---> uname -a: Linux prd-centos7-docker-4c-2g-1006.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: 2933.436 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 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 8.5G 41.4G 17% / 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 8.5G 41.4G 17% /facter-os /dev/vda1 50.0G 8.5G 41.4G 17% /etc/resolv.conf /dev/vda1 50.0G 8.5G 41.4G 17% /etc/hostname /dev/vda1 50.0G 8.5G 41.4G 17% /etc/hosts /dev/vda1 50.0G 8.5G 41.4G 17% /w/workspace/xfoundry_device-modbus-go_master@tmp /dev/vda1 50.0G 8.5G 41.4G 17% /var/log/sa-host /dev/vda1 50.0G 8.5G 41.4G 17% /var/log/secure /dev/vda1 50.0G 8.5G 41.4G 17% /var/log/auth.log /dev/vda1 50.0G 8.5G 41.4G 17% /run/cloud-init/result.json /dev/vda1 50.0G 8.5G 41.4G 17% /w/workspace/xfoundry_device-modbus-go_master ---> free -m: total used free shared buff/cache available Mem: 1837 819 148 0 870 953 Swap: 1023 2 1021 ---> 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:98:05:b4 brd ff:ff:ff:ff:ff:ff inet 10.30.123.231/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85594sec preferred_lft 85594sec inet6 fe80::f816:3eff:fe98:5b4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:e8:bc:74:dc 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:e8ff:febc:74dc/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) 22:38:44 LINUX RESTART (4 CPU) 22:39:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:40:01 190.06 105.26 84.81 0.00 10909.67 39150.31 0.00 22:41:01 2.41 0.00 2.41 0.00 0.00 53.36 0.00 22:42:01 0.33 0.00 0.33 0.00 0.00 4.40 0.00 22:43:01 0.33 0.00 0.33 0.00 0.00 5.33 0.00 22:44:01 0.72 0.00 0.72 0.00 0.00 8.94 0.00 22:45:01 0.42 0.00 0.42 0.00 0.00 5.81 0.00 22:46:01 0.15 0.00 0.15 0.00 0.00 2.16 0.00 22:47:02 0.27 0.00 0.27 0.00 0.00 3.48 0.00 22:48:01 0.30 0.00 0.30 0.00 0.00 3.10 0.00 22:49:01 0.32 0.00 0.32 0.00 0.00 3.88 0.00 22:50:01 0.28 0.00 0.28 0.00 0.00 2.83 0.00 22:51:01 311.29 177.22 134.07 0.00 9006.14 43941.96 0.00 22:52:01 244.80 112.21 132.60 0.00 7675.90 28830.60 0.00 Average: 57.98 30.44 27.53 0.00 2127.69 8639.13 0.00 22:39:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:40:01 174648 0 616136 32.75 2620 1088140 1128148 38.50 415876 1091952 128 22:41:01 178572 0 612120 32.53 2620 1088232 1094808 37.36 416468 1088356 20 22:42:01 178956 0 611728 32.51 2620 1088240 1091736 37.26 426904 1077928 8 22:43:01 173924 0 616760 32.78 2620 1088240 1091856 37.26 432236 1077928 8 22:44:01 169996 0 620680 32.99 2620 1088248 1091892 37.26 431948 1081852 8 22:45:01 170576 0 620096 32.96 2620 1088252 1091748 37.26 431612 1081716 8 22:46:01 166496 0 624172 33.17 2620 1088256 1089856 37.19 436212 1081556 8 22:47:02 165104 0 625560 33.25 2620 1088260 1089988 37.20 437084 