---> uname -a: Linux prd-centos7-docker-4c-2g-695.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% /w/workspace/xfoundry_device-modbus-go_PR-223@tmp /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa-host /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-223 ---> free -m: total used free shared buff/cache available Mem: 1837 724 89 0 1023 1008 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:cb:19:cd brd ff:ff:ff:ff:ff:ff inet 10.30.123.157/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85677sec preferred_lft 85677sec inet6 fe80::f816:3eff:fecb:19cd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:bc:bd:77:ca 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:bcff:febd:77ca/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) 04/19/21 _x86_64_ (4 CPU) 05:50:04 LINUX RESTART (4 CPU) 05:51:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:52:02 62.32 22.16 40.16 0.00 5663.25 3698.03 0.00 05:53:01 1.61 0.00 1.61 0.00 0.00 27.90 0.00 05:54:01 0.17 0.00 0.17 0.00 0.00 2.50 0.00 05:55:01 0.32 0.00 0.32 0.00 0.00 5.14 0.00 05:56:01 0.22 0.00 0.22 0.00 0.00 3.41 0.00 05:57:01 0.33 0.00 0.33 0.00 0.00 3.70 0.00 05:58:01 0.25 0.00 0.25 0.00 0.00 3.03 0.00 05:59:01 0.32 0.00 0.32 0.00 0.00 4.61 0.00 06:00:01 0.30 0.00 0.30 0.00 0.00 4.20 0.00 06:01:01 0.27 0.02 0.25 0.00 0.13 3.61 0.00 06:02:01 135.86 75.19 60.67 0.00 6104.54 17942.71 0.00 Average: 18.46 8.90 9.56 0.00 1075.72 1983.95 0.00 05:51:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:52:02 137052 0 615868 32.73 2620 1126004 1132364 38.65 443384 1101856 132 05:53:01 135796 0 617128 32.80 2620 1126000 1131944 38.63 454340 1092208 12 05:54:01 137840 0 615080 32.69 2620 1126004 1097768 37.47 449472 1095548 28 05:55:01 134968 0 617948 32.84 2620 1126008 1092496 37.29 455360 1092900 12 05:56:01 131016 0 621892 33.05 2620 1126016 1105072 37.71 462356 1089424 8 05:57:01 129492 0 623408 33.13 2620 1126024 1109292 37.86 463424 1089464 8 05:58:01 135660 0 617240 32.80 2620 1126024 1081080 36.90 459216 1088568 8 05:59:01 135840 0 617056 32.80 2620 1126028 1081080 36.90 459240 1088568 8 06:00:01 135284 0 617604 32.82 2620 1126036 1081212 36.90 459864 1088568 8 06:01:01 134828 0 618056 32.85 2620 1126040 1083568 36.98 460000 1088568 12 06:02:01 162352 0 715368 38.02 2620 1001204 1283688 43.81 471980 987772 20 Average: 137284 0 626968 33.32 2620 1114672 1116324 38.10 458058 1082131 23 05:51:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:52:02 eth0 279.15 189.44 1051.55 73.59 0.00 0.00 0.00 0.00 05:52:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:52:02 docker0 2.65 2.11 0.46 4.80 0.00 0.00 0.00 0.00 05:53:01 eth0 4.44 0.83 1.07 0.61 0.00 0.00 0.00 0.00 05:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:54:01 eth0 3.65 1.08 1.23 0.76 0.00 0.00 0.00 0.00 05:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:55:01 eth0 3.08 1.00 1.08 0.61 0.00 0.00 0.00 0.00 05:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:56:01 eth0 3.36 3.06 0.47 15.03 0.00 0.00 0.00 0.00 05:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:57:01 eth0 2.63 2.50 0.53 13.27 0.00 0.00 0.00 0.00 05:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:58:01 eth0 0.18 0.08 0.01 0.01 0.00 0.00 0.00 0.00 05:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:59:01 