---> uname -a: Linux prd-centos7-docker-4c-2g-4511.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 603 69 16 1164 1035 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:88:0f:06 brd ff:ff:ff:ff:ff:ff inet 10.30.122.124/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86123sec preferred_lft 86123sec inet6 fe80::f816:3eff:fe88:f06/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d2:09:ca:29 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:d2ff:fe09:ca29/64 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) 10/10/2020 _x86_64_ (4 CPU) 01:49:35 AM LINUX RESTART 01:51:01 AM tps rtps wtps bread/s bwrtn/s 01:52:01 AM 111.52 28.81 82.71 6448.46 18337.93 01:53:01 AM 108.39 65.35 43.04 5860.59 7573.10 01:54:01 AM 118.83 25.47 93.36 1576.69 12938.52 Average: 112.91 39.87 73.04 4628.85 12950.15 01:51:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:01 AM 86012 1795544 95.43 2620 1111908 1257116 42.90 602512 982856 88668 01:53:01 AM 63632 1817924 96.62 2620 1135576 1169940 39.93 680916 953108 70904 01:54:01 AM 80484 1801072 95.72 2596 1096976 1112972 37.98 640676 916760 25456 Average: 76709 1804847 95.92 2612 1114820 1180009 40.27 641368 950908 61676 01:51:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:01 AM vethd7368b3 37.44 44.98 2.89 294.42 0.00 0.00 0.00 01:52:01 AM eth0 1146.75 848.06 4522.12 147.01 0.00 0.00 0.00 01:52:01 AM lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 01:52:01 AM docker0 37.44 44.85 2.37 294.41 0.00 0.00 0.00 01:53:01 AM eth0 454.71 332.44 865.37 941.93 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 26.59 20.39 133.78 5.91 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 320.17 239.42 1039.32 343.83 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 12.48 14.95 0.79 98.15 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) 10/10/2020 _x86_64_ (4 CPU) 01:49:35 AM LINUX RESTART 01:51:01 AM CPU %user %nice %system %iowait %steal %idle 01:52:01 AM all 13.26 0.00 4.34 1.91 0.06 80.43 01:52:01 AM 0 13.79 0.00 4.52 1.34 0.05 80.31 01:52:01 AM 1 10.70 0.00 3.17 1.82 0.05 84.26 01:52:01 AM 2 21.62 0.00 6.36 3.15 0.07 68.80 01:52:01 AM 3 6.90 0.00 3.33 1.31 0.07 88.38 01:53:01 AM all 16.66 0.00 2.77 1.58 0.03 78.96 01:53:01 AM 0 17.81 0.00 4.07 2.63 0.03 75.46 01:53:01 AM 1 15.10 0.00 2.03 1.90 0.03 80.95 01:53:01 AM 2 18.72 0.00 2.70 0.89 0.03 77.65 01:53:01 AM 3 15.02 0.00 2.31 0.91 0.03 81.73 01:54:01 AM all 15.02 0.00 3.67 1.63 0.01 79.66 01:54:01 AM 0 16.74 0.00 3.16 1.93 0.02 78.15 01:54:01 AM 1 8.37 0.00 2.24 0.69 0.00 88.70 01:54:01 AM 2 16.15 0.00 4.03 2.21 0.02 77.59 01:54:01 AM 3 18.84 0.00 5.26 1.72 0.02 74.16 Average: all 14.98 0.00 3.59 1.71 0.04 79.68 Average: 0 16.12 0.00 3.91 1.96 0.03 77.97 Average: 1 11.39 0.00 2.48 1.47 0.03 84.64 Average: 2 18.83 0.00 4.36 2.08 0.04 74.69 Average: 3 13.59 0.00 3.64 1.31 0.04 81.42