---> uname -a: Linux prd-centos7-docker-4c-2g-1924.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 7.7G 43G 16% / tmpfs 184M 0 184M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 1837 616 73 16 1147 1022 Swap: 1023 1 1022 ---> 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:de:63:21 brd ff:ff:ff:ff:ff:ff inet 10.30.122.171/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86074sec preferred_lft 86074sec inet6 fe80::f816:3eff:fede:6321/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:9f:fd:a2:53 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::42:9fff:fefd:a253/64 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) 09/29/2020 _x86_64_ (4 CPU) 01:51:00 AM LINUX RESTART 01:52:02 AM tps rtps wtps bread/s bwrtn/s 01:53:01 AM 113.18 32.07 81.11 6686.24 24217.08 01:54:01 AM 108.32 60.46 47.87 5134.94 6555.56 01:55:01 AM 54.56 5.88 48.69 741.28 4951.17 01:56:01 AM 91.12 20.49 70.63 860.68 9066.80 Average: 91.73 29.73 62.00 3344.65 11150.07 01:52:02 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:53:01 AM 76544 1805012 95.93 2620 1194572 1271468 43.39 579828 1030120 69548 01:54:01 AM 125048 1756508 93.35 2620 1123824 1169256 39.90 611444 960816 15936 01:55:01 AM 82560 1798996 95.61 2596 1098580 1173844 40.06 667700 935244 78412 01:56:01 AM 91000 1790556 95.16 2596 1086396 1128296 38.51 631644 923656 64516 Average: 93788 1787768 95.02 2608 1125843 1185716 40.47 622654 962459 57103 01:52:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:53:01 AM vethd07b7a7 43.46 49.16 3.24 227.85 0.00 0.00 0.00 01:53:01 AM eth0 699.75 557.03 4410.15 95.92 0.00 0.00 0.00 01:53:01 AM lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 01:53:01 AM docker0 43.46 49.03 2.65 227.84 0.00 0.00 0.00 01:54:01 AM eth0 217.10 152.68 187.25 951.22 0.00 0.00 0.00 01:54:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:54:01 AM docker0 4.90 8.95 0.37 70.65 0.00 0.00 0.00 01:55:01 AM eth0 92.56 65.76 808.54 7.97 0.00 0.00 0.00 01:55:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:55:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:56:01 AM eth0 27.56 17.50 111.75 6.68 0.00 0.00 0.00 01:56:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:56:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 221.86 172.40 1227.34 257.75 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 11.98 14.37 0.75 74.08 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) 09/29/2020 _x86_64_ (4 CPU) 01:51:00 AM LINUX RESTART 01:52:02 AM CPU %user %nice %system %iowait %steal %idle 01:53:01 AM all 12.05 0.00 4.92 1.92 10.60 70.52 01:53:01 AM 0 9.15 0.00 4.75 1.94 10.91 73.25 01:53:01 AM 1 10.88 0.00 5.07 0.53 9.89 73.64 01:53:01 AM 2 17.96 0.00 5.92 0.93 10.40 64.79 01:53:01 AM 3 10.41 0.00 4.01 4.23 11.17 70.18 01:54:01 AM all 13.25 0.00 2.64 1.30 6.18 76.63 01:54:01 AM 0 14.33 0.00 3.03 0.87 6.57 75.20 01:54:01 AM 1 19.83 0.00 2.65 0.85 6.47 70.20 01:54:01 AM 2 9.39 0.00 2.28 0.47 5.86 82.01 01:54:01 AM 3 9.58 0.00 2.55 3.04 5.85 78.98 01:55:01 AM all 16.02 0.00 1.86 0.69 3.35 78.08 01:55:01 AM 0 26.43 0.00 2.05 1.22 3.22 67.08 01:55:01 AM 1 13.82 0.00 2.31 0.68 2.43 80.76 01:55:01 AM 2 6.98 0.00 1.38 0.75 3.78 87.12 01:55:01 AM 3 17.34 0.00 1.77 0.12 3.96 76.81 01:56:01 AM all 13.91 0.00 3.08 1.69 3.89 77.44 01:56:01 AM 0 14.75 0.00 3.02 2.12 4.71 75.40 01:56:01 AM 1 12.22 0.00 2.61 1.89 3.75 79.52 01:56:01 AM 2 5.80 0.00 1.92 1.69 3.63 86.95 01:56:01 AM 3 23.15 0.00 4.81 1.05 3.45 67.54 Average: all 13.80 0.00 3.12 1.40 6.00 75.68 Average: 0 16.09 0.00 3.22 1.54 6.37 72.78 Average: 1 14.18 0.00 3.16 0.99 5.64 76.03 Average: 2 9.92 0.00 2.83 0.96 5.85 80.44 Average: 3 15.07 0.00 3.28 2.12 6.13 73.40