---> uname -a: Linux 4bba799e719f 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 6.9G 43.0G 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 6.9G 43.0G 14% /etc/resolv.conf /dev/vda1 50.0G 6.9G 43.0G 14% /etc/hostname /dev/vda1 50.0G 6.9G 43.0G 14% /etc/hosts /dev/vda1 50.0G 6.9G 43.0G 14% /w/workspace/exfoundry_go-mod-messaging_PR-62@tmp /dev/vda1 50.0G 6.9G 43.0G 14% /var/log/sa-host /dev/vda1 50.0G 6.9G 43.0G 14% /w/workspace/exfoundry_go-mod-messaging_PR-62 ---> free -m: total used free shared buff/cache available Mem: 1837 643 139 0 1054 1086 Swap: 1023 0 1023 ---> 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) 09/24/20 _x86_64_ (4 CPU) 21:15:26 LINUX RESTART (4 CPU) 21:16:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:17:01 82.59 36.83 45.76 0.00 7497.04 4939.62 0.00 21:18:01 1.53 0.00 1.53 0.00 0.00 28.04 0.00 21:19:01 0.27 0.00 0.27 0.00 0.00 3.48 0.00 21:20:01 0.28 0.00 0.28 0.00 0.00 2.76 0.00 21:21:01 0.27 0.00 0.27 0.00 0.00 3.45 0.00 21:22:01 0.30 0.00 0.30 0.00 0.00 4.48 0.00 21:23:01 0.25 0.02 0.23 0.00 0.13 2.03 0.00 21:24:02 0.75 0.00 0.75 0.00 0.00 8.54 0.00 21:25:01 0.63 0.00 0.63 0.00 0.00 6.50 0.00 21:26:01 0.63 0.00 0.63 0.00 0.00 8.33 0.00 21:27:01 0.63 0.00 0.63 0.00 0.00 6.93 0.00 Average: 7.91 3.31 4.61 0.00 672.72 450.02 0.00 21:16:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:17:01 162824 0 567080 30.14 2620 1149032 1097680 37.46 399028 1158764 120 21:18:01 168412 0 561488 29.84 2620 1149036 1067576 36.43 398512 1155028 20 21:19:01 169260 0 560576 29.79 2620 1149100 1059328 36.15 399344 1153348 24 21:20:01 168372 0 561520 29.84 2620 1149044 1059328 36.15 400988 1152744 16 21:21:01 168376 0 561512 29.84 2620 1149048 1059328 36.15 407268 1146608 8 21:22:01 167492 0 562384 29.89 2620 1149060 1059412 36.16 408412 1146608 8 21:23:01 167860 0 562012 29.87 2620 1149064 1059328 36.15 407856 1146612 8 21:24:02 168092 0 561772 29.86 2620 1149072 1059328 36.15 398648 1155828 8 21:25:01 168024 0 561836 29.86 2620 1149076 1059328 36.15 398900 1155828 8 21:26:01 167444 0 562408 29.89 2620 1149084 1059448 36.16 396892 1158504 8 21:27:01 167376 0 562476 29.89 2620 1149084 1059424 36.16 396804 1158500 8 Average: 167594 0 562279 29.88 2620 1149064 1063592 36.30 401150 1153488 21 21:16:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:17:01 eth0 311.30 224.44 1052.89 91.79 0.00 0.00 0.00 0.00 21:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:17:01 docker0 1.24 1.18 0.28 2.53 0.00 0.00 0.00 0.00 21:18:01 eth0 0.58 0.28 0.28 0.17 0.00 0.00 0.00 0.00 21:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:19:01 eth0 0.12 0.08 0.01 0.04 0.00 0.00 0.00 0.00 21:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 0.00 21:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:21:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 0.00 21:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:22:01 eth0 0.25 0.18 0.14 0.07 0.00 0.00 0.00 0.00 21:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:23:01 eth0 0.13 0.08 0.01 0.01 0.00 0.00 0.00 0.00 21:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:24:02 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 0.00 