---> uname -a: Linux ab9960882099 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 690 132 0 1014 1040 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) 07/14/20 _x86_64_ (4 CPU) 07:42:00 LINUX RESTART 07:43:02 tps rtps wtps bread/s bwrtn/s 07:44:01 3.64 0.51 3.13 27.37 60.27 07:45:01 0.47 0.00 0.47 0.00 7.45 07:46:01 0.63 0.00 0.63 0.00 7.88 07:47:01 0.32 0.00 0.32 0.00 5.41 Average: 1.25 0.13 1.13 6.76 20.09 07:43:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:44:01 142016 1739540 92.45 2620 1131392 1122308 38.30 464800 1114192 20 07:45:01 143452 1738104 92.38 2620 1131396 1082396 36.94 468088 1110056 8 07:46:01 143992 1737564 92.35 2620 1131404 1082484 36.94 468264 1110056 8 07:47:01 142304 1739252 92.44 2620 1131404 1082532 36.94 474456 1105312 8 Average: 142941 1738615 92.40 2620 1131399 1092430 37.28 468902 1109904 11 07:43:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 07:44:01 eth0 9.47 6.47 6.07 13.20 0.00 0.00 0.00 07:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:45:01 eth0 3.50 2.20 2.47 0.32 0.00 0.00 0.00 07:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:46:01 eth0 1.23 0.38 0.33 0.20 0.00 0.00 0.00 07:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:47:01 eth0 2.47 0.63 0.69 0.40 0.00 0.00 0.00 07:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 4.14 2.40 2.38 3.49 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 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) 07/14/20 _x86_64_ (4 CPU) 07:42:00 LINUX RESTART 07:43:02 CPU %user %nice %system %iowait %steal %idle 07:44:01 all 0.50 0.00 0.11 0.03 0.00 99.35 07:44:01 0 0.88 0.00 0.08 0.14 0.00 98.90 07:44:01 1 0.39 0.00 0.10 0.00 0.00 99.51 07:44:01 2 0.42 0.00 0.12 0.00 0.00 99.46 07:44:01 3 0.34 0.00 0.10 0.00 0.00 99.56 07:45:01 all 0.18 0.00 0.04 0.00 0.00 99.78 07:45:01 0 0.15 0.00 0.07 0.00 0.00 99.78 07:45:01 1 0.03 0.00 0.03 0.00 0.00 99.93 07:45:01 2 0.05 0.00 0.07 0.00 0.00 99.88 07:45:01 3 0.45 0.00 0.02 0.00 0.00 99.53 07:46:01 all 0.14 0.00 0.03 0.00 0.00 99.82 07:46:01 0 0.03 0.00 0.05 0.00 0.00 99.92 07:46:01 1 0.05 0.00 0.05 0.00 0.00 99.90 07:46:01 2 0.02 0.00 0.00 0.00 0.00 99.98 07:46:01 3 0.48 0.00 0.02 0.00 0.00 99.50 07:47:01 all 0.14 0.00 0.04 0.00 0.00 99.82 07:47:01 0 0.02 0.00 0.02 0.00 0.00 99.97 07:47:01 1 0.37 0.00 0.07 0.00 0.00 99.57 07:47:01 2 0.05 0.00 0.05 0.00 0.00 99.90 07:47:01 3 0.13 0.00 0.03 0.00 0.00 99.83 Average: all 0.24 0.00 0.05 0.01 0.00 99.70 Average: 0 0.27 0.00 0.05 0.03 0.00 99.64 Average: 1 0.21 0.00 0.06 0.00 0.00 99.73 Average: 2 0.13 0.00 0.06 0.00 0.00 99.81 Average: 3 0.35 0.00 0.04 0.00 0.00 99.61