---> uname -a: Linux prd-centos7-docker-4c-2g-3877.vexxhost.local 3.10.0-1127.el7.x86_64 #1 SMP Tue Mar 31 23:36:51 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: GenuineIntel CPU family: 6 Model: 44 Model name: Westmere E56xx/L56xx/X56xx (IBRS update) Stepping: 1 CPU MHz: 2933.442 BogoMIPS: 5866.88 Virtualization: VT-x Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 4096K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ss syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl xtopology eagerfpu pni pclmulqdq vmx ssse3 cx16 pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer aes hypervisor lahf_lm ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid tsc_adjust arat spec_ctrl intel_stibp ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on devtmpfs 887M 0 887M 0% /dev tmpfs 919M 0 919M 0% /dev/shm tmpfs 919M 17M 903M 2% /run tmpfs 919M 0 919M 0% /sys/fs/cgroup /dev/vda1 50G 7.8G 43G 16% / tmpfs 184M 0 184M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 1837 589 73 16 1174 1049 Swap: 1023 2 1021 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc pfifo_fast state UP group default qlen 1000 link/ether fa:16:3e:d7:2d:55 brd ff:ff:ff:ff:ff:ff inet 10.30.122.221/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86152sec preferred_lft 86152sec inet6 fe80::f816:3eff:fed7:2d55/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:eb:92:98:59 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::42:ebff:fe92:9859/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 10/07/2020 _x86_64_ (4 CPU) 02:55:13 AM LINUX RESTART 02:56:01 AM tps rtps wtps bread/s bwrtn/s 02:57:01 AM 143.95 45.33 98.62 9117.52 24391.88 02:58:01 AM 91.81 65.73 26.08 6812.92 3400.30 02:59:01 AM 115.80 26.45 89.35 1600.80 13043.18 Average: 117.19 45.84 71.35 5844.16 13612.42 02:56:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:57:01 AM 64412 1817144 96.58 2620 1169012 1203108 41.06 552912 1044808 39556 02:58:01 AM 71640 1809916 96.19 2596 1166364 1130824 38.59 685856 941320 69264 02:59:01 AM 83940 1797616 95.54 2316 1125248 1096664 37.43 660100 904472 29308 Average: 73331 1808225 96.10 2511 1153541 1143532 39.03 632956 963533 46043 02:56:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 02:57:01 AM eth0 1004.63 828.96 3061.86 1126.12 0.00 0.00 0.00 02:57:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:57:01 AM veth4b762f6 26.28 34.45 2.14 294.30 0.00 0.00 0.00 02:57:01 AM docker0 26.28 34.32 1.78 294.29 0.00 0.00 0.00 02:58:01 AM eth0 974.80 665.35 964.32 2655.78 0.00 0.00 0.00 02:58:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:58:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:59:01 AM eth0 23.26 16.33 130.17 5.20 0.00 0.00 0.00 02:59:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:59:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 667.62 503.59 1385.61 1262.43 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 8.76 11.44 0.59 98.11 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 10/07/2020 _x86_64_ (4 CPU) 02:55:13 AM LINUX RESTART 02:56:01 AM CPU %user %nice %system %iowait %steal %idle 02:57:01 AM all 18.39 0.00 5.46 2.38 0.03 73.75 02:57:01 AM 0 16.36 0.00 7.09 2.94 0.02 73.59 02:57:01 AM 1 18.87 0.00 5.41 1.28 0.03 74.41 02:57:01 AM 2 12.79 0.00 4.28 1.43 0.02 81.48 02:57:01 AM 3 25.51 0.00 5.04 3.83 0.07 65.55 02:58:01 AM all 18.12 0.00 3.59 1.85 0.07 76.38 02:58:01 AM 0 43.33 0.00 5.93 0.62 0.07 50.06 02:58:01 AM 1 5.59 0.00 2.31 3.33 0.07 88.70 02:58:01 AM 2 17.24 0.00 3.71 1.48 0.08 77.48 02:58:01 AM 3 6.65 0.00 2.46 1.94 0.05 88.89 02:59:01 AM all 15.05 0.00 3.60 2.19 0.02 79.14 02:59:01 AM 0 13.06 0.00 2.83 1.49 0.00 82.62 02:59:01 AM 1 18.57 0.00 4.03 2.55 0.03 74.81 02:59:01 AM 2 16.83 0.00 4.05 3.46 0.02 75.63 02:59:01 AM 3 11.76 0.00 3.45 1.27 0.02 83.50 Average: all 17.18 0.00 4.21 2.14 0.04 76.43 Average: 0 24.16 0.00 5.27 1.68 0.03 68.86 Average: 1 14.33 0.00 3.91 2.39 0.05 79.32 Average: 2 15.62 0.00 4.01 2.13 0.04 78.20 Average: 3 14.64 0.00 3.65 2.35 0.04 79.32