---> uname -a: Linux prd-centos7-docker-4c-2g-3770.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 7.2G 43G 15% / tmpfs 184M 0 184M 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 1837 552 79 16 1205 1088 Swap: 1023 0 1023 ---> 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:3c:69:dc brd ff:ff:ff:ff:ff:ff inet 10.30.123.63/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86225sec preferred_lft 86225sec inet6 fe80::f816:3eff:fe3c:69dc/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN group default link/ether 02:42:5c:d3:c8:09 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 ---> sar -b -r -n DEV: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 10/06/2020 _x86_64_ (4 CPU) 09:09:10 PM LINUX RESTART 09:10:01 PM tps rtps wtps bread/s bwrtn/s 09:11:01 PM 109.26 54.14 55.12 5392.11 7100.23 09:12:01 PM 95.74 19.22 76.52 794.40 7965.25 Average: 102.50 36.68 65.82 3093.64 7532.67 09:10:01 PM kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:11:01 PM 78304 1803252 95.84 2620 1216148 1068300 36.46 469400 1152304 33880 09:12:01 PM 90224 1791332 95.20 2620 1149256 1099960 37.54 486932 1079392 54660 Average: 84264 1797292 95.52 2620 1182702 1084130 37.00 478166 1115848 44270 09:10:01 PM IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 09:11:01 PM eth0 119.76 81.94 826.08 13.13 0.00 0.00 0.00 09:11:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:11:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:12:01 PM eth0 41.72 33.99 122.51 38.86 0.00 0.00 0.00 09:12:01 PM lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:12:01 PM docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 80.74 57.97 474.36 25.99 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 10/06/2020 _x86_64_ (4 CPU) 09:09:10 PM LINUX RESTART 09:10:01 PM CPU %user %nice %system %iowait %steal %idle 09:11:01 PM all 14.91 0.00 2.24 2.20 0.04 80.62 09:11:01 PM 0 34.84 0.00 3.44 3.54 0.05 58.12 09:11:01 PM 1 9.80 0.00 2.15 1.63 0.03 86.38 09:11:01 PM 2 9.01 0.00 1.79 1.63 0.02 87.55 09:11:01 PM 3 6.44 0.00 1.60 2.00 0.03 89.92 09:12:01 PM all 16.29 0.00 3.19 2.14 0.13 78.25 09:12:01 PM 0 17.55 0.00 2.85 2.59 0.12 76.89 09:12:01 PM 1 7.28 0.00 1.92 1.68 0.15 88.96 09:12:01 PM 2 31.86 0.00 6.06 2.41 0.12 59.54 09:12:01 PM 3 8.77 0.00 2.02 1.87 0.13 87.20 Average: all 15.60 0.00 2.72 2.17 0.08 79.43 Average: 0 26.13 0.00 3.14 3.06 0.09 67.58 Average: 1 8.54 0.00 2.04 1.66 0.09 87.67 Average: 2 20.31 0.00 3.90 2.02 0.07 73.70 Average: 3 7.60 0.00 1.81 1.94 0.08 88.56