---> uname -a: Linux prd-centos7-docker-4c-2g-3168.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 616 65 16 1155 1022 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:c3:09:42 brd ff:ff:ff:ff:ff:ff inet 10.30.123.203/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86141sec preferred_lft 86141sec inet6 fe80::f816:3eff:fec3:942/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:b1:2f:18:e2 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:b1ff:fe2f:18e2/64 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) 01:50:58 AM LINUX RESTART 01:52:02 AM tps rtps wtps bread/s bwrtn/s 01:53:01 AM 144.37 43.30 101.07 8296.85 23074.18 01:54:01 AM 105.39 74.99 30.40 9139.89 3661.97 01:55:01 AM 119.76 26.82 92.94 1620.38 13201.90 Average: 123.06 48.40 74.66 6342.16 13258.79 01:52:02 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:53:01 AM 85708 1795848 95.44 2620 1127740 1212560 41.38 571112 1011280 39688 01:54:01 AM 75244 1806312 96.00 2596 1123092 1159892 39.59 718752 907780 69504 01:55:01 AM 65212 1816344 96.53 2044 1097588 1144576 39.06 693304 892200 23756 Average: 75388 1806168 95.99 2420 1116140 1172343 40.01 661056 937087 44316 01:52:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:53:01 AM veth15baa34 26.53 38.83 2.18 299.94 0.00 0.00 0.00 01:53:01 AM eth0 1493.87 987.56 4599.22 1039.31 0.00 0.00 0.00 01:53:01 AM lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 01:53:01 AM docker0 26.53 38.70 1.82 299.92 0.00 0.00 0.00 01:54:01 AM eth0 980.21 677.37 970.74 2803.38 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 27.18 20.86 153.46 4.96 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 532.04 373.94 862.27 1260.57 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 8.75 12.76 0.60 98.88 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) 01:50:58 AM LINUX RESTART 01:52:02 AM CPU %user %nice %system %iowait %steal %idle 01:53:01 AM all 18.59 0.00 5.36 2.49 0.13 73.42 01:53:01 AM 0 21.64 0.00 6.61 1.63 0.10 70.02 01:53:01 AM 1 22.26 0.00 4.68 5.21 0.15 67.69 01:53:01 AM 2 15.70 0.00 4.73 2.32 0.14 77.12 01:53:01 AM 3 14.79 0.00 5.42 0.81 0.15 78.83 01:54:01 AM all 18.59 0.00 3.56 1.71 0.06 76.08 01:54:01 AM 0 21.92 0.00 4.77 2.98 0.05 70.27 01:54:01 AM 1 15.12 0.00 2.76 0.79 0.03 81.29 01:54:01 AM 2 22.64 0.00 3.72 2.15 0.03 71.46 01:54:01 AM 3 14.71 0.00 3.03 0.97 0.10 81.20 01:55:01 AM all 16.09 0.00 3.60 1.39 0.03 78.90 01:55:01 AM 0 24.36 0.00 4.55 1.58 0.02 69.50 01:55:01 AM 1 15.27 0.00 3.84 0.86 0.03 80.00 01:55:01 AM 2 16.40 0.00 3.74 1.94 0.03 77.89 01:55:01 AM 3 8.31 0.00 2.28 1.18 0.02 88.21 Average: all 17.75 0.00 4.17 1.86 0.07 76.16 Average: 0 22.66 0.00 5.30 2.06 0.06 69.92 Average: 1 17.52 0.00 3.76 2.27 0.07 76.38 Average: 2 18.26 0.00 4.06 2.13 0.07 75.48 Average: 3 12.58 0.00 3.56 0.99 0.09 82.78