1081556 8 22:48:01 165812 0 624844 33.21 2620 1088268 1089964 37.20 437008 1081560 8 22:49:01 168124 0 622528 33.09 2620 1088272 1079456 36.84 435156 1081156 8 22:50:01 168020 0 622632 33.09 2620 1088272 1079528 36.84 435416 1081156 8 22:51:01 73792 0 737688 39.21 2596 1067468 1515680 51.73 611448 954388 14308 22:52:01 75536 0 823524 43.77 1492 980992 1531628 52.27 636056 839172 48336 Average: 156120 0 644498 34.25 2531 1078395 1158945 39.55 460263 1053867 4836 22:39:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:40:01 eth0 480.40 270.73 1086.96 78.66 0.00 0.00 0.00 0.00 22:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:40:01 docker0 2.28 1.65 0.43 4.83 0.00 0.00 0.00 0.00 22:41:01 eth0 6.43 3.08 4.24 0.74 0.00 0.00 0.00 0.00 22:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:42:01 eth0 3.90 0.30 0.57 0.17 0.00 0.00 0.00 0.00 22:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:43:01 eth0 3.96 1.08 1.30 0.79 0.00 0.00 0.00 0.00 22:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:44:01 eth0 2.53 0.72 0.89 0.61 0.00 0.00 0.00 0.00 22:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:45:01 eth0 3.65 0.43 0.68 0.27 0.00 0.00 0.00 0.00 22:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:46:01 eth0 5.73 3.23 1.35 15.09 0.00 0.00 0.00 0.00 22:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:47:02 eth0 7.24 6.57 0.96 13.89 0.00 0.00 0.00 0.00 22:47:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:47:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:48:01 eth0 0.58 0.42 0.28 0.21 0.00 0.00 0.00 0.00 22:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:49:01 eth0 0.13 0.03 0.01 0.00 0.00 0.00 0.00 0.00 22:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:01 eth0 0.43 0.23 0.15 0.07 0.00 0.00 0.00 0.00 22:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:51:01 eth0 844.05 743.43 7525.90 66.59 0.00 0.00 0.00 0.00 22:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:51:01 docker0 53.16 54.31 4.73 260.94 0.00 0.00 0.00 0.00 22:52:01 eth0 300.53 221.39 1987.28 98.32 0.00 0.00 0.00 0.00 22:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:52:01 docker0 40.00 52.74 2.37 245.55 0.00 0.00 0.00 0.00 Average: eth0 128.02 96.57 818.89 21.23 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 7.36 8.39 0.58 39.45 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) 22:38:44 LINUX RESTART (4 CPU) 22:39:01 CPU %user %nice %system %iowait %steal %idle 22:40:01 all 17.18 0.00 9.52 5.59 0.39 67.33 22:40:01 0 15.14 0.00 10.56 5.25 0.41 68.63 22:40:01 1 18.26 0.00 8.26 7.28 0.40 65.80 22:40:01 2 16.64 0.00 8.39 4.37 0.45 70.16 22:40:01 3 18.67 0.00 10.89 5.45 0.29 64.70 22:41:01 all 0.23 0.00 0.08 0.00 0.01 99.69 22:41:01 0 0.12 0.00 0.08 0.00 0.00 