---> uname -a: Linux prd-centos7-docker-4c-2g-3163.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: 2933.442 BogoMIPS: 5866.88 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 582 67 16 1187 1055 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:8d:73:43 brd ff:ff:ff:ff:ff:ff inet 10.30.122.214/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86123sec preferred_lft 86123sec inet6 fe80::f816:3eff:fe8d:7343/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:52:a5:be:f9 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::42:52ff:fea5:bef9/64 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) 10/03/2020 _x86_64_ (4 CPU) 01:49:52 AM LINUX RESTART 01:51:01 AM tps rtps wtps bread/s bwrtn/s 01:52:01 AM 127.03 31.04 95.99 6125.87 22658.55 01:53:01 AM 109.37 78.77 30.60 10053.64 4478.20 01:54:01 AM 102.25 26.14 76.11 1590.68 10543.87 Average: 112.91 45.30 67.61 5924.71 12577.99 01:51:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:01 AM 113720 1767836 93.96 2620 1128188 1219148 41.61 541632 1001288 71328 01:53:01 AM 82732 1798824 95.60 2596 1158640 1158788 39.55 679228 940816 49944 01:54:01 AM 127044 1754512 93.25 2364 1098552 1112300 37.96 647340 883128 80280 Average: 107832 1773724 94.27 2527 1128460 1163412 39.71 622733 941744 67184 01:51:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:01 AM eth0 415.56 319.24 1980.73 79.72 0.00 0.00 0.00 01:52:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:52:01 AM vethfc4fdcc 31.90 39.27 2.53 292.70 0.00 0.00 0.00 01:52:01 AM docker0 31.90 39.13 2.09 292.69 0.00 0.00 0.00 01:53:01 AM eth0 1141.26 802.15 754.40 3678.06 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:54:01 AM eth0 51.76 43.39 339.24 6.60 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 536.10 388.22 1026.58 1253.05 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 10.67 13.09 0.70 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) 10/03/2020 _x86_64_ (4 CPU) 01:49:52 AM LINUX RESTART 01:51:01 AM CPU %user %nice %system %iowait %steal %idle 01:52:01 AM all 15.12 0.00 4.42 2.04 0.12 78.31 01:52:01 AM 0 12.21 0.00 4.11 1.40 0.08 82.20 01:52:01 AM 1 23.45 0.00 4.96 1.39 0.12 70.08 01:52:01 AM 2 15.99 0.00 4.60 1.11 0.13 78.17 01:52:01 AM 3 8.84 0.00 3.99 4.24 0.13 82.79 01:53:01 AM all 19.84 0.00 3.50 1.94 0.16 74.56 01:53:01 AM 0 26.96 0.00 4.62 2.14 0.14 66.14 01:53:01 AM 1 11.64 0.00 2.90 1.90 0.19 83.37 01:53:01 AM 2 20.26 0.00 3.38 1.82 0.17 74.37 01:53:01 AM 3 20.64 0.00 3.11 1.93 0.14 74.19 01:54:01 AM all 16.75 0.00 2.89 1.07 0.03 79.26 01:54:01 AM 0 19.56 0.00 1.88 1.61 0.02 76.93 01:54:01 AM 1 10.91 0.00 2.18 1.09 0.02 85.81 01:54:01 AM 2 19.63 0.00 4.06 0.91 0.03 75.37 01:54:01 AM 3 16.89 0.00 3.48 0.66 0.03 78.93 Average: all 17.23 0.00 3.60 1.68 0.10 77.39 Average: 0 19.53 0.00 3.53 1.71 0.08 75.14 Average: 1 15.34 0.00 3.35 1.46 0.11 79.75 Average: 2 18.62 0.00 4.01 1.28 0.11 75.98 Average: 3 15.43 0.00 3.53 2.28 0.10 78.65