---> uname -a: Linux prd-centos7-docker-4c-2g-3798.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 8.2G 41.8G 16% / 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 8.2G 41.8G 16% /facter-os /dev/vda1 50.0G 8.2G 41.8G 16% /etc/resolv.conf /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hostname /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hosts /dev/vda1 50.0G 8.2G 41.8G 16% /var/log/auth.log /dev/vda1 50.0G 8.2G 41.8G 16% /run/cloud-init/result.json /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/xfoundry_device-modbus-go_master /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/xfoundry_device-modbus-go_master@tmp /dev/vda1 50.0G 8.2G 41.8G 16% /var/log/sa-host /dev/vda1 50.0G 8.2G 41.8G 16% /var/log/secure ---> free -m: total used free shared buff/cache available Mem: 1837 848 153 0 835 923 Swap: 1023 3 1020 ---> 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:74:5f:7d brd ff:ff:ff:ff:ff:ff inet 10.30.122.51/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85392sec preferred_lft 85392sec inet6 fe80::f816:3eff:fe74:5f7d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:9e:39:7e:37 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::42:9eff:fe39:7e37/64 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) 05/09/21 _x86_64_ (4 CPU) 10:48:52 LINUX RESTART (4 CPU) 10:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:51:01 54.96 17.06 37.91 0.00 4684.71 3775.80 0.00 10:52:02 9.51 3.15 6.36 0.00 658.59 180.20 0.00 10:53:01 0.42 0.00 0.42 0.00 0.00 6.28 0.00 10:54:01 0.30 0.00 0.30 0.00 0.00 3.72 0.00 10:55:01 0.30 0.00 0.30 0.00 0.00 4.68 0.00 10:56:01 0.30 0.00 0.30 0.00 0.00 3.40 0.00 10:57:01 0.20 0.00 0.20 0.00 0.00 1.63 0.00 10:58:01 0.25 0.00 0.25 0.00 0.00 3.48 0.00 10:59:02 0.25 0.00 0.25 0.00 0.00 3.13 0.00 11:00:01 0.29 0.00 0.29 0.00 0.00 3.40 0.00 11:01:01 0.30 0.02 0.28 0.00 0.13 3.13 0.00 11:02:01 17.21 6.93 10.28 0.00 697.80 5841.12 0.00 11:03:02 312.36 190.33 122.03 0.00 8302.19 31251.73 0.00 11:04:01 189.85 45.75 144.10 0.00 2747.15 29722.69 0.00 11:05:02 94.60 76.24 18.35 0.00 5735.21 4445.04 0.00 Average: 45.43 22.71 22.72 0.00 1523.70 5012.13 0.00 10:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:51:01 75352 0 684280 36.37 2620 1119292 1934740 66.03 464104 1137960 40 10:52:02 162852 0 614484 32.66 2620 1101588 1146288 39.12 439328 1078776 8 10:53:01 166428 0 610904 32.47 2620 1101592 1113380 38.00 437336 1077644 20 10:54:01 163060 0 614268 32.65 2620 1101596 1102036 37.61 442728 1075924 20 10:55:01 160904 0 616420 32.76 2620 1101600 1102084 37.61 446452 1074464 20 10:56:01 158160 0 619156 32.91 2620 1101608 1102096 37.61 456628 1067032 8 10:57:01 157804 0 619512 32.93 2620 1101608 1102072 37.61 457372 1066828 20 10:58:01 156992 0 620316 32.97 2620 1101616 1102060 37.61 457808 1066832 20 10:59:02 162088 0 615216 32.70 2620 1101620 1073204 36.63 454768 1065924 8 11:00:01 160548 0 616752 32.78 2620 1101624 1073372 36.63 456220 1065924 16 11:01:01 157788 0 619508 32.93 2620 1101628 1076064 36.72 458440 1065924 8 11:02:01 65168 0 706628 37.56 2620 1107128 1590332 54.28 529308 1078580 93844 11:03:02 244460 