99.80 22:41:01 1 0.10 0.00 0.03 0.00 0.00 99.87 22:41:01 2 0.60 0.00 0.08 0.00 0.02 99.30 22:41:01 3 0.10 0.00 0.10 0.00 0.02 99.78 22:42:01 all 0.18 0.00 0.06 0.00 0.01 99.75 22:42:01 0 0.03 0.00 0.12 0.00 0.02 99.83 22:42:01 1 0.08 0.00 0.07 0.00 0.02 99.83 22:42:01 2 0.45 0.00 0.03 0.00 0.02 99.50 22:42:01 3 0.15 0.00 0.03 0.00 0.00 99.82 22:43:01 all 0.18 0.00 0.05 0.00 0.00 99.77 22:43:01 0 0.07 0.00 0.10 0.00 0.02 99.82 22:43:01 1 0.38 0.00 0.05 0.00 0.00 99.57 22:43:01 2 0.10 0.00 0.03 0.00 0.00 99.87 22:43:01 3 0.15 0.00 0.03 0.00 0.00 99.82 22:44:01 all 0.18 0.00 0.10 0.00 0.02 99.71 22:44:01 0 0.10 0.00 0.12 0.00 0.02 99.77 22:44:01 1 0.47 0.00 0.07 0.00 0.03 99.43 22:44:01 2 0.08 0.00 0.08 0.00 0.00 99.83 22:44:01 3 0.07 0.00 0.12 0.00 0.02 99.80 22:45:01 all 0.16 0.00 0.08 0.00 0.00 99.75 22:45:01 0 0.02 0.00 0.15 0.00 0.00 99.83 22:45:01 1 0.05 0.00 0.03 0.00 0.00 99.92 22:45:01 2 0.13 0.00 0.10 0.00 0.02 99.75 22:45:01 3 0.45 0.00 0.03 0.00 0.00 99.52 22:46:01 all 0.30 0.00 0.08 0.00 0.02 99.61 22:46:01 0 0.10 0.00 0.07 0.00 0.02 99.82 22:46:01 1 0.60 0.00 0.05 0.00 0.02 99.33 22:46:01 2 0.22 0.00 0.12 0.00 0.00 99.67 22:46:01 3 0.27 0.00 0.08 0.00 0.03 99.62 22:47:02 all 0.16 0.00 0.08 0.00 0.02 99.73 22:47:02 0 0.13 0.00 0.08 0.00 0.03 99.75 22:47:02 1 0.23 0.00 0.07 0.00 0.03 99.67 22:47:02 2 0.07 0.00 0.10 0.00 0.02 99.82 22:47:02 3 0.22 0.00 0.08 0.00 0.02 99.68 22:48:01 all 0.06 0.00 0.04 0.00 0.01 99.89 22:48:01 0 0.07 0.00 0.05 0.00 0.02 99.86 22:48:01 1 0.15 0.00 0.05 0.00 0.02 99.78 22:48:01 2 0.02 0.00 0.02 0.00 0.00 99.97 22:48:01 3 0.02 0.00 0.03 0.00 0.00 99.95 22:49:01 all 0.10 0.00 0.05 0.00 0.00 99.85 22:49:01 0 0.05 0.00 0.03 0.00 0.00 99.92 22:49:01 1 0.22 0.00 0.07 0.00 0.02 99.70 22:49:01 2 0.08 0.00 0.07 0.00 0.00 99.85 22:49:01 3 0.03 0.00 0.02 0.00 0.00 99.95 22:50:01 all 0.16 0.00 0.03 0.00 0.00 99.80 22:50:01 0 0.02 0.00 0.02 0.00 0.00 99.97 22:50:01 1 0.52 0.00 0.02 0.00 0.00 99.47 22:50:01 2 0.08 0.00 0.07 0.00 0.02 99.83 22:50:01 3 0.02 0.00 0.03 0.00 0.00 99.95 22:50:01 CPU %user %nice %system %iowait %steal %idle 22:51:01 all 11.87 0.00 8.92 3.81 0.26 75.13 22:51:01 0 11.55 0.00 9.76 3.80 0.28 74.61 22:51:01 1 11.80 0.00 8.88 4.38 0.21 74.73 22:51:01 2 11.60 0.00 8.47 3.75 0.29 75.87 22:51:01 3 12.53 0.00 8.57 3.32 0.28 75.30 22:52:01 all 12.27 0.00 9.32 4.11 0.39 73.91 22:52:01 0 10.57 0.00 9.91 3.32 0.36 75.83 22:52:01 1 13.54 0.00 9.69 5.19 0.40 71.18 22:52:01 2 11.87 0.00 9.04 4.14 0.40 74.54 22:52:01 3 13.11 0.00 8.62 3.80 0.40 74.08 Average: all 3.23 0.00 2.13 1.01 0.09 93.54 Average: 0 2.84 0.00 2.33 0.93 0.09 93.82 Average: 1 3.49 0.00 2.06 1.27 0.09 93.10 Average: 2 3.16 0.00 2.00 0.92 0.09 93.83 Average: 3 3.43 0.00 2.15 0.94 0.08 93.40