---> uname -a: Linux prd-centos7-docker-4c-2g-2119.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 7.7G 43G 16% / tmpfs 184M 0 184M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 1837 596 66 16 1173 1041 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:a9:a1:5b brd ff:ff:ff:ff:ff:ff inet 10.30.123.169/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86167sec preferred_lft 86167sec inet6 fe80::f816:3eff:fea9:a15b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:f2:f6:c3:4d 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:f2ff:fef6:c34d/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) 01:53:11 AM LINUX RESTART 01:54:01 AM tps rtps wtps bread/s bwrtn/s 01:55:01 AM 128.70 34.39 94.31 6498.90 24791.78 01:56:01 AM 116.88 60.78 56.10 5424.21 8224.70 01:57:01 AM 98.02 21.46 76.56 921.21 8981.73 Average: 114.54 38.88 75.66 4282.00 14001.48 01:54:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:55:01 AM 89712 1791844 95.23 2620 1130708 1285656 43.88 639024 939768 39644 01:56:01 AM 86420 1795136 95.41 2596 1121940 1141992 38.97 645240 955832 28660 01:57:01 AM 93136 1788420 95.05 2596 1092644 1113272 37.99 655104 897484 51348 Average: 89756 1791800 95.23 2604 1115097 1180307 40.28 646456 931028 39884 01:54:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:55:01 AM eth0 734.68 516.12 2173.48 991.32 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 vethc324376 23.78 36.99 1.98 293.94 0.00 0.00 0.00 01:55:01 AM veth6dcdd26 36.99 23.78 293.94 1.98 0.00 0.00 0.00 01:56:01 AM eth0 107.89 85.77 858.85 13.61 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 23.79 36.87 1.65 294.08 0.00 0.00 0.00 01:57:01 AM eth0 36.85 25.84 123.21 9.28 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 293.23 209.30 1052.08 338.20 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 7.93 12.29 0.55 98.01 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) 01:53:11 AM LINUX RESTART 01:54:01 AM CPU %user %nice %system %iowait %steal %idle 01:55:01 AM all 17.88 0.00 5.30 1.71 0.05 75.07 01:55:01 AM 0 20.88 0.00 5.67 1.20 0.05 72.20 01:55:01 AM 1 13.75 0.00 4.75 0.86 0.03 80.61 01:55:01 AM 2 21.48 0.00 5.50 0.39 0.07 72.56 01:55:01 AM 3 15.42 0.00 5.27 4.34 0.05 74.91 01:56:01 AM all 16.19 0.00 2.57 2.67 0.03 78.55 01:56:01 AM 0 24.50 0.00 2.62 1.78 0.03 71.07 01:56:01 AM 1 7.21 0.00 2.07 3.13 0.03 87.55 01:56:01 AM 2 16.51 0.00 2.80 4.15 0.03 76.50 01:56:01 AM 3 16.54 0.00 2.79 1.61 0.02 79.04 01:57:01 AM all 16.03 0.00 3.41 1.06 0.02 79.48 01:57:01 AM 0 29.29 0.00 4.59 1.15 0.02 64.95 01:57:01 AM 1 14.42 0.00 3.94 0.38 0.02 81.24 01:57:01 AM 2 11.10 0.00 2.86 0.94 0.02 85.09 01:57:01 AM 3 9.26 0.00 2.25 1.79 0.02 86.68 Average: all 16.70 0.00 3.76 1.81 0.03 77.71 Average: 0 24.91 0.00 4.29 1.38 0.03 69.39 Average: 1 11.79 0.00 3.59 1.46 0.03 83.14 Average: 2 16.35 0.00 3.72 1.83 0.04 78.06 Average: 3 13.74 0.00 3.43 2.58 0.03 80.22