---> uname -a: Linux prd-centos7-docker-4c-2g-6304.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: 2933.436 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 690 104 0 1042 1043 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:c6:5f:04 brd ff:ff:ff:ff:ff:ff inet 10.30.123.200/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86057sec preferred_lft 86057sec inet6 fe80::f816:3eff:fec6:5f04/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:67:ca:0f:d7 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::42:67ff:feca:fd7/64 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) 17:32:14 LINUX RESTART (4 CPU) 17:33:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:34:01 34.34 11.49 22.86 0.00 4505.01 2176.51 0.00 17:35:01 1.80 0.00 1.80 0.00 0.00 37.80 0.00 17:36:01 0.27 0.00 0.27 0.00 0.00 3.48 0.00 17:37:02 0.23 0.00 0.23 0.00 0.00 2.83 0.00 17:38:01 99.46 57.14 42.32 0.00 4978.20 15180.50 0.00 Average: 26.99 13.59 13.40 0.00 1886.83 3442.22 0.00 17:33:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:34:01 161652 0 595428 31.65 2620 1121856 1113112 37.99 451344 1109048 20 17:35:01 165672 0 591400 31.43 2620 1121864 1080740 36.88 449856 1107176 8 17:36:01 164876 0 592192 31.47 2620 1121868 1080932 36.89 450968 1107120 8 17:37:02 163000 0 594068 31.57 2620 1121868 1080956 36.89 453040 1106604 8 17:38:01 250808 0 644040 34.23 2620 984088 1082416 36.94 430388 995420 94788 Average: 181202 0 603426 32.07 2620 1094309 1087631 37.12 447119 1085074 18966 17:33:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:34:01 eth0 164.56 117.03 453.44 36.81 0.00 0.00 0.00 0.00 17:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:34:01 docker0 1.15 1.17 0.29 2.37 0.00 0.00 0.00 0.00 17:35:01 eth0 0.77 0.07 0.06 0.01 0.00 0.00 0.00 0.00 17:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:36:01 eth0 0.83 0.28 0.31 0.20 0.00 0.00 0.00 0.00 17:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:37:02 eth0 0.53 0.45 0.27 0.22 0.00 0.00 0.00 0.00 17:37:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:37:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:38:01 eth0 214.13 179.59 2203.36 17.07 0.00 0.00 0.00 0.00 17:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 75.72 59.10 526.06 10.84 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 0.23 0.06 0.48 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) 17:32:14 LINUX RESTART (4 CPU) 17:33:01 CPU %user %nice %system %iowait %steal %idle 17:34:01 all 3.22 0.00 1.92 0.99 0.04 93.84 17:34:01 0 3.06 0.00 2.05 0.12 0.03 94.74 17:34:01 1 2.93 0.00 1.68 0.22 0.05 95.12 17:34:01 2 3.52 0.00 1.81 1.74 0.03 92.90 17:34:01 3 3.35 0.00 2.13 1.86 0.05 92.60 17:35:01 all 0.15 0.00 0.04 0.00 0.00 99.81 17:35:01 0 0.47 0.00 0.05 0.00 0.02 99.47 17:35:01 1 0.05 0.00 0.05 0.00 0.00 99.90 17:35:01 2 0.05 0.00 0.05 0.00 0.00 99.90 17:35:01 3 0.02 0.00 0.02 0.00 0.00 99.97 17:36:01 all 0.17 0.00 0.05 0.00 0.00 99.78 17:36:01 0 0.57 0.00 0.03 0.00 0.00 99.40 17:36:01 1 0.05 0.00 0.03 0.00 0.00 99.92 17:36:01 2 0.03 0.00 0.07 0.00 0.00 99.90 17:36:01 3 0.05 0.00 0.05 0.00 0.00 99.90 17:37:02 all 0.10 0.00 0.04 0.00 0.00 99.86 17:37:02 0 0.28 0.00 0.05 0.00 0.00 99.67 17:37:02 1 0.05 0.00 0.05 0.00 0.02 99.88 17:37:02 2 0.02 0.00 0.03 0.00 0.00 99.95 17:37:02 3 0.03 0.00 0.02 0.00 0.00 99.95 17:38:01 all 5.19 0.00 3.35 1.24 0.04 90.18 17:38:01 0 5.13 0.00 2.63 0.43 0.02 91.80 17:38:01 1 4.43 0.00 3.56 0.86 0.05 91.10 17:38:01 2 4.64 0.00 3.46 0.36 0.05 91.50 17:38:01 3 6.55 0.00 3.74 3.33 0.03 86.35 Average: all 1.74 0.00 1.06 0.44 0.02 96.73 Average: 0 1.88 0.00 0.95 0.11 0.01 97.05 Average: 1 1.49 0.00 1.06 0.21 0.02 97.22 Average: 2 1.63 0.00 1.07 0.42 0.02 96.86 Average: 3 1.97 0.00 1.17 1.02 0.02 95.81