---> uname -a: Linux prd-centos7-docker-4c-2g-4374.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 7.2G 43G 15% / tmpfs 184M 0 184M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 1837 538 77 16 1221 1102 Swap: 1023 0 1023 ---> 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:14:b6:5c brd ff:ff:ff:ff:ff:ff inet 10.30.123.197/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86228sec preferred_lft 86228sec inet6 fe80::f816:3eff:fe14:b65c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:56:07:43:77 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 ---> sar -b -r -n DEV: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 10/09/2020 _x86_64_ (4 CPU) 01:43:48 PM LINUX RESTART 01:45:02 PM tps rtps wtps bread/s bwrtn/s 01:46:01 PM 67.14 6.04 61.09 834.81 8353.95 01:47:01 PM 119.66 21.93 97.73 933.75 9794.42 Average: 93.65 14.07 79.59 884.77 9081.25 01:45:02 PM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:46:01 PM 77008 1804548 95.91 2620 1215460 1087528 37.12 438212 1164704 102424 01:47:01 PM 121516 1760040 93.54 2620 1140024 1050060 35.84 431044 1074928 26592 Average: 99262 1782294 94.72 2620 1177742 1068794 36.48 434628 1119816 64508 01:45:02 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:46:01 PM eth0 217.73 181.26 795.06 15.77 0.00 0.00 0.00 01:46:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:46:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:47:01 PM eth0 43.50 34.90 130.10 44.64 0.00 0.00 0.00 01:47:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:47:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 129.76 107.36 459.32 30.35 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 10/09/2020 _x86_64_ (4 CPU) 01:43:48 PM LINUX RESTART 01:45:02 PM CPU %user %nice %system %iowait %steal %idle 01:46:01 PM all 15.14 0.00 2.02 1.25 0.02 81.57 01:46:01 PM 0 22.92 0.00 2.35 0.26 0.02 74.45 01:46:01 PM 1 17.81 0.00 2.28 2.43 0.02 77.46 01:46:01 PM 2 10.12 0.00 1.46 1.95 0.02 86.45 01:46:01 PM 3 9.81 0.00 1.96 0.34 0.02 87.87 01:47:01 PM all 16.93 0.00 2.75 2.66 0.03 77.63 01:47:01 PM 0 23.58 0.00 3.22 1.90 0.03 71.26 01:47:01 PM 1 12.36 0.00 2.09 1.63 0.02 83.90 01:47:01 PM 2 16.54 0.00 2.60 3.85 0.02 76.98 01:47:01 PM 3 15.25 0.00 3.09 3.26 0.02 78.38 Average: all 16.05 0.00 2.39 1.97 0.02 79.58 Average: 0 23.25 0.00 2.79 1.09 0.03 72.84 Average: 1 15.06 0.00 2.18 2.03 0.02 80.71 Average: 2 13.36 0.00 2.04 2.91 0.02 81.68 Average: 3 12.56 0.00 2.53 1.81 0.02 83.08