{"id":108982,"date":"2026-09-23T04:40:47","date_gmt":"2026-09-22T20:40:47","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/108982.html"},"modified":"2026-09-23T04:40:47","modified_gmt":"2026-09-22T20:40:47","slug":"redis-%e5%86%85%e5%ad%98%e7%a2%8e%e7%89%87%e7%8e%87%e4%bc%98%e5%8c%96%ef%bc%9a%e4%bb%8e%e5%86%85%e5%ad%98%e5%88%86%e9%85%8d%e5%99%a8%e5%88%b0%e8%87%aa%e5%8a%a8%e6%95%b4%e7%90%86","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/108982.html","title":{"rendered":"Redis \u5185\u5b58\u788e\u7247\u7387\u4f18\u5316\uff1a\u4ece\u5185\u5b58\u5206\u914d\u5668\u5230\u81ea\u52a8\u6574\u7406"},"content":{"rendered":"<h2>Redis \u5185\u5b58\u788e\u7247\u7387\u4f18\u5316&#xff1a;\u4ece\u5185\u5b58\u5206\u914d\u5668\u5230\u81ea\u52a8\u6574\u7406<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/09\/20260922204045-6ab2e7cde0a19.webp\" alt=\"\u5c01\u9762\u4fe1\u606f\u56fe\" \/><\/p>\n<p>\u5728\u957f\u671f\u9ad8\u9891\u5199\u5165\u3001\u66f4\u65b0\u4e0e\u5220\u9664\u952e\u503c\u5bf9\u7684 Redis \u5b9e\u4f8b&#xff08;\u5c24\u5176\u662f\u5b58\u50a8\u5927\u6a21\u578b\u8bed\u4e49\u7f13\u5b58\u3001\u9ad8\u7ef4\u5411\u91cf\u5207\u7247\u4e0e\u591a\u8f6e\u4f1a\u8bdd\u72b6\u6001&#xff09;\u4e2d&#xff0c;\u8fd0\u7ef4\u4eba\u5458\u7ecf\u5e38\u906d\u9047\u4e00\u4e2a\u4ee4\u4eba\u5fc3\u60ca\u8089\u8df3\u7684**\u201c\u865a\u80d6\u5e7d\u7075\u201d**&#xff1a;<\/p>\n<ul>\n<li>\u6267\u884c INFO memory \u547d\u4ee4\u67e5\u770b&#xff1a;\n<ul>\n<li>used_memory: 4.2 GB&#xff08;Redis \u5b9e\u9645\u5b58\u50a8\u6570\u636e\u6240\u5360\u7528\u7684\u6709\u6548\u5185\u5b58&#xff09;&#xff1b;<\/li>\n<li>used_memory_rss: 12.8 GB&#xff08;Linux \u64cd\u4f5c\u7cfb\u7edf\u7269\u7406\u5206\u914d\u7ed9 Redis \u8fdb\u7a0b\u7684\u5e38\u9a7b\u5185\u5b58 Resident Set Size&#xff09;&#xff1b;<\/li>\n<li>mem_fragmentation_ratio: \u9ad8\u8fbe 3.05&#xff08;\u5185\u5b58\u788e\u7247\u7387\u7a81\u7834 300%&#xff01;&#xff09;&#xff1b;<\/li>\n<\/ul>\n<\/li>\n<li>\u6b64\u65f6&#xff0c;\u660e\u660e\u53ea\u5b58\u4e86 4GB \u7684\u6570\u636e&#xff0c;\u5374\u767d\u767d\u5360\u7528\u4e86\u670d\u52a1\u5668\u8fd1 13GB \u7684\u7269\u7406\u5185\u5b58&#xff0c;\u968f\u65f6\u53ef\u80fd\u89e6\u53d1\u64cd\u4f5c\u7cfb\u7edf\u7684 OOM Killer \u5c06 Redis \u8fdb\u7a0b\u66b4\u529b\u5e72\u6389&#xff01;<\/li>\n<\/ul>\n<p>\u4e3a\u4ec0\u4e48\u660e\u660e\u5220\u9664\u4e86\u65e7\u6570\u636e&#xff0c;\u64cd\u4f5c\u7cfb\u7edf\u5360\u7528\u7684\u7269\u7406\u5185\u5b58\u5374\u8fdf\u8fdf\u4e0d\u964d&#xff1f;\u5e95\u5c42\u7684 jemalloc \u5185\u5b58\u5206\u914d\u5668 \u53d1\u751f\u4e86\u4ec0\u4e48&#xff1f;\u5982\u4f55\u901a\u8fc7\u914d\u7f6e Redis \u539f\u751f\u7684**\u201c\u5728\u7ebf\u5185\u5b58\u788e\u7247\u81ea\u52a8\u6574\u7406&#xff08;Active Defragmentation&#xff09;\u201d**&#xff0c;\u5728\u4e0d\u91cd\u542f\u3001\u4e0d\u5361\u987f\u5355\u7ebf\u7a0b\u7684\u524d\u63d0\u4e0b&#xff0c;\u5c06\u5185\u5b58\u788e\u7247\u7387\u5e73\u7a33\u538b\u56de 1.15 \u7684\u5065\u5eb7\u57fa\u7ebf&#xff1f;<\/p>\n<h4>\u5185\u5b58\u788e\u7247\u4ea7\u751f\u7684\u5e95\u5c42\u7269\u7406\u673a\u7406&#xff08;jemalloc \u5185\u5b58\u5757\u6c60&#xff09;<\/h4>\n<p>Redis \u9ed8\u8ba4\u4f7f\u7528\u4e1a\u754c\u8457\u540d\u7684 jemalloc \u4f5c\u4e3a\u5e95\u5c42\u5185\u5b58\u5206\u914d\u5668\u3002jemalloc \u4e3a\u4e86\u52a0\u901f\u5206\u914d&#xff0c;\u5c06\u5185\u5b58\u5212\u5206\u4e3a\u56fa\u5b9a\u5927\u5c0f\u7684\u89c4\u683c\u69fd&#xff08;\u5982 8B, 16B, 32B, &#8230;, 2KB, 4KB&#xff09;&#xff1a;<\/p>\n<p>[ \u7269\u7406\u5185\u5b58\u9875 Page (4KB) ]<br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&#043;<br \/>\n| [ \u69fd\u4f4d 1: 512B \u6570\u636e ]  [ \u69fd\u4f4d 2: 512B (\u5df2\u5220\u9664\u7a7a\u6d1e!) ]  [ \u69fd\u4f4d 3: 512B \u6570\u636e ]  [ \u69fd\u4f4d 4: \u7a7a\u6d1e ] |<br \/>\n&#043;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8212;&#8211;&#043;<br \/>\n                               |<br \/>\n                               v<br \/>\n1. \u4e1a\u52a1\u5220\u9664\u4e86\u69fd\u4f4d 2 \u548c 4 \u7684 Key&#xff0c;\u4f46\u7531\u4e8e\u69fd\u4f4d 1 \u548c 3 \u4f9d\u7136\u5728\u4f7f\u7528&#xff0c;jemalloc \u65e0\u6cd5\u5c06\u6574\u4e2a 4KB \u9875\u9762\u5f52\u8fd8\u7ed9 Linux!<br \/>\n2. Linux \u89c6\u89d2: &#034;\u8fd9\u6574\u6574 4KB \u9875\u9762\u4f9d\u7136\u5c5e\u4e8e Redis \u8fdb\u7a0b (RSS \u5c45\u9ad8\u4e0d\u4e0b)!&#034;<br \/>\n3. Redis \u89c6\u89d2: &#034;\u6211\u5b9e\u9645\u53ea\u7528\u4e86 1KB \u6570\u636e (used_memory \u5f88\u5c0f)!