---> uname -a: Linux prd-centos7-docker-4c-2g-3051.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: 2933.438 BogoMIPS: 5866.87 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 tmpfs 184M 0 184M 0% /run/user/0 ---> free -m: total used free shared buff/cache available Mem: 1837 582 83 16 1171 1056 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:44:b6:50 brd ff:ff:ff:ff:ff:ff inet 10.30.122.206/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86147sec preferred_lft 86147sec inet6 fe80::f816:3eff:fe44:b650/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b5:27:e3:64 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:b5ff:fe27:e364/64 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) 10/02/2020 _x86_64_ (4 CPU) 04:59:38 PM LINUX RESTART 05:01:01 PM tps rtps wtps bread/s bwrtn/s 05:02:01 PM 132.10 81.73 50.37 11251.92 6616.33 05:03:01 PM 67.13 6.84 60.28 771.56 7308.65 05:04:01 PM 94.37 21.65 72.73 892.57 8918.98 Average: 97.85 36.72 61.13 4303.76 7614.25 05:01:01 PM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:02:01 PM 76728 1804828 95.92 2596 1190336 1110172 37.89 656740 971032 1248 05:03:01 PM 77144 1804412 95.90 2332 1119304 1129840 38.56 709944 879448 69772 05:04:01 PM 73424 1808132 96.10 1816 1118856 1105152 37.72 695108 872880 99464 Average: 75765 1805791 95.97 2248 1142832 1115055 38.05 687264 907787 56828 05:01:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 05:02:01 PM eth0 1239.07 775.30 358.68 3705.12 0.00 0.00 0.00 05:02:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:02:01 PM docker0 7.06 11.05 0.52 83.39 0.00 0.00 0.00 05:03:01 PM eth0 105.38 74.85 824.58 9.35 0.00 0.00 0.00 05:03:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:03:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:04:01 PM eth0 37.18 24.06 130.23 9.34 0.00 0.00 0.00 05:04:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:04:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 460.40 291.32 438.11 1240.72 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 2.35 3.68 0.17 27.78 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) 10/02/2020 _x86_64_ (4 CPU) 04:59:38 PM LINUX RESTART 05:01:01 PM CPU %user %nice %system %iowait %steal %idle 05:02:01 PM all 19.74 0.00 4.82 1.99 0.12 73.34 05:02:01 PM 0 17.52 0.00 5.84 2.23 0.10 74.31 05:02:01 PM 1 6.44 0.00 3.48 1.12 0.14 88.83 05:02:01 PM 2 34.43 0.00 5.25 2.49 0.10 57.73 05:02:01 PM 3 20.62 0.00 4.72 2.10 0.12 72.44 05:03:01 PM all 17.69 0.00 2.80 0.91 0.05 78.56 05:03:01 PM 0 33.08 0.00 3.84 0.96 0.05 62.07 05:03:01 PM 1 15.04 0.00 2.59 1.63 0.07 80.68 05:03:01 PM 2 14.98 0.00 3.13 0.42 0.03 81.43 05:03:01 PM 3 7.90 0.00 1.66 0.62 0.05 89.77 05:04:01 PM all 16.42 0.00 3.41 1.20 0.03 78.94 05:04:01 PM 0 24.57 0.00 4.40 0.48 0.05 70.51 05:04:01 PM 1 8.95 0.00 1.88 0.72 0.02 88.43 05:04:01 PM 2 20.52 0.00 4.55 0.99 0.05 73.90 05:04:01 PM 3 11.78 0.00 2.82 2.63 0.03 82.74 Average: all 17.94 0.00 3.67 1.36 0.07 76.96 Average: 0 25.08 0.00 4.69 1.22 0.07 68.95 Average: 1 10.15 0.00 2.65 1.16 0.07 85.97 Average: 2 23.27 0.00 4.31 1.29 0.06 71.06 Average: 3 13.39 0.00 3.06 1.78 0.07 81.70