---> uname -a: Linux prd-centos7-docker-4c-2g-1916.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: 2933.436 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 599 70 16 1167 1038 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:d9:6d:b3 brd ff:ff:ff:ff:ff:ff inet 10.30.123.114/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86143sec preferred_lft 86143sec inet6 fe80::f816:3eff:fed9:6db3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:9d:fd:90:40 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::42:9dff:fefd:9040/64 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) 09/29/2020 _x86_64_ (4 CPU) 01:49:11 AM LINUX RESTART 01:50:02 AM tps rtps wtps bread/s bwrtn/s 01:51:02 AM 114.20 31.58 82.62 6421.75 20915.40 01:52:01 AM 110.83 59.65 51.18 5122.95 8126.64 01:53:01 AM 111.85 26.37 85.48 1641.55 10503.86 Average: 112.30 39.12 73.17 4381.61 13172.74 01:50:02 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:51:02 AM 103760 1777796 94.49 2620 1127968 1261288 43.05 556404 1008464 88160 01:52:01 AM 96704 1784852 94.86 2620 1116992 1190388 40.63 649292 949220 59908 01:53:01 AM 98924 1782632 94.74 2596 1100972 1123900 38.36 631612 921832 85008 Average: 99796 1781760 94.70 2612 1115311 1191859 40.68 612436 959839 77692 01:50:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:51:02 AM veth5730d91 21.65 38.39 1.88 298.51 0.00 0.00 0.00 01:51:02 AM eth0 1011.11 697.91 4509.33 134.49 0.00 0.00 0.00 01:51:02 AM lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 01:51:02 AM docker0 21.65 38.25 1.59 298.50 0.00 0.00 0.00 01:52:01 AM eth0 412.68 275.69 882.56 956.94 0.00 0.00 0.00 01:52:01 AM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:52:01 AM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:53:01 AM eth0 19.39 14.02 74.27 5.14 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 Average: eth0 349.29 251.18 1446.20 347.69 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 7.19 12.70 0.53 99.09 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) 09/29/2020 _x86_64_ (4 CPU) 01:49:11 AM LINUX RESTART 01:50:02 AM CPU %user %nice %system %iowait %steal %idle 01:51:02 AM all 13.15 0.00 4.83 2.05 0.95 79.03 01:51:02 AM 0 12.03 0.00 5.16 1.51 0.83 80.46 01:51:02 AM 1 13.86 0.00 4.82 1.36 0.83 79.14 01:51:02 AM 2 11.71 0.00 4.53 1.31 0.86 81.60 01:51:02 AM 3 14.98 0.00 4.81 4.02 1.26 74.93 01:52:01 AM all 18.63 0.00 2.87 1.51 0.34 76.65 01:52:01 AM 0 28.51 0.00 3.45 2.36 0.39 65.30 01:52:01 AM 1 11.52 0.00 2.42 0.51 0.36 85.18 01:52:01 AM 2 22.48 0.00 3.26 1.42 0.31 72.53 01:52:01 AM 3 12.26 0.00 2.39 1.79 0.31 83.25 01:53:01 AM all 15.37 0.00 3.28 1.53 0.12 79.70 01:53:01 AM 0 6.93 0.00 1.85 2.36 0.12 88.74 01:53:01 AM 1 21.25 0.00 4.38 1.58 0.09 72.70 01:53:01 AM 2 15.70 0.00 3.21 1.41 0.15 79.54 01:53:01 AM 3 17.72 0.00 3.68 0.77 0.10 77.73 Average: all 15.71 0.00 3.66 1.70 0.47 78.47 Average: 0 15.68 0.00 3.47 2.08 0.44 78.33 Average: 1 15.56 0.00 3.87 1.15 0.42 78.99 Average: 2 16.62 0.00 3.66 1.38 0.44 77.90 Average: 3 14.99 0.00 3.63 2.18 0.55 78.64