---> uname -a: Linux prd-centos7-docker-4c-2g-3305.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 595 71 16 1170 1043 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:c3:d4:b4 brd ff:ff:ff:ff:ff:ff inet 10.30.123.10/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86161sec preferred_lft 86161sec inet6 fe80::f816:3eff:fec3:d4b4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:1d:78:62:13 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::42:1dff:fe78:6213/64 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) 01:49:53 AM LINUX RESTART 01:51:02 AM tps rtps wtps bread/s bwrtn/s 01:52:01 AM 114.25 70.73 43.52 10614.35 7094.03 01:53:01 AM 86.28 19.41 66.87 1353.45 8563.65 01:54:01 AM 97.72 23.19 74.53 972.09 8617.27 Average: 99.34 37.60 61.74 4278.84 8097.10 01:51:02 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:01 AM 116208 1765348 93.82 2620 1150720 1104944 37.71 623084 948620 52 01:53:01 AM 77992 1803564 95.85 2568 1120792 1146528 39.13 708488 889808 83652 01:54:01 AM 90200 1791356 95.21 1892 1086168 1129908 38.56 695172 852556 80928 Average: 94800 1786756 94.96 2360 1119227 1127127 38.47 675581 896995 54877 01:51:02 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:01 AM eth0 1244.23 816.81 557.41 3769.02 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 23.65 36.14 1.71 301.41 0.00 0.00 0.00 01:53:01 AM eth0 100.85 74.36 857.67 10.88 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 32.93 25.66 126.62 32.87 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 455.04 302.81 513.66 1257.26 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 7.80 11.91 0.56 99.37 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) 01:49:53 AM LINUX RESTART 01:51:02 AM CPU %user %nice %system %iowait %steal %idle 01:52:01 AM all 20.77 0.00 4.91 1.93 0.03 72.35 01:52:01 AM 0 30.88 0.00 6.77 0.54 0.05 61.76 01:52:01 AM 1 18.24 0.00 3.63 3.63 0.03 74.47 01:52:01 AM 2 23.21 0.00 5.28 2.46 0.03 69.01 01:52:01 AM 3 10.85 0.00 4.01 1.06 0.03 84.04 01:53:01 AM all 17.66 0.00 2.74 1.70 0.01 77.89 01:53:01 AM 0 36.84 0.00 3.56 2.04 0.00 57.56 01:53:01 AM 1 7.49 0.00 1.62 1.74 0.00 89.15 01:53:01 AM 2 15.04 0.00 2.58 1.77 0.02 80.59 01:53:01 AM 3 11.28 0.00 3.19 1.27 0.02 84.24 01:54:01 AM all 16.16 0.00 3.29 1.40 0.01 79.13 01:54:01 AM 0 23.39 0.00 2.96 0.55 0.03 73.06 01:54:01 AM 1 10.68 0.00 2.64 0.23 0.02 86.43 01:54:01 AM 2 17.56 0.00 4.41 1.64 0.02 76.38 01:54:01 AM 3 13.03 0.00 3.14 3.17 0.02 80.65 Average: all 18.17 0.00 3.64 1.67 0.02 76.50 Average: 0 30.37 0.00 4.40 1.05 0.03 64.15 Average: 1 12.09 0.00 2.62 1.85 0.02 83.42 Average: 2 18.57 0.00 4.08 1.95 0.02 75.37 Average: 3 11.73 0.00 3.44 1.84 0.02 82.97