---> uname -a: Linux prd-centos7-docker-4c-2g-2118.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 7.7G 43G 16% / tmpfs 184M 0 184M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 1837 613 91 16 1131 1024 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:ce:be:a8 brd ff:ff:ff:ff:ff:ff inet 10.30.123.250/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86172sec preferred_lft 86172sec inet6 fe80::f816:3eff:fece:bea8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:9b:b0:00:43 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::42:9bff:feb0:43/64 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) 09/30/2020 _x86_64_ (4 CPU) 01:53:01 AM LINUX RESTART 01:54:01 AM tps rtps wtps bread/s bwrtn/s 01:55:01 AM 155.38 78.53 76.85 7805.33 14706.13 01:56:01 AM 80.90 6.26 74.64 749.64 11015.92 01:57:01 AM 105.63 23.78 81.85 1049.53 8993.07 Average: 113.97 36.20 77.78 3202.26 11572.23 01:54:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:55:01 AM 99456 1782100 94.71 2620 1131188 1141520 38.96 621712 977960 18756 01:56:01 AM 95552 1786004 94.92 2596 1066756 1156824 39.48 684764 880240 69880 01:57:01 AM 153924 1727632 91.82 2384 1042128 1101984 37.61 614468 863984 18412 Average: 116311 1765245 93.82 2533 1080024 1133443 38.68 640315 907395 35683 01:54:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:55:01 AM eth0 526.30 365.75 1206.56 992.92 0.00 0.00 0.00 01:55:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:55:01 AM docker0 30.76 43.71 2.00 294.47 0.00 0.00 0.00 01:56:01 AM eth0 94.90 65.48 757.45 7.88 0.00 0.00 0.00 01:56:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:56:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:57:01 AM eth0 39.42 29.49 129.97 9.11 0.00 0.00 0.00 01:57:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:57:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 220.26 153.61 698.08 336.75 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 10.26 14.57 0.67 98.19 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) 09/30/2020 _x86_64_ (4 CPU) 01:53:01 AM LINUX RESTART 01:54:01 AM CPU %user %nice %system %iowait %steal %idle 01:55:01 AM all 17.74 0.00 4.01 2.44 0.02 75.78 01:55:01 AM 0 19.16 0.00 4.49 3.17 0.02 73.17 01:55:01 AM 1 18.86 0.00 3.95 3.87 0.00 73.32 01:55:01 AM 2 21.68 0.00 4.47 1.37 0.02 72.46 01:55:01 AM 3 11.29 0.00 3.12 1.31 0.02 84.25 01:56:01 AM all 17.55 0.00 2.36 1.05 0.01 79.03 01:56:01 AM 0 31.52 0.00 2.62 1.73 0.02 64.11 01:56:01 AM 1 9.98 0.00 2.12 1.39 0.02 86.49 01:56:01 AM 2 16.41 0.00 3.09 0.84 0.02 79.65 01:56:01 AM 3 12.33 0.00 1.61 0.27 0.02 85.78 01:57:01 AM all 14.94 0.00 2.39 2.26 0.01 80.41 01:57:01 AM 0 26.98 0.00 2.87 1.68 0.02 68.45 01:57:01 AM 1 10.39 0.00 1.85 2.92 0.00 84.84 01:57:01 AM 2 8.06 0.00 1.91 2.99 0.00 87.03 01:57:01 AM 3 14.38 0.00 2.93 1.46 0.00 81.23 Average: all 16.74 0.00 2.92 1.92 0.01 78.41 Average: 0 25.91 0.00 3.32 2.19 0.02 68.57 Average: 1 13.07 0.00 2.64 2.72 0.01 81.56 Average: 2 15.37 0.00 3.15 1.73 0.01 79.74 Average: 3 12.67 0.00 2.55 1.01 0.01 83.76