---> uname -a: Linux 21d62f20d6dd 3.10.0-1127.el7.x86_64 #1 SMP Tue Mar 31 23:36:51 UTC 2020 x86_64 Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian Address sizes: 40 bits physical, 48 bits virtual 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: 2933.438 BogoMIPS: 5866.87 Virtualization: VT-x Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB L1i cache: 128 KiB L2 cache: 16 MiB L3 cache: 64 MiB NUMA node0 CPU(s): 0-3 Vulnerability Itlb multihit: KVM: Mitigation: Split huge pages Vulnerability L1tf: Mitigation; PTE Inversion; VMX conditional cache flushes, SMT disabled Vulnerability Mds: Vulnerable: Clear CPU buffers attempted, no microcode; SMT Host state unknown Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline, IBPB Vulnerability Tsx async abort: Not affected 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 Available Use% Mounted on overlay 50.0G 7.2G 42.8G 14% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 918.7M 0 918.7M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 7.2G 42.8G 14% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hostname /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hosts /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/y_app-service-configurable_PR-90 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/y_app-service-configurable_PR-90@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 655 121 0 1060 1076 Swap: 1023 1 1022 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN 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 6: eth0@if7: mtu 1458 qdisc noqueue state UP link/ether 02:42:0a:fa:00:01 brd ff:ff:ff:ff:ff:ff inet 10.250.0.1/24 brd 10.250.0.255 scope global eth0 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) 07/08/20 _x86_64_ (4 CPU) 14:57:34 LINUX RESTART 14:58:01 tps rtps wtps bread/s bwrtn/s 14:59:01 90.01 38.63 51.38 7461.25 5104.78 15:00:01 1.48 0.00 1.48 0.00 28.98 15:01:01 0.37 0.02 0.35 0.13 5.18 15:02:01 0.83 0.12 0.72 2.13 8.77 15:03:01 0.63 0.00 0.63 0.00 8.01 15:04:02 0.55 0.00 0.55 0.00 7.46 15:05:01 0.19 0.02 0.17 0.14 1.91 15:06:01 0.20 0.00 0.20 0.00 1.77 15:07:01 0.30 0.00 0.30 0.00 3.83 15:08:01 0.25 0.00 0.25 0.00 3.43 15:09:01 0.23 0.00 0.23 0.00 2.03 Average: 8.66 3.53 5.13 679.95 471.55 14:58:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:59:01 171456 1710100 90.89 2620 1134496 1117040 38.12 447992 1102568 120 15:00:01 177040 1704516 90.59 2620 1134544 1080376 36.87 445752 1100148 20 15:01:01 175136 1706420 90.69 2620 1134552 1082896 36.96 447560 1100136 8 15:02:01 175708 1705848 90.66 2620 1134692 1080948 36.89 447956 1099636 12 15:03:01 174428 1707128 90.73 2620 1134696 1081196 36.90 457516 1091232 8 15:04:02 174668 1706888 90.72 2620 1134700 1081136 36.90 457220 1091232 8 15:05:01 174400 1707156 90.73 2620 1134708 1081324 36.90 473276 1075440 8 15:06:01 175484 1706072 90.67 2620 1134712 1081144 36.90 463380 1084320 8 15:07:01 175856 1705700 90.65 2620 1134720 1081144 36.90 463416 1084320 8 15:08:01 175696 1705860 90.66 2620 1134728 1081144 36.90 460344 1087400 8 15:09:01 175164 1706392 90.69 2620 1134732 1081228 36.90 460772 1087400 8 Average: 175003 1706553 90.70 2620 1134662 1084507 37.01 456835 1091257 20 14:58:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 14:59:01 eth0 471.62 274.92 1039.59 91.87 0.00 0.00 0.00 14:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:59:01 docker0 1.56 1.35 0.40 2.84 0.00 0.00 0.00 15:00:01 eth0 0.95 0.08 0.09 0.01 0.00 0.00 0.00 15:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:01:01 eth0 1.23 0.52 0.66 0.21 0.00 0.00 0.00 15:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:02:01 eth0 0.38 0.08 0.04 0.01 0.00 0.00 