---> uname -a: Linux prd-centos7-docker-4c-2g-3306.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 598 78 16 1160 1040 Swap: 1023 2 1021 ---> 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:90:aa:bb brd ff:ff:ff:ff:ff:ff inet 10.30.123.118/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86160sec preferred_lft 86160sec inet6 fe80::f816:3eff:fe90:aabb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:ae:53:87:bb 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:aeff:fe53:87bb/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) 10/04/2020 _x86_64_ (4 CPU) 01:50:12 AM LINUX RESTART 01:51:02 AM tps rtps wtps bread/s bwrtn/s 01:52:01 AM 141.44 43.32 98.12 8902.98 24694.82 01:53:01 AM 98.75 69.60 29.15 8087.91 3680.77 01:54:01 AM 122.79 26.86 95.94 1610.26 13137.00 Average: 120.89 46.61 74.28 6186.21 13780.59 01:51:02 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:01 AM 70744 1810812 96.24 2620 1155764 1224232 41.78 568324 1026920 39700 01:53:01 AM 89944 1791612 95.22 2596 1131116 1150172 39.25 705644 905672 72908 01:54:01 AM 69308 1812248 96.32 2152 1124136 1121036 38.26 677208 900924 49448 Average: 76665 1804891 95.93 2456 1137005 1165147 39.76 650392 944505 54019 01:51:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:01 AM vethae52837 22.29 32.98 1.93 298.72 0.00 0.00 0.00 01:52:01 AM eth0 1328.84 957.93 4607.27 1260.69 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 22.29 32.85 1.62 298.70 0.00 0.00 0.00 01:53:01 AM eth0 959.41 641.76 1018.70 2581.78 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 24.38 20.96 107.74 19.76 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 584.40 404.00 1225.42 1266.68 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 7.35 10.83 0.53 98.52 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) 10/04/2020 _x86_64_ (4 CPU) 01:50:12 AM LINUX RESTART 01:51:02 AM CPU %user %nice %system %iowait %steal %idle 01:52:01 AM all 18.39 0.00 5.30 3.10 0.04 73.17 01:52:01 AM 0 16.48 0.00 5.93 4.15 0.03 73.41 01:52:01 AM 1 13.19 0.00 4.24 3.15 0.05 79.37 01:52:01 AM 2 20.06 0.00 4.88 2.81 0.03 72.22 01:52:01 AM 3 23.85 0.00 6.13 2.32 0.03 67.67 01:53:01 AM all 19.67 0.00 3.53 1.87 0.03 74.89 01:53:01 AM 0 40.53 0.00 5.85 1.91 0.03 51.67 01:53:01 AM 1 18.80 0.00 2.43 1.31 0.02 77.45 01:53:01 AM 2 14.98 0.00 3.95 3.87 0.03 77.16 01:53:01 AM 3 4.64 0.00 1.94 0.40 0.05 92.97 01:54:01 AM all 14.63 0.00 3.69 2.57 0.01 79.09 01:54:01 AM 0 21.52 0.00 4.08 1.73 0.00 72.68 01:54:01 AM 1 11.25 0.00 3.38 2.96 0.02 82.39 01:54:01 AM 2 18.68 0.00 5.35 3.80 0.02 72.15 01:54:01 AM 3 7.09 0.00 1.98 1.78 0.02 89.14 Average: all 17.55 0.00 4.17 2.51 0.03 75.74 Average: 0 26.18 0.00 5.28 2.59 0.02 65.94 Average: 1 14.42 0.00 3.35 2.47 0.03 79.74 Average: 2 17.90 0.00 4.73 3.50 0.03 73.85 Average: 3 11.77 0.00 3.33 1.49 0.03 83.37