---> uname -a: Linux prd-centos7-docker-4c-2g-2116.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 609 69 16 1158 1028 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:bc:5a:9b brd ff:ff:ff:ff:ff:ff inet 10.30.122.156/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86102sec preferred_lft 86102sec inet6 fe80::f816:3eff:febc:5a9b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:7d:82:6a:18 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::42:7dff:fe82:6a18/64 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) 09/30/2020 _x86_64_ (4 CPU) 01:50:41 AM LINUX RESTART 01:52:01 AM tps rtps wtps bread/s bwrtn/s 01:53:02 AM 114.63 52.95 61.68 5473.68 9949.35 01:54:01 AM 64.37 28.05 36.32 2083.71 3300.78 01:55:01 AM 88.56 20.14 68.41 902.20 9294.71 Average: 89.32 33.74 55.58 2823.71 7538.41 01:52:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:53:02 AM 118520 1763036 93.70 2620 1104356 1146832 39.14 595708 957268 52 01:54:01 AM 70764 1810792 96.24 2620 1087552 1219680 41.63 685844 935372 44688 01:55:01 AM 105192 1776364 94.41 2596 1081112 1122008 38.29 632568 909912 92384 Average: 98159 1783397 94.78 2612 1091007 1162840 39.69 638040 934184 45708 01:52:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:53:02 AM eth0 366.86 235.57 388.52 964.72 0.00 0.00 0.00 01:53:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:53:02 AM docker0 18.95 32.25 1.40 293.69 0.00 0.00 0.00 01:54:01 AM eth0 110.57 82.10 871.26 19.18 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 01:55:01 AM eth0 15.29 9.18 21.99 5.67 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 Average: eth0 164.52 109.09 424.76 331.53 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 6.35 10.81 0.47 98.43 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) 09/30/2020 _x86_64_ (4 CPU) 01:50:41 AM LINUX RESTART 01:52:01 AM CPU %user %nice %system %iowait %steal %idle 01:53:02 AM all 15.79 0.00 3.79 1.63 4.45 74.33 01:53:02 AM 0 22.92 0.00 5.40 1.02 4.41 66.25 01:53:02 AM 1 15.54 0.00 3.26 0.89 4.22 76.09 01:53:02 AM 2 15.25 0.00 4.19 2.21 4.19 74.17 01:53:02 AM 3 9.69 0.00 2.36 2.39 4.97 80.58 01:54:01 AM all 16.47 0.00 1.69 0.83 1.62 79.39 01:54:01 AM 0 48.17 0.00 2.80 1.00 2.31 45.73 01:54:01 AM 1 3.66 0.00 0.88 0.97 1.46 93.03 01:54:01 AM 2 10.85 0.00 1.88 0.71 1.48 85.08 01:54:01 AM 3 6.11 0.00 1.33 0.65 1.27 90.64 01:55:01 AM all 14.56 0.00 3.20 0.83 2.66 78.75 01:55:01 AM 0 13.71 0.00 2.96 0.19 2.60 80.54 01:55:01 AM 1 11.74 0.00 3.31 1.05 2.98 80.91 01:55:01 AM 2 14.33 0.00 2.92 1.32 2.34 79.09 01:55:01 AM 3 18.52 0.00 3.59 0.79 2.72 74.39 Average: all 15.60 0.00 2.90 1.10 2.92 77.47 Average: 0 27.68 0.00 3.74 0.73 3.13 64.72 Average: 1 10.31 0.00 2.49 0.97 2.88 83.35 Average: 2 13.49 0.00 3.00 1.42 2.68 79.42 Average: 3 11.43 0.00 2.43 1.28 3.00 81.86