0.00 15:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:03:01 eth0 0.68 0.30 0.29 0.20 0.00 0.00 0.00 15:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:04:02 eth0 0.82 0.22 0.19 0.07 0.00 0.00 0.00 15:04:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:04:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:05:01 eth0 0.51 0.37 0.27 0.21 0.00 0.00 0.00 15:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:06:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 15:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:07:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 15:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:08:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 15:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:09:01 eth0 0.22 0.17 0.08 0.07 0.00 0.00 0.00 15:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 43.43 25.23 94.86 8.44 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.14 0.12 0.04 0.26 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) 07/08/20 _x86_64_ (4 CPU) 14:57:34 LINUX RESTART 14:58:01 CPU %user %nice %system %iowait %steal %idle 14:59:01 all 13.62 0.00 5.23 2.79 0.02 78.34 14:59:01 0 12.89 0.00 6.19 1.68 0.02 79.22 14:59:01 1 12.87 0.00 4.90 3.62 0.00 78.61 14:59:01 2 16.14 0.00 4.78 1.54 0.02 77.53 14:59:01 3 12.57 0.00 5.06 4.35 0.02 78.01 15:00:01 all 0.14 0.00 0.03 0.00 0.00 99.83 15:00:01 0 0.03 0.00 0.07 0.00 0.00 99.90 15:00:01 1 0.03 0.00 0.03 0.00 0.02 99.92 15:00:01 2 0.43 0.00 0.03 0.00 0.00 99.53 15:00:01 3 0.05 0.00 0.03 0.00 0.00 99.92 15:01:01 all 0.15 0.00 0.04 0.00 0.00 99.80 15:01:01 0 0.02 0.00 0.03 0.00 0.00 99.95 15:01:01 1 0.07 0.00 0.05 0.00 0.00 99.88 15:01:01 2 0.47 0.00 0.03 0.00 0.00 99.50 15:01:01 3 0.03 0.00 0.03 0.00 0.00 99.93 15:02:01 all 0.13 0.00 0.04 0.00 0.00 99.83 15:02:01 0 0.02 0.00 0.03 0.00 0.00 99.95 15:02:01 1 0.03 0.00 0.07 0.00 0.00 99.90 15:02:01 2 0.47 0.00 0.03 0.00 0.00 99.50 15:02:01 3 0.03 0.00 0.03 0.00 0.00 99.93 15:03:01 all 0.17 0.00 0.03 0.00 0.00 99.80 15:03:01 0 0.03 0.00 0.03 0.00 0.00 99.93 15:03:01 1 0.07 0.00 0.07 0.00 0.00 99.87 15:03:01 2 0.50 0.00 0.00 0.00 0.00 99.50 15:03:01 3 0.05 0.00 0.02 0.00 0.00 99.93 15:04:02 all 0.15 0.00 0.03 0.00 0.00 99.82 15:04:02 0 0.02 0.00 0.00 0.00 0.00 99.98 15:04:02 1 0.05 0.00 0.05 0.00 0.00 99.90 15:04:02 2 0.52 0.00 0.02 0.00 0.00 99.47 15:04:02 3 0.03 0.00 0.02 0.00 0.00 99.95 15:05:01 all 0.16 0.00 0.03 0.00 0.00 99.81 15:05:01 0 0.02 0.00 0.03 0.00 0.00 99.95 15:05:01 1 0.03 0.00 0.05 0.00 0.00 99.92 15:05:01 2 0.54 0.00 0.03 0.00 0.00 99.42 15:05:01 3 0.03 0.00 0.03 0.00 0.02 99.92 15:06:01 all 0.14 0.00 0.03 0.00 0.00 99.84 15:06:01 0 0.02 0.00 0.02 0.00 0.00 99.97 15:06:01 1 0.02 0.00 0.02 0.00 0.00 99.97 15:06:01 2 0.50 0.00 0.03 0.00 0.00 99.47 15:06:01 3 0.02 0.00 0.02 0.00 0.00 99.97 15:07:01 all 0.05 0.00 0.03 0.00 0.00 99.91 15:07:01 0 0.03 0.00 0.02 0.00 0.00 99.95 15:07:01 1 0.02 0.00 0.03 0.00 0.00 99.95 15:07:01 2 0.12 0.00 0.05 0.00 0.00 99.83 15:07:01 3 0.05 0.00 0.03 0.00 0.00 99.92 15:08:01 all 0.03 0.00 0.03 0.00 0.00 99.95 15:08:01 0 0.05 0.00 0.05 0.00 0.00 99.90 15:08:01 1 0.02 0.00 0.02 0.00 0.00 99.97 15:08:01 2 0.02 0.00 0.02 0.00 0.00 99.97 15:08:01 3 0.03 0.00 0.05 0.00 0.00 99.92 15:09:01 all 0.15 0.00 0.02 0.00 0.00 99.82 15:09:01 0 0.03 0.00 0.03 0.00 0.00 99.93 15:09:01 1 0.03 0.00 0.03 0.00 0.00 99.93 15:09:01 2 0.02 0.00 0.02 0.00 0.00 99.97 15:09:01 3 0.52 0.00 0.00 0.00 0.00 99.48 Average: all 1.35 0.00 0.50 0.25 0.00 97.90 Average: 0 1.19 0.00 0.59 0.15 0.00 98.07 Average: 1 1.20 0.00 0.48 0.33 0.00 97.99 Average: 2 1.79 0.00 0.46 0.14 0.00 97.62 Average: 3 1.21 0.00 0.48 0.39 0.00 97.91