---> uname -a: Linux prd-centos7-docker-4c-2g-11913.vexxhost.local 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% /facter-os /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/auth.log /dev/vda1 50.0G 7.2G 42.8G 14% /run/cloud-init/result.json /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dry_go-mod-core-contracts_PR-365 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dry_go-mod-core-contracts_PR-365@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa-host /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/secure ---> free -m: total used free shared buff/cache available Mem: 1837 683 104 0 1049 1051 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 inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc pfifo_fast state UP qlen 1000 link/ether fa:16:3e:1b:b0:ea brd ff:ff:ff:ff:ff:ff inet 10.30.122.230/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86128sec preferred_lft 86128sec inet6 fe80::f816:3eff:fe1b:b0ea/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:2d:e2:d7:38 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::42:2dff:fee2:d738/64 scope link 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) 11/12/20 _x86_64_ (4 CPU) 05:11:33 LINUX RESTART (4 CPU) 05:13:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:14:01 3.60 0.00 3.60 0.00 0.00 120.90 0.00 05:15:01 0.57 0.00 0.57 0.00 0.00 9.59 0.00 05:16:01 18.53 18.11 0.42 0.00 1731.03 4.46 0.00 Average: 7.56 6.04 1.53 0.00 577.14 44.98 0.00 05:13:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:14:01 181652 0 579812 30.82 2620 1117472 1073916 36.65 422108 1118256 16 05:15:01 181608 0 579852 30.82 2620 1117476 1071956 36.58 422608 1118092 8 05:16:01 114996 0 594420 31.59 2620 1169520 1098916 37.50 437892 1168568 68 Average: 159419 0 584695 31.08 2620 1134823 1081596 36.91 427536 1134972 31 05:13:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:14:01 eth0 0.37 0.12 0.02 0.02 0.00 0.00 0.00 0.00 05:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 eth0 3.83 1.55 3.05 0.10 0.00 0.00 0.00 0.00 05:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 eth0 5.21 3.15 4.43 1.76 0.00 0.00 0.00 0.00 05:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 3.14 1.60 2.50 0.63 0.00 0.00 0.00 0.00 Average: lo 0.00 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 0.00 ---> sar -P ALL: Linux 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 11/12/20 _x86_64_ (4 CPU) 05:11:33 LINUX RESTART (4 CPU) 05:13:01 CPU %user %nice %system %iowait %steal %idle 05:14:01 all 0.20 0.00 0.05 0.00 0.00 99.75 05:14:01 0 0.07 0.00 0.05 0.00 0.00 99.88 05:14:01 1 0.08 0.00 0.05 0.00 0.00 99.87 05:14:01 2 0.05 0.00 0.07 0.00 0.00 99.88 05:14:01 3 0.58 0.00 0.03 0.00 0.00 99.38 05:15:01 all 0.20 0.00 0.06 0.00 0.00 99.74 05:15:01 0 0.05 0.00 0.03 0.00 0.00 99.92 05:15:01 1 0.10 0.00 0.05 0.00 0.00 99.85 05:15:01 2 0.12 0.00 0.10 0.00 0.00 99.78 05:15:01 3 0.53 0.00 0.05 0.00 0.00 99.42 05:16:01 all 0.50 0.00 0.19 0.33 0.00 98.98 05:16:01 0 0.45 0.00 0.22 0.12 0.00 99.22 05:16:01 1 0.37 0.00 0.22 0.43 0.00 98.98 05:16:01 2 0.37 0.00 0.18 0.07 0.00 99.38 05:16:01 3 0.82 0.00 0.15 0.72 0.00 98.32 Average: all 0.30 0.00 0.10 0.11 0.00 99.49 Average: 0 0.19 0.00 0.10 0.04 0.00 99.67 Average: 1 0.18 0.00 0.11 0.14 0.00 99.57 Average: 2 0.18 0.00 0.12 0.02 0.00 99.68 Average: 3 0.64 0.00 0.08 0.24 0.00 99.04