srcset=\"https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-111.png 684w, https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-111-300x133.png 300w\" sizes=\"auto, (max-width: 684px) 100vw, 684px\" \/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Topic<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Topic\uc740 Kafka\uc5d0\uc11c \uc774\ubca4\ud2b8\ub97c \ub17c\ub9ac\uc801\uc73c\ub85c \uad6c\ubd84\ud558\ub294 \ub2e8\uc704\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 \ub2e4\uc74c\uacfc \uac19\uc774 Topic\uc744 \uad6c\uc131\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>order-events\npayment-events\nuser-events\ngame-events\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Producer\ub294 \ud2b9\uc815 Topic\uc5d0 \uc774\ubca4\ud2b8\ub97c \uae30\ub85d\ud558\uace0 Consumer\ub294 \ud544\uc694\ud55c Topic\uc744 \uc77d\ub294\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"562\" height=\"264\" src=\"https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-112.png\" alt=\"\" class=\"wp-image-2013\" srcset=\"https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-112.png 562w, https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-112-300x141.png 300w\" sizes=\"auto, (max-width: 562px) 100vw, 562px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Topic\uc740 \uc2e4\uc81c \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud558\ub294 \ud558\ub098\uc758 \ub2e8\uc21c\ud55c \ud30c\uc77c\uc774 \uc544\ub2c8\ub77c \uc5ec\ub7ec Partition\uc73c\ub85c \uad6c\uc131\ub420 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Topic -&gt; Partition 0\nTopic -&gt; Partition 1\nTopic -&gt; Partition 2\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Partition<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kafka\uc758 \uc131\ub2a5\uacfc \ud655\uc7a5\uc131\uc744 \uc774\ud574\ud558\ub824\uba74 Partition\uc744 \uc54c\uc544\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud558\ub098\uc758 Topic\uc740 \uc5ec\ub7ec Partition\uc73c\ub85c \ub098\ub20c \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Topic -&gt; Partition 0\nTopic -&gt; Partition 1\nTopic -&gt; Partition 2\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Producer\uac00 \uc774\ubca4\ud2b8\ub97c \ubcf4\ub0b4\uba74 Kafka\ub294 \ud2b9\uc815 Partition\uc5d0 \uc774\ubca4\ud2b8\ub97c \uae30\ub85d\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Partition\uc740 Kafka\uc5d0\uc11c \ub370\uc774\ud130\ub97c \ubd84\uc0b0\ud558\uace0 \ubcd1\ub82c \ucc98\ub9ac\ud558\uae30 \uc704\ud55c \ud575\uc2ec \ub2e8\uc704\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 Partition\uc774 3\uac1c\uc774\uace0 Consumer\ub3c4 3\uac1c\ub77c\uba74 \ub2e4\uc74c\uacfc \uac19\uc774 \ub098\ub220 \ucc98\ub9ac\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Partition 0 -&gt; Consumer 1\nPartition 1 -&gt; Consumer 2\nPartition 2 -&gt; Consumer 3\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\ub530\ub77c\uc11c Kafka\ub294 \ub9ce\uc740 \ub370\uc774\ud130\ub97c \uc5ec\ub7ec Consumer\uac00 \ub098\ub204\uc5b4 \ucc98\ub9ac\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Offset<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Partition \uc548\uc758 \uac01 \uc774\ubca4\ud2b8\uc5d0\ub294 \uc21c\uc11c\ub97c \ub098\ud0c0\ub0b4\ub294 Offset\uc774 \uc874\uc7ac\ud55c\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Partition -&gt; Offset 0 -&gt; OrderCreated\nPartition -&gt; Offset 1 -&gt; OrderCreated\nPartition -&gt; Offset 2 -&gt; OrderCancelled\nPartition -&gt; Offset 3 -&gt; OrderCreated\nPartition -&gt; Offset 4 -&gt; OrderCreated\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Consumer\ub294 \uc790\uc2e0\uc774 \uc5b4\ub514\uae4c\uc9c0 \uc77d\uc5c8\ub294\uc9c0\ub97c Offset\uc73c\ub85c \uad00\ub9ac\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 Offset 2\uae4c\uc9c0 \ucc98\ub9ac\ud588\ub2e4\uba74 \ub2e4\uc74c \ucc98\ub9ac \uc704\uce58\ub294 Offset 3\uc774\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Consumer -&gt; Offset 0 \ucc98\ub9ac -&gt; Offset 1 \ucc98\ub9ac -&gt; Offset 2 \ucc98\ub9ac -&gt; Offset 3 \ucc98\ub9ac\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Kafka\uc5d0\uc11c \uc911\uc694\ud55c \uc810\uc740 Consumer\uac00 \uc774\ubca4\ud2b8\ub97c \uc77d\uc5c8\ub2e4\uace0 \ud574\uc11c \ud574\ub2f9 \uc774\ubca4\ud2b8\uac00 \uc989\uc2dc \uc0ad\uc81c\ub418\ub294 \uac83\uc774 \uc544\ub2c8\ub77c\ub294 \uac83\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kafka\ub294 \uc124\uc815\ub41c Retention \uc815\ucc45\uc5d0 \ub530\ub77c \uc774\ubca4\ud2b8\ub97c \uc77c\uc815 \uae30\uac04 \uc800\uc7a5\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub530\ub77c\uc11c \ud544\uc694\ud55c \uacbd\uc6b0 Consumer\uac00 \uacfc\uac70 Offset\ubd80\ud130 \ub2e4\uc2dc \uc77d\uc744 \uc218\ub3c4 \uc788\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"875\" height=\"278\" src=\"https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-113.png\" alt=\"\" class=\"wp-image-2014\" srcset=\"https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-113.png 875w, https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-113-300x95.png 300w, https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-113-768x244.png 768w\" sizes=\"auto, (max-width: 875px) 100vw, 875px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774 \uad6c\uc870\uac00 Kafka\ub97c \uc77c\ubc18\uc801\uc778 \uba54\uc2dc\uc9c0 \ud050\uc640 \uad6c\ubd84\ud558\ub294 \ud575\uc2ec \uc911 \ud558\ub098\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Consumer Group<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Consumer Group\uc740 Kafka\uc758 \ubcd1\ub82c \ucc98\ub9ac\uc640 \ub3c5\ub9bd\uc801\uc778 \uc774\ubca4\ud2b8 \uc18c\ube44\ub97c \uc774\ud574\ud558\ub294 \ub370 \uc911\uc694\ud55c \uac1c\ub150\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac19\uc740 Consumer Group\uc5d0 \uc18d\ud55c Consumer\ub4e4\uc740 Partition\uc744 \ub098\ub204\uc5b4 \ucc98\ub9ac\ud55c\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Topic -&gt; Partition 0 -&gt; Consumer 1\nTopic -&gt; Partition 1 -&gt; Consumer 2\nTopic -&gt; Partition 2 -&gt; Consumer 3\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\ub530\ub77c\uc11c \uac19\uc740 Group\uc758 \uc5ec\ub7ec Consumer\uac00 \ub3d9\uc77c\ud55c \uc774\ubca4\ud2b8\ub97c \uac01\uac01 \ucc98\ub9ac\ud558\ub294 \uad6c\uc870\uac00 \uc544\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc18\ub300\ub85c Consumer Group\uc774 \ub2e4\ub974\uba74 \uac19\uc740 Topic\uc758 \uc774\ubca4\ud2b8\ub97c \uac01\uac01 \ub3c5\ub9bd\uc801\uc73c\ub85c \uc18c\ube44\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Topic -&gt; Consumer Group A\nTopic -&gt; Consumer Group B\nTopic -&gt; Consumer Group C\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 \uc8fc\ubb38 \uc774\ubca4\ud2b8\ub77c\uba74 \ub2e4\uc74c\uacfc \uac19\uc774 \uad6c\uc131\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>order-events -&gt; payment-group\norder-events -&gt; statistics-group\norder-events -&gt; notification-group\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uac01 Group\uc740 \uac19\uc740 \uc8fc\ubb38 \uc774\ubca4\ud2b8\ub97c \uc790\uc2e0\uc758 \ubaa9\uc801\uc5d0 \ub9de\uac8c \ucc98\ub9ac\ud55c\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Kafka\uc758 \ub370\uc774\ud130 \ucc98\ub9ac \ubc29\uc2dd<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kafka\ub97c \uc774\ud574\ud560 \ub54c \uc77c\ubc18\uc801\uc778 \uba54\uc2dc\uc9c0 \ud050\uc640 \ube44\uad50\ud558\uba74 \ucc28\uc774\uac00 \uba85\ud655\ud574\uc9c4\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc77c\ubc18\uc801\uc778 \uba54\uc2dc\uc9c0 \ud050\uc5d0\uc11c\ub294 Consumer\uac00 \uba54\uc2dc\uc9c0\ub97c \ucc98\ub9ac\ud558\uba74 \ud050\uc5d0\uc11c \uc81c\uac70\ud558\ub294 \uad6c\uc870\ub97c \ub9ce\uc774 \uc0ac\uc6a9\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kafka\ub294 \uc774\ubca4\ud2b8\ub97c Log \ud615\ud0dc\ub85c \uc800\uc7a5\ud558\uace0 Consumer\uac00 Offset\uc744 \uc774\ub3d9\uc2dc\ud0a4\uba74\uc11c \uc77d\ub294\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Kafka Log -&gt; Event 0 -&gt; Event 1 -&gt; Event 2 -&gt; Event 3 -&gt; Event 4\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Consumer\uac00 Event 3\uae4c\uc9c0 \ucc98\ub9ac\ud588\ub2e4\uace0 \ud574\ub3c4 \uc774\uc804 \uc774\ubca4\ud2b8\uac00 \uc989\uc2dc \uc0ad\uc81c\ub418\ub294 \uac83\uc740 \uc544\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"234\" src=\"https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-115-1024x234.png\" alt=\"\" class=\"wp-image-2016\" style=\"aspect-ratio:4.376424617388473;width:694px;height:auto\" srcset=\"https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-115-1024x234.png 1024w, https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-115-300x69.png 300w, https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-115-768x176.png 768w, https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-115.png 1123w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Retention \uc815\ucc45\uc5d0 \ub530\ub77c \ub370\uc774\ud130\uac00 Kafka\uc5d0 \ub0a8\uc544 \uc788\uc744 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub530\ub77c\uc11c Consumer\uac00 \ud544\uc694\ud55c \uacbd\uc6b0 \uacfc\uac70 \uc774\ubca4\ud2b8\ub97c \ub2e4\uc2dc \uc77d\uc744 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Consumer -&gt; \uacfc\uac70 Offset \uc9c0\uc815 -&gt; Kafka -&gt; \uc774\ubca4\ud2b8 \uc7ac\ucc98\ub9ac\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\uac83\uc774 Kafka\uc758 \ud575\uc2ec\uc801\uc778 \ud2b9\uc9d5\uc774\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Kafka Cluster<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kafka\ub294 \uc5ec\ub7ec Broker\ub85c \uad6c\uc131\ub41c Cluster \ud615\ud0dc\ub85c \uc6b4\uc601\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Kafka Cluster -&gt; Broker 1\nKafka Cluster -&gt; Broker 2\nKafka Cluster -&gt; Broker 3\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Partition\uc740 \uc5ec\ub7ec Broker\uc5d0 \ubd84\uc0b0\ub420 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Partition 0 -&gt; Broker 1\nPartition 1 -&gt; Broker 2\nPartition 2 -&gt; Broker 3\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Partition\uc5d0\ub294 Replica\ub97c \uad6c\uc131\ud560 \uc218\ub3c4 \uc788\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Partition 0 -&gt; Leader Broker -&gt; Replica Broker -&gt; Replica Broker\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Leader\uac00 \uc7a5\uc560\ub97c \uc77c\uc73c\ud0a4\uba74 Replica\ub97c \ud65c\uc6a9\ud574 \uc7a5\uc560\uc5d0 \ub300\uc751\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\ub7f0 \uad6c\uc870\ub97c \ud1b5\ud574 Kafka\ub294 \ub370\uc774\ud130\ub97c \uc5ec\ub7ec \uc11c\ubc84\uc5d0 \ubd84\uc0b0\ud558\uace0 \uc7a5\uc560 \uc0c1\ud669\uc5d0\ub3c4 \uc11c\ube44\uc2a4\ub97c \uc720\uc9c0\ud560 \uc218 \uc788\ub3c4\ub85d \uad6c\uc131\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Producer\uc640 Partition<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Producer\uac00 \uc774\ubca4\ud2b8\ub97c Kafka\uc5d0 \uae30\ub85d\ud560 \ub54c \uc5b4\ub290 Partition\uc5d0 \uc800\uc7a5\ud560 \uac83\uc778\uc9c0\ub3c4 \uc911\uc694\ud558\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub300\ud45c\uc801\uc73c\ub85c Key\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Producer -&gt; Key(userId) -&gt; Kafka Partition\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uac19\uc740 Key\ub97c \uac00\uc9c4 \uc774\ubca4\ud2b8\ub294 \uac19\uc740 Partition\uc73c\ub85c \ubcf4\ub0b4\ub3c4\ub85d \uad6c\uc131\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc608\ub97c \ub4e4\uc5b4 \ub2e4\uc74c \uc774\ubca4\ud2b8\uac00 \uc788\ub2e4\uace0 \ud558\uc790.