---> uname -a: Linux prd-centos7-docker-4c-2g-4333.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 595 74 16 1166 1043 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:26:9a:b2 brd ff:ff:ff:ff:ff:ff inet 10.30.122.104/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86144sec preferred_lft 86144sec inet6 fe80::f816:3eff:fe26:9ab2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d4:42:1f:4e 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:d4ff:fe42:1f4e/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) 01:49:54 AM LINUX RESTART 01:51:01 AM tps rtps wtps bread/s bwrtn/s 01:52:02 AM 133.78 47.77 86.01 10484.13 13527.45 01:53:01 AM 104.13 68.56 35.57 7398.27 4229.37 01:54:01 AM 111.93 22.62 89.31 997.07 13025.43 Average: 116.69 46.19 70.49 6287.40 10295.10 01:51:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:02 AM 74412 1807144 96.05 2620 1158864 1194020 40.75 575628 1020988 39696 01:53:01 AM 78472 1803084 95.83 2596 1118388 1174604 40.09 721396 900104 61040 01:54:01 AM 105020 1776536 94.42 2396 1099564 1103440 37.66 664784 880816 24920 Average: 85968 1795588 95.43 2537 1125605 1157355 39.50 653936 933969 41885 01:51:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:02 AM eth0 904.11 609.30 1325.09 1972.85 0.00 0.00 0.00 01:52:02 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:52:02 AM vethf44d74b 23.54 32.20 1.98 293.43 0.00 0.00 0.00 01:52:02 AM docker0 23.54 32.06 1.66 293.42 0.00 0.00 0.00 01:53:01 AM eth0 716.68 497.46 950.87 1811.53 0.00 0.00 0.00 01:53:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:53:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:54:01 AM eth0 26.26 20.36 109.98 6.07 0.00 0.00 0.00 01:54:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:54:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 548.11 375.05 794.49 1260.48 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 7.89 10.75 0.56 98.38 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) 01:49:54 AM LINUX RESTART 01:51:01 AM CPU %user %nice %system %iowait %steal %idle 01:52:02 AM all 19.11 0.00 5.25 1.93 0.10 73.61 01:52:02 AM 0 14.78 0.00 6.51 3.23 0.12 75.36 01:52:02 AM 1 17.68 0.00 4.98 1.43 0.08 75.83 01:52:02 AM 2 26.61 0.00 5.18 2.79 0.07 65.35 01:52:02 AM 3 17.35 0.00 4.40 0.26 0.12 77.88 01:53:01 AM all 17.74 0.00 3.19 1.54 0.03 77.50 01:53:01 AM 0 24.83 0.00 3.76 1.47 0.03 69.91 01:53:01 AM 1 7.66 0.00 2.90 0.39 0.03 89.01 01:53:01 AM 2 27.71 0.00 3.56 2.56 0.03 66.14 01:53:01 AM 3 10.96 0.00 2.56 1.72 0.02 84.74 01:54:01 AM all 14.17 0.00 3.46 1.45 0.02 80.90 01:54:01 AM 0 12.66 0.00 2.81 0.37 0.02 84.14 01:54:01 AM 1 20.02 0.00 4.76 2.38 0.02 72.82 01:54:01 AM 2 9.30 0.00 2.72 1.74 0.02 86.22 01:54:01 AM 3 14.71 0.00 3.56 1.33 0.03 80.36 Average: all 16.99 0.00 3.97 1.64 0.05 77.35 Average: 0 17.35 0.00 4.35 1.68 0.06 76.56 Average: 1 15.15 0.00 4.22 1.41 0.05 79.18 Average: 2 21.11 0.00 3.81 2.36 0.04 72.67 Average: 3 14.35 0.00 3.51 1.10 0.06 80.98