---> uname -a: Linux prd-centos7-docker-4c-2g-3082.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 7.8G 43G 16% / tmpfs 184M 0 184M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 1837 600 69 16 1167 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:c1:32:8f brd ff:ff:ff:ff:ff:ff inet 10.30.122.12/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86116sec preferred_lft 86116sec inet6 fe80::f816:3eff:fec1:328f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:7d:ac:11:b3 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::42:7dff:feac:11b3/64 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) 10/02/2020 _x86_64_ (4 CPU) 07:08:52 PM LINUX RESTART 07:10:01 PM tps rtps wtps bread/s bwrtn/s 07:11:01 PM 114.12 30.94 83.18 6024.69 21837.03 07:12:01 PM 110.17 80.98 29.19 10920.02 4518.24 07:13:01 PM 87.80 14.85 72.94 977.56 10720.55 Average: 104.03 42.26 61.77 5974.93 12359.93 07:10:01 PM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:11:01 PM 73568 1807988 96.09 2620 1126048 1250828 42.69 574204 1005692 76372 07:12:01 PM 85076 1796480 95.48 2596 1161396 1117260 38.13 665232 951920 20560 07:13:01 PM 166848 1714708 91.13 2232 1046664 1105832 37.74 618948 874180 84844 Average: 108497 1773059 94.23 2483 1111369 1157973 39.52 619461 943931 60592 07:10:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 07:11:01 PM vetha74f88f 24.92 33.09 2.05 293.79 0.00 0.00 0.00 07:11:01 PM eth0 1205.96 872.13 4483.04 129.19 0.00 0.00 0.00 07:11:01 PM lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 07:11:01 PM docker0 24.92 32.96 1.71 293.77 0.00 0.00 0.00 07:12:01 PM eth0 1305.24 888.72 361.10 3695.13 0.00 0.00 0.00 07:12:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:12:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:13:01 PM eth0 95.57 72.58 735.09 7.71 0.00 0.00 0.00 07:13:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:13:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 703.12 511.29 1548.00 1260.10 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 8.31 10.99 0.57 97.96 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) 10/02/2020 _x86_64_ (4 CPU) 07:08:52 PM LINUX RESTART 07:10:01 PM CPU %user %nice %system %iowait %steal %idle 07:11:01 PM all 12.29 0.00 4.01 2.48 0.02 81.21 07:11:01 PM 0 9.87 0.00 4.14 0.49 0.03 85.47 07:11:01 PM 1 14.99 0.00 3.97 4.81 0.02 76.21 07:11:01 PM 2 11.22 0.00 4.00 3.23 0.03 81.51 07:11:01 PM 3 13.01 0.00 3.93 1.34 0.00 81.71 07:12:01 PM all 15.77 0.00 3.29 6.38 0.02 74.55 07:12:01 PM 0 15.22 0.00 4.23 0.46 0.02 80.07 07:12:01 PM 1 12.78 0.00 2.46 0.29 0.00 84.47 07:12:01 PM 2 23.26 0.00 2.72 1.23 0.03 72.76 07:12:01 PM 3 11.79 0.00 3.75 23.50 0.02 60.94 07:13:01 PM all 16.61 0.00 2.76 1.27 0.01 79.35 07:13:01 PM 0 29.31 0.00 4.01 1.56 0.00 65.12 07:13:01 PM 1 8.91 0.00 1.98 0.97 0.02 88.13 07:13:01 PM 2 15.46 0.00 3.06 0.60 0.00 80.88 07:13:01 PM 3 12.80 0.00 2.03 1.93 0.02 83.22 Average: all 14.89 0.00 3.35 3.37 0.01 78.38 Average: 0 18.19 0.00 4.13 0.84 0.02 76.82 Average: 1 12.22 0.00 2.80 2.02 0.01 82.94 Average: 2 16.64 0.00 3.26 1.69 0.02 78.39 Average: 3 12.54 0.00 3.24 8.89 0.01 75.33