{"id":4441,"date":"2018-01-16T18:07:09","date_gmt":"2018-01-17T02:07:09","guid":{"rendered":"https:\/\/www.couchbase.com\/blog\/?p=4441"},"modified":"2025-06-13T19:28:28","modified_gmt":"2025-06-14T02:28:28","slug":"speculative-execution-processor-vulnerabilities-performance-impact-analysis","status":"publish","type":"post","link":"https:\/\/www.couchbase.com\/blog\/ko\/speculative-execution-processor-vulnerabilities-performance-impact-analysis\/","title":{"rendered":"\ud22c\uae30\uc801 \uc2e4\ud589 \ud504\ub85c\uc138\uc11c \ucde8\uc57d\uc810 - \uc131\ub2a5 \uc601\ud5a5 \ubd84\uc11d"},"content":{"rendered":"

\uc9c0\ub09c \uc8fc\uc5d0 \uc800\ud76c\ub294\u00a0<\/span>\ube14\ub85c\uadf8<\/span><\/a>\u00a0\uc5c5\uacc4 \uc804\ubc18\uc758 \ubcf4\uc548 \ucde8\uc57d\uc131\uc5d0 \ub300\uc751\ud558\uc5ec Couchbase \ub370\uc774\ud130 \ud50c\ub7ab\ud3fc \ubcf4\uc548\uc5d0 \ub300\ud55c \uad8c\uc7a5 \uc0ac\ud56d\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. <\/span>\uc800\ud76c\ub294 \ud328\uce58\ub41c OS \ubc14\uc774\ub108\ub9ac\ub85c \uc778\ud55c \uc7a0\uc7ac\uc801\uc778 \uc131\ub2a5 \uc601\ud5a5\uc744 \uacc4\uc18d \ubd84\uc11d\ud588\uc73c\uba70, \uc774 \ube14\ub85c\uadf8 \uac8c\uc2dc\ubb3c\uc5d0 \uc790\uc138\ud55c \ud3c9\uac00 \ub0b4\uc6a9\uc774 \ub2f4\uaca8 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n

\uc774\uc804 \ube14\ub85c\uadf8\uc5d0\uc11c \uc5b8\uae09\ud588\ub4ef\uc774 \uc774\ub7ec\ud55c \uacf5\uaca9\uc774 \uac00\ub2a5\ud558\ub824\uba74 \uacf5\uaca9\uc790\uac00 \ud53c\ud574 \ud504\ub85c\uc138\uc2a4\uc640 \ub3d9\uc77c\ud55c \ud638\uc2a4\ud2b8 \ubc0f \ud504\ub85c\uc138\uc11c\uc5d0\uc11c \uc545\uc131 \ud504\ub85c\uc138\uc2a4\ub97c \uc2e4\ud589\ud560 \uc218 \uc788\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc81c\uc5b4\ub41c \ud504\ub85c\ub355\uc158 \ud658\uacbd\uc5d0\uc11c\ub294 \uc2e4\ud589 \uc911\uc778 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \ub300\ud55c \uc81c\ud55c\uc774 \uc788\uae30 \ub54c\ubb38\uc5d0 \uc774 \uacf5\uaca9\uc774 \ubc1c\uc0dd\ud560 \uc704\ud5d8\uc740 \ub0ae\uc2b5\ub2c8\ub2e4. <\/span><\/p>\n

\uba38\uc2e0\uc5d0 \ub300\ud55c \uc561\uc138\uc2a4\ub97c \uc81c\uc5b4\ud560 \uc218 \uc788\ub294 \uacbd\uc6b0 \ud544\uc694\ud558\uc9c0 \uc54a\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4(\ud574\ub2f9\ub418\ub294 \uacbd\uc6b0<\/strong>)\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc644\ud654 \uae30\ub2a5\uc744 \ud65c\uc131\ud654\ud558\uace0 \uc131\ub2a5 \uc800\ud558\uac00 \ubc1c\uc0dd\ud558\uc9c0 \uc54a\ub3c4\ub85d \ucee4\ub110 \ub9e4\uac1c\ubcc0\uc218\ub97c \uc124\uc815\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n

