---> uname -a: Linux prd-centos7-docker-4c-2g-6307.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/secure /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/exfoundry_go-mod-messaging_PR-71 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/exfoundry_go-mod-messaging_PR-71@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa-host ---> free -m: total used free shared buff/cache available Mem: 1837 652 118 0 1065 1081 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 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:d6:47:00 brd ff:ff:ff:ff:ff:ff inet 10.30.123.248/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86049sec preferred_lft 86049sec inet6 fe80::f816:3eff:fed6:4700/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:0e:46:34:e9 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:eff:fe46:34e9/64 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) 10/19/20 _x86_64_ (4 CPU) 17:51:05 LINUX RESTART (4 CPU) 17:52:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:53:01 26.60 10.15 16.45 0.00 4341.20 2333.66 0.00 17:54:01 1.83 0.00 1.83 0.00 0.00 37.29 0.00 17:55:01 0.67 0.00 0.67 0.00 0.00 9.09 0.00 17:56:01 0.25 0.00 0.25 0.00 0.00 4.53 0.00 17:57:01 121.03 62.91 58.12 0.00 5977.24 17117.90 0.00 Average: 30.09 14.62 15.47 0.00 2064.63 3902.85 0.00 17:52:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:53:01 166120 0 555520 29.52 2620 1157296 1116064 38.09 421856 1132764 20 17:54:01 171892 0 549740 29.22 2620 1157304 1076340 36.73 419816 1129728 12 17:55:01 171396 0 550232 29.24 2620 1157308 1076568 36.74 421080 1129728 16 17:56:01 169148 0 552476 29.36 2620 1157312 1076544 36.74 423168 1129624 12 17:57:01 182932 0 647384 34.41 2620 1048620 1280340 43.70 429164 1050848 23396 Average: 172298 0 571070 30.35 2620 1135568 1125171 38.40 423017 1114538 4691 17:52:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:53:01 eth0 67.74 55.10 338.26 28.54 0.00 0.00 0.00 0.00 17:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:53:01 docker0 1.15 1.07 0.29 2.35 0.00 0.00 0.00 0.00 17:54:01 eth0 1.15 0.08 0.09 0.01 0.00 0.00 0.00 0.00 17:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:55:01 eth0 1.32 0.67 0.58 0.40 0.00 0.00 0.00 0.00 17:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:56:01 eth0 0.73 0.35 0.30 0.20 0.00 0.00 0.00 0.00 17:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:57:01 eth0 221.30 194.54 2169.31 18.89 0.00 0.00 0.00 0.00 17:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 58.48 50.18 502.01 9.61 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 0.23 0.21 0.06 0.47 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) 10/19/20 _x86_64_ (4 CPU) 17:51:05 LINUX RESTART (4 CPU) 17:52:01 CPU %user %nice %system %iowait %steal %idle 17:53:01 all 2.12 0.00 1.47 0.43 0.00 95.99 17:53:01 0 2.62 0.00 1.17 1.14 0.00 95.07 17:53:01 1 1.84 0.00 1.37 0.30 0.00 96.49 17:53:01 2 2.16 0.00 1.35 0.10 0.00 96.39 17:53:01 3 1.85 0.00 1.97 0.17 0.02 95.99 17:54:01 all 0.13 0.00 0.06 0.00 0.00 99.81 17:54:01 0 0.43 0.00 0.08 0.00 0.00 99.48 17:54:01 1 0.03 0.00 0.05 0.00 0.00 99.92 17:54:01 2 0.02 0.00 0.05 0.00 0.00 99.93 17:54:01 3 0.05 0.00 0.05 0.00 0.00 99.90 17:55:01 all 0.14 0.00 0.04 0.00 0.00 99.82 17:55:01 0 0.42 0.00 0.03 0.00 0.00 99.55 17:55:01 1 0.07 0.00 0.03 0.00 0.00 99.90 17:55:01 2 0.05 0.00 0.03 0.00 0.00 99.92 17:55:01 3 0.03 0.00 0.07 0.00 0.00 99.90 17:56:01 all 0.15 0.00 0.03 0.00 0.00 99.83 17:56:01 0 0.02 0.00 0.02 0.00 0.00 99.97 17:56:01 1 0.53 0.00 0.03 0.00 0.00 99.43 17:56:01 2 0.02 0.00 0.02 0.00 0.00 99.97 17:56:01 3 0.02 0.00 0.03 0.00 0.00 99.95 17:57:01 all 4.99 0.00 2.98 1.28 0.03 90.73 17:57:01 0 4.78 0.00 2.82 0.10 0.02 92.29 17:57:01 1 5.09 0.00 3.38 2.31 0.03 89.18 17:57:01 2 5.20 0.00 3.19 2.06 0.02 89.54 17:57:01 3 4.89 0.00 2.52 0.66 0.03 91.90 Average: all 1.50 0.00 0.91 0.34 0.01 97.24 Average: 0 1.65 0.00 0.82 0.25 0.00 97.28 Average: 1 1.51 0.00 0.97 0.52 0.01 96.99 Average: 2 1.48 0.00 0.92 0.43 0.00 97.16 Average: 3 1.36 0.00 0.93 0.16 0.01 97.54