---> uname -a: Linux ce11cc767611 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: 2933.396 BogoMIPS: 5866.79 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-257 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dry_go-mod-core-contracts_PR-257@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 632 114 0 1090 1099 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) 07/23/20 _x86_64_ (4 CPU) 05:31:00 LINUX RESTART 05:32:01 tps rtps wtps bread/s bwrtn/s 05:33:01 1.98 0.00 1.98 0.00 39.72 05:34:01 0.53 0.00 0.53 0.00 6.13 05:35:01 0.38 0.00 0.38 0.00 5.56 05:36:01 0.23 0.00 0.23 0.00 2.97 05:37:01 0.30 0.00 0.30 0.00 3.95 05:38:01 145.55 87.04 58.50 7170.02 20014.14 Average: 24.84 14.51 10.32 1195.30 3346.25 05:32:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:33:01 171344 1710212 90.89 2620 1177380 1084356 37.01 395440 1154276 8 05:34:01 171348 1710208 90.89 2620 1177384 1072020 36.59 398952 1151388 12 05:35:01 168932 1712624 91.02 2620 1177392 1072368 36.60 400724 1151392 8 05:36:01 169136 1712420 91.01 2620 1177392 1072220 36.59 408448 1144312 8 05:37:01 166144 1715412 91.17 2620 1177396 1074724 36.68 411244 1144220 8 05:38:01 108720 1772836 94.22 2620 1092072 1878916 64.12 484144 1084256 28 Average: 159271 1722285 91.54 2620 1163169 1209101 41.26 416492 1138307 12 05:32:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 05:33:01 eth0 7.20 3.58 6.59 0.25 0.00 0.00 0.00 05:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:34:01 eth0 0.60 0.08 0.06 0.01 0.00 0.00 0.00 05:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:35:01 eth0 1.13 0.43 0.32 0.21 0.00 0.00 0.00 05:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:36:01 eth0 0.42 0.38 0.26 0.20 0.00 0.00 0.00 05:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:37:01 eth0 0.17 0.13 0.08 0.07 0.00 0.00 0.00 05:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:38:01 veth302a5e5 0.00 0.02 0.00 0.00 0.00 0.00 0.00 05:38:01 eth0 509.24 334.45 3426.71 107.29 0.00 0.00 0.00 05:38:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 05:38:01 docker0 3.80 2.76 0.79 9.20 0.00 0.00 0.00 Average: veth302a5e5 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 84.89 55.76 571.26 17.89 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.63 0.46 0.13 1.53 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) 07/23/20 _x86_64_ (4 CPU) 05:31:00 LINUX RESTART 05:32:01 CPU %user %nice %system %iowait %steal %idle 05:33:01 all 0.19 0.00 0.04 0.00 0.00 99.77 05:33:01 0 0.10 0.00 0.05 0.00 0.00 99.85 05:33:01 1 0.07 0.00 0.03 0.00 0.00 99.90 05:33:01 2 0.40 0.00 0.05 0.00 0.00 99.55 05:33:01 3 0.18 0.00 0.03 0.00 0.00 99.78 05:34:01 all 0.15 0.00 0.02 0.00 0.00 99.83 05:34:01 0 0.02 0.00 0.02 0.00 0.00 99.97 05:34:01 1 0.02 0.00 0.02 0.00 0.00 99.97 05:34:01 2 0.55 0.00 0.03 0.00 0.00 99.42 05:34:01 3 0.02 0.00 0.03 0.00 0.00 99.95 05:35:01 all 0.15 0.00 0.03 0.00 0.00 99.82 05:35:01 0 0.05 0.00 0.02 0.00 0.00 99.93 05:35:01 1 0.03 0.00 0.02 0.00 0.00 99.95 05:35:01 2 0.52 0.00 0.03 0.00 0.00 99.45 05:35:01 3 0.02 0.00 0.00 0.00 0.00 99.98 05:36:01 all 0.16 0.00 0.03 0.00 0.00 99.81 05:36:01 0 0.02 0.00 0.03 0.00 0.00 99.95 05:36:01 1 0.05 0.00 0.03 0.00 0.00 99.92 05:36:01 2 0.53 0.00 0.02 0.00 0.00 99.45 05:36:01 3 0.03 0.00 0.05 0.00 0.00 99.92 05:37:01 all 0.16 0.00 0.05 0.00 0.00 99.79 05:37:01 0 0.05 0.00 0.03 0.00 0.00 99.92 05:37:01 1 0.03 0.00 0.02 0.00 0.00 99.95 05:37:01 2 0.53 0.00 0.02 0.00 0.00 99.45 05:37:01 3 0.03 0.00 0.12 0.00 0.00 99.85 05:38:01 all 5.06 0.00 2.62 2.34 0.00 89.98 05:38:01 0 4.10 0.00 2.31 2.19 0.00 91.39 05:38:01 1 5.60 0.00 2.83 3.75 0.02 87.80 05:38:01 2 5.91 0.00 2.56 0.54 0.00 91.00 05:38:01 3 4.66 0.00 2.78 2.85 0.02 89.70 Average: all 0.98 0.00 0.46 0.39 0.00 98.17 Average: 0 0.72 0.00 0.41 0.36 0.00 98.51 Average: 1 0.96 0.00 0.49 0.62 0.00 97.92 Average: 2 1.40 0.00 0.45 0.09 0.00 98.06 Average: 3 0.82 0.00 0.50 0.47 0.00 98.20