---> uname -a: Linux prd-centos7-docker-4c-2g-3057.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 573 66 16 1197 1064 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:d8:f7:c8 brd ff:ff:ff:ff:ff:ff inet 10.30.123.53/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86129sec preferred_lft 86129sec inet6 fe80::f816:3eff:fed8:f7c8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:bd:b6:c4:4b 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:bdff:feb6:c44b/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) 10/02/2020 _x86_64_ (4 CPU) 05:07:07 PM LINUX RESTART 05:08:01 PM tps rtps wtps bread/s bwrtn/s 05:09:01 PM 137.96 47.70 90.25 11471.46 17286.79 05:10:01 PM 126.53 68.45 58.08 5781.06 23176.55 05:11:02 PM 102.16 18.73 83.44 1230.43 11908.87 Average: 122.22 44.96 77.26 6162.41 17457.99 05:08:01 PM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:09:01 PM 78048 1803508 95.85 2620 1165828 1215800 41.49 607840 989448 39516 05:10:01 PM 88636 1792920 95.29 2596 1163872 1134064 38.70 837116 772548 73448 05:11:02 PM 151560 1729996 91.94 2164 1079396 1089716 37.19 640928 862068 77884 Average: 106081 1775475 94.36 2460 1136365 1146527 39.13 695295 874688 63616 05:08:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 05:09:01 PM eth0 871.76 593.33 1316.15 2449.64 0.00 0.00 0.00 05:09:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:09:01 PM vethe3c2a51 23.05 35.26 1.94 293.79 0.00 0.00 0.00 05:09:01 PM docker0 23.05 35.13 1.63 293.78 0.00 0.00 0.00 05:10:01 PM eth0 3929.69 2457.40 7051.50 1536.50 0.00 0.00 0.00 05:10:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:10:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:11:02 PM eth0 59.70 44.10 492.36 25.50 0.00 0.00 0.00 05:11:02 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:11:02 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 1620.43 1031.65 2953.34 1337.54 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 7.69 11.72 0.54 97.97 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) 10/02/2020 _x86_64_ (4 CPU) 05:07:07 PM LINUX RESTART 05:08:01 PM CPU %user %nice %system %iowait %steal %idle 05:09:01 PM all 19.07 0.00 5.39 2.36 0.07 73.11 05:09:01 PM 0 15.19 0.00 6.21 2.49 0.05 76.06 05:09:01 PM 1 10.97 0.00 4.28 3.18 0.07 81.49 05:09:01 PM 2 36.17 0.00 5.48 1.53 0.07 56.76 05:09:01 PM 3 14.08 0.00 5.61 2.25 0.10 77.96 05:10:01 PM all 20.90 0.00 6.65 1.66 0.09 70.71 05:10:01 PM 0 27.66 0.00 12.00 0.98 0.07 59.29 05:10:01 PM 1 17.26 0.00 5.49 3.83 0.10 73.32 05:10:01 PM 2 21.82 0.00 3.89 0.77 0.09 73.43 05:10:01 PM 3 17.07 0.00 5.32 0.99 0.10 76.51 05:11:02 PM all 16.60 0.00 3.35 1.82 0.03 78.20 05:11:02 PM 0 21.98 0.00 2.47 2.64 0.03 72.87 05:11:02 PM 1 12.52 0.00 3.54 2.19 0.02 81.74 05:11:02 PM 2 15.73 0.00 3.02 0.93 0.02 80.30 05:11:02 PM 3 16.20 0.00 4.35 1.52 0.03 77.90 Average: all 18.85 0.00 5.12 1.95 0.06 74.03 Average: 0 21.57 0.00 6.84 2.05 0.05 69.49 Average: 1 13.57 0.00 4.43 3.07 0.06 78.87 Average: 2 24.52 0.00 4.12 1.08 0.06 70.22 Average: 3 15.78 0.00 5.09 1.59 0.08 77.46