---> uname -a: Linux prd-centos7-docker-4c-2g-21419.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 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/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-215 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/xfoundry_device-modbus-go_PR-215@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 ---> free -m: total used free shared buff/cache available Mem: 1837 719 81 0 1035 1013 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:06:61:d4 brd ff:ff:ff:ff:ff:ff inet 10.30.123.9/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85735sec preferred_lft 85735sec inet6 fe80::f816:3eff:fe06:61d4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:5b:2f:35:cb 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::42:5bff:fe2f:35cb/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) 01/20/21 _x86_64_ (4 CPU) 00:27:53 LINUX RESTART (4 CPU) 00:29:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:30:01 6.24 0.42 5.82 0.00 32.48 155.98 0.00 00:31:01 0.35 0.00 0.35 0.00 0.00 5.43 0.00 00:32:01 0.73 0.00 0.73 0.00 0.00 9.26 0.00 00:33:01 0.38 0.00 0.38 0.00 0.00 4.36 0.00 00:34:01 0.23 0.00 0.23 0.00 0.00 3.06 0.00 00:35:01 0.30 0.00 0.30 0.00 0.00 3.76 0.00 00:36:02 0.25 0.00 0.25 0.00 0.00 2.86 0.00 00:37:01 0.29 0.00 0.29 0.00 0.00 3.67 0.00 00:38:01 0.23 0.00 0.23 0.00 0.00 3.13 0.00 Average: 1.00 0.05 0.96 0.00 3.62 21.32 0.00 00:29:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:30:01 161748 0 566944 30.13 2620 1150232 1084256 37.00 417900 1103028 20 00:31:01 163280 0 565408 30.05 2620 1150236 1084076 37.00 417152 1102788 16 00:32:01 161748 0 566932 30.13 2620 1150244 1082020 36.93 428124 1093264 8 00:33:01 162348 0 566332 30.10 2620 1150244 1059200 36.15 428360 1092764 12 00:34:01 157120 0 571552 30.38 2620 1150252 1059380 36.15 436884 1089976 16 00:35:01 156872 0 571796 30.39 2620 1150256 1059368 36.15 437032 1089976 12 00:36:02 156600 0 572064 30.40 2620 1150260 1059392 36.16 437000 1089976 20 00:37:01 157132 0 571528 30.38 2620 1150264 1059332 36.15 436632 1089976 12 00:38:01 156524 0 572128 30.41 2620 1150272 1059440 36.16 437364 1089980 8 Average: 159264 0 569409 30.26 2620 1150251 1067385 36.43 430716 1093525 14 00:29:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:30:01 eth0 12.96 7.36 10.10 2.70 0.00 0.00 0.00 0.00 00:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:31:01 eth0 3.66 0.93 1.24 0.81 0.00 0.00 0.00 0.00 00:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:32:01 eth0 1.03 0.60 0.58 0.40 0.00 0.00 0.00 0.00 00:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:33:01 eth0 1.42 0.15 0.21 0.01 0.00 0.00 0.00 0.00 00:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:34:01 eth0 2.61 0.65 0.79 0.43 0.00 0.00 0.00 0.00 00:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:35:01 eth0 3.00 0.33 