---> uname -a: Linux prd-centos7-docker-4c-2g-3307.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 ---> free -m: total used free shared buff/cache available Mem: 1837 591 68 16 1177 1047 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:1a:9f:29 brd ff:ff:ff:ff:ff:ff inet 10.30.123.54/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86152sec preferred_lft 86152sec inet6 fe80::f816:3eff:fe1a:9f29/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b9:89:e5:10 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:b9ff:fe89:e510/64 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) 10/04/2020 _x86_64_ (4 CPU) 01:50:33 AM LINUX RESTART 01:51:02 AM tps rtps wtps bread/s bwrtn/s 01:52:01 AM 184.45 64.86 119.59 9499.02 55648.12 01:53:01 AM 135.15 85.02 50.13 10978.30 6834.35 01:54:01 AM 79.72 5.61 74.11 731.28 10818.08 Average: 132.83 51.76 81.07 7056.60 24263.62 01:51:02 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:01 AM 67820 1813736 96.40 2620 1154760 1240280 42.33 604676 1013724 75556 01:53:01 AM 87036 1794520 95.37 2596 1168020 1115500 38.07 662668 952416 19868 01:54:01 AM 83616 1797940 95.56 2096 1103528 1114132 38.02 705828 869556 77332 Average: 79491 1802065 95.78 2437 1142103 1156637 39.47 657724 945232 57585 01:51:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:01 AM eth0 961.62 736.51 4429.91 108.52 0.00 0.00 0.00 01:52:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:52:01 AM veth5a0d2a3 14.28 25.72 1.25 226.90 0.00 0.00 0.00 01:52:01 AM docker0 14.28 25.58 1.05 226.88 0.00 0.00 0.00 01:53:01 AM eth0 1222.02 838.83 425.15 3735.50 0.00 0.00 0.00 01:53:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:53:01 AM docker0 5.48 8.01 0.40 70.63 0.00 0.00 0.00 01:54:01 AM eth0 71.68 51.77 741.30 6.64 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 750.67 541.34 1851.49 1290.05 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 6.54 11.12 0.48 98.48 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) 10/04/2020 _x86_64_ (4 CPU) 01:50:33 AM LINUX RESTART 01:51:02 AM CPU %user %nice %system %iowait %steal %idle 01:52:01 AM all 21.15 0.00 9.34 7.38 0.10 62.04 01:52:01 AM 0 22.17 0.00 11.65 6.41 0.10 59.67 01:52:01 AM 1 20.61 0.00 8.17 9.76 0.10 61.35 01:52:01 AM 2 18.74 0.00 7.48 6.79 0.09 66.89 01:52:01 AM 3 23.10 0.00 10.10 6.51 0.10 60.19 01:53:01 AM all 19.63 0.00 4.58 1.99 0.05 73.75 01:53:01 AM 0 16.50 0.00 4.99 0.47 0.05 77.99 01:53:01 AM 1 25.53 0.00 4.82 3.91 0.03 65.71 01:53:01 AM 2 17.47 0.00 4.13 2.21 0.05 76.14 01:53:01 AM 3 19.00 0.00 4.38 1.36 0.07 75.19 01:54:01 AM all 16.96 0.00 2.95 0.77 0.02 79.29 01:54:01 AM 0 38.57 0.00 4.77 1.05 0.02 55.59 01:54:01 AM 1 8.51 0.00 2.01 0.18 0.02 89.28 01:54:01 AM 2 16.20 0.00 3.51 0.79 0.02 79.48 01:54:01 AM 3 4.73 0.00 1.56 1.06 0.03 92.62 Average: all 19.23 0.00 5.60 3.35 0.06 71.78 Average: 0 25.84 0.00 7.10 2.62 0.06 64.38 Average: 1 18.16 0.00 4.97 4.57 0.05 72.25 Average: 2 17.46 0.00 5.03 3.24 0.05 74.22 Average: 3 15.51 0.00 5.30 2.94 0.07 76.18