---> uname -a: Linux prd-centos7-docker-4c-2g-3304.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 7.8G 43G 16% / tmpfs 184M 0 184M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 1837 594 65 16 1176 1043 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:87:5f:1c brd ff:ff:ff:ff:ff:ff inet 10.30.123.150/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86144sec preferred_lft 86144sec inet6 fe80::f816:3eff:fe87:5f1c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:6d:6e:18:75 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::42:6dff:fe6e:1875/64 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) 01:49:43 AM LINUX RESTART 01:51:01 AM tps rtps wtps bread/s bwrtn/s 01:52:02 AM 115.50 65.96 49.53 8469.24 6865.93 01:53:01 AM 80.13 20.08 60.05 1443.03 7649.18 01:54:01 AM 96.52 20.94 75.58 866.86 8883.35 Average: 97.48 35.75 61.73 3605.31 7800.27 01:51:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:02 AM 96312 1785244 94.88 2620 1164112 1088884 37.16 615200 964432 140 01:53:01 AM 89468 1792088 95.24 2596 1112460 1148104 39.18 707812 885056 48472 01:54:01 AM 85032 1796524 95.48 2196 1092756 1129812 38.56 698956 857380 68368 Average: 90271 1791285 95.20 2471 1123109 1122267 38.30 673989 902289 38993 01:51:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:02 AM eth0 1272.69 812.53 434.18 3710.94 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 docker0 11.75 17.86 0.94 179.57 0.00 0.00 0.00 01:53:01 AM eth0 115.76 84.41 870.28 11.90 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 33.19 23.84 128.46 8.73 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 475.92 308.20 475.45 1250.87 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 3.94 5.99 0.32 60.20 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) 01:49:43 AM LINUX RESTART 01:51:01 AM CPU %user %nice %system %iowait %steal %idle 01:52:02 AM all 20.27 0.00 4.78 1.68 0.37 72.90 01:52:02 AM 0 16.57 0.00 6.39 0.97 0.33 75.74 01:52:02 AM 1 28.09 0.00 5.30 2.23 0.31 64.07 01:52:02 AM 2 13.34 0.00 3.79 2.84 0.49 79.53 01:52:02 AM 3 23.11 0.00 3.66 0.65 0.34 72.25 01:53:01 AM all 17.14 0.00 2.52 1.19 0.05 79.10 01:53:01 AM 0 22.28 0.00 3.17 2.70 0.07 71.78 01:53:01 AM 1 6.87 0.00 1.19 0.70 0.07 91.17 01:53:01 AM 2 23.18 0.00 3.76 0.79 0.03 72.23 01:53:01 AM 3 16.34 0.00 1.97 0.60 0.05 81.04 01:54:01 AM all 15.89 0.00 3.21 1.69 0.03 79.18 01:54:01 AM 0 16.32 0.00 3.15 0.32 0.03 80.18 01:54:01 AM 1 15.76 0.00 3.12 1.11 0.03 79.98 01:54:01 AM 2 15.01 0.00 3.87 2.05 0.03 79.04 01:54:01 AM 3 16.47 0.00 2.71 3.28 0.02 77.53 Average: all 17.76 0.00 3.50 1.52 0.15 77.06 Average: 0 18.37 0.00 4.23 1.32 0.14 75.93 Average: 1 16.88 0.00 3.20 1.34 0.14 78.44 Average: 2 17.15 0.00 3.81 1.90 0.19 76.96 Average: 3 18.64 0.00 2.78 1.52 0.14 76.92