---> uname -a: Linux prd-centos7-docker-4c-2g-5207.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 7.3G 43G 15% / tmpfs 184M 0 184M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 1837 531 72 16 1233 1110 Swap: 1023 0 1023 ---> 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:c8:44:0a brd ff:ff:ff:ff:ff:ff inet 10.30.122.214/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86158sec preferred_lft 86158sec inet6 fe80::f816:3eff:fec8:440a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:26:b4:f7:5b 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 ---> sar -b -r -n DEV: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 10/13/2020 _x86_64_ (4 CPU) 10:09:29 PM LINUX RESTART 10:10:01 PM tps rtps wtps bread/s bwrtn/s 10:11:03 PM 182.30 125.07 57.24 10366.83 38019.56 10:12:01 PM 52.75 7.17 45.58 890.43 3679.34 10:13:01 PM 96.34 18.52 77.82 774.44 9886.71 Average: 111.16 50.79 60.37 4050.17 17361.49 10:10:01 PM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:11:03 PM 72820 1808736 96.13 2620 1276580 1069892 36.51 381836 1263216 14100 10:12:01 PM 75932 1805624 95.96 2620 1188692 1139076 38.87 458304 1169264 113884 10:13:01 PM 90348 1791208 95.20 2620 1176396 1119828 38.22 421456 1143308 61672 Average: 79700 1801856 95.76 2620 1213889 1109599 37.87 420532 1191929 63219 10:10:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 10:11:03 PM eth0 173.46 123.82 619.75 41.10 0.00 0.00 0.00 10:11:03 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:11:03 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:12:01 PM eth0 93.03 58.69 799.44 7.60 0.00 0.00 0.00 10:12:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:12:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:13:01 PM eth0 25.94 18.70 99.51 26.79 0.00 0.00 0.00 10:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 97.58 67.21 503.07 25.37 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 10/13/2020 _x86_64_ (4 CPU) 10:09:29 PM LINUX RESTART 10:10:01 PM CPU %user %nice %system %iowait %steal %idle 10:11:03 PM all 14.71 0.00 8.27 5.78 17.72 53.53 10:11:03 PM 0 14.85 0.00 8.36 5.87 18.76 52.15 10:11:03 PM 1 12.62 0.00 7.15 9.10 18.32 52.81 10:11:03 PM 2 14.77 0.00 7.46 5.05 17.02 55.70 10:11:03 PM 3 16.72 0.00 10.16 2.93 16.72 53.48 10:12:01 PM all 15.38 0.00 1.78 0.40 3.19 79.25 10:12:01 PM 0 37.59 0.00 2.60 0.97 4.46 54.37 10:12:01 PM 1 3.34 0.00 0.72 0.05 3.09 92.80 10:12:01 PM 2 14.00 0.00 2.09 0.18 2.71 81.03 10:12:01 PM 3 8.45 0.00 1.81 0.45 2.59 86.69 10:13:01 PM all 14.07 0.00 3.15 0.89 5.32 76.57 10:13:01 PM 0 16.96 0.00 2.49 0.32 4.94 75.29 10:13:01 PM 1 14.78 0.00 3.86 2.54 5.88 72.95 10:13:01 PM 2 9.84 0.00 2.68 0.28 5.76 81.44 10:13:01 PM 3 14.81 0.00 3.57 0.43 4.71 76.48 Average: all 14.71 0.00 4.47 2.41 8.90 69.52 Average: 0 22.57 0.00 4.60 2.49 9.68 60.67 Average: 1 10.31 0.00 3.97 3.99 9.27 72.46 Average: 2 12.84 0.00 4.12 1.87 8.62 72.55 Average: 3 13.35 0.00 5.19 1.27 8.02 72.18