RHEL7ã®Dockerã¨systemdã¨cgroups - ã‚ã‚‚ã‚ã‚‚Dockerã§ã‚³ãƒ³ãƒ†ãƒŠã‚’èµ·å‹•ã™ã‚‹éš›ã«ã€æ¬¡ã®ã‚ˆã†ã«cpu-sharesã¨memory-limitを指定ã™ã‚‹ã“ã¨ãŒã§ãã¾ã™ã€‚ # docker run -c 256 -m 512m hogehogeã“ã‚Œã¯å†…部的ã«ã¯cgroupsを使ã£ã¦ã„ã¾ã™ãŒã€RHEL7ã®Dockerã§ã¯ã€systemdã¨é€£æºã—ã¦cgroupsã®åˆ¶å¾¡ã‚’è¡Œã£ã¦ã„ã¾ã™ã€‚ã“ã®è¾ºã‚Šã®è§£èª¬ã§ã™ã€‚cgroupsãã®ã‚‚ã®èª¬æ˜Žã¯ä¸‹è¨˜ã‚’å‚照下ã•ã„。 ・Control Groups (cgroups) コンテナã‹ã‚‰ç”Ÿæˆã•ã‚Œã‚‹Unit ã¾ãšã€ãƒ†ã‚¹ãƒˆç”¨ã«ContOS6ã®ã‚³ãƒ³ãƒ†ãƒŠã‚’èµ·å‹•ã—ã¦ã€ä¸ã§topコマンドã§ã‚‚実行ã—ã¦ãŠãã¾ã™ã€‚ # docker run -it -c 256 -m 512m centos /bin/bash bash-4.1# top別ã®ç«¯æœ«ã‹ã‚‰ãƒã‚°ã‚¤ãƒ³ã—ã¦ã€ã‚³ãƒ³ãƒ†ãƒŠIDを確èªã—ã¾ã™ã€‚ # docker ps CONTAINER
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