{"id":2335,"date":"2013-03-12T21:54:52","date_gmt":"2013-03-12T12:54:52","guid":{"rendered":"http:\/\/blog.isnext.net\/issy\/?p=2335"},"modified":"2013-03-12T21:55:42","modified_gmt":"2013-03-12T12:55:42","slug":"centos6-x%e3%81%aeelrepo-kernel-%e3%83%91%e3%83%a9%e3%83%a1%e3%83%bc%e3%82%bf%e5%b7%ae%e5%88%86%e3%83%a1%e3%83%a2","status":"publish","type":"post","link":"https:\/\/blog.isnext.net\/issy\/archives\/2335","title":{"rendered":"CentOS6.x\u306eELrepo Kernel \u30d1\u30e9\u30e1\u30fc\u30bf\u5dee\u5206\u30e1\u30e2"},"content":{"rendered":"

\u25a0CentOS6.x\u306eELrepo Kernel \u30d1\u30e9\u30e1\u30fc\u30bf\u5dee\u5206\u30e1\u30e2<\/strong>
\n\u3000\u524d\u8a18\u4e8b\u3067\u5c0e\u5165\u3057\u305fELrepo\u306eKernel3.0.68\u3068CentOS6.3\u306ekernel2.6.32\u306ekernel\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u5dee\u5206\u3092\u53d6\u3063\u3066\u307f\u305f\u306e\u3067\u30e1\u30e2\u3057\u3066\u304a\u304f\u3002<\/p>\n

\u4ee5\u4e0b\u306e\u30b3\u30de\u30f3\u30c9\u3067\u53d6\u5f97\u3057\u305f\u30d1\u30e9\u30e1\u30fc\u30bf\u3092\u305d\u308c\u305e\u308c\u306e\u30ab\u30fc\u30cd\u30eb\u3067\u8d77\u52d5\u3057\u3066\u53d6\u5f97\u3002
\n[code]# sysctl -a[\/code]<\/p>\n

kernel\u60c5\u5831\u3068diff\u3092\u53d6\u3063\u305f\u7d50\u679c\u3002
\n[code]# uname -a
\nLinux localhost.localdomain 3.0.68-1.el6.elrepo.i686 #1 SMP Mon Mar 4 00:29:41 EST 2013 i686 i686 i386 GNU\/Linux<\/p>\n