21:24:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:24:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:25:01 eth0 0.83 0.10 0.07 0.01 0.00 0.00 0.00 0.00 21:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:26:01 eth0 0.52 0.38 0.30 0.20 0.00 0.00 0.00 0.00 21:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:27:01 eth0 0.20 0.15 0.08 0.07 0.00 0.00 0.00 0.00 21:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 28.20 20.28 94.56 8.29 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.11 0.11 0.02 0.23 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) 09/24/20 _x86_64_ (4 CPU) 21:15:26 LINUX RESTART (4 CPU) 21:16:02 CPU %user %nice %system %iowait %steal %idle 21:17:01 all 13.37 0.00 5.62 2.42 0.13 78.46 21:17:01 0 11.94 0.00 5.99 1.34 0.14 80.59 21:17:01 1 13.69 0.00 5.67 6.03 0.14 74.47 21:17:01 2 13.08 0.00 5.66 1.65 0.15 79.46 21:17:01 3 14.75 0.00 5.15 0.65 0.10 79.34 21:18:01 all 0.17 0.00 0.05 0.00 0.00 99.77 21:18:01 0 0.27 0.00 0.10 0.00 0.00 99.63 21:18:01 1 0.25 0.00 0.03 0.00 0.00 99.72 21:18:01 2 0.08 0.00 0.05 0.00 0.02 99.85 21:18:01 3 0.07 0.00 0.03 0.00 0.00 99.90 21:19:01 all 0.16 0.00 0.04 0.00 0.00 99.79 21:19:01 0 0.02 0.00 0.03 0.00 0.00 99.95 21:19:01 1 0.52 0.00 0.03 0.00 0.00 99.45 21:19:01 2 0.07 0.00 0.07 0.00 0.00 99.87 21:19:01 3 0.05 0.00 0.03 0.00 0.02 99.90 21:20:01 all 0.13 0.00 0.03 0.00 0.00 99.84 21:20:01 0 0.03 0.00 0.00 0.00 0.00 99.97 21:20:01 1 0.43 0.00 0.07 0.00 0.00 99.50 21:20:01 2 0.00 0.00 0.02 0.00 0.00 99.98 21:20:01 3 0.07 0.00 0.03 0.00 0.00 99.90 21:21:01 all 0.04 0.00 0.07 0.00 0.00 99.89 21:21:01 0 0.00 0.00 0.02 0.00 0.00 99.98 21:21:01 1 0.10 0.00 0.08 0.00 0.02 99.80 21:21:01 2 0.03 0.00 0.15 0.00 0.00 99.82 21:21:01 3 0.03 0.00 0.02 0.00 0.00 99.95 21:22:01 all 0.02 0.00 0.05 0.00 0.00 99.92 21:22:01 0 0.02 0.00 0.02 0.00 0.00 99.97 21:22:01 1 0.03 0.00 0.05 0.00 0.00 99.92 21:22:01 2 0.02 0.00 0.12 0.00 0.02 99.85 21:22:01 3 0.02 0.00 0.02 0.00 0.00 99.97 21:23:01 all 0.15 0.00 0.02 0.00 0.00 99.83 21:23:01 0 0.02 0.00 0.02 0.00 0.00 99.97 21:23:01 1 0.50 0.00 0.03 0.00 0.00 99.47 21:23:01 2 0.05 0.00 0.03 0.00 0.00 99.92 21:23:01 3 0.02 0.00 0.02 0.00 0.00 99.97 21:24:02 all 0.15 0.00 0.03 0.00 0.00 99.82 21:24:02 0 0.02 0.00 0.02 0.00 0.00 99.97 21:24:02 1 0.52 0.00 0.02 0.00 0.00 99.47 21:24:02 2 0.03 0.00 0.07 0.00 0.00 99.90 21:24:02 3 0.03 0.00 0.02 0.00 0.00 99.95 21:25:01 all 0.15 0.00 0.02 0.00 0.00 99.83 21:25:01 0 0.02 0.00 0.02 0.00 0.00 99.97 21:25:01 1 0.51 0.00 0.00 0.00 0.00 99.49 21:25:01 2 0.05 0.00 0.03 0.00 0.00 99.92 21:25:01 3 0.03 0.00 0.02 0.00 0.00 99.95 21:26:01 all 0.16 0.00 0.03 0.00 0.00 99.81 21:26:01 0 0.05 0.00 0.02 0.00 0.00 99.93 21:26:01 1 0.52 0.00 0.03 0.00 0.00 99.45 21:26:01 2 0.05 0.00 0.03 0.00 0.00 99.92 21:26:01 3 0.02 0.00 0.03 0.00 0.00 99.95 21:27:01 all 0.15 0.00 0.02 0.00 0.00 99.83 21:27:01 0 0.03 0.00 0.05 0.00 0.00 99.92 21:27:01 1 0.52 0.00 0.00 0.00 0.00 99.48 21:27:01 2 0.03 0.00 0.02 0.00 0.00 99.95 21:27:01 3 0.02 0.00 0.00 0.00 0.00 99.98 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.30 0.00 0.53 0.21 0.01 97.94 Average: 0 1.10 0.00 0.56 0.12 0.01 98.22 Average: 1 1.57 0.00 0.53 0.53 0.01 97.35 Average: 2 1.20 0.00 0.56 0.15 0.02 98.08 Average: 3 1.34 0.00 0.48 0.06 0.01 98.12