---> uname -a: Linux 9e37e7cab4f4 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 8.5G 41.5G 17% / 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 8.5G 41.5G 17% /etc/resolv.conf /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hostname /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hosts /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/sa /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/_app-service-configurable_master /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/_app-service-configurable_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 778 112 0 946 990 Swap: 1023 2 1021 ---> 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 24: eth0@if25: 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) 08/31/20 _x86_64_ (4 CPU) 21:48:49 LINUX RESTART 21:50:01 tps rtps wtps bread/s bwrtn/s 21:51:01 2.41 0.00 2.41 0.00 51.98 21:52:01 0.17 0.00 0.17 0.00 1.75 21:53:01 0.30 0.00 0.30 0.00 3.50 21:54:01 0.23 0.00 0.23 0.00 2.70 21:55:01 0.70 0.00 0.70 0.00 8.79 21:56:01 0.82 0.02 0.80 0.13 8.99 21:57:01 270.83 156.08 114.75 7073.21 34648.51 21:58:01 213.26 83.09 130.17 4318.32 32765.29 Average: 61.12 29.91 31.21 1424.52 8440.08 21:50:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:51:01 171164 1710392 90.90 2620 1164808 1115992 38.09 417512 1133192 20 21:52:01 174708 1706848 90.71 2620 1164812 1078492 36.81 416256 1131176 8 21:53:01 174780 1706776 90.71 2620 1164820 1078716 36.81 417044 1131176 16 21:54:01 173220 1708336 90.79 2620 1164820 1078560 36.81 420148 1129580 12 21:55:01 172228 1709328 90.85 2620 1164824 1078656 36.81 420736 1129580 8 21:56:01 173116 1708440 90.80 2620 1164856 1078560 36.81 420152 1129584 12 21:57:01 180544 1701012 90.40 2620 1051300 1304844 44.53 582508 919296 52 21:58:01 218452 1663104 88.39 1596 916896 1304912 44.53 613308 757884 48 Average: 179777 1701780 90.45 2492 1119642 1139842 38.90 463458 1057684 22 21:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:51:01 eth0 2.93 1.57 2.47 0.29 0.00 0.00 0.00 21:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:52:01 eth0 0.67 0.08 0.05 0.01 0.00 0.00 0.00 21:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:53:01 eth0 1.57 0.53 0.61 0.36 0.00 0.00 0.00 21:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:54:01 eth0 0.12 0.08 0.01 0.04 0.00 0.00 0.00 21:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:55:01 eth0 0.30 0.20 0.14 0.07 0.00 0.00 0.00 21:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:56:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 21:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:57:01 eth0 240.72 175.94 4265.52 75.73 0.00 0.00 0.00 21:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:57:01 vethb67307d 0.37 0.47 0.11 0.19 0.00 0.00 0.00 21:57:01 docker0 39.52 37.99 4.17 306.10 0.00 0.00 0.00 21:58:01 vethabf7b0c 1.73 1.20 0.25 0.21 0.00 0.00 0.00 21:58:01 eth0 883.42 594.47 8809.40 244.72 0.00 0.00 0.00 21:58:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 21:58:01 docker0 30.07 36.91 1.84 201.08 0.00 0.00 0.00 Average: vethabf7b0c 0.22 0.15 0.03 0.03 0.00 0.00 0.00 Average: eth0 110.49 74.35 1101.84 30.61 0.00 0.00 0.00 Average: lo 0.01 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 8.70 9.37 0.75 63.42 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) 08/31/20 _x86_64_ (4 CPU) 21:48:49 LINUX RESTART 21:50:01 CPU %user %nice %system %iowait %steal %idle 21:51:01 all 0.18 0.00 0.06 0.00 0.00 99.76 21:51:01 0 0.03 0.00 0.05 0.00 0.02 99.90 21:51:01 1 0.08 0.00 0.08 0.00 0.00 99.83 21:51:01 2 0.10 0.00 0.07 0.00 0.00 99.83 21:51:01 3 0.48 0.00 0.05 0.00 0.00 99.47 21:52:01 all 0.17 0.00 0.04 0.00 0.00 99.79 21:52:01 0 0.02 0.00 0.03 0.00 0.00 99.95 21:52:01 1 0.10 0.00 0.08 0.00 0.00 99.82 21:52:01 2 0.03 0.00 0.02 0.00 0.00 99.95 21:52:01 3 0.53 0.00 0.03 0.00 0.00 99.43 21:53:01 all 0.14 0.00 0.04 0.00 0.00 99.82 21:53:01 0 0.03 0.00 0.02 0.00 0.00 99.95 21:53:01 1 0.12 0.00 0.07 0.00 0.00 99.82 21:53:01 2 0.03 0.00 0.03 0.00 0.00 99.93 21:53:01 3 0.40 0.00 0.03 0.00 0.00 99.57 21:54:01 all 0.04 0.00 0.05 0.00 0.00 99.92 21:54:01 0 0.02 0.00 0.02 0.00 0.00 99.97 21:54:01 1 0.07 0.00 0.08 0.00 0.00 99.85 21:54:01 2 0.05 0.00 0.07 0.00 0.00 99.88 21:54:01 3 0.03 0.00 0.02 0.00 0.00 99.95 21:55:01 all 0.04 0.00 0.04 0.00 0.00 99.92 21:55:01 0 0.05 0.00 0.03 0.00 0.00 99.92 21:55:01 1 0.05 0.00 0.10 0.00 0.00 99.85 21:55:01 2 0.02 0.00 0.02 0.00 0.00 99.97 21:55:01 3 0.02 0.00 0.02 0.00 0.00 99.97 21:56:01 all 0.05 0.00 0.04 0.00 0.00 99.90 21:56:01 0 0.03 0.00 0.03 0.00 0.00 99.93 21:56:01 1 0.13 0.00 0.05 0.00 0.00 99.82 21:56:01 2 0.02 0.00 0.03 0.00 0.00 99.95 21:56:01 3 0.03 0.00 0.03 0.00 0.00 99.93 21:57:01 all 9.95 0.00 6.73 2.15 0.03 81.14 21:57:01 0 9.54 0.00 6.58 2.22 0.02 81.64 21:57:01 1 9.19 0.00 6.98 1.77 0.03 82.02 21:57:01 2 10.53 0.00 7.36 1.42 0.05 80.64 21:57:01 3 10.53 0.00 5.99 3.20 0.03 80.25 21:58:01 all 11.44 0.00 8.21 3.11 0.03 77.22 21:58:01 0 8.98 0.00 7.70 0.90 0.02 82.40 21:58:01 1 12.15 0.00 8.95 3.96 0.02 74.92 21:58:01 2 10.75 0.00 8.01 5.88 0.02 75.35 21:58:01 3 13.87 0.00 8.20 1.69 0.03 76.21 Average: all 2.72 0.00 1.88 0.65 0.01 94.74 Average: 0 2.31 0.00 1.79 0.38 0.01 95.51 Average: 1 2.71 0.00 2.03 0.71 0.01 94.54 Average: 2 2.66 0.00 1.93 0.90 0.01 94.50 Average: 3 3.20 0.00 1.77 0.60 0.01 94.41