---> uname -a: Linux 8effd4903bd2 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: 2933.436 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 6.6G 43.4G 13% / 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 6.6G 43.4G 13% /etc/resolv.conf /dev/vda1 50.0G 6.6G 43.4G 13% /etc/hostname /dev/vda1 50.0G 6.6G 43.4G 13% /etc/hosts /dev/vda1 50.0G 6.6G 43.4G 13% /w/workspace/dry_go-mod-core-contracts_PR-301 /dev/vda1 50.0G 6.6G 43.4G 13% /w/workspace/dry_go-mod-core-contracts_PR-301@tmp /dev/vda1 50.0G 6.6G 43.4G 13% /var/log/sa-host ---> free -m: total used free shared buff/cache available Mem: 1837 660 137 0 1039 1070 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) 21:04:10 LINUX RESTART (4 CPU) 21:05:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 21:06:01 60.29 15.65 44.64 0.00 5030.43 4776.57 0.00 21:07:02 2.61 0.00 2.61 0.00 0.00 95.40 0.00 21:08:01 0.41 0.00 0.41 0.00 0.00 5.82 0.00 21:09:01 0.30 0.00 0.30 0.00 0.00 3.65 0.00 21:10:01 0.22 0.00 0.22 0.00 0.00 2.38 0.00 21:11:01 0.25 0.00 0.25 0.00 0.00 3.51 0.00 21:12:01 0.30 0.02 0.28 0.00 0.13 3.36 0.00 21:13:01 0.25 0.00 0.25 0.00 0.00 2.61 0.00 21:14:01 0.30 0.00 0.30 0.00 0.00 3.65 0.00 21:15:01 0.23 0.00 0.23 0.00 0.00 2.98 0.00 21:16:01 0.17 0.00 0.17 0.00 0.00 2.28 0.00 21:17:01 0.22 0.00 0.22 0.00 0.00 3.63 0.00 21:18:01 0.23 0.00 0.23 0.00 0.00 2.98 0.00 21:19:01 76.47 48.15 28.32 0.00 5412.54 5641.78 0.00 Average: 10.18 4.57 5.61 0.00 747.72 755.40 0.00 21:05:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:06:01 169676 0 578496 30.75 2620 1130764 1098336 37.48 419744 1132288 120 21:07:02 171044 0 577124 30.67 2620 1130768 1092880 37.30 423544 1127280 12 21:08:01 173824 0 574336 30.52 2620 1130776 1072320 36.60 422540 1126220 8 21:09:01 172716 0 575444 30.58 2620 1130776 1072320 36.60 424168 1125612 8 21:10:01 172780 0 575376 30.58 2620 1130780 1072404 36.60 429920 1120416 8 21:11:01 170036 0 578112 30.73 2620 1130788 1072380 36.60 432580 1120416 8 21:12:01 170320 0 577820 30.71 2620 1130796 1072320 36.60 432252 1120420 8 21:13:01 170336 0 577796 30.71 2620 1130804 1072320 36.60 421280 1131160 8 21:14:01 170592 0 577536 30.69 2620 1130808 1072320 36.60 421408 1131160 16 21:15:01 169900 0 578220 30.73 2620 1130816 1072404 36.60 419176 1133896 8 21:16:01 168940 0 579180 30.78 2620 1130816 1072500 36.60 419664 1133896 8 21:17:01 169192 0 578924 30.77 2620 1130820 1072488 36.60 419704 1133896 8 21:18:01 169968 0 578140 30.73 2620 1130828 1072496 36.60 419216 1134080 8 21:19:01 101368 0 662824 35.23 2620 1114744 1269200 43.32 454832 1119824 2816 Average: 165764 0 583523 31.01 2620 1129649 1089763 37.19 425716 1127897 217 21:05:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 21:06:01 eth0 253.48 209.40 829.82 90.37 0.00 0.00 0.00 0.00 21:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:06:01 docker0 5.29 3.84 1.03 11.16 0.00 0.00 0.00 0.00 21:07:02 eth0 1.90 1.07 1.07 0.79 0.00 0.00 0.00 0.00 21:07:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:07:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:08:01 eth0 0.22 0.07 0.02 0.01 0.00 0.00 0.00 0.00 21:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:09:01 eth0 0.05 0.02 0.00 0.00 0.00 0.00 0.00 0.00 21:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:01 eth0 0.38 0.15 0.09 0.04 0.00 0.00 0.00 0.00 21:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:11:01 eth0 0.20 0.15 0.07 0.04 0.00 0.00 0.00 0.00 21:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:12:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 0.00 21:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:13:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 0.00 21:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:14:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 21:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:15:01 eth0 7.53 0.18 0.76 0.04 0.00 0.00 0.00 0.00 21:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:16:01 eth0 6.56 0.60 1.10 0.43 0.00 0.00 0.00 0.00 21:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:17:01 eth0 2.98 0.80 0.94 0.60 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:18:01 eth0 0.58 0.28 0.28 0.20 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 83.50 65.24 740.40 10.21 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 Average: eth0 25.61 19.92 112.74 7.36 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 0.38 0.28 0.07 0.80 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) 21:04:10 LINUX RESTART (4 CPU) 21:05:01 CPU %user %nice %system %iowait %steal %idle 21:06:01 all 9.43 0.00 3.44 1.68 0.35 85.10 21:06:01 0 10.41 0.00 4.25 2.77 0.25 82.32 21:06:01 1 8.67 0.00 2.97 1.18 0.44 86.73 21:06:01 2 10.37 0.00 3.46 2.46 0.27 83.45 21:06:01 3 8.30 0.00 3.07 0.32 0.42 87.89 21:07:02 all 0.18 0.00 0.03 0.00 0.01 99.77 21:07:02 0 0.47 0.00 0.05 0.00 0.00 99.48 21:07:02 1 0.07 0.00 0.02 0.00 0.00 99.92 21:07:02 2 0.12 0.00 0.03 0.00 0.03 99.82 21:07:02 3 0.07 0.00 0.03 0.00 0.02 99.88 21:08:01 all 0.17 0.00 0.05 0.00 0.00 99.78 21:08:01 0 0.49 0.00 0.03 0.00 0.02 99.46 21:08:01 1 0.03 0.00 0.05 0.00 0.00 99.92 21:08:01 2 0.08 0.00 0.07 0.00 0.00 99.85 21:08:01 3 0.05 0.00 0.03 0.00 0.00 99.92 21:09:01 all 0.14 0.00 0.03 0.00 0.00 99.84 21:09:01 0 0.45 0.00 0.03 0.00 0.00 99.52 21:09:01 1 0.03 0.00 0.03 0.00 0.00 99.93 21:09:01 2 0.03 0.00 0.02 0.00 0.00 99.95 21:09:01 3 0.03 0.00 0.02 0.00 0.00 99.95 21:10:01 all 0.16 0.00 0.05 0.00 0.01 99.78 21:10:01 0 0.32 0.00 0.13 0.00 0.00 99.55 21:10:01 1 0.07 0.00 0.03 0.00 0.03 99.87 21:10:01 2 0.23 0.00 0.02 0.00 0.02 99.73 21:10:01 3 0.02 0.00 0.02 0.00 0.00 99.97 21:11:01 all 0.15 0.00 0.04 0.00 0.00 99.81 21:11:01 0 0.02 0.00 0.08 0.00 0.00 99.90 21:11:01 1 0.05 0.00 0.07 0.00 0.00 99.88 21:11:01 2 0.52 0.00 0.02 0.00 0.00 99.47 21:11:01 3 0.02 0.00 0.00 0.00 0.00 99.98 21:12:01 all 0.15 0.00 0.02 0.00 0.01 99.82 21:12:01 0 0.02 0.00 0.02 0.00 0.02 99.95 21:12:01 1 0.05 0.00 0.05 0.00 0.02 99.88 21:12:01 2 0.50 0.00 0.02 0.00 0.00 99.48 21:12:01 3 0.02 0.00 0.02 0.00 0.00 99.97 21:13:01 all 0.05 0.00 0.03 0.00 0.00 99.92 21:13:01 0 0.03 0.00 0.02 0.00 0.00 99.95 21:13:01 1 0.02 0.00 0.02 0.00 0.00 99.97 21:13:01 2 0.10 0.00 0.05 0.00 0.00 99.85 21:13:01 3 0.05 0.00 0.03 0.00 0.02 99.90 21:14:01 all 0.13 0.00 0.03 0.00 0.00 99.84 21:14:01 0 0.00 0.00 0.02 0.00 0.00 99.98 21:14:01 1 0.02 0.00 0.02 0.00 0.00 99.97 21:14:01 2 0.43 0.00 0.05 0.00 0.02 99.50 21:14:01 3 0.05 0.00 0.03 0.00 0.00 99.92 21:15:01 all 0.15 0.00 0.03 0.00 0.05 99.77 21:15:01 0 0.03 0.00 0.02 0.00 0.00 99.95 21:15:01 1 0.03 0.00 0.05 0.00 0.03 99.88 21:15:01 2 0.48 0.00 0.03 0.00 0.08 99.40 21:15:01 3 0.05 0.00 0.03 0.00 0.07 99.85 21:16:01 all 0.15 0.00 0.04 0.00 0.06 99.76 21:16:01 0 0.03 0.00 0.03 0.00 0.03 99.90 21:16:01 1 0.07 0.00 0.02 0.00 0.03 99.88 21:16:01 2 0.47 0.00 0.08 0.00 0.12 99.33 21:16:01 3 0.02 0.00 0.02 0.00 0.05 99.92 21:16:01 CPU %user %nice %system %iowait %steal %idle 21:17:01 all 0.15 0.00 0.05 0.00 0.00 99.80 21:17:01 0 0.05 0.00 0.03 0.00 0.00 99.92 21:17:01 1 0.07 0.00 0.03 0.00 0.00 99.90 21:17:01 2 0.43 0.00 0.10 0.00 0.00 99.47 21:17:01 3 0.05 0.00 0.02 0.00 0.02 99.92 21:18:01 all 0.04 0.00 0.04 0.00 0.00 99.91 21:18:01 0 0.03 0.00 0.03 0.00 0.00 99.93 21:18:01 1 0.05 0.00 0.05 0.00 0.00 99.90 21:18:01 2 0.07 0.00 0.05 0.00 0.02 99.87 21:18:01 3 0.02 0.00 0.03 0.00 0.00 99.95 21:19:01 all 2.92 0.00 1.93 0.86 0.05 94.24 21:19:01 0 2.40 0.00 1.69 0.54 0.03 95.34 21:19:01 1 2.97 0.00 2.21 1.37 0.05 93.39 21:19:01 2 3.49 0.00 2.11 0.35 0.05 94.00 21:19:01 3 2.84 0.00 1.71 1.16 0.07 94.23 Average: all 0.99 0.00 0.41 0.18 0.04 98.38 Average: 0 1.04 0.00 0.45 0.23 0.03 98.25 Average: 1 0.86 0.00 0.40 0.18 0.04 98.51 Average: 2 1.23 0.00 0.43 0.20 0.04 98.10 Average: 3 0.82 0.00 0.36 0.11 0.05 98.67