---> uname -a: Linux prd-centos7-docker-4c-2g-16796.vexxhost.local 3.10.0-1160.6.1.el7.x86_64 #1 SMP Tue Nov 17 13:59:11 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 Srbds: Not affected 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 7.3G 42.7G 15% / 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 7.3G 42.7G 15% /facter-os /dev/vda1 50.0G 7.3G 42.7G 15% /etc/resolv.conf /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hostname /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hosts /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/secure /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/auth.log /dev/vda1 50.0G 7.3G 42.7G 15% /run/cloud-init/result.json /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/xfoundry_device-modbus-go_PR-201 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/xfoundry_device-modbus-go_PR-201@tmp /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa-host ---> free -m: total used free shared buff/cache available Mem: 1837 704 90 0 1041 1028 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:f2:a0:5c brd ff:ff:ff:ff:ff:ff inet 10.30.122.222/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85720sec preferred_lft 85720sec inet6 fe80::f816:3eff:fef2:a05c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:db:15:59:ad 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:dbff:fe15:59ad/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 3.10.0-1160.6.1.el7.x86_64 (centos-7-docker-5fbc1798-0377-b841-54c3-72bc41eda64a.vexxhost.lo) 12/19/20 _x86_64_ (4 CPU) 00:53:31 LINUX RESTART (4 CPU) 00:54:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:55:01 53.89 17.00 36.89 0.00 4934.51 3169.95 0.00 00:56:01 1.92 0.00 1.92 0.00 0.00 38.67 0.00 00:57:01 0.23 0.00 0.23 0.00 0.00 2.98 0.00 00:58:01 0.20 0.00 0.20 0.00 0.00 1.75 0.00 00:59:01 0.23 0.00 0.23 0.00 0.00 3.66 0.00 01:00:01 0.38 0.00 0.38 0.00 0.00 5.71 0.00 01:01:01 0.40 0.02 0.38 0.00 0.13 5.60 0.00 01:02:01 0.37 0.08 0.28 0.00 1.60 5.26 0.00 01:03:01 0.22 0.00 0.22 0.00 0.00 2.71 0.00 01:04:01 0.27 0.00 0.27 0.00 0.00 3.18 0.00 Average: 5.81 1.71 4.10 0.00 493.80 324.06 0.00 00:54:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:55:01 146752 0 580552 30.86 2620 1151620 1115924 38.08 392248 1142584 128 00:56:01 154088 0 573212 30.46 2620 1151624 1078328 36.80 395104 1133728 20 00:57:01 152452 0 574840 30.55 2620 1151632 1078376 36.80 396632 1134232 12 00:58:01 152228 0 575064 30.56 2620 1151632 1078400 36.80 410192 1120852 16 00:59:01 151064 0 576220 30.62 2620 1151640 1078388 36.80 403612 1128504 8 01:00:01 149700 0 577580 30.70 2620 1151644 1078388 36.80 430512 1102852 16 01:01:01 149408 0 577868 30.71 2620 1151648 1080780 36.89 430400 1102964 12 01:02:01 150140 0 577008 30.67 2620 1151776 1078752 36.82 429820 1103028 16 01:03:01 150400 0 576744 30.65 2620 1151780 1078752 36.82 429940 1103024 8 01:04:01 150456 0 576684 30.65 2620 1151784 1078752 36.82 430088 1103024 8 Average: 150669 0 576577 30.64 2620 1151678 1082484 36.94 414855 1117479 24 00:54:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:55:01 eth0 475.46 290.04 1031.89 94.21 0.00 0.00 0.00 0.00 00:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:55:01 docker0 2.00 1.51 0.41 4.11 0.00 0.00 0.00 0.00 00:56:01 eth0 1.65 0.35 0.36 0.21 0.00 0.00 0.00 0.00 00:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:57:01 eth0 1.18 0.32 0.34 0.20 0.00 0.00 0.00 0.00 00:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:58:01 