---> uname -a: Linux caccd9d79f06 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 /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 ---> free -m: total used free shared buff/cache available Mem: 1837 677 117 0 1043 1054 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) 07/29/20 _x86_64_ (4 CPU) 08:29:41 LINUX RESTART 08:30:01 tps rtps wtps bread/s bwrtn/s 08:31:01 186.47 102.94 83.53 12118.32 39960.32 08:32:02 16.00 4.91 11.09 1033.63 507.53 08:33:01 1.69 0.00 1.69 0.00 30.47 08:34:01 0.25 0.00 0.25 0.00 3.50 08:35:01 0.23 0.00 0.23 0.00 3.61 Average: 41.06 21.64 19.42 2639.30 8126.72 08:30:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:31:01 117492 1764064 93.76 2620 1156468 1317444 44.96 456084 1140592 8 08:32:02 151552 1730004 91.95 2620 1130676 1167016 39.83 455216 1113848 20 08:33:01 161000 1720556 91.44 2620 1130684 1082056 36.93 452704 1108552 20 08:34:01 158504 1723052 91.58 2620 1130684 1082140 36.93 455116 1108544 12 08:35:01 155844 1725712 91.72 2620 1130692 1082180 36.93 464028 1102924 8 Average: 148878 1732678 92.09 2620 1135841 1146167 39.12 456630 1114892 14 08:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 08:31:01 eth0 208.18 159.97 1048.33 58.79 0.00 0.00 0.00 08:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:32:02 eth0 25.37 23.78 32.08 39.43 0.00 0.00 0.00 08:32:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:32:02 docker0 2.89 2.47 0.71 9.14 0.00 0.00 0.00 08:33:01 eth0 1.51 0.41 0.38 0.15 0.00 0.00 0.00 08:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:34:01 eth0 1.83 0.73 0.63 0.47 0.00 0.00 0.00 08:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:35:01 eth0 0.42 0.33 0.26 0.20 0.00 0.00 0.00 08:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 47.62 37.17 217.03 19.89 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.58 0.50 0.14 1.84 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) 08:29:41 LINUX RESTART 08:30:01 CPU %user %nice %system %iowait %steal %idle 08:31:01 all 14.84 0.00 8.36 10.78 16.69 49.32 08:31:01 0 14.70 0.00 7.73 8.67 18.70 50.20 08:31:01 1 14.75 0.00 9.54 9.90 16.85 48.96 08:31:01 2 15.32 0.00 7.98 13.07 15.41 48.21 08:31:01 3 14.60 0.00 8.22 11.48 15.78 49.92 08:32:02 all 1.31 0.00 1.00 0.27 4.91 92.52 08:32:02 0 1.64 0.00 0.90 0.54 5.35 91.58 08:32:02 1 1.13 0.00 0.93 0.15 5.08 92.72 08:32:02 2 0.83 0.00 0.88 0.13 4.86 93.30 08:32:02 3 1.64 0.00 1.29 0.28 4.34 92.44 08:33:01 all 0.12 0.00 0.05 0.00 0.20 99.63 08:33:01 0 0.34 0.00 0.05 0.00 0.15 99.46 08:33:01 1 0.03 0.00 0.03 0.00 0.14 99.80 08:33:01 2 0.08 0.00 0.07 0.00 0.27 99.58 08:33:01 3 0.03 0.00 0.03 0.00 0.22 99.71 08:34:01 all 0.14 0.00 0.03 0.00 0.15 99.68 08:34:01 0 0.25 0.00 0.03 0.00 0.27 99.45 08:34:01 1 0.13 0.00 0.07 0.00 0.25 99.55 08:34:01 2 0.13 0.00 0.02 0.00 0.08 99.77 08:34:01 3 0.03 0.00 0.02 0.00 0.07 99.88 08:35:01 all 0.12 0.00 0.05 0.00 0.10 99.73 08:35:01 0 0.08 0.00 0.03 0.00 0.02 99.87 08:35:01 1 0.37 0.00 0.07 0.00 0.27 99.30 08:35:01 2 0.02 0.00 0.10 0.00 0.08 99.80 08:35:01 3 0.02 0.00 0.02 0.00 0.02 99.95 Average: all 3.26 0.00 1.88 2.17 4.38 88.31 Average: 0 3.38 0.00 1.74 1.83 4.88 88.17 Average: 1 3.22 0.00 2.09 1.97 4.47 88.25 Average: 2 3.23 0.00 1.79 2.60 4.12 88.26 Average: 3 3.21 0.00 1.89 2.31 4.04 88.55