---> uname -a: Linux d11b2153cdb1 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 654 129 0 1052 1077 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) 07/17/20 _x86_64_ (4 CPU) 06:47:02 LINUX RESTART 06:48:01 tps rtps wtps bread/s bwrtn/s 06:49:01 6.65 1.40 5.25 94.47 152.81 06:50:01 1.60 0.00 1.60 0.00 30.06 06:51:01 0.40 0.00 0.40 0.00 5.85 06:52:01 0.30 0.00 0.30 0.00 4.95 06:53:01 0.20 0.00 0.20 0.00 3.78 06:54:01 1.02 0.57 0.45 40.23 8.01 Average: 1.69 0.33 1.37 22.45 34.24 06:48:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:49:01 160728 1720828 91.46 2620 1144260 1109860 37.88 420412 1139888 20 06:50:01 168116 1713440 91.07 2620 1144264 1075060 36.69 418068 1135908 12 06:51:01 165892 1715664 91.18 2620 1144272 1075216 36.70 421180 1135716 20 06:52:01 166056 1715500 91.17 2620 1144272 1075168 36.69 421080 1135508 20 06:53:01 164064 1717492 91.28 2620 1144280 1075204 36.69 423436 1135168 12 06:54:01 150896 1730660 91.98 2620 1145540 1091008 37.23 434412 1130736 112 Average: 162625 1718931 91.36 2620 1144481 1083586 36.98 423098 1135487 33 06:48:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 06:49:01 eth0 13.24 8.66 9.17 18.53 0.00 0.00 0.00 06:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:49:01 docker0 0.00 0.02 0.00 0.00 0.00 0.00 0.00 06:50:01 eth0 0.13 0.08 0.01 0.01 0.00 0.00 0.00 06:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:51:01 eth0 1.52 0.37 0.35 0.20 0.00 0.00 0.00 06:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:52:01 eth0 1.25 0.28 0.35 0.17 0.00 0.00 0.00 06:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:53:01 eth0 0.70 0.40 0.41 0.30 0.00 0.00 0.00 06:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:54:01 eth0 3.80 2.55 4.49 1.17 0.00 0.00 0.00 06:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 3.44 2.06 2.46 3.39 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 07/17/20 _x86_64_ (4 CPU) 06:47:02 LINUX RESTART 06:48:01 CPU %user %nice %system %iowait %steal %idle 06:49:01 all 0.77 0.00 0.15 0.13 0.00 98.95 06:49:01 0 0.97 0.00 0.23 0.07 0.00 98.73 06:49:01 1 0.47 0.00 0.13 0.40 0.00 99.00 06:49:01 2 1.08 0.00 0.12 0.02 0.00 98.78 06:49:01 3 0.57 0.00 0.12 0.02 0.00 99.30 06:50:01 all 0.15 0.00 0.03 0.00 0.00 99.81 06:50:01 0 0.52 0.00 0.03 0.00 0.00 99.45 06:50:01 1 0.02 0.00 0.02 0.00 0.00 99.97 06:50:01 2 0.03 0.00 0.03 0.00 0.00 99.93 06:50:01 3 0.05 0.00 0.03 0.00 0.00 99.92 06:51:01 all 0.16 0.00 0.03 0.00 0.00 99.81 06:51:01 0 0.02 0.00 0.02 0.00 0.00 99.97 06:51:01 1 0.02 0.00 0.02 0.00 0.00 99.97 06:51:01 2 0.57 0.00 0.03 0.00 0.00 99.40 06:51:01 3 0.05 0.00 0.05 0.00 0.00 99.90 06:52:01 all 0.16 0.00 0.04 0.00 0.00 99.80 06:52:01 0 0.02 0.00 0.05 0.00 0.00 99.93 06:52:01 1 0.02 0.00 0.02 0.00 0.00 99.97 06:52:01 2 0.57 0.00 0.07 0.00 0.00 99.37 06:52:01 3 0.03 0.00 0.02 0.00 0.00 99.95 06:53:01 all 0.07 0.00 0.04 0.00 0.00 99.90 06:53:01 0 0.03 0.00 0.03 0.00 0.00 99.93 06:53:01 1 0.02 0.00 0.03 0.00 0.00 99.95 06:53:01 2 0.18 0.00 0.10 0.00 0.00 99.72 06:53:01 3 0.02 0.00 0.00 0.00 0.00 99.98 06:54:01 all 0.12 0.00 0.12 0.00 0.00 99.76 06:54:01 0 0.17 0.00 0.12 0.00 0.00 99.72 06:54:01 1 0.05 0.00 0.07 0.00 0.00 99.88 06:54:01 2 0.12 0.00 0.15 0.00 0.02 99.72 06:54:01 3 0.15 0.00 0.13 0.02 0.00 99.70 Average: all 0.24 0.00 0.07 0.02 0.00 99.67 Average: 0 0.29 0.00 0.08 0.01 0.00 99.62 Average: 1 0.10 0.00 0.05 0.07 0.00 99.79 Average: 2 0.43 0.00 0.08 0.00 0.00 99.49 Average: 3 0.14 0.00 0.06 0.01 0.00 99.79