# diff k3s.txt k2s.txt
\n45c45
\n< fs.dentry-state = 10635 4581 45 0 0 0\n---\n> fs.dentry-state = 10781 5172 45 0 0 0
\n47,51c47,51
\n< fs.epoll.max_user_watches = 345206\n< fs.file-max = 100510\n< fs.file-nr = 672 0 100510\n< fs.inode-nr = 9825 756\n< fs.inode-state = 9825 756 0 0 0 0 0\n---\n> fs.epoll.max_user_watches = 331776
\n> fs.file-max = 100902
\n> fs.file-nr = 672 0 100902
\n> fs.inode-nr = 9968 218
\n> fs.inode-state = 9968 218 0 0 0 0 0
\n56a57
\n> fs.mqueue.msg_default = 10
\n57a59
\n> fs.mqueue.msgsize_default = 8192
\n63d64
\n< fs.pipe-max-size = 1048576\n70a72\n> fs.quota.warnings = 1
\n85a88
\n> kernel.exec-shield = 1
\n87d89
\n< kernel.ftrace_enabled = 1\n94a97\n> kernel.kexec_load_disabled = 0
\n100c103
\n< kernel.kptr_restrict = 0\n---\n> kernel.kptr_restrict = 1
\n107c110
\n< kernel.msgmni = 1740\n---\n> kernel.msgmni = 1736
\n110c113
\n< kernel.osrelease = 3.0.68-1.el6.elrepo.i686\n---\n> kernel.osrelease = 2.6.32-279.22.1.el6.i686
\n116c119
\n< kernel.panic_on_oops = 0\n---\n> kernel.panic_on_oops = 1
\n129,131c132,134
\n< kernel.pty.nr = 1\n< kernel.random.boot_id = f6ba4b47-c313-4466-9e3f-2e96cae9d48c\n< kernel.random.entropy_avail = 1247\n---\n> kernel.pty.nr = 2
\n> kernel.random.boot_id = 31a3cfc3-28b9-4b80-a174-7c8af4ae3590
\n> kernel.random.entropy_avail = 131
\n134c137
\n< kernel.random.uuid = 11a6f5a8-2b73-402a-8f3c-d24da95c6ccb\n---\n> kernel.random.uuid = 0ec9460c-05d5-4552-9855-9705f3dee9a0
\n138c141,142
\n< kernel.sched_autogroup_enabled = 1\n---\n> kernel.sched_autogroup_enabled = 0
\n> kernel.sched_cfs_bandwidth_slice_us = 5000
\n140c144,146
\n< kernel.sched_latency_ns = 6000000\n---\n> kernel.sched_compat_yield = 0
\n> kernel.sched_features = 3183
\n> kernel.sched_latency_ns = 5000000
\n142c148
\n< kernel.sched_min_granularity_ns = 750000\n---\n> kernel.sched_min_granularity_ns = 1000000
\n150a157
\n> kernel.shm_rmid_forced = 0
\n153a161,163
\n> kernel.slow-work.max-threads = 4
\n> kernel.slow-work.min-threads = 2
\n> kernel.slow-work.vslow-percentage = 50
\n155d164
\n< kernel.stack_tracer_enabled = 0\n158c167\n< kernel.threads-max = 15806\n---\n> kernel.threads-max = 15876
\n163c172
\n< kernel.version = #1 SMP Mon Mar 4 00:29:41 EST 2013\n---\n> kernel.version = #1 SMP Wed Feb 6 00:31:03 UTC 2013
\n165c174
\n< kernel.watchdog_thresh = 10\n---\n> kernel.watchdog_thresh = 60
\n171d179
\n< net.core.netdev_tstamp_prequeue = 1\n173c181\n< net.core.rmem_default = 114688\n---\n> net.core.rmem_default = 188416
\n178c186
\n< net.core.wmem_default = 114688\n---\n> net.core.wmem_default = 188416
\n398,420d405
\n< net.ipv4.netfilter.ip_conntrack_buckets = 16384\n< net.ipv4.netfilter.ip_conntrack_checksum = 1\n< net.ipv4.netfilter.ip_conntrack_count = 16\n< net.ipv4.netfilter.ip_conntrack_generic_timeout = 600\n< net.ipv4.netfilter.ip_conntrack_icmp_timeout = 30\n< net.ipv4.netfilter.ip_conntrack_log_invalid = 0\n< net.ipv4.netfilter.ip_conntrack_max = 64172\n< net.ipv4.netfilter.ip_conntrack_tcp_be_liberal = 0\n< net.ipv4.netfilter.ip_conntrack_tcp_loose = 1\n< net.ipv4.netfilter.ip_conntrack_tcp_max_retrans = 3\n< net.ipv4.netfilter.ip_conntrack_tcp_timeout_close = 10\n< net.ipv4.netfilter.ip_conntrack_tcp_timeout_close_wait = 60\n< net.ipv4.netfilter.ip_conntrack_tcp_timeout_established = 432000\n< net.ipv4.netfilter.ip_conntrack_tcp_timeout_fin_wait = 120\n< net.ipv4.netfilter.ip_conntrack_tcp_timeout_last_ack = 30\n< net.ipv4.netfilter.ip_conntrack_tcp_timeout_max_retrans = 300\n< net.ipv4.netfilter.ip_conntrack_tcp_timeout_syn_recv = 60\n< net.ipv4.netfilter.ip_conntrack_tcp_timeout_syn_sent = 120\n< net.ipv4.netfilter.ip_conntrack_tcp_timeout_syn_sent2 = 120\n< net.ipv4.netfilter.ip_conntrack_tcp_timeout_time_wait = 120\n< net.ipv4.netfilter.ip_conntrack_udp_timeout = 30\n< net.ipv4.netfilter.ip_conntrack_udp_timeout_stream = 180\n< net.ipv4.ping_group_range = 1 0\n425d409\n< net.ipv4.route.gc_interval = 60\n436a421\n> net.ipv4.route.secret_interval = 600
\n440c425
\n< net.ipv4.tcp_adv_win_scale = 1\n---\n> net.ipv4.tcp_adv_win_scale = 2
\n445d429
\n< net.ipv4.tcp_challenge_ack_limit = 100\n447d430\n< net.ipv4.tcp_cookie_size = 0\n463c446\n< net.ipv4.tcp_mem = 21180 28243 42360\n---\n> net.ipv4.tcp_mem = 81984 109312 163968
\n473c456
\n< net.ipv4.tcp_rmem = 4096 87380 903776\n---\n> net.ipv4.tcp_rmem = 4096 87380 3497984
\n487c470
\n< net.ipv4.tcp_wmem = 4096 16384 903776\n---\n> net.ipv4.tcp_wmem = 4096 16384 3497984
\n489c472
\n< net.ipv4.udp_mem = 21180 28243 42360\n---\n> net.ipv4.udp_mem = 81984 109312 163968
\n506d488
\n< net.ipv6.conf.all.force_tllao = 0\n535d516\n< net.ipv6.conf.default.force_tllao = 0\n564d544\n< net.ipv6.conf.eth0.force_tllao = 0\n593d572\n< net.ipv6.conf.eth1.force_tllao = 0\n622d600\n< net.ipv6.conf.lo.force_tllao = 0\n697c675\n< net.ipv6.route.gc_elasticity = 9\n---\n> net.ipv6.route.gc_elasticity = 0
\n704c682
\n< net.ipv6.route.min_adv_mss = 1220\n---\n> net.ipv6.route.min_adv_mss = 1
\n710c688
\n< net.netfilter.nf_conntrack_count = 16\n---\n> net.netfilter.nf_conntrack_count = 1
\n717c695
\n< net.netfilter.nf_conntrack_max = 64172\n---\n> net.netfilter.nf_conntrack_max = 64432
\n746c724
\n< net.nf_conntrack_max = 64172\n---\n> net.nf_conntrack_max = 64432
\n756a735
\n> vm.extra_free_kbytes = 0
\n764,766c743
\n< vm.min_free_kbytes = 44904\n< vm.min_slab_ratio = 5\n< vm.min_unmapped_ratio = 1\n---\n> vm.min_free_kbytes = 3794
\n769d745
\n< vm.nr_hugepages_mempolicy = 0\n772d747\n< vm.numa_zonelist_order = default\n785c760\n< vm.zone_reclaim_mode = 0\n---\n> vm.would_have_oomkilled = 0[\/code]<\/p>\n","protected":false},"excerpt":{"rendered":"

