---> uname -a: Linux prd-centos7-docker-4c-2g-1923.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 7.6G 43G 16% / tmpfs 184M 0 184M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 1837 602 66 16 1168 1036 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:95:20:8a brd ff:ff:ff:ff:ff:ff inet 10.30.123.182/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86151sec preferred_lft 86151sec inet6 fe80::f816:3eff:fe95:208a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:11:81:64:04 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::42:11ff:fe81:6404/64 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) 09/29/2020 _x86_64_ (4 CPU) 01:50:27 AM LINUX RESTART 01:51:01 AM tps rtps wtps bread/s bwrtn/s 01:52:01 AM 147.11 59.63 87.48 9356.22 22816.40 01:53:01 AM 117.94 61.48 56.46 5193.08 7392.68 01:54:01 AM 89.70 13.27 76.43 949.43 10785.93 Average: 118.26 44.80 73.46 5167.40 13667.19 01:51:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:01 AM 89720 1791836 95.23 2620 1150948 1270380 43.36 593936 1006840 66152 01:53:01 AM 75884 1805672 95.97 2620 1151368 1181332 40.32 635920 985304 39444 01:54:01 AM 147324 1734232 92.17 2596 1052852 1136392 38.78 612444 893664 76084 Average: 104309 1777247 94.46 2612 1118389 1196035 40.82 614100 961936 60560 01:51:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:01 AM veth5f74a50 16.52 23.39 1.43 222.86 0.00 0.00 0.00 01:52:01 AM eth0 904.17 626.33 4359.76 99.41 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 16.52 23.25 1.20 222.85 0.00 0.00 0.00 01:53:01 AM eth0 401.53 274.60 515.24 961.57 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 6.77 9.89 0.47 70.80 0.00 0.00 0.00 01:54:01 AM eth0 55.69 37.44 489.42 5.70 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 448.28 310.15 1774.47 355.25 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 7.77 11.05 0.56 97.92 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) 09/29/2020 _x86_64_ (4 CPU) 01:50:27 AM LINUX RESTART 01:51:01 AM CPU %user %nice %system %iowait %steal %idle 01:52:01 AM all 20.87 0.00 8.51 2.61 0.71 67.31 01:52:01 AM 0 18.72 0.00 9.23 1.21 0.64 70.20 01:52:01 AM 1 25.23 0.00 8.94 2.95 0.76 62.12 01:52:01 AM 2 19.05 0.00 8.60 2.11 0.76 69.48 01:52:01 AM 3 20.45 0.00 7.29 4.17 0.65 67.44 01:53:01 AM all 17.10 0.00 3.20 1.76 0.29 77.66 01:53:01 AM 0 16.53 0.00 2.97 1.40 0.27 78.83 01:53:01 AM 1 28.95 0.00 3.56 0.43 0.36 66.70 01:53:01 AM 2 13.15 0.00 3.75 1.57 0.30 81.23 01:53:01 AM 3 9.89 0.00 2.49 3.59 0.25 83.77 01:54:01 AM all 16.69 0.00 3.21 1.56 0.08 78.48 01:54:01 AM 0 29.92 0.00 4.31 2.75 0.07 62.95 01:54:01 AM 1 11.77 0.00 3.17 1.69 0.07 83.31 01:54:01 AM 2 14.44 0.00 2.50 1.42 0.07 81.57 01:54:01 AM 3 10.81 0.00 2.87 0.41 0.08 85.82 Average: all 18.20 0.00 4.95 1.97 0.36 74.52 Average: 0 21.72 0.00 5.48 1.79 0.33 70.68 Average: 1 21.93 0.00 5.21 1.68 0.39 70.79 Average: 2 15.53 0.00 4.93 1.70 0.37 77.47 Average: 3 13.69 0.00 4.20 2.71 0.33 79.06