---> uname -a: Linux prd-centos7-docker-4c-2g-10059.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: 2933.442 BogoMIPS: 5866.88 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 7.6G 42.4G 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 7.6G 42.4G 15% /facter-os /dev/vda1 50.0G 7.6G 42.4G 15% /etc/resolv.conf /dev/vda1 50.0G 7.6G 42.4G 15% /etc/hostname /dev/vda1 50.0G 7.6G 42.4G 15% /etc/hosts /dev/vda1 50.0G 7.6G 42.4G 15% /var/log/sa-host /dev/vda1 50.0G 7.6G 42.4G 15% /var/log/secure /dev/vda1 50.0G 7.6G 42.4G 15% /var/log/auth.log /dev/vda1 50.0G 7.6G 42.4G 15% /run/cloud-init/result.json /dev/vda1 50.0G 7.6G 42.4G 15% /w/workspace/xfoundry_device-modbus-go_PR-186 /dev/vda1 50.0G 7.6G 42.4G 15% /w/workspace/xfoundry_device-modbus-go_PR-186@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 735 153 0 948 1013 Swap: 1023 1 1022 ---> 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:14:6f:4c brd ff:ff:ff:ff:ff:ff inet 10.30.123.159/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85305sec preferred_lft 85305sec inet6 fe80::f816:3eff:fe14:6f4c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:4f:de:cb:12 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::42:4fff:fede:cb12/64 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) 11/02/20 _x86_64_ (4 CPU) 06:41:20 LINUX RESTART (4 CPU) 06:42:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:43:01 205.67 80.76 124.91 0.00 8305.60 27354.05 0.00 06:44:01 168.99 61.40 107.59 0.00 2953.34 16307.54 0.00 06:45:01 165.65 95.39 70.26 0.00 3714.43 5543.37 0.00 06:46:02 0.20 0.00 0.20 0.00 0.00 2.96 0.00 06:47:01 0.30 0.02 0.29 0.00 0.54 4.69 0.00 06:48:01 0.45 0.18 0.27 0.00 88.61 3.51 0.00 06:49:01 0.23 0.03 0.20 0.00 0.67 2.02 0.00 06:50:01 0.28 0.00 0.28 0.00 0.00 3.11 0.00 06:51:01 0.27 0.00 0.27 0.00 0.00 2.58 0.00 06:52:01 0.28 0.00 0.28 0.00 0.00 3.08 0.00 06:53:01 0.25 0.00 0.25 0.00 0.00 2.70 0.00 06:54:01 0.15 0.00 0.15 0.00 0.00 2.02 0.00 06:55:01 0.28 0.00 0.28 0.00 0.00 3.35 0.00 06:56:01 0.22 0.00 0.22 0.00 0.00 3.10 0.00 06:57:01 0.72 0.45 0.27 0.00 30.77 3.80 0.00 06:58:01 0.75 0.02 0.73 0.00 0.53 13.82 0.00 06:59:01 0.28 0.00 0.28 0.00 0.00 3.23 0.00 Average: 32.12 14.04 18.08 0.00 889.64 2903.30 0.00 06:42:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:43:01 151880 0 670248 35.62 2620 1056808 1441016 49.18 456188 1072468 44 06:44:01 191128 0 713196 37.90 2596 974636 1763780 60.19 486320 971360 20 06:45:01 245412 0 658044 34.97 2596 975504 1111504 37.93 543936 868796 20 06:46:02 248728 0 654728 34.80 2596 975504 1099948 37.54 542092 867732 20 06:47:01 249588 0 653860 34.75 2596 975512 1090504 37.22 543452 866540 8 06:48:01 244368 0 656432 34.89 2596 978160 1087396 37.11 569212 845776 8 06:49:01 245320 0 655456 34.84 2596 978184 1081228 36.90 572420 841912 8 06:50:01 245204 0 655568 34.84 2596 978188 1081228 36.90 572568 841912 8 06:51:01 244892 0 655872 34.86 2596 978196 1081228 36.90 572704 841912 8 06:52:01 245112 0 655648 34.85 2596 978200 1081228 36.90 570196 844304 8 06:53:01 244720 0 656036 34.87 2596 978204 1081288 36.90 570536 844308 8 06:54:01 244768 0 655980 34.86 2596 978212 1081288 36.90 570556 844304 8 06:55:01 244360 0 656384 34.89 2596 978216 1081372 36.91 563196 852128 20 06:56:01 244168 0 656572 34.90 2596 978220 1081372 36.91 563204 852128 8 06:57:01 243548 0 