\uc601\ud5a5 \ubd84\uc11d<\/span><\/h2>\n

\uc774\ub7ec\ud55c \uacf5\uaca9\uc744 \uc644\ud654\ud558\uae30 \uc704\ud574 \ud604\uc7ac \uc0ac\uc6a9 \uac00\ub2a5\ud55c \ubc14\uc774\ub108\ub9ac\ub85c OS\ub97c \ud328\uce58\ud558\uba74 CPU \uc0ac\uc6a9\ub960\uc774 \uc99d\uac00\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ud14c\uc2a4\ud2b8 \uc911 \ud55c \ubc88\uc740 CPU \uc0ac\uc6a9\ub7c9\uc774 \uc57d 20% \uc99d\uac00\ud588\uc2b5\ub2c8\ub2e4. (\ubc84\ud0b7 \ud1b5\uacc4\ub97c \ud655\uc778\ud558\ub824\uba74 \uc6f9 \ucf58\uc194 \ubaa8\ub2c8\ud130\ub9c1 \ud398\uc774\uc9c0\uc5d0\uc11c \ud655\uc778\ud558\uc138\uc694.)<\/span><\/p>\n

\"\"<\/p>\n

 <\/p>\n

\uc131\ub2a5\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc744 \ud3c9\uac00\ud558\uae30 \uc704\ud574 \ub2e4\uc74c \ud14c\uc2a4\ud2b8\ub97c \uc2e4\ud589\ud588\uc2b5\ub2c8\ub2e4. <\/span><\/p>\n

    \n
  • \uc2dc\ub098\ub9ac\uc624 'A' - \uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \ud074\ub7ec\uc2a4\ud130\ub294 \ud504\ub85c\ub355\uc158 \ubc30\ud3ec\ub97c \uc704\ud55c \ucd94\uac00 \uc6a9\ub7c9\uc73c\ub85c \ucda9\ubd84\ud55c \ud06c\uae30\uc785\ub2c8\ub2e4.<\/span><\/li>\n
  • \uc2dc\ub098\ub9ac\uc624 'B' - \uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \ud074\ub7ec\uc2a4\ud130\ub294 \uae30\uc874 \ubd80\ud558\ub97c \ucc98\ub9ac\ud560 \uc218 \uc788\ub294 \uc801\uc808\ud55c \ud06c\uae30\uc774\uc9c0\ub9cc \ucd94\uac00 \uc6a9\ub7c9\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. <\/span><\/li>\n<\/ul>\n

    \uc6cc\ud06c\ub85c\ub4dc<\/span><\/h2>\n

    \ud63c\ud569 \uc6cc\ud06c\ub85c\ub4dc(\uc77d\uae30\/\uc4f0\uae30 50\/50)\uc758 YCSB \uc6cc\ud06c\ub85c\ub4dc A. <\/span><\/p>\n

    \uc2dc\ub098\ub9ac\uc624 A<\/span><\/h2>\n

    4\ub178\ub4dc, \ubc84\ud0b7 2\uac1c, \uc778\ud154 \ud504\ub85c\uc138\uc11c E5-2630 v4(\ud558\uc774\ud37c\uc2a4\ub808\ub4dc \ucf54\uc5b4 20\uac1c, 64GB RAM), Couchbase \ud074\ub7ec\uc2a4\ud130\uc5d0\uc11c YCSB \uc6cc\ud06c\ub85c\ub4dc A \uc2e4\ud589. <\/span><\/p>\n

    \ud328\uce58\ub97c \uc801\uc6a9\ud558\uc9c0 \uc54a\uc740 'CentOS 7 \ucee4\ub110'\uacfc \uc801\uc6a9\ud588\uc744 \ub54c\uc758 \uc131\ub2a5\uc744 \ube44\uad50\ud588\uc2b5\ub2c8\ub2e4. <\/span>3.10.0-514.2.2' \ubc0f 'CentOS 7 \ucee4\ub110 3.10.0.693.11.6' \ubc84\uc804\uc73c\ub85c \ud328\uce58\ud588\uc2b5\ub2c8\ub2e4. \u00a0<\/span><\/p>\n