\u25a0CentOS6.x\u306eELrepo Kernel \u30d1\u30e9\u30e1\u30fc\u30bf\u5dee\u5206\u30e1\u30e2 \u3000\u524d\u8a18\u4e8b\u3067\u5c0e\u5165\u3057\u305fELrepo\u306eKernel3.0.68\u3068CentOS6.3\u306ekernel2.6.32\u306ekernel\u30d1\u30e9\u30e1\u30fc\u30bf\u306e\u5dee\u5206\u3092\u53d6\u3063\u3066\u307f\u305f\u306e\u3067\u30e1 … Continue reading “CentOS6.x\u306eELrepo Kernel \u30d1\u30e9\u30e1\u30fc\u30bf\u5dee\u5206\u30e1\u30e2”<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[20,188,187],"class_list":["post-2335","post","type-post","status-publish","format-standard","hentry","category-linux","tag-centos","tag-diff","tag-kernel"],"_links":{"self":[{"href":"https:\/\/blog.isnext.net\/issy\/wp-json\/wp\/v2\/posts\/2335","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.isnext.net\/issy\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.isnext.net\/issy\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.isnext.net\/issy\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.isnext.net\/issy\/wp-json\/wp\/v2\/comments?post=2335"}],"version-history":[{"count":2,"href":"https:\/\/blog.isnext.net\/issy\/wp-json\/wp\/v2\/posts\/2335\/revisions"}],"predecessor-version":[{"id":2337,"href":"https:\/\/blog.isnext.net\/issy\/wp-json\/wp\/v2\/posts\/2335\/revisions\/2337"}],"wp:attachment":[{"href":"https:\/\/blog.isnext.net\/issy\/wp-json\/wp\/v2\/media?parent=2335"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.isnext.net\/issy\/wp-json\/wp\/v2\/categories?post=2335"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.isnext.net\/issy\/wp-json\/wp\/v2\/tags?post=2335"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}