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>playerId=100 -&gt; PlayerCreated\nplayerId=100 -&gt; PlayerLevelUp\nplayerId=100 -&gt; PlayerItemAdded\nplayerId=100 -&gt; PlayerDeleted\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uac19\uc740 Player\uc758 \uc774\ubca4\ud2b8\ub97c \ub3d9\uc77c\ud55c Partition\uc73c\ub85c \ubcf4\ub0b4\uba74 \ud574\ub2f9 Partition \uc548\uc5d0\uc11c \uc774\ubca4\ud2b8 \uc21c\uc11c\ub97c \uc720\uc9c0\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>playerId=100 -&gt; Partition 1 -&gt; PlayerCreated -&gt; PlayerLevelUp -&gt; PlayerItemAdded -&gt; PlayerDeleted\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Kafka\uc5d0\uc11c <strong>\uc21c\uc11c \ubcf4\uc7a5\uc740 Partition \ub2e8\uc704<\/strong>\ub85c \uc774\ud574\ud558\ub294 \uac83\uc774 \uc911\uc694\ud558\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Topic \uc804\uccb4\uc5d0\uc11c \ubaa8\ub4e0 \uc774\ubca4\ud2b8\uc758 \uc804\uc5ed \uc21c\uc11c\ub97c \ubcf4\uc7a5\ud558\ub294 \uad6c\uc870\ub294 \uc544\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Partition\uacfc \ubcd1\ub82c \ucc98\ub9ac<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Partition \uc218\ub97c \ub298\ub9ac\uba74 Consumer\uac00 \ub370\uc774\ud130\ub97c \ubcd1\ub82c\ub85c \ucc98\ub9ac\ud560 \uc218 \uc788\ub294 \uae30\ubc18\uc774 \ucee4\uc9c4\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"532\" height=\"295\" src=\"https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-116.png\" alt=\"\" class=\"wp-image-2017\" style=\"aspect-ratio:1.8035279160928064;width:383px;height:auto\" srcset=\"https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-116.png 532w, https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-116-300x166.png 300w\" sizes=\"auto, (max-width: 532px) 100vw, 532px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\ud558\uc9c0\ub9cc Partition\uc744 \ubb34\uc791\uc815 \ub298\ub9ac\ub294 \uac83\uc774 \uc88b\uc740 \uac83\uc740 \uc544\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac8c\uc784 \uc11c\ubc84\ub97c \uc608\ub85c \ub4e4\uba74 \ud50c\ub808\uc774\uc5b4\ubcc4 \uc774\ubca4\ud2b8 \uc21c\uc11c\uac00 \uc911\uc694\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>playerId -&gt; Partition -&gt; Consumer\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc18\ub300\ub85c \uc774\ubca4\ud2b8 \uc21c\uc11c\ubcf4\ub2e4 \ucc98\ub9ac\ub7c9\uc774 \uc911\uc694\ud558\ub2e4\uba74 \ub354 \ub9ce\uc740 Partition\uc744 \ud65c\uc6a9\ud574 \ubcd1\ub82c\uc131\uc744 \ub192\uc774\ub294 \ubc29\ud5a5\uc744 \uc120\ud0dd\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uacb0\uad6d Partition \uc124\uacc4\uc5d0\uc11c\ub294 <strong>\uc21c\uc11c \ubcf4\uc7a5\uacfc \ubcd1\ub82c \ucc98\ub9ac \uc0ac\uc774\uc758 \uade0\ud615<\/strong>\uc744 \uace0\ub824\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Kafka\uc758 \uc8fc\uc694 \ud65c\uc6a9<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kafka\ub294 \uc11c\ube44\uc2a4 \uc0ac\uc774\uc5d0\uc11c \uc774\ubca4\ud2b8\ub97c \uc804\ub2ec\ud558\ub294 \uc6a9\ub3c4\ub85c \ub9ce\uc774 \uc0ac\uc6a9\ud55c\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc774\ubca4\ud2b8 \uae30\ubc18 \uc544\ud0a4\ud14d\ucc98<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"614\" height=\"284\" src=\"https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-117.png\" alt=\"\" class=\"wp-image-2018\" style=\"aspect-ratio:2.162035763411279;width:451px;height:auto\" srcset=\"https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-117.png 614w, https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-117-300x139.png 300w\" sizes=\"auto, (max-width: 614px) 100vw, 614px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uc11c\ube44\uc2a4 \uac04 \uc9c1\uc811 \ud638\ucd9c\uc744 \uc904\uc774\uace0 \uc774\ubca4\ud2b8 \uc911\uc2ec\uc73c\ub85c \uc5f0\uacb0\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\ub370\uc774\ud130 \ud30c\uc774\ud504\ub77c\uc778<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"576\" height=\"405\" src=\"https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-118.png\" alt=\"\" class=\"wp-image-2019\" style=\"aspect-ratio:1.422293386835404;width:443px;height:auto\" srcset=\"https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-118.png 576w, https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-118-300x211.png 300w\" sizes=\"auto, (max-width: 576px) 100vw, 576px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Kafka\uac00 \ucd5c\uc885\uc801\uc73c\ub85c \ub370\uc774\ud130\ub97c \ubd84\uc11d\ud558\ub294 \uc2dc\uc2a4\ud15c\uc774\ub77c\uae30\ubcf4\ub2e4 \uc5ec\ub7ec \uc2dc\uc2a4\ud15c\uc73c\ub85c \ub370\uc774\ud130\ub97c \uc804\ub2ec\ud558\ub294 \uc911\uc2ec \uc2a4\ud2b8\ub9bc \uc5ed\ud560\uc744 \ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\ub2e4.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\uc2e4\uc2dc\uac04 \uc774\ubca4\ud2b8 \ucc98\ub9ac<\/h3>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"542\" height=\"298\" src=\"https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-119.png\" alt=\"\" class=\"wp-image-2020\" style=\"aspect-ratio:1.8188348801845735;width:463px;height:auto\" srcset=\"https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-119.png 542w, https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-119-300x165.png 300w\" sizes=\"auto, (max-width: 542px) 100vw, 542px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\uac8c\uc784 \uc774\ubca4\ud2b8, \uc0ac\uc6a9\uc790 \ud589\ub3d9, \uac70\ub798 \uc774\ubca4\ud2b8\ucc98\ub7fc \uc9c0\uc18d\uc801\uc73c\ub85c \ubc1c\uc0dd\ud558\ub294 \ub370\uc774\ud130\ub97c \ub2e4\ub978 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \ucc98\ub9ac\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Kafka\uc640 RabbitMQ<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kafka\uc640 RabbitMQ\ub97c \ub2e8\uc21c\ud788 &#8220;\ub458 \ub2e4 \uba54\uc2dc\uc9c0 \ud050&#8221;\ub77c\uace0 \uc0dd\uac01\ud558\uba74 \uc911\uc694\ud55c \ucc28\uc774\ub97c \ub193\uce58\uac8c \ub41c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">RabbitMQ\ub294 \uc804\ud1b5\uc801\uc778 \uba54\uc2dc\uc9c0 \ube0c\ub85c\ucee4 \uad6c\uc870\uc5d0 \uac00\uae5d\uace0 \uba54\uc2dc\uc9c0\ub97c \uc804\ub2ec\ud558\uace0 \ucc98\ub9ac\ud558\ub294 \ud750\ub984\uc5d0 \ucd08\uc810\uc774 \ub9de\ucdb0\uc838 \uc788\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Producer -&gt; Exchange -&gt; Queue -&gt; Consumer\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Kafka\ub294 \uc774\ubca4\ud2b8\ub97c \ub85c\uadf8 \ud615\ud0dc\ub85c \uc800\uc7a5\ud558\uace0 Consumer\uac00 Offset\uc744 \uae30\uc900\uc73c\ub85c \uc77d\ub294\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Producer -&gt; Topic -&gt; Partition -&gt; Consumer Group -&gt; Consumer\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\ub530\ub77c\uc11c \ub450 \uae30\uc220\uc740 \ubaa9\uc801\uc5d0 \ub530\ub77c \uc120\ud0dd\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub2e8\uc21c\ud55c \uc791\uc5c5 \ud050\uac00 \ud544\uc694\ud55c\uc9c0, \ub300\uaddc\ubaa8 \uc774\ubca4\ud2b8 \uc2a4\ud2b8\ub9bc\uc744 \uc5ec\ub7ec \uc2dc\uc2a4\ud15c\uc5d0\uc11c \ub3c5\ub9bd\uc801\uc73c\ub85c \uc18c\ube44\ud574\uc57c \ud558\ub294\uc9c0\ub97c \uba3c\uc800 \ud310\ub2e8\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5b4\ub290 \ud558\ub098\uac00 \ubb34\uc870\uac74 \uc0c1\uc704 \uae30\uc220\uc778 \uac83\uc740 \uc544\ub2c8\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Kafka\uc5d0\uc11c \uace0\ub824\ud574\uc57c \ud560 \uac83<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kafka\ub97c \ub3c4\uc785\ud55c\ub2e4\uace0 \uc2dc\uc2a4\ud15c\uc774 \uc790\ub3d9\uc73c\ub85c \uc88b\uc544\uc9c0\ub294 \uac83\uc740 \uc544\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc624\ud788\ub824 \uc6b4\uc601\ud574\uc57c \ud560 \uc694\uc18c\uac00 \ub298\uc5b4\ub09c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac00\uc7a5 \uba3c\uc800 \uace0\ub824\ud574\uc57c \ud558\ub294 \uac83\uc774 <strong>\uc911\ubcf5 \ucc98\ub9ac<\/strong>\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Consumer\uac00 \uc774\ubca4\ud2b8\ub97c \ucc98\ub9ac\ud55c \ub4a4 Offset\uc744 Commit\ud558\uae30 \uc804\uc5d0 \uc7a5\uc560\uac00 \ubc1c\uc0dd\ud558\uba74 \uac19\uc740 \uc774\ubca4\ud2b8\uac00 \ub2e4\uc2dc \ucc98\ub9ac\ub420 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uae30\ubcf8\uc801\uc778 \ud750\ub984\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Kafka Event -&gt; Consumer -&gt; Business Logic -&gt; \ucc98\ub9ac \uc131\uacf5 -&gt; Offset Commit\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\ud558\uc9c0\ub9cc \ucc98\ub9ac \uc774\ud6c4 Offset Commit \uc804\uc5d0 \uc7a5\uc560\uac00 \ubc1c\uc0dd\ud558\uba74 \ub2e4\uc74c\uacfc \uac19\uc740 \uc0c1\ud669\uc774 \uc0dd\uae38 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Kafka Event -&gt; Consumer -&gt; Business Logic -&gt; \ucc98\ub9ac \uc131\uacf5 -&gt; \uc7a5\uc560 -&gt; Offset \ubbf8\ubc18\uc601\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Consumer\uac00 \ub2e4\uc2dc \uc2e4\ud589\ub418\uba74 \ub3d9\uc77c\ud55c \uc774\ubca4\ud2b8\ub97c \ub2e4\uc2dc \ubc1b\uc744 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub530\ub77c\uc11c Kafka Consumer\uc758 \ube44\uc988\ub2c8\uc2a4 \ub85c\uc9c1\uc740 <strong>\uc911\ubcf5 \ucc98\ub9ac\uc5d0 \uc548\uc804\ud55c \uad6c\uc870<\/strong>\ub85c \uc124\uacc4\ud558\ub294 \uac83\uc774 \uc911\uc694\ud558\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc774\uc640 \ud568\uaed8 \ub2e4\uc74c \uc694\uc18c\ub3c4 \uace0\ub824\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Kafka -&gt; Partition \uc218\nKafka -&gt; Consumer \uc218\nKafka -&gt; Replication\nKafka -&gt; Retention\nKafka -&gt; Consumer Lag\n<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Kafka \uc804\uccb4 \uad6c\uc870<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kafka\uc758 \uc804\uccb4 \ud750\ub984\uc744 \ud558\ub098\ub85c \ubb36\uc73c\uba74 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Producer -&gt; Kafka Cluster -&gt; Topic -&gt; Partition -&gt; Consumer Group -&gt; Consumer\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc138\ubd80\uc801\uc73c\ub85c \ubcf4\uba74 \ub2e4\uc74c\uacfc \uac19\uc774 \uc5f0\uacb0\ub41c\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Producer -&gt; Topic -&gt; Partition -&gt; Offset -&gt; Consumer Group -&gt; Consumer\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc5ec\uae30\uc5d0 \ubd84\uc0b0 \ud658\uacbd\uc5d0\uc11c\ub294 \ub2e4\uc74c \uad6c\uc870\uac00 \ucd94\uac00\ub41c\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Kafka Cluster -&gt; Broker -&gt; Partition -&gt; Replica\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uc804\uccb4 \uad6c\uc870\ub97c \uc2e4\uc81c \uc774\ubca4\ud2b8 \ucc98\ub9ac \uad00\uc810\uc5d0\uc11c \ubcf4\uba74 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Application -&gt; Producer -&gt; Kafka Cluster -&gt; Topic -&gt; Partition -&gt; Consumer Group -&gt; Consumer -&gt; Business Logic\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Consumer Group\uc774 \uc5ec\ub7ec \uac1c\ub77c\uba74 \uac19\uc740 \uc774\ubca4\ud2b8 \uc2a4\ud2b8\ub9bc\uc744 \uc11c\ub85c \ub2e4\ub978 \ubaa9\uc801\uc758 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \ub3c5\ub9bd\uc801\uc73c\ub85c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"662\" height=\"408\" src=\"https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-121.png\" alt=\"\" class=\"wp-image-2022\" style=\"aspect-ratio:1.6225728620121789;width:567px;height:auto\" srcset=\"https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-121.png 662w, https:\/\/wayhope.kro.kr\/wp-content\/uploads\/2026\/08\/image-121-300x185.png 300w\" sizes=\"auto, (max-width: 662px) 100vw, 662px\" \/><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Kafka\ub97c \uacf5\ubd80\ud558\uba74\uc11c \uac19\uc774 \uc54c\uc544\uc57c \ud560 \uac83<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kafka\ub294 \ub2e8\uc21c\ud55c \ub77c\uc774\ube0c\ub7ec\ub9ac\uac00 \uc544\ub2c8\ub77c \ubd84\uc0b0 \uc2dc\uc2a4\ud15c\uc774\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub530\ub77c\uc11c Kafka\ub97c \uc81c\ub300\ub85c \uc774\ud574\ud558\ub824\uba74 \ub2e4\uc74c \uac1c\ub150\uc744 \uac19\uc774 \uc54c\uc544\ub450\ub294 \uac83\uc774 \uc88b\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Network -&gt; TCP -&gt; Distributed System -&gt; Message Delivery -&gt; Replication -&gt; Partition -&gt; Consumer Group -&gt; Event Processing\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\ud2b9\ud788 \ub2e4\uc74c \uac1c\ub150\uc774 \uc911\uc694\ud558\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Partition -&gt; \ubd84\uc0b0 \ucc98\ub9ac \ub2e8\uc704\nOffset -&gt; \uc18c\ube44 \uc704\uce58\nConsumer Group -&gt; \ubcd1\ub82c \uc18c\ube44 \ub2e8\uc704\nReplication -&gt; \uc7a5\uc560 \ub300\uc751\nRetention -&gt; \ub370\uc774\ud130 \ubcf4\uc874 \uc815\ucc45\nConsumer Lag -&gt; Consumer \ucc98\ub9ac \uc9c0\uc5f0\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Kafka\uc758 \ub3d9\uc791\ub9cc \uc678\uc6b0\uae30\ubcf4\ub2e4 \uc65c Partition\uacfc Consumer Group\uc774 \ud544\uc694\ud55c\uc9c0, \uc65c Offset\uc744 \ub530\ub85c \uad00\ub9ac\ud558\ub294\uc9c0 \uc774\ud574\ud558\ub294 \uac83\uc774 \uc911\uc694\ud558\ub2e4.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\uc815\ub9ac<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Kafka\ub97c \uc774\ud574\ud558\uae30 \uc704\ud574\uc11c\ub294 \uac1c\ubcc4 \uac1c\ub150\uc744 \ub530\ub85c \uc678\uc6b0\uae30\ubcf4\ub2e4 \ud558\ub098\uc758 \ud750\ub984\uc73c\ub85c \uc5f0\uacb0\ud574\uc11c \ubcf4\ub294 \uac83\uc774 \uc88b\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Producer -&gt; Topic -&gt; Partition -&gt; Offset -&gt; Consumer Group -&gt; Consumer\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Producer\ub294 \uc774\ubca4\ud2b8\ub97c Kafka\uc5d0 \uae30\ub85d\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Topic\uc740 \uc774\ubca4\ud2b8\ub97c \ub17c\ub9ac\uc801\uc73c\ub85c \uad6c\ubd84\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Partition\uc740 \ub370\uc774\ud130\ub97c \ubd84\uc0b0\ud558\uace0 \ubcd1\ub82c \ucc98\ub9ac\ub97c \uac00\ub2a5\ud558\uac8c \ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Offset\uc740 Consumer\uc758 \uc77d\uae30 \uc704\uce58\ub97c \ub098\ud0c0\ub0b8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Consumer Group\uc740 \uc5ec\ub7ec Consumer\uac00 Partition\uc744 \ub098\ub204\uc5b4 \ucc98\ub9ac\ud558\ub3c4\ub85d \ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Consumer\ub294 \uc774\ubca4\ud2b8\ub97c \uc77d\uace0 \uc2e4\uc81c \ube44\uc988\ub2c8\uc2a4 \ub85c\uc9c1\uc744 \uc218\ud589\ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kafka Cluster\uc640 Replica\ub294 \uc774\ub7f0 \uad6c\uc870\ub97c \uc5ec\ub7ec Broker\uc5d0 \ubd84\uc0b0\ud558\uace0 \uc7a5\uc560\uc5d0 \ub300\uc751\ud560 \uc218 \uc788\ub3c4\ub85d \ud55c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ud575\uc2ec \uad6c\uc870\ub97c \ud558\ub098\ub85c \uc555\ucd95\ud558\uba74 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Producer -&gt; Kafka Cluster -&gt; Topic -&gt; Partition -&gt; Consumer Group -&gt; Consumer -&gt; Business Logic\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Kafka\ub97c \ub2e8\uc21c\ud788 &#8220;\uba54\uc2dc\uc9c0\ub97c \uc804\ub2ec\ud558\ub294 \uc11c\ubc84&#8221;\ub77c\uace0 \uc0dd\uac01\ud558\uba74 Partition, Offset, Consumer Group\uc774 \ubcf5\uc7a1\ud558\uac8c \ub290\uaef4\uc9c4\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ubc18\ub300\ub85c <strong>\uc774\ubca4\ud2b8\ub97c \ubd84\uc0b0\ub41c \ub85c\uadf8\uc5d0 \uae30\ub85d\ud558\uace0 \uc5ec\ub7ec Consumer\uac00 \uac01\uc790\uc758 Offset\uc744 \uae30\uc900\uc73c\ub85c \ub3c5\ub9bd\uc801\uc73c\ub85c \uc77d\ub294 \uc2dc\uc2a4\ud15c<\/strong>\uc73c\ub85c \ubcf4\uba74 \ub300\ubd80\ubd84\uc758 \uad6c\uc870\uac00 \uc790\uc5f0\uc2a4\ub7fd\uac8c \uc5f0\uacb0\ub41c\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Kafka\uc758 \ud575\uc2ec\uc740 \uba54\uc2dc\uc9c0\ub97c \uc804\ub2ec\ud558\ub294 \uac83 \uc790\uccb4\uac00 \uc544\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\uc774\ubca4\ud2b8\ub97c \uc9c0\uc18d\uc801\uc73c\ub85c \uae30\ub85d\ud558\uace0, \ud544\uc694\ud55c \uc5ec\ub7ec \uc2dc\uc2a4\ud15c\uc774 \ub3c5\ub9bd\uc801\uc73c\ub85c \uc18c\ube44\ud560 \uc218 \uc788\ub3c4\ub85d \ub9cc\ub4dc\ub294 \uac83<\/strong>\uc5d0 \uc788\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Kafka\ub97c \ucc98\uc74c \ubcf4\uba74 \uba54\uc2dc\uc9c0 \ud050(Message Queue)\ucc98\ub7fc \ubcf4\uc778\ub2e4. \uc2e4\uc81c\ub85c \uba54\uc2dc\uc9c0\ub97c Producer\uac00 \ub123\uace0 Consumer\uac00 \uac00\uc838\uac00\ub294 \uad6c\uc870\ub97c \uc0ac\uc6a9\ud558\uae30 \ub54c\ubb38\uc5d0 RabbitMQ \uac19\uc740 \uba54\uc2dc\uc9c0 \ube0c\ub85c\ucee4\uc640 \ube44\uc2b7\ud55c \uc5ed\ud560\uc744 \ud55c\ub2e4. \ub2e4\ub9cc Kafka\ub97c \ub2e8\uc21c\ud788 \uba54\uc2dc\uc9c0\ub97c \uc804\ub2ec\ud558\uace0 \uc0ad\uc81c\ud558\ub294 \ud050\ub85c \uc774\ud574\ud558\uba74 \uad6c\uc870\uac00 \uc798 \uc7a1\ud788\uc9c0 \uc54a\ub294\ub2e4. Kafka\ub294 \ub300\uaddc\ubaa8 \uc774\ubca4\ud2b8\uc640 \ub370\uc774\ud130\ub97c \uc9c0\uc18d\uc801\uc73c\ub85c \uae30\ub85d\ud558\uace0, \uc5ec\ub7ec Consumer\uac00 \ub3c5\ub9bd\uc801\uc73c\ub85c \uc77d\uc744 \uc218 \uc788\ub3c4\ub85d \ub9cc\ub4e0 \ubd84\uc0b0 \uc774\ubca4\ud2b8 \uc2a4\ud2b8\ub9ac\ubc0d \ud50c\ub7ab\ud3fc\uc774\ub2e4. \ud575\uc2ec\uc740 \uba54\uc2dc\uc9c0\ub97c \uc911\uc559\uc5d0\uc11c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49],"tags":[],"class_list":["post-1671","post","type-post","status-publish","format-standard","hentry","category-server"],"_links":{"self":[{"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/posts\/1671","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1671"}],"version-history":[{"count":4,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/posts\/1671\/revisions"}],"predecessor-version":[{"id":2023,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/posts\/1671\/revisions\/2023"}],"wp:attachment":[{"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1671"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1671"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1671"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}