656472 34.89 2596 978940 1081312 36.90 563856 851784 16 06:58:01 243260 0 656700 34.90 2596 979000 1081372 36.91 564268 851796 16 06:59:01 244104 0 655908 34.86 2596 978948 1081228 36.90 563492 851784 16 Average: 236504 0 660183 35.09 2597 982272 1146370 39.12 552247 871232 14 06:42:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:43:01 veth988c701 2.10 2.76 0.14 13.71 0.00 0.00 0.00 0.00 06:43:01 eth0 683.29 488.61 3703.85 103.26 0.00 0.00 0.00 0.00 06:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:43:01 docker0 4.26 4.59 0.51 17.54 0.00 0.00 0.00 0.00 06:44:01 eth0 200.60 148.64 823.63 22.11 0.00 0.00 0.00 0.00 06:44:01 vetha974e53 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:44:01 veth228c567 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:45:01 eth0 60.79 45.18 60.00 74.04 0.00 0.00 0.00 0.00 06:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:45:01 docker0 140.57 180.06 9.95 844.16 0.00 0.00 0.00 0.00 06:46:02 eth0 3.65 0.62 0.84 0.43 0.00 0.00 0.00 0.00 06:46:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:46:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:47:01 eth0 1.49 0.80 0.82 0.60 0.00 0.00 0.00 0.00 06:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:48:01 eth0 0.43 0.18 0.15 0.07 0.00 0.00 0.00 0.00 06:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:49:01 eth0 0.17 0.08 0.01 0.01 0.00 0.00 0.00 0.00 06:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:01 eth0 0.23 0.08 0.02 0.01 0.00 0.00 0.00 0.00 06:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:51:01 eth0 0.22 0.08 0.02 0.01 0.00 0.00 0.00 0.00 06:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:52:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 0.00 06:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:53:01 eth0 0.28 0.17 0.09 0.07 0.00 0.00 0.00 0.00 06:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:54:01 eth0 0.32 0.17 0.07 0.01 0.00 0.00 0.00 0.00 06:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:55:01 eth0 4.60 0.37 0.61 0.20 0.00 0.00 0.00 0.00 06:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:56:01 eth0 2.37 0.57 0.63 0.39 0.00 0.00 0.00 0.00 06:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:57:01 eth0 2.41 0.12 0.29 0.07 0.00 0.00 0.00 0.00 06:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:58:01 eth0 1.85 1.05 1.12 0.75 0.00 0.00 0.00 0.00 06:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:59:01 eth0 0.17 0.08 0.01 0.04 0.00 0.00 0.00 0.00 06:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 56.76 40.49 270.70 11.91 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 8.28 10.61 0.59 49.73 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) 11/02/20 _x86_64_ (4 CPU) 06:41:20 LINUX RESTART (4 CPU) 06:42:01 CPU %user %nice %system %iowait %steal %idle 06:43:01 all 16.02 0.00 7.66 2.82 0.69 72.81 06:43:01 0 13.04 0.00 8.26 3.53 0.60 74.57 06:43:01 1 17.85 0.00 7.42 1.77 0.73 72.22 06:43:01 2 17.03 0.00 7.40 2.48 0.62 72.47 06:43:01 3 16.16 0.00 7.55 3.49 0.80 72.00 06:44:01 all 5.15 0.00 4.35 4.22 0.19 86.10 06:44:01 0 5.09 0.00 3.64 1.67 0.19 89.41 06:44:01 1 4.97 0.00 4.33 4.31 0.19 86.21 06:44:01 2 5.39 0.00 4.65 4.95 0.24 84.77 06:44:01 3 5.14 0.00 4.79 5.92 0.14 84.01 06:45:01 all 27.49 0.00 8.77 2.53 0.43 60.79 06:45:01 0 26.46 0.00 8.81 1.72 0.46 62.54 06:45:01 1 28.26 0.00 