&#034;<br \/>\n&#061;&#061;&#061;&gt; \u7ed3\u679c: \u5f62\u6210\u5927\u91cf\u65e0\u6cd5\u88ab\u8fde\u7eed\u5229\u7528\u7684\u5fae\u5c0f\u5185\u5b58\u7a7a\u6d1e&#xff0c;\u5bfc\u81f4\u788e\u7247\u7387 (RSS \/ Used) \u75af\u72c2\u98d9\u5347!<\/p>\n<h4>\u5185\u5b58\u788e\u7247\u7387&#xff08;mem_fragmentation_ratio&#xff09;\u7684\u6807\u51c6\u8bca\u65ad\u57fa\u7ebf<\/h4>\n<table>\n<tr>\u788e\u7247\u7387\u533a\u95f4\u7cfb\u7edf\u8fd0\u884c\u5065\u5eb7\u72b6\u6001\u5e95\u5c42\u7269\u7406\u73b0\u72b6\u4e0e\u6cbb\u7406\u5efa\u8bae<\/tr>\n<tbody>\n<tr>\n<td align=\"left\">$1.00 \\\\sim 1.15$<\/td>\n<td align=\"left\">&#x1f7e2; \u7edd\u5bf9\u5065\u5eb7\u9ec4\u91d1\u533a\u95f4<\/td>\n<td align=\"left\">\u5185\u5b58\u5229\u7528\u6781\u5176\u7d27\u51d1&#xff0c;jemalloc \u6b63\u5e38\u5206\u914d<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">$1.15 \\\\sim 1.50$<\/td>\n<td align=\"left\">&#x1f7e1; \u8f7b\u5ea6\u788e\u7247\u9884\u8b66<\/td>\n<td align=\"left\">\u5c5e\u4e8e\u9ad8\u9891\u5199\u5165\u573a\u666f\u4e0b\u7684\u6b63\u5e38\u6ce2\u52a8&#xff0c;\u6301\u7eed\u89c2\u5bdf<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">$&gt; 1.50$ (\u5982 $&gt; 2.0$)<\/td>\n<td align=\"left\">&#x1f534; \u4e25\u91cd\u788e\u7247\u865a\u80d6\u5371\u673a<\/td>\n<td align=\"left\">\u7269\u7406\u5185\u5b58\u6d6a\u8d39\u8d85\u8fc7 50%&#xff01;\u5fc5\u987b\u5f00\u542f\u81ea\u52a8\u788e\u7247\u6574\u7406&#xff01;<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">$&lt; 1.00$ (\u5982 $0.85$)<\/td>\n<td align=\"left\">&#x1f6a8; \u81f4\u547d\u707e\u96be&#xff08;\u89e6\u53d1 Swap \u4ea4\u6362\u533a&#xff09;<\/td>\n<td align=\"left\">\u7269\u7406\u5185\u5b58\u5df2\u8017\u5c3d&#xff0c;\u7cfb\u7edf\u6b63\u5728\u4f7f\u7528\u6162\u5982\u8717\u725b\u7684\u78c1\u76d8 Swap&#xff01;\u7acb\u5373\u6269\u5bb9&#xff01;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>Redis \u5728\u7ebf\u81ea\u52a8\u6574\u7406&#xff08;Active Defrag&#xff09;\u7684\u5de5\u4f5c\u539f\u7406<\/h4>\n<p>\u4ece Redis 4.0 \u5f00\u59cb&#xff0c;\u5b98\u65b9\u5f15\u5165\u4e86\u57fa\u4e8e\u5355\u7ebf\u7a0b\u65f6\u95f4\u7247\u7a83\u53d6&#xff08;Time-slicing&#xff09;\u7684\u5728\u7ebf\u4e3b\u52a8\u5185\u5b58\u788e\u7247\u6574\u7406\u673a\u5236&#xff1a;<\/p>\n<ul>\n<li>\u5728\u4e8b\u4ef6\u5faa\u73af\u5904\u7406\u5b8c\u5ba2\u6237\u7aef\u547d\u4ee4\u7684\u7a7a\u95f2\u95f4\u9699&#xff08;\u6beb\u79d2\u7ea7&#xff09;&#xff1b;<\/li>\n<li>Redis \u81ea\u52a8\u626b\u63cf\u542b\u6709\u788e\u7247\u7684\u5185\u5b58\u9875&#xff0c;\u5c06\u6563\u843d\u7684\u5b58\u6d3b\u6570\u636e\u590d\u5236\u642c\u8fc1\u5230\u8fde\u7eed\u7684\u65b0\u5185\u5b58\u9875\u4e2d&#xff1b;<\/li>\n<li>\u642c\u8fc1\u5b8c\u6bd5\u540e&#xff0c;\u5f7b\u5e95\u5c06\u5b8c\u5168\u817e\u7a7a\u7684\u65e7\u5185\u5b58\u9875\u901a\u8fc7 free() \u5f52\u8fd8\u7ed9\u64cd\u4f5c\u7cfb\u7edf&#xff0c;\u4f7f\u5f97 used_memory_rss \u5feb\u901f\u56de\u843d&#xff01;<\/li>\n<\/ul>\n<h4>\u751f\u4ea7\u7ea7 redis.conf \u81ea\u52a8\u788e\u7247\u6574\u7406\u9ec4\u91d1\u53c2\u6570\u914d\u7f6e<\/h4>\n<p>\u5728\u751f\u4ea7\u73af\u5883\u4e2d&#xff0c;\u5f00\u542f\u81ea\u52a8\u6574\u7406\u5fc5\u987b\u7cbe\u5fc3\u914d\u7f6e\u9608\u503c&#xff0c;\u65e2\u8981\u5feb\u901f\u6536\u7f29\u5185\u5b58&#xff0c;\u53c8\u7edd\u4e0d\u80fd\u9738\u5360\u5355\u7ebf\u7a0b CPU \u5bfc\u81f4\u6b63\u5e38\u8bf7\u6c42\u8d85\u65f6&#xff1a;<\/p>\n<p># &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;<br \/>\n# \u751f\u4ea7\u7ea7 Redis \u5185\u5b58\u788e\u7247\u5728\u7ebf\u81ea\u52a8\u6574\u7406\u6838\u5fc3\u914d\u7f6e<br \/>\n# &#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;&#061;<\/p>\n<p># 1. \u5f00\u542f\u4e3b\u52a8\u788e\u7247\u6574\u7406\u603b\u5f00\u5173<br \/>\nactivedefrag yes<\/p>\n<p># 2. \u89e6\u53d1\u788e\u7247\u6574\u7406\u7684\u6700\u4f4e\u788e\u7247\u5b57\u8282\u95e8\u69db (\u53ea\u6709\u5f53\u6d6a\u8d39\u7684\u788e\u7247\u5185\u5b58\u8d85\u8fc7 100MB \u65f6\u624d\u542f\u52a8&#xff0c;\u907f\u514d\u5c0f\u5185\u5b58\u9891\u7e41\u6298\u817e)<br \/>\nactive-defrag-ignore-bytes 100mb<\/p>\n<p># 3. \u89e6\u53d1\u788e\u7247\u6574\u7406\u7684\u6700\u4f4e\u788e\u7247\u7387\u95e8\u69db (\u53ea\u6709\u5f53\u788e\u7247\u7387 &gt;&#061; 1.50 \u65f6\u624d\u6fc0\u6d3b)<br \/>\nactive-defrag-threshold-lower 10<\/p>\n<p># 4. \u8fbe\u5230\u6700\u5927\u6e05\u7406\u529b\u5ea6\u7684\u788e\u7247\u7387\u95e8\u69db (\u5f53\u788e\u7247\u7387\u8fbe\u5230 3.0 \u65f6&#xff0c;\u5168\u529b\u52a0\u901f\u6e05\u7406)<br \/>\nactive-defrag-threshold-upper 30<\/p>\n<p># 5. \u81ea\u52a8\u6574\u7406\u5141\u8bb8\u6d88\u8017\u7684\u6700\u4f4e CPU \u65f6\u95f4\u7247\u767e\u5206\u6bd4 (\u9ed8\u8ba4 5%&#xff0c;\u7edd\u4e0d\u5f71\u54cd\u6b63\u5e38\u4e1a\u52a1\u8bfb\u5199)<br \/>\nactive-defrag-cycle-min 5<\/p>\n<p># 6. \u81ea\u52a8\u6574\u7406\u5141\u8bb8\u6d88\u8017\u7684\u6700\u5927 CPU \u65f6\u95f4\u7247\u767e\u5206\u6bd4 (\u4e0a\u9650\u8bbe\u4e3a 25%&#xff0c;\u9632\u6b62\u62a2\u5360\u5355\u7ebf\u7a0b\u7b97\u529b)<br \/>\nactive-defrag-cycle-max 25<\/p>\n<p># 7. \u4e3b\u5b57\u5178\u626b\u63cf\u7684\u6700\u5927\u52aa\u529b\u6b65\u957f<br \/>\nactive-defrag-max-scan-fields 1000<\/p>\n<h4>\u751f\u4ea7\u73af\u5883\u6392\u969c\u5b9e\u64cd\u4e0e\u52a8\u6001\u8c03\u4f18<\/h4>\n<p>\u5982\u679c\u7ebf\u4e0a\u6b63\u5728\u53d1\u751f\u5185\u5b58\u544a\u8b66&#xff0c;\u65e0\u9700\u91cd\u542f Redis&#xff0c;\u76f4\u63a5\u901a\u8fc7 CONFIG SET \u52a8\u6001\u70ed\u52a0\u8f7d\u751f\u6548&#xff1a;<\/p>\n<p># 1. \u5728\u7ebf\u70ed\u5f00\u542f\u81ea\u52a8\u6574\u7406<br \/>\nredis-cli -h 127.0.0.1 -p 6379 config set activedefrag yes<br \/>\nredis-cli -h 127.0.0.1 -p 6379 config set active-defrag-cycle-max 20<\/p>\n<p># 2. \u5b9e\u65f6\u89c2\u5bdf\u5185\u5b58\u6536\u7f29\u8fc7\u7a0b (\u6bcf\u9694 2 \u79d2\u6253\u5370\u4e00\u6b21\u5185\u5b58\u6307\u6807)<br \/>\nredis-cli -h 127.0.0.1 -p 6379 &#8211;stat<\/p>\n<h4>\u771f\u5b9e\u751f\u4ea7\u6574\u7406\u6210\u6548\u5b9e\u6d4b\u5bf9\u6bd4<\/h4>\n<table>\n<tr>\u76d1\u63a7\u6307\u6807\u5f00\u542f\u81ea\u52a8\u6574\u7406\u524d (\u788e\u7247\u4e25\u91cd)\u81ea\u52a8\u6574\u7406\u8fd0\u884c 10 \u5206\u949f\u540e\u6cbb\u7406\u6536\u76ca\u4e0e\u6210\u6548<\/tr>\n<tbody>\n<tr>\n<td align=\"left\">used_memory (\u6709\u6548\u6570\u636e)<\/td>\n<td align=\"left\">4.20 GB<\/td>\n<td align=\"left\">4.20 GB<\/td>\n<td align=\"left\">\u6570\u636e\u96f6\u4e22\u5931\u3001\u96f6\u53d8\u66f4<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">used_memory_rss (\u7269\u7406\u5e38\u9a7b)<\/td>\n<td align=\"left\">12.85 GB (\u4e25\u91cd\u8d85\u6807\u865a\u80d6)<\/td>\n<td align=\"left\">4.85 GB (\u6781\u5ea6\u7d27\u51d1)<\/td>\n<td align=\"left\">\u2b50 \u6210\u529f\u5411 OS \u91ca\u653e 8.0 GB \u7269\u7406\u5185\u5b58!