---> uname -a: Linux c17ad145fd36 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-253@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-253 ---> free -m: total used free shared buff/cache available Mem: 1837 639 120 0 1077 1093 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) 07/29/20 _x86_64_ (4 CPU) 10:28:27 LINUX RESTART 10:29:01 tps rtps wtps bread/s bwrtn/s 10:30:01 100.62 41.76 58.85 7524.90 14362.13 10:31:01 2.18 0.00 2.18 0.00 43.35 10:32:02 0.32 0.00 0.32 0.00 4.18 10:33:01 0.25 0.00 0.25 0.00 2.96 10:34:01 0.23 0.00 0.23 0.00 2.50 10:35:01 0.43 0.17 0.27 11.73 4.71 Average: 17.39 7.01 10.38 1260.16 2411.05 10:29:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:30:01 175664 1705892 90.66 2620 1143420 1115176 38.06 415624 1129364 120 10:31:01 182124 1699432 90.32 2620 1143636 1069112 36.49 413320 1126404 8 10:32:02 181048 1700508 90.38 2620 1143644 1069316 36.49 414340 1126392 16 10:33:01 179740 1701816 90.45 2620 1143644 1069340 36.49 416440 1125740 16 10:34:01 181296 1700260 90.36 2620 1143648 1069112 36.49 415952 1124896 20 10:35:01 172684 1708872 90.82 2620 1144140 1071120 36.56 420568 1123992 124 Average: 178759 1702797 90.50 2620 1143689 1077196 36.76 416041 1126131 51 10:29:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 10:30:01 eth0 405.79 237.18 1056.04 98.98 0.00 0.00 0.00 10:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:01 docker0 3.79 2.86 0.79 9.21 0.00 0.00 0.00 10:31:01 eth0 0.65 0.08 0.06 0.01 0.00 0.00 0.00 10:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:32:02 eth0 1.05 0.28 0.29 0.20 0.00 0.00 0.00 10:32:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:32:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:33:01 eth0 1.68 0.73 0.63 0.38 0.00 0.00 0.00 10:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:34:01 eth0 0.12 0.08 0.01 0.04 0.00 0.00 0.00 10:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:35:01 eth0 3.13 2.03 3.49 0.99 0.00 0.00 0.00 10:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 68.95 40.19 177.32 16.82 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.63 0.48 0.13 1.54 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) 07/29/20 _x86_64_ (4 CPU) 10:28:27 LINUX RESTART 10:29:01 CPU %user %nice %system %iowait %steal %idle 10:30:01 all 13.48 0.00 5.66 4.71 0.03 76.12 10:30:01 0 14.01 0.00 6.50 3.47 0.02 76.00 10:30:01 1 13.08 0.00 5.46 2.88 0.05 78.53 10:30:01 2 12.67 0.00 5.84 8.61 0.02 72.87 10:30:01 3 14.15 0.00 4.84 3.88 0.02 77.11 10:31:01 all 0.16 0.00 0.04 0.00 0.00 99.80 10:31:01 0 0.38 0.00 0.02 0.00 0.00 99.60 10:31:01 1 0.03 0.00 0.02 0.00 0.00 99.95 10:31:01 2 0.12 0.00 0.03 0.00 0.00 99.85 10:31:01 3 0.12 0.00 0.07 0.00 0.00 99.82 10:32:02 all 0.16 0.00 0.02 0.00 0.00 99.82 10:32:02 0 0.03 0.00 0.03 0.00 0.00 99.93 10:32:02 1 0.03 0.00 0.03 0.00 0.00 99.93 10:32:02 2 0.53 0.00 0.03 0.00 0.00 99.43 10:32:02 3 0.03 0.00 0.05 0.00 0.00 99.92 10:33:01 all 0.15 0.00 0.04 0.00 0.00 99.81 10:33:01 0 0.05 0.00 0.05 0.00 0.00 99.90 10:33:01 1 0.02 0.00 0.02 0.00 0.00 99.97 10:33:01 2 0.46 0.00 0.03 0.00 0.00 99.51 10:33:01 3 0.05 0.00 0.03 0.00 0.00 99.92 10:34:01 all 0.16 0.00 0.04 0.00 0.00 99.80 10:34:01 0 0.07 0.00 0.10 0.00 0.00 99.83 10:34:01 1 0.03 0.00 0.02 0.00 0.00 99.95 10:34:01 2 0.53 0.00 0.03 0.00 0.00 99.43 10:34:01 3 0.03 0.00 0.02 0.00 0.00 99.95 10:35:01 all 0.22 0.00 0.13 0.00 0.00 99.65 10:35:01 0 0.17 0.00 0.25 0.00 0.02 99.57 10:35:01 1 0.10 0.00 0.13 0.00 0.00 99.77 10:35:01 2 0.48 0.00 0.03 0.00 0.00 99.48 10:35:01 3 0.13 0.00 0.12 0.02 0.00 99.73 Average: all 2.38 0.00 0.99 0.78 0.00 95.85 Average: 0 2.45 0.00 1.15 0.58 0.01 95.82 Average: 1 2.20 0.00 0.94 0.48 0.01 96.37 Average: 2 2.46 0.00 1.00 1.43 0.00 95.11 Average: 3 2.41 0.00 0.85 0.65 0.00 96.09