---> uname -a: Linux prd-centos7-docker-4c-2g-2114.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: 2933.436 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 595 74 16 1167 1043 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:bd:d0:db brd ff:ff:ff:ff:ff:ff inet 10.30.123.115/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86155sec preferred_lft 86155sec inet6 fe80::f816:3eff:febd:d0db/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:69:ba:d3:96 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::42:69ff:feba:d396/64 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) 01:50:03 AM LINUX RESTART 01:51:01 AM tps rtps wtps bread/s bwrtn/s 01:52:01 AM 129.18 32.98 96.21 6370.98 22816.26 01:53:01 AM 97.99 62.96 35.03 5678.55 4475.14 01:54:01 AM 108.77 20.51 88.26 862.99 12717.63 Average: 111.98 38.82 73.17 4304.67 13336.94 01:51:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:01 AM 113900 1767656 93.95 2620 1166800 1223660 41.76 539604 1013996 39512 01:53:01 AM 84392 1797164 95.51 2620 1112576 1191128 40.65 665912 941516 103592 01:54:01 AM 81832 1799724 95.65 2596 1109700 1139396 38.89 643796 918608 32112 Average: 93375 1788181 95.04 2612 1129692 1184728 40.43 616437 958040 58405 01:51:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:01 AM veth9c0d291 48.82 56.51 3.64 295.21 0.00 0.00 0.00 01:52:01 AM eth0 1179.83 751.70 4502.88 282.99 0.00 0.00 0.00 01:52:01 AM lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 01:52:01 AM docker0 48.82 56.37 2.97 295.20 0.00 0.00 0.00 01:53:01 AM eth0 384.92 259.08 907.87 785.95 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:54:01 AM eth0 34.58 21.69 119.70 8.05 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 309.54 208.47 978.31 338.81 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 16.28 18.80 0.99 98.42 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) 01:50:03 AM LINUX RESTART 01:51:01 AM CPU %user %nice %system %iowait %steal %idle 01:52:01 AM all 15.16 0.00 4.49 2.66 0.22 77.47 01:52:01 AM 0 15.09 0.00 5.18 0.73 0.24 78.76 01:52:01 AM 1 9.84 0.00 3.20 2.60 0.25 84.11 01:52:01 AM 2 8.97 0.00 3.45 2.42 0.17 85.00 01:52:01 AM 3 26.90 0.00 6.19 4.92 0.22 61.77 01:53:01 AM all 17.17 0.00 2.64 1.68 0.12 78.39 01:53:01 AM 0 15.15 0.00 2.29 0.70 0.10 81.76 01:53:01 AM 1 15.96 0.00 2.05 0.88 0.08 81.03 01:53:01 AM 2 22.21 0.00 3.09 2.75 0.17 71.77 01:53:01 AM 3 15.38 0.00 3.12 2.37 0.14 78.99 01:54:01 AM all 14.73 0.00 3.43 2.28 0.05 79.51 01:54:01 AM 0 17.69 0.00 3.51 2.03 0.05 76.72 01:54:01 AM 1 19.85 0.00 4.93 1.17 0.05 74.00 01:54:01 AM 2 10.22 0.00 2.76 3.72 0.07 83.24 01:54:01 AM 3 11.19 0.00 2.51 2.19 0.05 84.06 Average: all 15.68 0.00 3.52 2.20 0.13 78.46 Average: 0 15.98 0.00 3.66 1.16 0.13 79.08 Average: 1 15.22 0.00 3.39 1.55 0.13 79.71 Average: 2 13.78 0.00 3.10 2.96 0.14 80.03 Average: 3 17.77 0.00 3.93 3.15 0.14 75.01