    \uacb0\uacfc<\/strong> - \uc544\ub798 \uadf8\ub798\ud504\ub294 \ub2e4\uc74c\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. <\/span>CPU \uc0ac\uc6a9\ub960<\/b> \ub294 \ud328\uce58\ub41c \uba38\uc2e0\uc5d0\uc11c \uc57d 30% \uc99d\uac00\ud588\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc131\ub2a5\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc740 <\/span>\ucc98\ub9ac\ub7c9<\/b> \uadf8\ub9ac\uace0 <\/span>\uc9c0\uc5f0 \uc2dc\uac04<\/b> \ub294 5% \ubbf8\ub9cc\uc774\uc5c8\uc2b5\ub2c8\ub2e4. \uc774 \uba38\uc2e0\ub4e4\uc740 \ucd94\uac00 CPU \uc6a9\ub7c9\uc744 \ub298\ub9b4 \uc218 \uc788\uc5c8\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/span><\/p>\n

    \"\"<\/p>\n

    \"\"<\/p>\n

    \n\n\n\n\n\n\n\n\n\n
     <\/p>\n

     <\/td>\n

    		<\/td>\n\ud328\uce58\ub418\uc9c0 \uc54a\uc74c - CentOS 7 \ucee4\ub110 3.10.0-514.2.2\u00a0<\/strong>(in\u00a0<\/b>\u03bcs<\/b>)<\/b><\/strong><\/td>\n\ud328\uce58 - CentOS 7 \ucee4\ub110 3.10.0-693.11.6\u00a0<\/strong>(in\u00a0<\/b>\u03bcs<\/b>)<\/b><\/strong><\/td>\n<\/tr>\n
    \uc77d\uae30 \uc9c0\uc5f0 \uc2dc\uac04<\/td>\n\ud3c9\uade0<\/td>\n187<\/td>\n196<\/td>\n<\/tr>\n
    95\uc704<\/td>\n213<\/td>\n228<\/td>\n<\/tr>\n
    99\uc704<\/td>\n1,497<\/td>\n1,525<\/td>\n<\/tr>\n
    \uc4f0\uae30 \uc9c0\uc5f0 \uc2dc\uac04<\/td>\n\ud3c9\uade0<\/td>\n209<\/td>\n219<\/td>\n<\/tr>\n
    95\uc704<\/td>\n236<\/td>\n254<\/td>\n<\/tr>\n
    99\uc704<\/td>\n1,583<\/td>\n1,606<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

    \uc2dc\ub098\ub9ac\uc624 B<\/span><\/h2>\n

    \uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \ud074\ub7ec\uc2a4\ud130\uc5d0\uc11c YCSB \uc6cc\ud06c\ub85c\ub4dc A \uc2e4\ud589 - 3\ub178\ub4dc, \ubc84\ud0b7 1\uac1c, \uc778\ud154 \ud504\ub85c\uc138\uc11c E5-2680 v3(12\ucf54\uc5b4, 64GB RAM).<\/span><\/p>\n

    \uacb0\uacfc<\/strong>: \uc544\ub798 \uadf8\ub798\ud504\ub294 \ub2e4\uc74c\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \ucc98\ub9ac\ub7c9<\/strong> \uadf8\ub9ac\uace0 \uc9c0\uc5f0 \uc2dc\uac04<\/strong> \uc774 \uc601\ud5a5\uc744 \ubc1b\ub294 \uc774\uc720\ub294 \ud328\uce58\ub41c \ucef4\ud4e8\ud130\uc5d0\uc11c CPU\uac00 \ucd5c\ub300 \uc0ac\uc6a9\ub960\uc5d0 \uac00\uae5d\uac8c \uc2e4\ud589\ub418\uace0 \uc788\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/span><\/p>\n