0.51 0.23 0.00 0.00 0.00 0.00 00:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:36:02 eth0 1.83 1.02 0.90 0.60 0.00 0.00 0.00 0.00 00:36:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:36:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:37:01 eth0 1.17 0.29 0.33 0.20 0.00 0.00 0.00 0.00 00:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:38:01 eth0 0.95 0.28 0.30 0.17 0.00 0.00 0.00 0.00 00:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 3.19 1.29 1.67 0.62 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 0.00 0.00 0.00 0.00 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) 01/20/21 _x86_64_ (4 CPU) 00:27:53 LINUX RESTART (4 CPU) 00:29:01 CPU %user %nice %system %iowait %steal %idle 00:30:01 all 0.54 0.00 0.23 0.06 0.07 99.10 00:30:01 0 0.45 0.00 0.37 0.05 0.02 99.12 00:30:01 1 0.55 0.00 0.17 0.13 0.08 99.07 00:30:01 2 0.87 0.00 0.22 0.03 0.08 98.80 00:30:01 3 0.28 0.00 0.18 0.02 0.08 99.43 00:31:01 all 0.15 0.00 0.04 0.00 0.12 99.69 00:31:01 0 0.05 0.00 0.03 0.00 0.05 99.87 00:31:01 1 0.08 0.00 0.05 0.00 0.15 99.72 00:31:01 2 0.40 0.00 0.05 0.00 0.12 99.43 00:31:01 3 0.07 0.00 0.03 0.00 0.15 99.75 00:32:01 all 0.15 0.00 0.15 0.00 0.19 99.51 00:32:01 0 0.08 0.00 0.13 0.00 0.20 99.58 00:32:01 1 0.45 0.00 0.13 0.00 0.22 99.20 00:32:01 2 0.07 0.00 0.23 0.00 0.18 99.52 00:32:01 3 0.02 0.00 0.10 0.00 0.15 99.73 00:33:01 all 0.14 0.00 0.03 0.00 0.05 99.78 00:33:01 0 0.02 0.00 0.02 0.00 0.03 99.93 00:33:01 1 0.48 0.00 0.05 0.00 0.08 99.38 00:33:01 2 0.03 0.00 0.03 0.00 0.07 99.87 00:33:01 3 0.02 0.00 0.02 0.00 0.02 99.95 00:34:01 all 0.17 0.00 0.09 0.00 0.21 99.54 00:34:01 0 0.40 0.00 0.08 0.00 0.13 99.38 00:34:01 1 0.08 0.00 0.10 0.00 0.18 99.63 00:34:01 2 0.12 0.00 0.13 0.00 0.37 99.38 00:34:01 3 0.07 0.00 0.03 0.00 0.15 99.75 00:35:01 all 0.07 0.00 0.04 0.00 0.07 99.82 00:35:01 0 0.17 0.00 0.03 0.00 0.07 99.73 00:35:01 1 0.07 0.00 0.08 0.00 0.07 99.78 00:35:01 2 0.02 0.00 0.02 0.00 0.10 99.87 00:35:01 3 0.03 0.00 0.03 0.00 0.03 99.90 00:36:02 all 0.17 0.00 0.05 0.00 0.04 99.75 00:36:02 0 0.23 0.00 0.05 0.00 0.05 99.67 00:36:02 1 0.07 0.00 0.03 0.00 0.05 99.85 00:36:02 2 0.33 0.00 0.07 0.00 0.03 99.57 00:36:02 3 0.03 0.00 0.03 0.00 0.03 99.90 00:37:01 all 0.12 0.00 0.04 0.00 0.08 99.76 00:37:01 0 0.02 0.00 0.02 0.00 0.00 99.97 00:37:01 1 0.05 0.00 0.03 0.00 0.10 99.81 00:37:01 2 0.37 0.00 0.05 0.00 0.12 99.46 00:37:01 3 0.05 0.00 0.05 0.00 0.10 99.80 00:38:01 all 0.14 0.00 0.03 0.00 0.08 99.74 00:38:01 0 0.02 0.00 0.02 0.00 0.05 99.92 00:38:01 1 0.08 0.00 0.05 0.00 0.08 99.78 00:38:01 2 0.43 0.00 0.05 0.00 0.10 99.42 00:38:01 3 0.03 0.00 0.02 0.00 0.10 99.85 Average: all 0.18 0.00 0.08 0.01 0.10 99.63 Average: 0 0.16 0.00 0.08 0.01 0.07 99.68 Average: 1 0.21 0.00 0.08 0.01 0.11 99.58 Average: 2 0.29 0.00 0.09 0.00 0.13 99.48 Average: 3 0.07 0.00 0.06 0.00 0.09 99.78