9.12 1.64 0.34 60.63 06:45:01 2 27.81 0.00 8.95 3.50 0.33 59.41 06:45:01 3 27.41 0.00 8.20 3.25 0.58 60.56 06:46:02 all 0.17 0.00 0.04 0.00 0.01 99.78 06:46:02 0 0.07 0.00 0.02 0.00 0.02 99.90 06:46:02 1 0.08 0.00 0.07 0.00 0.02 99.83 06:46:02 2 0.48 0.00 0.05 0.00 0.00 99.47 06:46:02 3 0.03 0.00 0.03 0.00 0.00 99.93 06:47:01 all 0.16 0.00 0.05 0.00 0.00 99.79 06:47:01 0 0.02 0.00 0.03 0.00 0.00 99.95 06:47:01 1 0.07 0.00 0.07 0.00 0.00 99.86 06:47:01 2 0.51 0.00 0.05 0.00 0.02 99.42 06:47:01 3 0.03 0.00 0.03 0.00 0.00 99.93 06:48:01 all 0.15 0.00 0.06 0.00 0.00 99.78 06:48:01 0 0.03 0.00 0.03 0.02 0.00 99.92 06:48:01 1 0.02 0.00 0.13 0.00 0.00 99.85 06:48:01 2 0.52 0.00 0.03 0.00 0.00 99.45 06:48:01 3 0.05 0.00 0.05 0.00 0.00 99.90 06:49:01 all 0.15 0.00 0.06 0.00 0.00 99.80 06:49:01 0 0.02 0.00 0.03 0.00 0.00 99.95 06:49:01 1 0.02 0.00 0.13 0.00 0.00 99.85 06:49:01 2 0.50 0.00 0.03 0.00 0.00 99.47 06:49:01 3 0.05 0.00 0.03 0.00 0.00 99.92 06:50:01 all 0.07 0.00 0.03 0.00 0.00 99.90 06:50:01 0 0.02 0.00 0.00 0.00 0.00 99.98 06:50:01 1 0.02 0.00 0.02 0.00 0.00 99.97 06:50:01 2 0.17 0.00 0.07 0.00 0.00 99.77 06:50:01 3 0.07 0.00 0.03 0.00 0.00 99.90 06:51:01 all 0.13 0.00 0.04 0.00 0.00 99.83 06:51:01 0 0.03 0.00 0.03 0.00 0.00 99.93 06:51:01 1 0.05 0.00 0.05 0.00 0.02 99.88 06:51:01 2 0.38 0.00 0.03 0.00 0.00 99.58 06:51:01 3 0.03 0.00 0.05 0.00 0.00 99.92 06:52:01 all 0.15 0.00 0.03 0.00 0.00 99.81 06:52:01 0 0.02 0.00 0.02 0.00 0.00 99.97 06:52:01 1 0.03 0.00 0.03 0.00 0.00 99.93 06:52:01 2 0.50 0.00 0.03 0.00 0.02 99.45 06:52:01 3 0.07 0.00 0.05 0.00 0.00 99.88 06:53:01 all 0.15 0.00 0.02 0.00 0.00 99.83 06:53:01 0 0.00 0.00 0.02 0.00 0.00 99.98 06:53:01 1 0.03 0.00 0.02 0.00 0.00 99.95 06:53:01 2 0.53 0.00 0.02 0.00 0.00 99.45 06:53:01 3 0.05 0.00 0.03 0.00 0.00 99.92 06:53:01 CPU %user %nice %system %iowait %steal %idle 06:54:01 all 0.17 0.00 0.02 0.00 0.00 99.80 06:54:01 0 0.03 0.00 0.02 0.00 0.00 99.95 06:54:01 1 0.07 0.00 0.03 0.00 0.00 99.90 06:54:01 2 0.53 0.00 0.02 0.00 0.00 99.45 06:54:01 3 0.07 0.00 0.03 0.00 0.00 99.90 06:55:01 all 0.17 0.00 0.03 0.00 0.00 99.80 06:55:01 0 0.03 0.00 0.02 0.00 0.00 99.95 06:55:01 1 0.05 0.00 0.03 0.00 0.00 99.92 06:55:01 2 0.53 0.00 0.03 0.00 0.00 99.43 06:55:01 3 0.07 0.00 0.05 0.00 0.00 99.88 06:56:01 all 0.15 0.00 0.03 0.00 0.00 99.82 06:56:01 0 0.03 0.00 0.03 0.00 0.00 99.93 06:56:01 1 0.18 0.00 0.02 0.00 0.00 99.80 06:56:01 2 0.37 0.00 0.03 0.00 0.00 99.60 06:56:01 3 0.03 0.00 0.03 0.00 0.00 99.93 06:57:01 all 0.16 0.00 0.05 0.00 0.01 99.78 06:57:01 0 0.03 0.00 0.03 0.00 0.02 99.92 06:57:01 1 0.53 0.00 0.03 0.00 0.00 99.43 06:57:01 2 0.03 0.00 0.08 0.02 0.00 99.87 06:57:01 3 0.03 0.00 0.05 0.00 0.02 99.90 06:58:01 all 0.16 0.00 0.03 0.00 0.00 99.81 06:58:01 0 0.05 0.00 0.03 0.00 0.00 99.92 06:58:01 1 0.50 0.00 0.03 0.00 0.00 99.47 06:58:01 2 0.02 0.00 0.02 0.00 0.00 99.97 06:58:01 3 0.07 0.00 0.05 0.00 0.00 99.88 06:59:01 all 0.08 0.00 0.05 0.00 0.00 99.87 06:59:01 0 0.02 0.00 0.02 0.00 0.00 99.97 06:59:01 1 0.23 0.00 0.10 0.00 0.00 99.67 06:59:01 2 0.02 0.00 0.03 0.00 0.00 99.95 06:59:01 3 0.07 0.00 0.03 0.00 0.00 99.90 Average: all 2.92 0.00 1.23 0.55 0.08 95.22 Average: 0 2.59 0.00 1.21 0.40 0.07 95.73 Average: 1 3.06 0.00 1.25 0.45 0.07 95.17 Average: 2 3.19 0.00 1.24 0.63 0.07 94.86 Average: 3 2.84 0.00 1.22 0.73 0.09 95.12