eth0 0.92 0.08 0.07 0.01 0.00 0.00 0.00 0.00 05:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 eth0 0.83 0.55 0.33 0.98 0.00 0.00 0.00 0.00 06:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:01:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 0.00 06:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:02:01 eth0 203.96 155.70 2167.48 20.17 0.00 0.00 0.00 0.00 06:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 45.90 32.39 294.73 11.41 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 0.24 0.19 0.04 0.44 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) 04/19/21 _x86_64_ (4 CPU) 05:50:04 LINUX RESTART (4 CPU) 05:51:01 CPU %user %nice %system %iowait %steal %idle 05:52:02 all 12.52 0.00 5.04 1.87 18.37 62.20 05:52:02 0 12.52 0.00 6.07 1.42 18.01 61.98 05:52:02 1 12.11 0.00 4.82 2.01 18.84 62.22 05:52:02 2 11.64 0.00 5.31 2.22 18.20 62.63 05:52:02 3 13.81 0.00 3.98 1.82 18.43 61.97 05:53:01 all 0.12 0.00 0.07 0.00 1.85 97.96 05:53:01 0 0.27 0.00 0.05 0.00 1.06 98.62 05:53:01 1 0.10 0.00 0.05 0.00 2.05 97.80 05:53:01 2 0.03 0.00 0.05 0.00 1.80 98.11 05:53:01 3 0.07 0.00 0.12 0.00 2.49 97.33 05:54:01 all 0.12 0.00 0.16 0.00 0.96 98.76 05:54:01 0 0.31 0.00 0.12 0.00 1.04 98.53 05:54:01 1 0.05 0.00 0.21 0.00 1.27 98.46 05:54:01 2 0.08 0.00 0.17 0.00 0.65 99.10 05:54:01 3 0.03 0.00 0.13 0.00 0.88 98.96 05:55:01 all 0.12 0.00 0.04 0.00 0.32 99.53 05:55:01 0 0.37 0.00 0.05 0.00 0.63 98.95 05:55:01 1 0.02 0.00 0.02 0.00 0.17 99.80 05:55:01 2 0.03 0.00 0.03 0.00 0.27 99.67 05:55:01 3 0.07 0.00 0.05 0.00 0.20 99.68 05:56:01 all 0.12 0.00 0.08 0.00 0.37 99.43 05:56:01 0 0.15 0.00 0.05 0.00 0.47 99.34 05:56:01 1 0.08 0.00 0.12 0.00 0.22 99.58 05:56:01 2 0.08 0.00 0.05 0.00 0.40 99.47 05:56:01 3 0.17 0.00 0.12 0.00 0.40 99.32 05:57:01 all 0.07 0.00 0.06 0.00 0.48 99.39 05:57:01 0 0.10 0.00 0.07 0.00 0.25 99.58 05:57:01 1 0.07 0.00 0.07 0.00 0.30 99.57 05:57:01 2 0.07 0.00 0.07 0.00 0.58 99.29 05:57:01 3 0.05 0.00 0.03 0.00 0.80 99.12 05:58:01 all 0.01 0.00 0.04 0.00 0.13 99.82 05:58:01 0 0.00 0.00 0.03 0.00 0.07 99.90 05:58:01 1 0.00 0.00 0.03 0.00 0.03 99.93 05:58:01 2 0.03 0.00 0.05 0.00 0.22 99.70 05:58:01 3 0.02 0.00 0.03 0.00 0.22 99.73 05:59:01 all 0.02 0.00 0.03 0.00 0.12 99.83 05:59:01 0 0.00 0.00 0.00 0.00 0.20 99.80 05:59:01 1 0.03 0.00 0.02 0.00 0.03 99.92 05:59:01 2 0.00 0.00 0.03 0.00 0.03 99.93 05:59:01 3 0.07 0.00 0.07 0.00 0.22 99.65 06:00:01 all 0.02 0.00 0.01 0.00 0.25 99.71 06:00:01 0 0.03 0.00 0.03 0.00 0.37 99.57 06:00:01 1 0.03 0.00 0.00 0.00 0.37 99.60 06:00:01 2 0.02 0.00 0.02 0.00 0.12 99.85 06:00:01 3 0.02 0.00 0.00 0.00 0.17 99.82 06:01:01 all 0.17 0.00 0.05 0.00 0.23 99.55 06:01:01 0 0.17 0.00 0.03 0.00 0.08 99.72 06:01:01 1 0.28 0.00 0.03 0.00 0.13 99.55 06:01:01 2 0.22 0.00 0.08 0.00 0.60 99.10 06:01:01 3 0.02 0.00 0.03 0.00 0.10 99.85 06:02:01 all 4.28 0.00 3.46 2.66 18.96 70.65 06:02:01 0 3.34 0.00 3.56 1.17 19.32 72.61 06:02:01 1 3.53 0.00 3.38 2.18 18.72 72.18 06:02:01 2 5.36 0.00 3.41 3.44 18.52 69.27 06:02:01 3 4.91 0.00 3.49 3.90 19.25 68.45 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.65 0.00 0.85 0.43 3.94 93.13 Average: 0 1.61 0.00 0.95 0.24 3.91 93.29 Average: 1 1.54 0.00 0.83 0.40 3.98 93.26 Average: 2 1.64 0.00 0.87 0.53 3.86 93.10 Average: 3 1.80 0.00 0.75 0.53 4.02 92.89