    \"\"<\/p>\n

    \n\n\n\n\n\n\n\n\n\n
    <\/td>\n <\/p>\n

     <\/td>\n

    		\ud328\uce58\ub418\uc9c0 \uc54a\uc74c - CentOS 7 \ucee4\ub110 3.10.0-514.2.2 (in\u00a0<\/b>\u03bcs<\/b>)<\/b><\/td>\n\ud328\uce58 - CentOS 7 \ucee4\ub110 3.10.0-693.11.6\u00a0<\/b>(\u03bcs \ub2e8\uc704)<\/b><\/td>\n<\/tr>\n
    \uc77d\uae30 \uc9c0\uc5f0 \uc2dc\uac04<\/span><\/td>\n\ud3c9\uade0<\/span><\/td>\n847<\/span><\/td>\n1,318<\/span><\/td>\n<\/tr>\n
    95\uc704<\/span><\/td>\n2,627<\/span><\/td>\n4,093<\/span><\/td>\n<\/tr>\n
    99\uc704<\/span><\/td>\n7,207<\/span><\/td>\n9,167<\/span><\/td>\n<\/tr>\n
    \uc4f0\uae30 \uc9c0\uc5f0 \uc2dc\uac04<\/span><\/td>\n\ud3c9\uade0<\/span><\/td>\n879<\/span><\/td>\n1,352<\/span><\/td>\n<\/tr>\n
    95\uc704<\/span><\/td>\n2,703<\/span><\/td>\n4,163<\/span><\/td>\n<\/tr>\n
    99\uc704<\/span><\/td>\n7,315<\/span><\/td>\n9,271<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

    \uacb0\ub860<\/span><\/h2>\n

    \ucc98\ub9ac\ub7c9 \ubc0f \uc9c0\uc5f0 \uc2dc\uac04\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc744 \ucd5c\uc18c\ud654\ud558\uae30 \uc704\ud574 OS \ud328\uce58\ub97c \uc801\uc6a9\ud558\uae30 \uc804\uc5d0 \uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \ud074\ub7ec\uc2a4\ud130\uc758 \ud06c\uae30\ub97c \ub2e4\uc2dc \ud3c9\uac00\ud558\uc5ec \ucd94\uac00 CPU \uc6a9\ub7c9\uc744 \ud655\ubcf4\ud558\ub294 \uac83\uc774 \uc88b\uc2b5\ub2c8\ub2e4.<\/span><\/p>","protected":false},"excerpt":{"rendered":"

    Last week, we published a\u00a0blog\u00a0with recommendation on securing Couchbase data platform in response to industry-wide security vulnerabilities. We continued to analyze the potential performance impact caused by the patched OS binaries and this blog post captures the detailed evaluation. As […]<\/p>","protected":false},"author":8,"featured_media":13873,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[1810,1816,1813],"tags":[],"ppma_author":[8952],"class_list":["post-4441","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-couchbase-mobile","category-couchbase-server","category-security"],"acf":[],"yoast_head":"\nLearn about the Couchbase Performance Impact Analysis<\/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.couchbase.com\/blog\/ko\/speculative-execution-processor-vulnerabilities-performance-impact-analysis\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Speculative Execution Processor Vulnerabilities - Performance Impact Analysis\" \/>\n<meta property=\"og:description\" content=\"Last week, we published a\u00a0blog\u00a0with recommendation on securing Couchbase data platform in response to industry-wide security vulnerabilities. We continued to analyze the potential performance impact caused by the patched OS binaries and this blog post captures the detailed evaluation. As […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.couchbase.com\/blog\/ko\/speculative-execution-processor-vulnerabilities-performance-impact-analysis\/\" \/>\n<meta property=\"og:site_name\" content=\"The Couchbase Blog\" \/>\n<meta property=\"article:published_time\" content=\"2018-01-17T02:07:09+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-06-14T02:28:28+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2018\/01\/Screen-Shot-2018-01-15-at-5.59.35-PM.png\" \/>\n\t<meta property=\"og:image:width\" content=\"2040\" \/>\n\t<meta property=\"og:image:height\" content=\"872\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Anil Kumar, Director Product Management, Couchbase Cloud-Native Database\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@anilkumar1129\" \/>\n<meta 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