---> uname -a: Linux f5a138b6a7c6 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-236 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dry_go-mod-core-contracts_PR-236@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 671 118 0 1047 1060 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) 06/22/20 _x86_64_ (4 CPU) 05:39:33 LINUX RESTART 05:40:01 tps rtps wtps bread/s bwrtn/s 05:41:01 77.51 28.56 48.95 7145.41 5124.30 05:42:01 1.62 0.00 1.62 0.00 33.46 05:43:01 0.47 0.00 0.47 0.00 7.43 05:44:01 0.35 0.00 0.35 0.00 6.51 05:45:01 0.33 0.00 0.33 0.00 5.25 05:46:01 0.38 0.00 0.38 0.00 5.86 Average: 13.45 4.76 8.69 1191.56 864.28 05:40:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:41:01 161016 1720540 91.44 2620 1132804 1106768 37.77 436484 1124324 120 05:42:01 165644 1715912 91.20 2620 1133020 1075232 36.70 434752 1121884 8 05:43:01 165704 1715852 91.19 2620 1133028 1075232 36.70 437068 1119824 8 05:44:01 163680 1717876 91.30 2620 1133028 1075388 36.70 439844 1119168 8 05:45:01 163148 1718408 91.33 2620 1133032 1075556 36.71 447724 1111444 8 05:46:01 161532 1720024 91.41 2620 1133040 1075460 36.70 449988 1111280 8 Average: 163454 1718102 91.31 2620 1132992 1080606 36.88 440977 1117987 27 05:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 05:41:01 eth0 524.88 307.36 1055.59 101.73 0.00 0.00 0.00 05:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:41:01 docker0 3.84 3.45 0.74 8.66 0.00 0.00 0.00 05:42:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 05:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:43:01 eth0 0.62 0.08 0.06 0.01 0.00 0.00 0.00 05:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:44:01 eth0 1.20 0.53 0.38 0.21 0.00 0.00 0.00 05:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:45:01 eth0 0.50 0.45 0.27 0.21 0.00 0.00 0.00 05:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:46:01 eth0 0.22 0.17 0.08 0.07 0.00 0.00 0.00 05:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 87.96 51.47 176.16 17.05 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.64 0.57 0.12 1.44 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) 06/22/20 _x86_64_ (4 CPU) 05:39:33 LINUX RESTART 05:40:01 CPU %user %nice %system %iowait %steal %idle 05:41:01 all 12.16 0.00 4.71 2.77 0.00 80.35 05:41:01 0 12.33 0.00 6.02 3.22 0.02 78.41 05:41:01 1 12.02 0.00 4.90 4.16 0.02 78.90 05:41:01 2 12.10 0.00 3.99 1.96 0.00 81.94 05:41:01 3 12.20 0.00 3.91 1.78 0.00 82.11 05:42:01 all 0.13 0.00 0.04 0.00 0.00 99.83 05:42:01 0 0.02 0.00 0.03 0.00 0.00 99.95 05:42:01 1 0.03 0.00 0.05 0.00 0.00 99.92 05:42:01 2 0.42 0.00 0.05 0.00 0.00 99.53 05:42:01 3 0.03 0.00 0.02 0.00 0.00 99.95 05:43:01 all 0.11 0.00 0.03 0.00 0.00 99.86 05:43:01 0 0.03 0.00 0.03 0.00 0.00 99.93 05:43:01 1 0.05 0.00 0.03 0.00 0.00 99.92 05:43:01 2 0.32 0.00 0.07 0.00 0.00 99.62 05:43:01 3 0.03 0.00 0.03 0.00 0.00 99.93 05:44:01 all 0.16 0.00 0.04 0.00 0.00 99.80 05:44:01 0 0.05 0.00 0.02 0.00 0.00 99.93 05:44:01 1 0.03 0.00 0.07 0.00 0.00 99.90 05:44:01 2 0.53 0.00 0.02 0.00 0.00 99.45 05:44:01 3 0.02 0.00 0.02 0.00 0.00 99.97 05:45:01 all 0.16 0.00 0.04 0.00 0.00 99.80 05:45:01 0 0.03 0.00 0.02 0.00 0.00 99.95 05:45:01 1 0.03 0.00 0.05 0.00 0.00 99.92 05:45:01 2 0.57 0.00 0.10 0.00 0.00 99.33 05:45:01 3 0.02 0.00 0.02 0.00 0.00 99.97 05:46:01 all 0.15 0.00 0.04 0.00 0.00 99.81 05:46:01 0 0.03 0.00 0.03 0.00 0.00 99.93 05:46:01 1 0.05 0.00 0.05 0.00 0.00 99.90 05:46:01 2 0.52 0.00 0.05 0.00 0.00 99.43 05:46:01 3 0.02 0.00 0.02 0.00 0.00 99.97 Average: all 2.14 0.00 0.81 0.46 0.00 96.59 Average: 0 2.07 0.00 1.02 0.53 0.00 96.37 Average: 1 2.03 0.00 0.86 0.69 0.00 96.42 Average: 2 2.40 0.00 0.71 0.33 0.00 96.56 Average: 3 2.04 0.00 0.66 0.29 0.00 97.00