0 713188 37.90 2596 921300 1240908 42.35 516300 862008 40 11:04:01 134632 0 808640 42.98 1880 936392 1439436 49.13 572152 844604 196 11:05:02 71844 0 850840 45.22 1544 957316 1622456 55.37 634184 837168 10700 Average: 146539 0 662007 35.18 2497 1070501 1254702 42.82 481542 1031039 6998 10:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:51:01 veth33069df 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:51:01 veth81c71ec 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:51:01 eth0 179.34 142.93 862.74 62.12 0.00 0.00 0.00 0.00 10:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:52:02 eth0 22.12 17.64 28.98 8.04 0.00 0.00 0.00 0.00 10:52:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:52:02 docker0 1.61 1.71 0.40 4.90 0.00 0.00 0.00 0.00 10:53:01 eth0 2.48 0.57 0.67 0.40 0.00 0.00 0.00 0.00 10:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:54:01 eth0 4.39 0.86 1.09 0.58 0.00 0.00 0.00 0.00 10:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:55:01 eth0 2.83 0.92 1.02 0.68 0.00 0.00 0.00 0.00 10:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:56:01 eth0 3.44 0.71 0.81 0.40 0.00 0.00 0.00 0.00 10:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:57:01 eth0 1.45 0.83 0.81 0.59 0.00 0.00 0.00 0.00 10:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:58:01 eth0 0.47 0.23 0.27 0.16 0.00 0.00 0.00 0.00 10:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:59:02 eth0 0.62 0.08 0.06 0.04 0.00 0.00 0.00 0.00 10:59:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:59:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:01 eth0 1.12 0.30 0.33 0.20 0.00 0.00 0.00 0.00 11:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:01:01 eth0 0.68 0.48 0.41 0.24 0.00 0.00 0.00 0.00 11:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:02:01 eth0 391.83 333.89 3926.63 67.13 0.00 0.00 0.00 0.00 11:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:03:02 veth4d85bbe 0.00 0.10 0.00 0.01 0.00 0.00 0.00 0.00 11:03:02 eth0 91.22 84.19 411.03 18.07 0.00 0.00 0.00 0.00 11:03:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:03:02 docker0 52.26 53.05 4.66 259.23 0.00 0.00 0.00 0.00 11:04:01 vethcfc0255 0.00 0.10 0.00 0.01 0.00 0.00 0.00 0.00 11:04:01 eth0 351.42 300.69 3246.32 88.13 0.00 0.00 0.00 0.00 11:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:05:02 eth0 106.92 78.47 485.41 34.41 0.00 0.00 0.00 0.00 11:05:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:05:02 docker0 20.78 34.83 1.36 256.76 0.00 0.00 0.00 0.00 Average: eth0 77.31 64.15 597.61 18.71 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 5.01 6.01 0.43 34.98 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) 05/09/21 _x86_64_ (4 CPU) 10:48:52 LINUX RESTART (4 CPU) 10:50:02 CPU %user %nice %system %iowait %steal %idle 10:51:01 all 9.86 0.00 4.00 1.70 35.97 48.47 10:51:01 0 7.80 0.00 3.93 1.75 37.60 48.92 10:51:01 1 9.89 0.00 3.94 2.42 36.47 47.28 10:51:01 2 11.08 0.00 4.06 1.23 34.56 49.07 10:51:01 3 10.77 0.00 4.06 1.40 35.16 48.61 10:52:02 all 1.00 0.00 1.61 0.21 12.38 84.80 10:52:02 0 0.92 0.00 1.82 0.02 13.08 84.17 10:52:02 1 1.07 0.00 1.32 0.26 11.69 