---> uname -a: Linux prd-centos7-docker-4c-2g-1521.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 tmpfs 184M 0 184M 0% /run/user/0 ---> free -m: total used free shared buff/cache available Mem: 1837 595 78 16 1162 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:ee:d3:1c brd ff:ff:ff:ff:ff:ff inet 10.30.122.195/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86099sec preferred_lft 86099sec inet6 fe80::f816:3eff:feee:d31c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:c1:a5:b3:3d 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:c1ff:fea5:b33d/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) 09/25/2020 _x86_64_ (4 CPU) 06:58:28 PM LINUX RESTART 06:59:02 PM tps rtps wtps bread/s bwrtn/s 07:00:01 PM 143.11 50.56 92.56 7909.90 40286.11 07:01:02 PM 103.82 52.77 51.05 5748.26 7075.77 07:02:01 PM 65.60 24.87 40.73 1627.17 3404.09 07:03:01 PM 97.67 20.39 77.28 863.53 10242.15 Average: 102.57 37.17 65.41 4036.30 15220.33 06:59:02 PM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:00:01 PM 103876 1777680 94.48 2620 1162508 1293332 44.14 559400 1039692 12 07:01:02 PM 127856 1753700 93.20 2620 1137976 1139996 38.91 538480 1034400 60 07:02:01 PM 81736 1799820 95.66 2620 1142324 1134604 38.72 600188 1007764 73292 07:03:01 PM 104652 1776904 94.44 2596 1099652 1099572 37.53 591168 951804 71660 Average: 104530 1777026 94.44 2614 1135615 1166876 39.82 572309 1008415 36256 06:59:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 07:00:01 PM eth0 743.00 441.67 4123.95 81.18 0.00 0.00 0.00 07:00:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:00:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:01:02 PM eth0 334.46 217.73 382.16 953.71 0.00 0.00 0.00 07:01:02 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:01:02 PM docker0 23.20 38.09 1.64 293.63 0.00 0.00 0.00 07:02:01 PM eth0 114.77 75.20 840.81 11.23 0.00 0.00 0.00 07:02:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:02:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:03:01 PM eth0 26.60 17.91 108.97 5.49 0.00 0.00 0.00 07:03:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:03:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 304.19 187.85 1357.54 264.77 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 5.85 9.60 0.41 74.02 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) 09/25/2020 _x86_64_ (4 CPU) 06:58:28 PM LINUX RESTART 06:59:02 PM CPU %user %nice %system %iowait %steal %idle 07:00:01 PM all 15.29 0.00 7.38 3.36 13.16 60.80 07:00:01 PM 0 11.79 0.00 7.51 2.10 15.10 63.51 07:00:01 PM 1 14.20 0.00 6.06 4.17 13.28 62.30 07:00:01 PM 2 18.00 0.00 8.05 4.10 13.05 56.80 07:00:01 PM 3 17.38 0.00 7.97 3.12 11.12 60.41 07:01:02 PM all 14.55 0.00 3.38 1.22 5.90 74.96 07:01:02 PM 0 11.58 0.00 3.47 1.37 5.97 77.61 07:01:02 PM 1 17.05 0.00 3.89 1.45 6.06 71.55 07:01:02 PM 2 15.03 0.00 3.63 1.04 5.67 74.63 07:01:02 PM 3 14.50 0.00 2.55 0.98 5.90 76.06 07:02:01 PM all 15.88 0.00 1.78 0.94 2.26 79.14 07:02:01 PM 0 31.42 0.00 2.22 1.41 2.69 62.25 07:02:01 PM 1 6.59 0.00 1.02 0.10 2.06 90.23 07:02:01 PM 2 9.29 0.00 1.45 1.23 1.91 86.12 07:02:01 PM 3 17.23 0.00 2.40 1.04 2.44 76.89 07:03:01 PM all 14.51 0.00 3.32 0.63 2.97 78.57 07:03:01 PM 0 20.69 0.00 4.05 0.50 3.88 70.88 07:03:01 PM 1 17.28 0.00 3.81 1.05 2.64 75.22 07:03:01 PM 2 10.36 0.00 2.89 0.19 3.14 83.43 07:03:01 PM 3 9.83 0.00 2.60 0.78 2.21 84.57 Average: all 15.05 0.00 3.96 1.53 6.05 73.41 Average: 0 18.69 0.00 4.34 1.34 6.96 68.68 Average: 1 13.77 0.00 3.70 1.70 6.03 74.79 Average: 2 13.10 0.00 3.95 1.60 5.84 75.51 Average: 3 14.69 0.00 3.85 1.46 5.38 74.61