---> uname -a: Linux c635571cd4ba 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: 2933.442 BogoMIPS: 5866.88 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/dry_go-mod-core-contracts_PR-264 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dry_go-mod-core-contracts_PR-264@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 640 123 0 1073 1092 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) 08/12/20 _x86_64_ (4 CPU) 03:51:40 LINUX RESTART 03:52:01 tps rtps wtps bread/s bwrtn/s 03:53:01 179.06 87.73 91.33 10544.34 40276.03 03:54:01 2.91 0.00 2.91 0.00 101.60 03:55:01 0.40 0.00 0.40 0.00 5.16 03:56:01 0.18 0.00 0.18 0.00 2.05 03:57:02 0.27 0.00 0.27 0.00 3.75 03:58:01 94.24 62.47 31.78 5203.45 15302.66 Average: 46.06 24.94 21.12 2618.41 9268.56 03:52:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:53:01 158672 1722884 91.57 2620 1163356 1109472 37.86 446840 1115100 120 03:54:01 163036 1718520 91.34 2620 1163452 1078268 36.80 443952 1113856 16 03:55:01 162316 1719240 91.37 2620 1163456 1078512 36.81 447868 1111180 20 03:56:01 162640 1718916 91.36 2620 1163460 1078524 36.81 447788 1111180 16 03:57:02 162452 1719104 91.37 2620 1163464 1078332 36.80 455736 1103556 12 03:58:01 79428 1802128 95.78 2620 1136260 1512260 51.61 533860 1079872 64312 Average: 148091 1733465 92.13 2620 1158908 1155895 39.45 462674 1105791 10749 03:52:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 03:53:01 eth0 434.00 248.29 1059.48 101.96 0.00 0.00 0.00 03:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:53:01 docker0 4.13 3.30 0.84 9.82 0.00 0.00 0.00 03:54:01 eth0 0.70 0.08 0.06 0.05 0.00 0.00 0.00 03:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:55:01 eth0 1.30 0.80 0.86 0.23 0.00 0.00 0.00 03:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:56:01 eth0 0.98 0.48 0.32 0.18 0.00 0.00 0.00 03:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:57:02 eth0 0.10 0.10 0.01 0.04 0.00 0.00 0.00 03:57:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:57:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:58:01 eth0 99.36 66.67 2368.46 10.14 0.00 0.00 0.00 03:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 89.41 52.72 566.70 18.80 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.69 0.55 0.14 1.64 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) 08/12/20 _x86_64_ (4 CPU) 03:51:40 LINUX RESTART 03:52:01 CPU %user %nice %system %iowait %steal %idle 03:53:01 all 15.44 0.00 8.50 5.04 0.04 70.98 03:53:01 0 15.21 0.00 8.35 5.84 0.03 70.56 03:53:01 1 15.64 0.00 8.07 5.40 0.03 70.86 03:53:01 2 14.38 0.00 7.80 4.96 0.05 72.81 03:53:01 3 16.53 0.00 9.78 3.95 0.05 69.69 03:54:01 all 0.14 0.00 0.05 0.00 0.00 99.81 03:54:01 0 0.05 0.00 0.05 0.00 0.00 99.90 03:54:01 1 0.02 0.00 0.07 0.00 0.00 99.92 03:54:01 2 0.47 0.00 0.03 0.00 0.00 99.50 03:54:01 3 0.05 0.00 0.03 0.00 0.00 99.92 03:55:01 all 0.17 0.00 0.03 0.00 0.00 99.80 03:55:01 0 0.05 0.00 0.03 0.00 0.00 99.92 03:55:01 1 0.07 0.00 0.03 0.00 0.00 99.90 03:55:01 2 0.52 0.00 0.02 0.00 0.00 99.47 03:55:01 3 0.03 0.00 0.03 0.00 0.00 99.93 03:56:01 all 0.13 0.00 0.03 0.00 0.00 99.84 03:56:01 0 0.02 0.00 0.03 0.00 0.00 99.95 03:56:01 1 0.03 0.00 0.05 0.00 0.02 99.90 03:56:01 2 0.43 0.00 0.02 0.00 0.00 99.55 03:56:01 3 0.02 0.00 0.02 0.00 0.00 99.97 03:57:02 all 0.15 0.00 0.04 0.00 0.00 99.82 03:57:02 0 0.05 0.00 0.03 0.00 0.00 99.92 03:57:02 1 0.03 0.00 0.02 0.00 0.00 99.95 03:57:02 2 0.45 0.00 0.02 0.00 0.00 99.53 03:57:02 3 0.07 0.00 0.07 0.00 0.00 99.87 03:58:01 all 4.42 0.00 2.53 1.53 0.01 91.50 03:58:01 0 4.10 0.00 2.62 0.82 0.02 92.45 03:58:01 1 3.98 0.00 2.47 1.04 0.00 92.51 03:58:01 2 4.13 0.00 2.38 1.77 0.02 91.70 03:58:01 3 5.46 0.00 2.68 2.52 0.00 89.34 Average: all 3.38 0.00 1.85 1.09 0.01 93.67 Average: 0 3.22 0.00 1.84 1.10 0.01 93.83 Average: 1 3.28 0.00 1.77 1.07 0.01 93.88 Average: 2 3.38 0.00 1.70 1.11 0.01 93.80 Average: 3 3.66 0.00 2.08 1.07 0.01 93.19