---> uname -a: Linux prd-centos7-docker-4c-2g-3164.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: 2933.442 BogoMIPS: 5866.88 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 602 79 16 1155 1036 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:1c:8b:04 brd ff:ff:ff:ff:ff:ff inet 10.30.123.102/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86121sec preferred_lft 86121sec inet6 fe80::f816:3eff:fe1c:8b04/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:d8:50:bb:c2 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:d8ff:fe50:bbc2/64 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) 10/03/2020 _x86_64_ (4 CPU) 01:50:13 AM LINUX RESTART 01:51:01 AM tps rtps wtps bread/s bwrtn/s 01:52:01 AM 102.21 30.74 71.47 6422.50 21820.97 01:53:01 AM 129.07 80.11 48.96 11260.31 6713.28 01:54:01 AM 64.13 9.51 54.62 878.44 7153.49 01:55:01 AM 102.76 22.56 80.20 944.79 9027.09 Average: 99.55 35.73 63.81 4877.27 11178.87 01:51:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:01 AM 71236 1810320 96.21 2620 1176864 1238048 42.25 576380 1048492 36976 01:53:01 AM 85336 1796220 95.46 2596 1169676 1107592 37.80 663440 952808 152 01:54:01 AM 69292 1812264 96.32 2596 1123916 1130492 38.58 728856 882280 79652 01:55:01 AM 79292 1802264 95.79 1896 1096328 1105168 37.72 708208 854448 83020 Average: 76289 1805267 95.95 2427 1141696 1145325 39.09 669221 934507 49950 01:51:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:01 AM veth8cb106e 16.49 23.60 1.40 210.54 0.00 0.00 0.00 01:52:01 AM eth0 1062.52 772.65 4357.83 117.68 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 16.49 23.49 1.17 210.54 0.00 0.00 0.00 01:53:01 AM eth0 1173.56 797.65 332.49 3702.60 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 6.71 10.92 0.50 83.38 0.00 0.00 0.00 01:54:01 AM eth0 99.25 78.13 848.08 9.85 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 01:55:01 AM eth0 40.51 28.11 129.99 9.50 0.00 0.00 0.00 01:55:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:55:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 517.64 379.90 1282.55 951.38 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 5.80 8.60 0.42 73.49 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) 10/03/2020 _x86_64_ (4 CPU) 01:50:13 AM LINUX RESTART 01:51:01 AM CPU %user %nice %system %iowait %steal %idle 01:52:01 AM all 9.83 0.00 3.95 2.22 0.08 83.93 01:52:01 AM 0 11.21 0.00 4.46 0.67 0.07 83.59 01:52:01 AM 1 10.58 0.00 3.50 1.20 0.08 84.64 01:52:01 AM 2 9.58 0.00 3.94 0.94 0.08 85.45 01:52:01 AM 3 7.99 0.00 3.86 6.07 0.08 81.99 01:53:01 AM all 20.17 0.00 4.72 1.93 0.22 72.96 01:53:01 AM 0 15.36 0.00 5.08 2.94 0.21 76.41 01:53:01 AM 1 19.58 0.00 4.61 0.83 0.20 74.77 01:53:01 AM 2 34.10 0.00 5.68 2.38 0.26 57.58 01:53:01 AM 3 11.54 0.00 3.55 1.56 0.24 83.10 01:54:01 AM all 18.27 0.00 2.58 1.05 0.03 78.08 01:54:01 AM 0 39.76 0.00 3.79 1.94 0.03 54.48 01:54:01 AM 1 8.05 0.00 1.69 0.75 0.02 89.49 01:54:01 AM 2 18.20 0.00 3.10 0.18 0.02 78.49 01:54:01 AM 3 7.27 0.00 1.74 1.31 0.03 89.64 01:55:01 AM all 16.36 0.00 3.30 1.30 0.03 79.01 01:55:01 AM 0 13.62 0.00 2.98 1.01 0.02 82.38 01:55:01 AM 1 23.62 0.00 4.41 1.45 0.03 70.48 01:55:01 AM 2 17.39 0.00 3.21 1.11 0.02 78.27 01:55:01 AM 3 10.88 0.00 2.62 1.64 0.03 84.82 Average: all 16.15 0.00 3.63 1.62 0.09 78.51 Average: 0 20.03 0.00 4.07 1.63 0.08 74.18 Average: 1 15.43 0.00 3.55 1.06 0.08 79.88 Average: 2 19.78 0.00 3.98 1.15 0.09 74.99 Average: 3 9.42 0.00 2.94 2.65 0.10 84.90