centos7优化mysql5.6配置
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一、环境参数
[[email protected] mysql]# grep ‘physical id‘ /proc/cpuinfo |sort -u physical id : 0 physical id : 1 [[email protected] mysql]# grep ‘core id‘ /proc/cpuinfo |sort -u core id : 0 core id : 1 core id : 2 core id : 3 [[email protected] mysql]# grep ‘core id‘ /proc/cpuinfo |sort -u|wc -l 4 [[email protected] mysql]# grep ‘processor‘ /proc/cpuinfo |sort -u|wc -l 16 [[email protected] mysql]# dmidecode -s processor-version Intel(R) Xeon(R) CPU L5520 @ 2.27GHz Intel(R) Xeon(R) CPU L5520 @ 2.27GHz [[email protected] mysql]# cat /proc/meminfo MemTotal: 16255584 kB MemFree: 10019880 kB MemAvailable: 14476360 kB Buffers: 4 kB Cached: 3973604 kB SwapCached: 2436 kB Active: 3884260 kB Inactive: 828028 kB Active(anon): 731664 kB Inactive(anon): 16936 kB Active(file): 3152596 kB Inactive(file): 811092 kB Unevictable: 0 kB Mlocked: 0 kB SwapTotal: 8257532 kB SwapFree: 8221048 kB Dirty: 0 kB Writeback: 0 kB AnonPages: 739240 kB Mapped: 24844 kB Shmem: 9904 kB Slab: 1120032 kB SReclaimable: 830676 kB SUnreclaim: 289356 kB KernelStack: 6112 kB PageTables: 12628 kB NFS_Unstable: 0 kB Bounce: 0 kB WritebackTmp: 0 kB CommitLimit: 16385324 kB Committed_AS: 1443908 kB VmallocTotal: 34359738367 kB VmallocUsed: 115596 kB VmallocChunk: 34351046032 kB HardwareCorrupted: 0 kB AnonHugePages: 589824 kB HugePages_Total: 0 HugePages_Free: 0 HugePages_Rsvd: 0 HugePages_Surp: 0 Hugepagesize: 2048 kB DirectMap4k: 131208 kB DirectMap2M: 16635904 kB
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