85.66 10:52:02 2 0.83 0.00 1.46 0.23 12.53 84.94 10:52:02 3 1.20 0.00 1.84 0.33 12.20 84.44 10:53:01 all 0.03 0.00 0.05 0.00 1.75 98.16 10:53:01 0 0.02 0.00 0.08 0.00 1.72 98.18 10:53:01 1 0.03 0.00 0.03 0.00 0.86 99.08 10:53:01 2 0.07 0.00 0.03 0.00 1.95 97.95 10:53:01 3 0.02 0.00 0.07 0.00 2.48 97.43 10:54:01 all 0.08 0.00 0.26 0.00 2.47 97.19 10:54:01 0 0.07 0.00 0.15 0.00 2.32 97.47 10:54:01 1 0.03 0.00 0.07 0.00 2.22 97.68 10:54:01 2 0.15 0.00 0.69 0.00 2.37 96.80 10:54:01 3 0.06 0.00 0.13 0.00 2.98 96.83 10:55:01 all 0.07 0.00 0.05 0.00 1.21 98.67 10:55:01 0 0.05 0.00 0.12 0.00 1.30 98.53 10:55:01 1 0.03 0.00 0.03 0.00 1.32 98.62 10:55:01 2 0.07 0.00 0.03 0.00 1.73 98.18 10:55:01 3 0.12 0.00 0.03 0.00 0.50 99.35 10:56:01 all 0.07 0.00 0.12 0.00 2.30 97.51 10:56:01 0 0.10 0.00 0.18 0.00 1.85 97.87 10:56:01 1 0.00 0.00 0.03 0.00 2.41 97.56 10:56:01 2 0.15 0.00 0.11 0.00 2.99 96.75 10:56:01 3 0.02 0.00 0.16 0.00 1.93 97.89 10:57:01 all 0.12 0.00 0.03 0.00 0.91 98.93 10:57:01 0 0.00 0.00 0.02 0.00 1.20 98.78 10:57:01 1 0.10 0.00 0.07 0.00 1.04 98.79 10:57:01 2 0.17 0.00 0.02 0.00 0.81 99.01 10:57:01 3 0.23 0.00 0.03 0.00 0.58 99.15 10:58:01 all 0.07 0.00 0.02 0.00 0.56 99.35 10:58:01 0 0.02 0.00 0.02 0.00 0.40 99.57 10:58:01 1 0.20 0.00 0.02 0.00 0.40 99.38 10:58:01 2 0.03 0.00 0.03 0.00 0.66 99.27 10:58:01 3 0.03 0.00 0.02 0.00 0.78 99.17 10:59:02 all 0.08 0.00 0.03 0.00 0.76 99.12 10:59:02 0 0.03 0.00 0.05 0.00 1.89 98.03 10:59:02 1 0.28 0.00 0.02 0.00 0.50 99.20 10:59:02 2 0.02 0.00 0.05 0.00 0.33 99.60 10:59:02 3 0.00 0.00 0.02 0.00 0.32 99.67 11:00:01 all 0.09 0.00 0.04 0.00 0.69 99.18 11:00:01 0 0.03 0.00 0.07 0.00 1.17 98.73 11:00:01 1 0.29 0.00 0.02 0.00 0.56 99.14 11:00:01 2 0.03 0.00 0.03 0.00 0.79 99.14 11:00:01 3 0.02 0.00 0.03 0.00 0.22 99.73 11:01:01 all 0.08 0.00 0.04 0.00 1.21 98.67 11:01:01 0 0.05 0.00 0.02 0.00 0.86 99.07 11:01:01 1 0.20 0.00 0.05 0.00 1.38 98.37 11:01:01 2 0.05 0.00 0.03 0.00 1.14 98.78 11:01:01 3 0.03 0.00 0.07 0.00 1.43 98.47 11:01:01 CPU %user %nice %system %iowait %steal %idle 11:02:01 all 1.25 0.00 1.31 0.11 10.54 86.78 11:02:01 0 1.48 0.00 1.39 0.10 10.78 86.25 11:02:01 1 1.27 0.00 1.85 0.22 9.33 87.34 11:02:01 2 1.27 0.00 1.06 0.11 11.83 85.73 11:02:01 3 1.01 0.00 0.97 0.00 10.20 87.82 11:03:02 all 6.05 0.00 6.18 3.04 23.74 61.00 11:03:02 0 5.68 0.00 6.15 2.34 23.93 61.90 11:03:02 1 6.04 0.00 5.81 2.64 23.59 61.93 11:03:02 2 6.70 0.00 6.96 3.32 24.18 58.83 11:03:02 3 5.80 0.00 5.80 3.85 23.26 61.27 11:04:01 all 5.05 0.00 5.96 1.22 31.86 55.91 11:04:01 0 4.90 0.00 5.37 0.83 32.77 56.13 11:04:01 1 5.24 0.00 5.73 1.76 32.58 54.69 11:04:01 2 5.01 0.00 6.47 1.37 32.08 55.07 11:04:01 3 5.07 0.00 6.28 0.92 29.96 57.78 11:05:02 all 5.10 0.00 5.48 3.10 17.55 68.77 11:05:02 0 3.47 0.00 4.58 1.33 18.52 72.10 11:05:02 1 3.28 0.00 5.40 1.62 17.75 71.96 11:05:02 2 9.69 0.00 6.11 6.08 16.73 61.39 11:05:02 3 4.10 0.00 5.86 3.47 17.15 69.42 Average: all 2.05 0.00 1.77 0.66 10.09 85.43 Average: 0 1.76 0.00 1.69 0.46 10.58 85.51 Average: 1 1.98 0.00 1.72 0.63 10.00 85.67 Average: 2 2.47 0.00 1.89 0.86 10.07 84.72 Average: 3 2.01 0.00 1.77 0.70 9.70 85.82