---> uname -a: Linux prd-centos7-docker-4c-2g-1680.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 7.6G 43G 16% / tmpfs 184M 0 184M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 1837 614 70 16 1152 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:7f:73:b2 brd ff:ff:ff:ff:ff:ff inet 10.30.123.10/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86181sec preferred_lft 86181sec inet6 fe80::f816:3eff:fe7f:73b2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:87:dd:9a:86 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::42:87ff:fedd:9a86/64 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) 09/27/2020 _x86_64_ (4 CPU) 05:52:24 PM LINUX RESTART 05:53:01 PM tps rtps wtps bread/s bwrtn/s 05:54:01 PM 141.01 35.85 105.16 6943.94 26685.41 05:55:01 PM 110.82 63.22 47.60 5763.91 6203.78 05:56:01 PM 104.28 21.39 82.89 917.73 10952.09 Average: 118.71 40.15 78.55 4542.46 14615.97 05:53:01 PM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:54:01 PM 66660 1814896 96.46 2620 1171608 1213356 41.41 553560 1041292 39052 05:55:01 PM 112064 1769492 94.04 2596 1091636 1149996 39.25 641084 936404 89096 05:56:01 PM 116532 1765024 93.81 2596 1054920 1134452 38.72 658276 870176 45152 Average: 98419 1783137 94.77 2604 1106055 1165935 39.79 617640 949291 57767 05:53:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 05:54:01 PM eth0 1022.08 763.97 4176.79 436.35 0.00 0.00 0.00 05:54:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:54:01 PM veth069dfd3 23.42 36.73 2.00 296.57 0.00 0.00 0.00 05:54:01 PM docker0 23.42 36.60 1.68 296.56 0.00 0.00 0.00 05:55:01 PM eth0 299.43 201.73 862.87 621.41 0.00 0.00 0.00 05:55:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:55:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:56:01 PM eth0 39.39 25.20 133.18 10.43 0.00 0.00 0.00 05:56:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:56:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 453.75 330.39 1724.78 356.10 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 7.81 12.20 0.56 98.89 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) 09/27/2020 _x86_64_ (4 CPU) 05:52:24 PM LINUX RESTART 05:53:01 PM CPU %user %nice %system %iowait %steal %idle 05:54:01 PM all 21.57 0.00 6.77 3.21 0.04 68.41 05:54:01 PM 0 17.39 0.00 7.86 4.13 0.03 70.58 05:54:01 PM 1 17.16 0.00 5.14 4.08 0.03 73.59 05:54:01 PM 2 33.17 0.00 7.18 1.08 0.07 58.50 05:54:01 PM 3 18.56 0.00 6.93 3.53 0.03 70.94 05:55:01 PM all 17.07 0.00 3.00 1.74 0.02 78.17 05:55:01 PM 0 31.64 0.00 4.01 1.04 0.02 63.29 05:55:01 PM 1 14.08 0.00 2.43 3.09 0.02 80.38 05:55:01 PM 2 12.67 0.00 3.22 1.88 0.02 82.22 05:55:01 PM 3 9.95 0.00 2.33 0.94 0.02 86.76 05:56:01 PM all 16.29 0.00 3.36 2.90 0.01 77.44 05:56:01 PM 0 27.56 0.00 3.70 1.79 0.02 66.92 05:56:01 PM 1 11.34 0.00 3.16 5.04 0.02 80.44 05:56:01 PM 2 6.85 0.00 1.93 1.47 0.02 89.74 05:56:01 PM 3 19.42 0.00 4.68 3.30 0.02 72.59 Average: all 18.30 0.00 4.37 2.61 0.02 74.69 Average: 0 25.55 0.00 5.18 2.32 0.02 66.93 Average: 1 14.19 0.00 3.57 4.07 0.02 78.15 Average: 2 17.52 0.00 4.10 1.48 0.03 76.87 Average: 3 15.97 0.00 4.65 2.59 0.02 76.77