---> uname -a: Linux e36b80d75a6a 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% /w/workspace/dry_go-mod-core-contracts_PR-236 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dry_go-mod-core-contracts_PR-236@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 636 111 0 1088 1095 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) 06/19/20 _x86_64_ (4 CPU) 13:50:45 LINUX RESTART 13:51:01 tps rtps wtps bread/s bwrtn/s 13:52:01 142.38 85.37 57.01 6986.72 37760.79 13:53:01 0.87 0.02 0.85 2.13 11.59 13:54:01 0.38 0.00 0.38 0.00 5.56 13:55:01 0.17 0.00 0.17 0.00 1.33 13:56:01 0.15 0.00 0.15 0.00 1.62 13:57:01 0.37 0.00 0.37 0.00 5.25 13:58:01 0.25 0.00 0.25 0.00 2.73 13:59:01 45.94 11.49 34.45 4523.21 2548.88 14:00:01 1.53 0.00 1.53 0.00 27.95 14:01:01 0.28 0.02 0.27 0.13 3.91 14:02:01 0.48 0.12 0.37 2.13 6.09 14:03:01 0.22 0.00 0.22 0.00 2.83 14:04:01 139.32 91.16 48.16 6987.18 19051.89 Average: 25.57 14.48 11.09 1423.66 4573.43 13:51:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:52:01 136300 1745256 92.76 2620 1313180 993520 33.91 266672 1323448 20 13:53:01 140164 1741392 92.55 2620 1313252 975332 33.29 263688 1323456 8 13:54:01 139860 1741696 92.57 2620 1313260 975332 33.29 265116 1322912 8 13:55:01 139908 1741648 92.56 2620 1313264 975332 33.29 265148 1322912 8 13:56:01 137324 1744232 92.70 2620 1313268 975332 33.29 267460 1323104 8 13:57:01 135520 1746036 92.80 2620 1313272 975404 33.29 276764 1316096 8 13:58:01 135232 1746324 92.81 2620 1313276 975380 33.29 276700 1316096 8 13:59:01 170652 1710904 90.93 2620 1163528 1114796 38.05 364056 1185616 24 14:00:01 164416 1717140 91.26 2620 1163532 1082004 36.93 390860 1166244 8 14:01:01 161796 1719760 91.40 2620 1163540 1085032 37.03 392744 1166244 8 14:02:01 163484 1718072 91.31 2620 1163676 1082672 36.95 391792 1166320 8 14:03:01 162876 1718680 91.34 2620 1163684 1082780 36.95 392272 1166320 8 14:04:01 82224 1799332 95.63 2620 1157908 1279920 43.68 452500 1135688 4644 Average: 143827 1737729 92.36 2620 1243742 1044064 35.63 328136 1248804 367 13:51:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 13:52:01 eth0 135.80 76.10 361.13 21.62 0.00 0.00 0.00 13:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:53:01 eth0 0.07 0.08 0.01 0.01 0.00 0.00 0.00 13:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:54:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 13:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:55:01 eth0 0.07 0.08 0.01 0.01 0.00 0.00 0.00 13:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:56:01 eth0 0.07 0.08 0.01 0.01 0.00 0.00 0.00 13:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:57:01 eth0 0.20 0.20 0.08 0.07 0.00 0.00 0.00 13:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:58:01 eth0 0.20 0.20 0.07 0.01 0.00 0.00 0.00 13:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:59:01 eth0 301.05 198.70 684.36 77.59 0.00 0.00 0.00 13:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:59:01 docker0 3.61 2.90 0.73 8.62 0.00 0.00 0.00 14:00:01 eth0 0.67 0.07 0.06 0.01 0.00 0.00 0.00 14:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:01:01 eth0 2.91 1.07 3.11 0.22 0.00 0.00 0.00 14:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:02:01 eth0 0.33 0.23 0.14 0.11 0.00 0.00 0.00 14:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:03:01 eth0 0.73 0.38 0.31 0.20 0.00 0.00 0.00 14:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:04:01 eth0 109.51 69.25 2335.84 12.66 0.00 0.00 0.00 14:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 42.45 26.66 260.47 8.66 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.28 0.22 0.06 0.66 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) 06/19/20 _x86_64_ (4 CPU) 13:50:45 LINUX RESTART 13:51:01 CPU %user %nice %system %iowait %steal %idle 13:52:01 all 10.17 0.00 5.77 4.90 0.04 79.13 13:52:01 0 9.44 0.00 6.08 4.14 0.03 80.31 13:52:01 1 11.29 0.00 5.18 4.26 0.05 79.21 13:52:01 2 10.15 0.00 5.58 4.69 0.03 79.55 13:52:01 3 9.80 0.00 6.24 6.52 0.05 77.39 13:53:01 all 0.13 0.00 0.04 0.00 0.00 99.83 13:53:01 0 0.47 0.00 0.03 0.00 0.00 99.50 13:53:01 1 0.03 0.00 0.05 0.00 0.00 99.92 13:53:01 2 0.02 0.00 0.05 0.00 0.00 99.93 13:53:01 3 0.03 0.00 0.03 0.00 0.00 99.93 13:54:01 all 0.12 0.00 0.03 0.00 0.00 99.85 13:54:01 0 0.42 0.00 0.02 0.00 0.00 99.57 13:54:01 1 0.02 0.00 0.03 0.00 0.00 99.95 13:54:01 2 0.02 0.00 0.03 0.00 0.00 99.95 13:54:01 3 0.03 0.00 0.02 0.00 0.00 99.95 13:55:01 all 0.15 0.00 0.03 0.00 0.00 99.82 13:55:01 0 0.28 0.00 0.03 0.00 0.00 99.68 13:55:01 1 0.05 0.00 0.03 0.00 0.00 99.92 13:55:01 2 0.23 0.00 0.03 0.00 0.00 99.73 13:55:01 3 0.02 0.00 0.03 0.00 0.00 99.95 13:56:01 all 0.15 0.00 0.03 0.00 0.00 99.82 13:56:01 0 0.03 0.00 0.03 0.00 0.00 99.93 13:56:01 1 0.03 0.00 0.08 0.00 0.00 99.88 13:56:01 2 0.52 0.00 0.02 0.00 0.00 99.47 13:56:01 3 0.02 0.00 0.03 0.00 0.00 99.95 13:57:01 all 0.15 0.00 0.04 0.00 0.00 99.82 13:57:01 0 0.03 0.00 0.02 0.00 0.00 99.95 13:57:01 1 0.02 0.00 0.07 0.00 0.00 99.92 13:57:01 2 0.52 0.00 0.02 0.00 0.00 99.47 13:57:01 3 0.03 0.00 0.03 0.00 0.00 99.93 13:58:01 all 0.14 0.00 0.02 0.00 0.00 99.83 13:58:01 0 0.02 0.00 0.00 0.00 0.00 99.98 13:58:01 1 0.02 0.00 0.02 0.00 0.00 99.97 13:58:01 2 0.50 0.00 0.03 0.00 0.00 99.47 13:58:01 3 0.03 0.00 0.05 0.00 0.00 99.92 13:59:01 all 5.42 0.00 2.09 1.83 0.01 90.65 13:59:01 0 5.12 0.00 2.31 0.55 0.00 92.02 13:59:01 1 5.53 0.00 1.86 2.21 0.02 90.38 13:59:01 2 6.35 0.00 2.11 2.34 0.02 89.19 13:59:01 3 4.69 0.00 2.09 2.21 0.02 90.99 14:00:01 all 0.03 0.00 0.03 0.00 0.00 99.93 14:00:01 0 0.02 0.00 0.03 0.00 0.02 99.93 14:00:01 1 0.02 0.00 0.05 0.00 0.00 99.93 14:00:01 2 0.02 0.00 0.02 0.00 0.00 99.97 14:00:01 3 0.08 0.00 0.05 0.00 0.00 99.87 14:01:01 all 0.10 0.00 0.05 0.00 0.00 99.85 14:01:01 0 0.07 0.00 0.02 0.00 0.00 99.92 14:01:01 1 0.20 0.00 0.08 0.00 0.00 99.72 14:01:01 2 0.08 0.00 0.03 0.00 0.00 99.88 14:01:01 3 0.07 0.00 0.07 0.00 0.00 99.87 14:02:01 all 0.15 0.00 0.03 0.00 0.00 99.81 14:02:01 0 0.02 0.00 0.02 0.00 0.00 99.97 14:02:01 1 0.50 0.00 0.03 0.00 0.00 99.47 14:02:01 2 0.02 0.00 0.03 0.00 0.00 99.95 14:02:01 3 0.03 0.00 0.03 0.00 0.00 99.93 14:03:01 all 0.16 0.00 0.03 0.00 0.00 99.81 14:03:01 0 0.03 0.00 0.03 0.00 0.00 99.93 14:03:01 1 0.52 0.00 0.03 0.00 0.00 99.45 14:03:01 2 0.05 0.00 0.03 0.00 0.00 99.92 14:03:01 3 0.03 0.00 0.03 0.00 0.00 99.93 14:04:01 all 5.07 0.00 2.79 2.02 0.02 90.10 14:04:01 0 4.39 0.00 2.80 2.26 0.00 90.54 14:04:01 1 5.21 0.00 2.46 1.46 0.02 90.85 14:04:01 2 4.84 0.00 2.90 3.10 0.02 89.14 14:04:01 3 5.84 0.00 2.96 1.29 0.02 89.89 Average: all 1.68 0.00 0.84 0.67 0.01 96.80 Average: 0 1.56 0.00 0.88 0.53 0.00 97.03 Average: 1 1.80 0.00 0.77 0.61 0.01 96.82 Average: 2 1.79 0.00 0.83 0.78 0.01 96.60 Average: 3 1.58 0.00 0.89 0.77 0.01 96.75