eth0 1.20 0.37 0.33 0.20 0.00 0.00 0.00 0.00 00:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:59:01 eth0 0.55 0.30 0.27 0.20 0.00 0.00 0.00 0.00 00:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:01 eth0 1.32 0.62 0.50 0.25 0.00 0.00 0.00 0.00 01:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:01:01 eth0 0.18 0.10 0.01 0.04 0.00 0.00 0.00 0.00 01:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:02:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 0.00 01:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:03:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 01:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:04:01 eth0 0.52 0.08 0.04 0.01 0.00 0.00 0.00 0.00 01:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 48.24 29.24 103.41 9.54 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 0.20 0.15 0.04 0.41 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-1160.6.1.el7.x86_64 (centos-7-docker-5fbc1798-0377-b841-54c3-72bc41eda64a.vexxhost.lo) 12/19/20 _x86_64_ (4 CPU) 00:53:31 LINUX RESTART (4 CPU) 00:54:01 CPU %user %nice %system %iowait %steal %idle 00:55:01 all 10.12 0.00 3.28 1.04 0.03 85.53 00:55:01 0 10.33 0.00 3.72 0.30 0.02 85.64 00:55:01 1 11.03 0.00 2.91 2.27 0.05 83.74 00:55:01 2 8.76 0.00 3.42 1.18 0.02 86.62 00:55:01 3 10.37 0.00 3.07 0.39 0.05 86.13 00:56:01 all 0.18 0.00 0.05 0.00 0.00 99.77 00:56:01 0 0.03 0.00 0.02 0.00 0.00 99.95 00:56:01 1 0.10 0.00 0.08 0.00 0.00 99.82 00:56:01 2 0.08 0.00 0.07 0.00 0.00 99.85 00:56:01 3 0.52 0.00 0.02 0.00 0.00 99.47 00:57:01 all 0.16 0.00 0.05 0.00 0.01 99.79 00:57:01 0 0.03 0.00 0.05 0.00 0.02 99.90 00:57:01 1 0.07 0.00 0.03 0.00 0.00 99.90 00:57:01 2 0.05 0.00 0.05 0.00 0.02 99.88 00:57:01 3 0.48 0.00 0.05 0.00 0.00 99.47 00:58:01 all 0.17 0.00 0.06 0.00 0.01 99.76 00:58:01 0 0.08 0.00 0.05 0.00 0.00 99.87 00:58:01 1 0.05 0.00 0.10 0.00 0.02 99.83 00:58:01 2 0.05 0.00 0.08 0.00 0.02 99.85 00:58:01 3 0.50 0.00 0.02 0.00 0.00 99.48 00:59:01 all 0.17 0.00 0.05 0.00 0.01 99.78 00:59:01 0 0.02 0.00 0.03 0.00 0.00 99.95 00:59:01 1 0.07 0.00 0.05 0.00 0.02 99.87 00:59:01 2 0.03 0.00 0.07 0.00 0.00 99.90 00:59:01 3 0.55 0.00 0.03 0.00 0.02 99.40 01:00:01 all 0.16 0.00 0.08 0.00 0.00 99.75 01:00:01 0 0.02 0.00 0.03 0.00 0.00 99.95 01:00:01 1 0.05 0.00 0.17 0.00 0.00 99.78 01:00:01 2 0.07 0.00 0.10 0.00 0.00 99.83 01:00:01 3 0.52 0.00 0.03 0.00 0.00 99.45 01:01:01 all 0.17 0.00 0.05 0.00 0.00 99.78 01:01:01 0 0.03 0.00 0.03 0.00 0.00 99.93 01:01:01 1 0.03 0.00 0.03 0.00 0.00 99.93 01:01:01 2 0.10 0.00 0.10 0.00 0.00 99.80 01:01:01 3 0.50 0.00 0.03 0.00 0.00 99.47 01:02:01 all 0.15 0.00 0.05 0.00 0.00 99.80 01:02:01 0 0.03 0.00 0.07 0.02 0.00 99.88 01:02:01 1 0.02 0.00 0.03 0.00 0.00 99.95 01:02:01 2 0.52 0.00 0.08 0.00 0.00 99.40 01:02:01 3 0.02 0.00 0.02 0.00 0.00 99.97 01:03:01 all 0.16 0.00 0.03 0.00 0.00 99.80 01:03:01 0 0.02 0.00 0.03 0.00 0.00 99.95 01:03:01 1 0.07 0.00 0.05 0.00 0.00 99.88 01:03:01 2 0.53 0.00 0.02 0.00 0.02 99.43 01:03:01 3 0.03 0.00 0.03 0.00 0.00 99.93 01:04:01 all 0.15 0.00 0.02 0.00 0.00 99.83 01:04:01 0 0.02 0.00 0.00 0.00 0.00 99.98 01:04:01 1 0.05 0.00 0.03 0.00 0.00 99.92 01:04:01 2 0.52 0.00 0.02 0.00 0.00 99.47 01:04:01 3 0.03 0.00 0.03 0.00 0.00 99.93 Average: all 1.15 0.00 0.37 0.10 0.01 98.37 Average: 0 1.05 0.00 0.40 0.03 0.00 98.51 Average: 1 1.15 0.00 0.35 0.23 0.01 98.27 Average: 2 1.06 0.00 0.40 0.12 0.01 98.42 Average: 3 1.34 0.00 0.33 0.04 0.01 98.28