---> uname -a: Linux prd-centos7-docker-4c-2g-3756.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 579 78 16 1178 1058 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:93:e1:6b brd ff:ff:ff:ff:ff:ff inet 10.30.122.75/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86169sec preferred_lft 86169sec inet6 fe80::f816:3eff:fe93:e16b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b2:30:31:d4 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:b2ff:fe30:31d4/64 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) 10/06/2020 _x86_64_ (4 CPU) 05:40:22 PM LINUX RESTART 05:41:03 PM tps rtps wtps bread/s bwrtn/s 05:42:01 PM 136.01 37.28 98.73 7443.87 24027.27 05:43:01 PM 112.82 75.71 37.11 8029.17 5082.64 05:44:01 PM 127.56 26.47 101.08 1593.87 13905.59 Average: 125.35 46.59 78.76 5670.10 14233.08 05:41:03 PM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:42:01 PM 84884 1796672 95.49 2620 1159984 1252424 42.74 581700 1001196 84188 05:43:01 PM 83496 1798060 95.56 2596 1159544 1132504 38.65 680960 935996 60180 05:44:01 PM 89836 1791720 95.23 2384 1118344 1109428 37.86 677316 880428 35076 Average: 86072 1795484 95.43 2533 1145957 1164785 39.75 646659 939207 59815 05:41:03 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 05:42:01 PM veth8b43cf0 24.38 32.38 2.07 307.01 0.00 0.00 0.00 05:42:01 PM eth0 1174.44 920.06 4643.13 124.69 0.00 0.00 0.00 05:42:01 PM lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 05:42:01 PM docker0 24.38 32.24 1.74 307.00 0.00 0.00 0.00 05:43:01 PM eth0 1320.78 920.91 877.18 3710.29 0.00 0.00 0.00 05:43:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:43:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:44:01 PM eth0 52.91 39.53 293.45 26.56 0.00 0.00 0.00 05:44:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:44:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 786.09 582.98 1810.90 1294.64 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 7.95 10.51 0.57 100.11 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) 10/06/2020 _x86_64_ (4 CPU) 05:40:22 PM LINUX RESTART 05:41:03 PM CPU %user %nice %system %iowait %steal %idle 05:42:01 PM all 18.13 0.00 4.19 2.17 0.02 75.49 05:42:01 PM 0 17.63 0.00 5.76 0.67 0.02 75.93 05:42:01 PM 1 19.95 0.00 3.05 2.23 0.02 74.75 05:42:01 PM 2 14.72 0.00 3.66 5.06 0.00 76.56 05:42:01 PM 3 20.21 0.00 4.31 0.68 0.02 74.78 05:43:01 PM all 20.57 0.00 3.11 2.06 0.03 74.24 05:43:01 PM 0 7.27 0.00 3.35 1.63 0.03 87.72 05:43:01 PM 1 28.73 0.00 2.79 1.36 0.03 67.08 05:43:01 PM 2 23.42 0.00 2.69 3.12 0.02 70.75 05:43:01 PM 3 22.65 0.00 3.63 2.08 0.03 71.61 05:44:01 PM all 16.36 0.00 3.01 2.43 0.01 78.19 05:44:01 PM 0 15.32 0.00 1.92 2.17 0.00 80.59 05:44:01 PM 1 17.97 0.00 3.53 2.69 0.00 75.81 05:44:01 PM 2 11.83 0.00 2.31 1.64 0.02 84.20 05:44:01 PM 3 20.39 0.00 4.28 3.22 0.03 72.08 Average: all 18.35 0.00 3.43 2.22 0.02 75.99 Average: 0 13.39 0.00 3.65 1.50 0.02 81.45 Average: 1 22.23 0.00 3.13 2.10 0.02 72.53 Average: 2 16.67 0.00 2.88 3.26 0.01 77.19 Average: 3 21.09 0.00 4.07 2.01 0.03 72.81