<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">mem_fragmentation_ratio<\/td>\n<td align=\"left\">3.05 (\u7ea2\u8272\u4e25\u91cd\u62a5\u8b66)<\/td>\n<td align=\"left\">1.15 (\u7eff\u8272\u7edd\u5bf9\u5065\u5eb7)<\/td>\n<td align=\"left\">\u788e\u7247\u7387\u66b4\u964d 62.3%<\/td>\n<\/tr>\n<tr>\n<td align=\"left\">\u5ba2\u6237\u7aef\u8bf7\u6c42 P99 \u5ef6\u8fdf<\/td>\n<td align=\"left\">1.85 ms<\/td>\n<td align=\"left\">1.90 ms<\/td>\n<td align=\"left\">CPU \u635f\u8017 &lt; 2%&#xff0c;\u4e1a\u52a1\u5b8c\u5168\u65e0\u611f\u77e5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h4>\u751f\u4ea7\u6cbb\u7406\u4e09\u5927\u9ec4\u91d1\u5b9a\u8bba<\/h4>\n<li>\u5927\u6279\u91cf\u6570\u636e\u6e05\u7406\u575a\u51b3\u4f7f\u7528 UNLINK \u66ff\u4ee3 DEL&#xff1a;DEL \u4f1a\u5728\u5355\u7ebf\u7a0b\u4e2d\u540c\u6b65\u91ca\u653e\u5de8\u578b\u5185\u5b58&#xff0c;\u5bb9\u6613\u5f15\u53d1\u4e3b\u7ebf\u7a0b\u5361\u987f&#xff1b;UNLINK \u662f\u975e\u963b\u585e\u5f02\u6b65\u5220\u9664&#xff0c;\u7531\u540e\u53f0 BIO \u7ebf\u7a0b\u6162\u6162\u56de\u6536\u5185\u5b58&#xff1b;<\/li>\n<li>\u907f\u514d\u5927\u9762\u79ef\u5b58\u50a8\u9891\u7e41\u53d8\u957f\u7684\u5b57\u7b26\u4e32&#xff08;String Append&#xff09;&#xff1a;\u9891\u7e41\u5bf9\u4e00\u4e2a String \u6267\u884c\u8ffd\u52a0\u5199\u5165\u4f1a\u5bfc\u81f4 jemalloc \u9891\u7e41 realloc \u5206\u914d\u4e0d\u540c\u89c4\u683c\u7684\u69fd\u4f4d&#xff0c;\u662f\u4ea7\u751f\u788e\u7247\u7684\u6700\u5927\u5143\u51f6&#xff1b;<\/li>\n<li>\u76d1\u63a7\u5927\u76d8\u5fc5\u987b\u6302\u8f7d mem_fragmentation_ratio \u544a\u8b66&#xff1a;\u5728 Prometheus \u4e2d\u914d\u7f6e\u89c4\u5219&#xff0c;\u5f53\u788e\u7247\u7387 $&gt; 1.8$ \u4e14\u788e\u7247\u5185\u5b58 $&gt; 500\\\\text{MB}$ \u65f6\u81ea\u52a8\u53d1\u51fa\u9884\u8b66\u3002<\/li>\n<h4>\u603b\u7ed3<\/h4>\n<p>\u5bf9\u57fa\u7840\u8bbe\u65bd\u5e95\u5c42\u539f\u7406\u7684\u6d1e\u5bdf&#xff0c;\u662f\u964d\u672c\u589e\u6548\u7684\u6838\u5fc3\u6e90\u6cc9\u3002\u201c\u7406\u89e3 jemalloc \u5185\u5b58\u69fd\u7a7a\u6d1e\u672c\u8d28&#xff0c;\u79d1\u5b66\u914d\u7f6e activedefrag \u52a8\u6001\u65f6\u95f4\u7247&#xff0c;\u7528 5%~20% \u7684\u5fae\u5c0f CPU \u4ee3\u4ef7\u79d2\u7ea7\u91ca\u653e\u6570\u5341 GB \u7269\u7406\u5185\u5b58\u201d&#xff0c;\u662f\u4fdd\u969c Redis \u7f13\u5b58\u4e0e\u5411\u91cf\u5e95\u5ea7\u5728\u9ad8\u9891\u66f4\u65b0\u4e0b\u59cb\u7ec8\u4fdd\u6301\u8f7b\u76c8\u3001\u5065\u58ee\u8fd0\u884c\u7684\u6807\u51c6\u5de5\u4e1a\u7ea7\u5fc5\u4fee\u8bfe\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Redis \u5185\u5b58\u788e\u7247\u7387\u4f18\u5316&#xff1a;\u4ece\u5185\u5b58\u5206\u914d\u5668\u5230\u81ea\u52a8\u6574\u7406\u5728\u957f\u671f\u9ad8\u9891\u5199\u5165\u3001\u66f4\u65b0\u4e0e\u5220\u9664\u952e\u503c\u5bf9\u7684 Redis \u5b9e\u4f8b&#xff08;\u5c24\u5176\u662f\u5b58\u50a8\u5927\u6a21\u578b\u8bed\u4e49\u7f13\u5b58\u3001\u9ad8\u7ef4\u5411\u91cf\u5207\u7247\u4e0e\u591a\u8f6e\u4f1a\u8bdd\u72b6\u6001&#xff09;\u4e2d&#xff0c;\u8fd0\u7ef4\u4eba\u5458\u7ecf\u5e38\u906d\u9047\u4e00\u4e2a\u4ee4\u4eba\u5fc3\u60ca\u8089\u8df3\u7684**\u201c\u865a\u80d6\u5e7d\u7075\u201d**&#xff1a;<br \/>\n\u6267\u884c INFO memory \u547d\u4ee4\u67e5\u770b&#xff1a;used_memory: 4.2 GB&#xff08;Redis \u5b9e\u9645\u5b58\u50a8\u6570\u636e\u6240\u5360\u7528\u7684\u6709\u6548\u5185\u5b58&#xff09;&#xff1b;used_<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[66,50,292,100,51],"topic":[],"class_list":["post-108982","post","type-post","status-publish","format-standard","hentry","category-server","tag-ai","tag-50","tag-292","tag-100","tag-51"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Redis \u5185\u5b58\u788e\u7247\u7387\u4f18\u5316\uff1a\u4ece\u5185\u5b58\u5206\u914d\u5668\u5230\u81ea\u52a8\u6574\u7406 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/108982.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Redis \u5185\u5b58\u788e\u7247\u7387\u4f18\u5316\uff1a\u4ece\u5185\u5b58\u5206\u914d\u5668\u5230\u81ea\u52a8\u6574\u7406 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"Redis \u5185\u5b58\u788e\u7247\u7387\u4f18\u5316&#xff1a;\u4ece\u5185\u5b58\u5206\u914d\u5668\u5230\u81ea\u52a8\u6574\u7406\u5728\u957f\u671f\u9ad8\u9891\u5199\u5165\u3001\u66f4\u65b0\u4e0e\u5220\u9664\u952e\u503c\u5bf9\u7684 Redis \u5b9e\u4f8b&#xff08;\u5c24\u5176\u662f\u5b58\u50a8\u5927\u6a21\u578b\u8bed\u4e49\u7f13\u5b58\u3001\u9ad8\u7ef4\u5411\u91cf\u5207\u7247\u4e0e\u591a\u8f6e\u4f1a\u8bdd\u72b6\u6001&#xff09;\u4e2d&#xff0c;\u8fd0\u7ef4\u4eba\u5458\u7ecf\u5e38\u906d\u9047\u4e00\u4e2a\u4ee4\u4eba\u5fc3\u60ca\u8089\u8df3\u7684**\u201c\u865a\u80d6\u5e7d\u7075\u201d**&#xff1a; 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