---> uname -a: Linux baaa3a795cba 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% /w/workspace/dry_go-mod-core-contracts_PR-262@tmp /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-262 ---> free -m: total used free shared buff/cache available Mem: 1837 642 122 0 1072 1089 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) 08/06/20 _x86_64_ (4 CPU) 10:58:19 LINUX RESTART 10:59:01 tps rtps wtps bread/s bwrtn/s 11:00:01 50.52 12.22 38.31 4688.80 2375.00 11:01:01 1.78 0.05 1.73 0.67 35.08 11:02:01 0.50 0.08 0.42 1.60 6.79 11:03:01 0.27 0.00 0.27 0.00 3.25 11:04:01 0.43 0.13 0.30 11.99 6.50 11:05:01 0.50 0.00 0.50 0.00 9.13 11:06:01 16.52 16.24 0.28 1545.51 3.56 Average: 10.08 4.10 5.97 892.90 348.59 10:59:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:00:01 174096 1707460 90.75 2620 1147656 1105536 37.73 402600 1144832 20 11:01:01 175904 1705652 90.65 2620 1147660 1078616 36.81 403308 1142184 8 11:02:01 175572 1705984 90.67 2620 1147804 1077072 36.76 404056 1142256 12 11:03:01 173896 1707660 90.76 2620 1147804 1077084 36.76 406000 1141944 8 11:04:01 170140 1711416 90.96 2620 1148276 1088868 37.16 413396 1137780 20 11:05:01 168532 1713024 91.04 2620 1148280 1089072 37.17 426816 1125940 12 11:06:01 111648 1769908 94.07 2620 1194564 1104200 37.68 450788 1159016 84 Average: 164255 1717301 91.27 2620 1154578 1088635 37.15 415281 1141993 23 10:59:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 11:00:01 eth0 126.70 91.86 480.00 53.33 0.00 0.00 0.00 11:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:01 docker0 4.26 3.20 0.84 9.71 0.00 0.00 0.00 11:01:01 eth0 0.70 0.02 0.06 0.00 0.00 0.00 0.00 11:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:02:01 eth0 0.83 0.35 0.31 0.20 0.00 0.00 0.00 11:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:03:01 eth0 0.58 0.47 0.27 0.21 0.00 0.00 0.00 11:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:04:01 eth0 6.81 3.60 5.64 2.58 0.00 0.00 0.00 11:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:05:01 eth0 2.68 1.50 2.09 1.04 0.00 0.00 0.00 11:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:06:01 eth0 5.40 3.21 5.06 2.02 0.00 0.00 0.00 11:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 20.54 14.43 70.52 8.49 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.61 0.46 0.12 1.39 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) 08/06/20 _x86_64_ (4 CPU) 10:58:19 LINUX RESTART 10:59:01 CPU %user %nice %system %iowait %steal %idle 11:00:01 all 3.51 0.00 1.95 1.94 0.01 92.59 11:00:01 0 3.71 0.00 1.91 0.95 0.00 93.42 11:00:01 1 2.99 0.00 1.77 0.95 0.00 94.28 11:00:01 2 3.88 0.00 2.51 4.83 0.02 88.76 11:00:01 3 3.44 0.00 1.61 1.02 0.00 93.93 11:01:01 all 0.16 0.00 0.05 0.00 0.00 99.79 11:01:01 0 0.53 0.00 0.03 0.00 0.00 99.43 11:01:01 1 0.03 0.00 0.05 0.00 0.00 99.92 11:01:01 2 0.05 0.00 0.07 0.00 0.00 99.88 11:01:01 3 0.02 0.00 0.05 0.00 0.00 99.93 11:02:01 all 0.14 0.00 0.05 0.00 0.00 99.81 11:02:01 0 0.43 0.00 0.07 0.00 0.00 99.50 11:02:01 1 0.05 0.00 0.05 0.00 0.00 99.90 11:02:01 2 0.05 0.00 0.05 0.00 0.00 99.90 11:02:01 3 0.03 0.00 0.02 0.00 0.00 99.95 11:03:01 all 0.14 0.00 0.04 0.00 0.00 99.82 11:03:01 0 0.47 0.00 0.07 0.00 0.02 99.45 11:03:01 1 0.02 0.00 0.02 0.00 0.00 99.97 11:03:01 2 0.05 0.00 0.03 0.00 0.00 99.92 11:03:01 3 0.02 0.00 0.03 0.00 0.00 99.95 11:04:01 all 0.24 0.00 0.09 0.01 0.00 99.66 11:04:01 0 0.33 0.00 0.08 0.00 0.00 99.58 11:04:01 1 0.35 0.00 0.07 0.00 0.02 99.57 11:04:01 2 0.13 0.00 0.08 0.00 0.00 99.78 11:04:01 3 0.15 0.00 0.12 0.02 0.00 99.72 11:05:01 all 0.17 0.00 0.08 0.00 0.00 99.75 11:05:01 0 0.47 0.00 0.05 0.00 0.00 99.48 11:05:01 1 0.07 0.00 0.08 0.00 0.00 99.85 11:05:01 2 0.08 0.00 0.08 0.00 0.00 99.83 11:05:01 3 0.08 0.00 0.13 0.00 0.00 99.78 11:06:01 all 0.40 0.00 0.16 0.37 0.00 99.07 11:06:01 0 0.62 0.00 0.08 0.05 0.00 99.25 11:06:01 1 0.50 0.00 0.20 1.03 0.00 98.26 11:06:01 2 0.32 0.00 0.13 0.05 0.00 99.50 11:06:01 3 0.17 0.00 0.22 0.35 0.00 99.27 Average: all 0.68 0.00 0.34 0.33 0.00 98.64 Average: 0 0.94 0.00 0.33 0.14 0.00 98.59 Average: 1 0.57 0.00 0.32 0.28 0.00 98.82 Average: 2 0.65 0.00 0.42 0.70 0.00 98.23 Average: 3 0.56 0.00 0.31 0.20 0.00 98.94