---> uname -a: Linux prd-centos7-docker-4c-2g-4402.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 7.7G 43G 16% / tmpfs 184M 0 184M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 1837 600 74 16 1163 1037 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:2f:0d:71 brd ff:ff:ff:ff:ff:ff inet 10.30.123.134/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86142sec preferred_lft 86142sec inet6 fe80::f816:3eff:fe2f:d71/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:09:66:16:92 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::42:9ff:fe66:1692/64 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) 10/09/2020 _x86_64_ (4 CPU) 06:43:06 PM LINUX RESTART 06:44:01 PM tps rtps wtps bread/s bwrtn/s 06:45:01 PM 130.79 34.04 96.76 7596.74 19135.52 06:46:02 PM 114.03 64.15 49.88 5398.27 14145.87 06:47:01 PM 97.02 25.30 71.72 1600.95 10623.81 Average: 114.05 41.25 72.80 4884.35 14658.64 06:44:01 PM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:45:01 PM 120800 1760756 93.58 2620 1151964 1213580 41.42 555696 995720 39556 06:46:02 PM 120096 1761460 93.62 2620 1100928 1159152 39.56 662072 914240 40788 06:47:01 PM 117928 1763628 93.73 2596 1081120 1111248 37.92 641768 894120 79764 Average: 119608 1761948 93.64 2612 1111337 1161327 39.63 619845 934693 53369 06:44:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 06:45:01 PM eth0 625.62 415.44 3013.34 203.81 0.00 0.00 0.00 06:45:01 PM veth420c785 28.36 37.33 2.28 293.73 0.00 0.00 0.00 06:45:01 PM lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 06:45:01 PM docker0 28.36 37.20 1.89 293.72 0.00 0.00 0.00 06:46:02 PM eth0 1507.57 878.88 4100.70 891.79 0.00 0.00 0.00 06:46:02 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:46:02 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:47:01 PM eth0 62.77 56.65 465.17 22.13 0.00 0.00 0.00 06:47:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:47:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 735.78 452.56 2538.22 374.54 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 9.51 12.47 0.63 98.50 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) 06:43:06 PM LINUX RESTART 06:44:01 PM CPU %user %nice %system %iowait %steal %idle 06:45:01 PM all 15.36 0.00 4.51 2.72 0.18 77.23 06:45:01 PM 0 12.70 0.00 4.02 1.49 0.21 81.59 06:45:01 PM 1 15.69 0.00 4.44 3.00 0.19 76.68 06:45:01 PM 2 22.44 0.00 5.50 5.50 0.19 66.37 06:45:01 PM 3 10.68 0.00 4.07 0.87 0.15 84.23 06:46:02 PM all 16.10 0.00 3.91 1.57 0.16 78.26 06:46:02 PM 0 25.33 0.00 5.93 1.85 0.14 66.74 06:46:02 PM 1 8.86 0.00 2.42 0.35 0.20 88.17 06:46:02 PM 2 13.63 0.00 4.79 2.58 0.15 78.85 06:46:02 PM 3 16.89 0.00 2.56 1.54 0.12 78.90 06:47:01 PM all 15.98 0.00 3.10 1.02 0.07 79.82 06:47:01 PM 0 15.56 0.00 2.35 1.55 0.07 80.47 06:47:01 PM 1 18.34 0.00 3.76 0.52 0.07 77.31 06:47:01 PM 2 16.99 0.00 4.28 0.69 0.07 77.97 06:47:01 PM 3 13.05 0.00 2.02 1.33 0.07 83.53 Average: all 15.81 0.00 3.84 1.78 0.14 78.43 Average: 0 17.82 0.00 4.09 1.63 0.14 76.32 Average: 1 14.26 0.00 3.53 1.29 0.15 80.76 Average: 2 17.68 0.00 4.86 2.93 0.14 74.40 Average: 3 13.54 0.00 2.89 1.24 0.11 82.22