---> uname -a: Linux prd-centos7-docker-4c-2g-5293.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 7.7G 43G 16% / tmpfs 184M 0 184M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 1837 627 72 16 1136 1011 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:36:98:7d brd ff:ff:ff:ff:ff:ff inet 10.30.123.246/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86163sec preferred_lft 86163sec inet6 fe80::f816:3eff:fe36:987d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:e2:2a:b1:af 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:e2ff:fe2a:b1af/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) 10/14/2020 _x86_64_ (4 CPU) 01:50:36 AM LINUX RESTART 01:51:02 AM tps rtps wtps bread/s bwrtn/s 01:52:02 AM 207.33 78.80 128.53 9924.09 60500.91 01:53:01 AM 129.96 70.49 59.47 7100.73 7678.40 01:54:01 AM 85.12 13.33 71.78 945.83 9914.35 Average: 140.50 53.98 86.52 5962.58 25946.60 01:51:02 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:02 AM 65228 1816328 96.53 2620 1161560 1275624 43.53 574508 1052328 55604 01:53:01 AM 117096 1764460 93.78 2620 1085904 1159548 39.57 635792 945748 39944 01:54:01 AM 170528 1711028 90.94 2596 1038196 1088896 37.16 580976 904396 91272 Average: 117617 1763939 93.75 2612 1095220 1174689 40.09 597092 967491 62273 01:51:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:02 AM eth0 999.59 654.21 4471.65 107.49 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 vethdce12c4 17.14 23.30 1.43 226.62 0.00 0.00 0.00 01:52:02 AM docker0 17.14 23.16 1.20 226.61 0.00 0.00 0.00 01:53:01 AM eth0 401.19 273.88 517.73 990.69 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 7.84 9.29 0.52 71.92 0.00 0.00 0.00 01:54:01 AM eth0 48.94 38.09 473.04 4.72 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 480.89 320.52 1813.69 365.55 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 8.28 10.76 0.57 98.97 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) 10/14/2020 _x86_64_ (4 CPU) 01:50:36 AM LINUX RESTART 01:51:02 AM CPU %user %nice %system %iowait %steal %idle 01:52:02 AM all 21.29 0.00 10.48 8.08 0.06 60.09 01:52:02 AM 0 28.93 0.00 12.17 5.73 0.09 53.08 01:52:02 AM 1 18.04 0.00 9.18 8.55 0.07 64.16 01:52:02 AM 2 19.09 0.00 9.70 11.51 0.05 59.65 01:52:02 AM 3 19.19 0.00 10.87 6.50 0.05 63.38 01:53:01 AM all 16.84 0.00 3.57 2.04 0.02 77.53 01:53:01 AM 0 19.95 0.00 4.41 0.62 0.03 74.99 01:53:01 AM 1 27.47 0.00 4.47 2.00 0.02 66.04 01:53:01 AM 2 9.17 0.00 2.34 2.82 0.00 85.66 01:53:01 AM 3 10.82 0.00 3.06 2.70 0.03 83.39 01:54:01 AM all 15.16 0.00 3.01 1.28 0.01 80.54 01:54:01 AM 0 22.60 0.00 2.89 1.40 0.00 73.11 01:54:01 AM 1 8.13 0.00 2.38 0.49 0.02 88.99 01:54:01 AM 2 10.07 0.00 2.76 1.02 0.02 86.13 01:54:01 AM 3 19.91 0.00 4.00 2.25 0.02 73.83 Average: all 17.74 0.00 5.66 3.77 0.03 72.80 Average: 0 23.80 0.00 6.44 2.56 0.04 67.15 Average: 1 17.80 0.00 5.32 3.65 0.03 73.21 Average: 2 12.75 0.00 4.91 5.08 0.02 77.24 Average: 3 16.65 0.00 5.95 3.80 0.03 73.57