---> uname -a: Linux prd-centos7-docker-4c-2g-5292.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 605 72 16 1160 1033 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:23:d4:73 brd ff:ff:ff:ff:ff:ff inet 10.30.123.49/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86169sec preferred_lft 86169sec inet6 fe80::f816:3eff:fe23:d473/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:09:0b:21:1d 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::42:9ff:fe0b:211d/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) 01:50:34 AM LINUX RESTART 01:51:01 AM tps rtps wtps bread/s bwrtn/s 01:52:01 AM 174.70 59.41 115.29 8990.18 37528.63 01:53:01 AM 116.13 69.72 46.41 6900.35 7633.18 01:54:01 AM 105.43 25.10 80.32 1563.64 10517.20 Average: 132.09 51.41 80.68 5818.76 18563.88 01:51:01 AM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:52:01 AM 76320 1805236 95.94 2620 1137836 1250280 42.67 558540 1040376 84244 01:53:01 AM 81120 1800436 95.69 2620 1134716 1159956 39.59 659768 955780 66028 01:54:01 AM 103840 1777716 94.48 2596 1101192 1109508 37.87 623220 922524 86424 Average: 87093 1794463 95.37 2612 1124581 1173248 40.04 613843 972893 78899 01:51:01 AM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 01:52:01 AM eth0 1046.51 802.98 4457.24 145.92 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 vethb4723ec 36.33 48.13 2.90 295.26 0.00 0.00 0.00 01:52:01 AM docker0 36.33 48.00 2.40 295.25 0.00 0.00 0.00 01:53:01 AM eth0 436.14 292.63 812.49 940.21 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 0.10 0.07 0.00 0.01 0.00 0.00 0.00 01:54:01 AM eth0 20.43 14.65 98.82 4.40 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 501.15 370.18 1790.11 363.46 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 12.15 16.03 0.80 98.46 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) 01:50:34 AM LINUX RESTART 01:51:01 AM CPU %user %nice %system %iowait %steal %idle 01:52:01 AM all 23.11 0.00 8.62 4.13 0.12 64.01 01:52:01 AM 0 24.86 0.00 10.17 5.87 0.12 58.98 01:52:01 AM 1 29.31 0.00 8.86 4.05 0.10 57.67 01:52:01 AM 2 20.44 0.00 8.68 1.50 0.15 69.23 01:52:01 AM 3 17.88 0.00 6.80 5.15 0.09 70.09 01:53:01 AM all 17.04 0.00 2.87 2.30 0.09 77.70 01:53:01 AM 0 39.64 0.00 5.11 2.67 0.12 52.47 01:53:01 AM 1 4.37 0.00 2.05 1.11 0.08 92.39 01:53:01 AM 2 12.84 0.00 2.48 2.31 0.12 82.25 01:53:01 AM 3 12.10 0.00 1.89 3.13 0.07 82.81 01:54:01 AM all 14.27 0.00 3.30 1.71 0.03 80.69 01:54:01 AM 0 20.42 0.00 3.11 1.73 0.02 74.72 01:54:01 AM 1 11.30 0.00 3.37 1.23 0.05 84.05 01:54:01 AM 2 15.82 0.00 4.45 2.27 0.05 77.41 01:54:01 AM 3 9.56 0.00 2.26 1.60 0.02 86.56 Average: all 18.12 0.00 4.92 2.71 0.08 74.17 Average: 0 28.22 0.00 6.12 3.42 0.09 62.15 Average: 1 14.89 0.00 4.73 2.12 0.08 78.18 Average: 2 16.36 0.00 5.20 2.03 0.11 76.31 Average: 3 13.16 0.00 3.64 3.29 0.06 79.86