---> uname -a: Linux 9658d90c3067 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: 2933.436 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% /var/log/sa /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dry_go-mod-core-contracts_PR-253 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dry_go-mod-core-contracts_PR-253@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 621 121 0 1094 1111 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) 07/16/20 _x86_64_ (4 CPU) 04:55:37 LINUX RESTART 04:56:02 tps rtps wtps bread/s bwrtn/s 04:57:01 107.09 42.54 64.56 7580.09 16292.42 04:58:01 2.16 0.00 2.16 0.00 47.58 04:59:01 0.40 0.00 0.40 0.00 5.70 05:00:01 0.28 0.00 0.28 0.00 3.20 05:01:01 0.32 0.02 0.30 0.13 5.28 05:02:01 0.80 0.12 0.68 2.13 11.79 Average: 18.27 7.02 11.25 1246.61 2690.89 04:56:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:57:01 176996 1704560 90.59 2620 1160796 1109528 37.87 380972 1162460 120 04:58:01 182240 1699316 90.31 2620 1160800 1081208 36.90 379616 1159632 20 04:59:01 183616 1697940 90.24 2620 1160808 1068872 36.48 378856 1159240 8 05:00:01 183240 1698316 90.26 2620 1160808 1069076 36.49 379996 1159240 16 05:01:01 180828 1700728 90.39 2620 1160812 1071488 36.57 389144 1151684 16 05:02:01 181272 1700284 90.37 2620 1160956 1069464 36.50 389028 1151716 8 Average: 181365 1700191 90.36 2620 1160830 1078273 36.80 382935 1157329 31 04:56:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 04:57:01 eth0 341.76 201.64 1058.71 96.58 0.00 0.00 0.00 04:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:57:01 docker0 3.69 2.67 0.79 9.21 0.00 0.00 0.00 04:58:01 eth0 4.01 2.36 3.57 0.18 0.00 0.00 0.00 04:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:59:01 eth0 0.58 0.08 0.06 0.01 0.00 0.00 0.00 04:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:00:01 eth0 1.18 0.48 0.33 0.21 0.00 0.00 0.00 05:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:01:01 eth0 0.53 0.32 0.27 0.20 0.00 0.00 0.00 05:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:02:01 eth0 0.30 0.22 0.14 0.07 0.00 0.00 0.00 05:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 57.29 33.73 174.79 15.99 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 0.44 0.13 1.51 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) 07/16/20 _x86_64_ (4 CPU) 04:55:37 LINUX RESTART 04:56:02 CPU %user %nice %system %iowait %steal %idle 04:57:01 all 16.12 0.00 6.51 6.08 0.51 70.78 04:57:01 0 15.74 0.00 6.58 7.53 0.40 69.76 04:57:01 1 16.52 0.00 6.49 5.68 0.60 70.71 04:57:01 2 16.23 0.00 6.01 4.41 0.53 72.81 04:57:01 3 16.01 0.00 6.93 6.72 0.52 69.82 04:58:01 all 0.19 0.00 0.05 0.00 0.01 99.75 04:58:01 0 0.05 0.00 0.08 0.00 0.00 99.87 04:58:01 1 0.10 0.00 0.03 0.00 0.00 99.87 04:58:01 2 0.57 0.00 0.07 0.00 0.00 99.37 04:58:01 3 0.05 0.00 0.03 0.00 0.02 99.90 04:59:01 all 0.16 0.00 0.03 0.00 0.00 99.80 04:59:01 0 0.02 0.00 0.00 0.00 0.00 99.98 04:59:01 1 0.08 0.00 0.07 0.00 0.02 99.83 04:59:01 2 0.50 0.00 0.03 0.00 0.00 99.47 04:59:01 3 0.02 0.00 0.03 0.00 0.00 99.95 05:00:01 all 0.15 0.00 0.03 0.00 0.00 99.81 05:00:01 0 0.03 0.00 0.03 0.00 0.00 99.93 05:00:01 1 0.07 0.00 0.05 0.00 0.00 99.88 05:00:01 2 0.52 0.00 0.05 0.00 0.00 99.43 05:00:01 3 0.02 0.00 0.02 0.00 0.02 99.95 05:01:01 all 0.17 0.00 0.05 0.00 0.01 99.76 05:01:01 0 0.05 0.00 0.10 0.00 0.00 99.85 05:01:01 1 0.05 0.00 0.03 0.00 0.00 99.92 05:01:01 2 0.52 0.00 0.02 0.00 0.03 99.43 05:01:01 3 0.07 0.00 0.08 0.00 0.00 99.85 05:02:01 all 0.15 0.00 0.08 0.00 0.01 99.76 05:02:01 0 0.02 0.00 0.13 0.00 0.02 99.83 05:02:01 1 0.52 0.00 0.03 0.00 0.02 99.43 05:02:01 2 0.02 0.00 0.05 0.00 0.00 99.93 05:02:01 3 0.07 0.00 0.07 0.00 0.02 99.85 Average: all 2.75 0.00 1.09 0.98 0.09 95.08 Average: 0 2.57 0.00 1.12 1.22 0.07 95.02 Average: 1 2.82 0.00 1.09 0.92 0.10 95.06 Average: 2 2.99 0.00 1.01 0.72 0.09 95.19 Average: 3 2.62 0.00 1.16 1.08 0.09 95.05