---> uname -a: Linux prd-centos7-docker-4c-2g-12218.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 7.2G 42.8G 14% / 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 7.2G 42.8G 14% /facter-os /dev/vda1 50.0G 7.2G 42.8G 14% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hostname /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hosts /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/auth.log /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/xfoundry_device-modbus-go_PR-188 /dev/vda1 50.0G 7.2G 42.8G 14% /run/cloud-init/result.json /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/xfoundry_device-modbus-go_PR-188@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa-host /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/secure ---> free -m: total used free shared buff/cache available Mem: 1837 687 112 0 1038 1047 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:06:35:d1 brd ff:ff:ff:ff:ff:ff inet 10.30.123.59/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85890sec preferred_lft 85890sec inet6 fe80::f816:3eff:fe06:35d1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:d2:cd:0f:38 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:d2ff:fecd:f38/64 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) 11/16/20 _x86_64_ (4 CPU) 06:26:41 LINUX RESTART (4 CPU) 06:28:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:29:01 3.48 0.00 3.48 0.00 0.00 102.70 0.00 06:30:01 0.92 0.00 0.92 0.00 0.00 13.11 0.00 06:31:01 0.62 0.00 0.62 0.00 0.00 7.20 0.00 06:32:01 0.25 0.00 0.25 0.00 0.00 4.10 0.00 06:33:01 0.53 0.00 0.53 0.00 0.00 9.44 0.00 06:34:01 0.27 0.02 0.25 0.00 0.13 3.66 0.00 06:35:01 0.70 0.42 0.28 0.00 131.47 3.35 0.00 Average: 0.97 0.06 0.90 0.00 18.80 20.51 0.00 06:28:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:29:01 166272 0 576848 30.66 2620 1135816 1087904 37.13 447024 1109140 16 06:30:01 165180 0 577932 30.72 2620 1135824 1082788 36.95 449236 1108520 8 06:31:01 161952 0 581152 30.89 2620 1135832 1080756 36.88 453128 1107808 8 06:32:01 161468 0 581636 30.91 2620 1135832 1078652 36.81 465584 1095612 12 06:33:01 161060 0 582036 30.93 2620 1135840 1079200 36.83 466144 1095612 16 06:34:01 160852 0 582236 30.94 2620 1135848 1079236 36.83 466608 1095612 12 06:35:01 150008 0 589064 31.31 2620 1139864 1070428 36.53 460144 1106556 52 Average: 160970 0 581558 30.91 2620 1136408 1079852 36.85 458267 1102694 18 06:28:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:29:01 eth0 2.36 0.47 0.57 0.25 0.00 0.00 0.00 0.00 06:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:30:01 eth0 2.95 0.63 0.72 0.40 0.00 0.00 0.00 0.00 06:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:31:01 eth0 2.63 0.68 0.68 0.37 0.00 0.00 0.00 0.00 06:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:32:01 eth0 2.11 0.60 0.65 0.43 0.00 0.00 0.00 0.00 06:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:33:01 eth0 1.53 0.82 0.70 0.44 0.00 0.00 0.00 0.00 06:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:34:01 eth0 0.70 0.40 0.29 0.24 0.00 0.00 0.00 0.00 06:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:35:01 eth0 4.71 3.01 4.54 1.58 0.00 0.00 0.00 0.00 06:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 2.43 0.94 1.16 0.53 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 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 11/16/20 _x86_64_ (4 CPU) 06:26:41 LINUX RESTART (4 CPU) 06:28:01 CPU %user %nice %system %iowait %steal %idle 06:29:01 all 0.17 0.00 0.06 0.00 0.00 99.77 06:29:01 0 0.03 0.00 0.07 0.00 0.00 99.90 06:29:01 1 0.08 0.00 0.10 0.00 0.00 99.82 06:29:01 2 0.03 0.00 0.05 0.00 0.00 99.92 06:29:01 3 0.53 0.00 0.03 0.00 0.00 99.43 06:30:01 all 0.11 0.00 0.04 0.00 0.00 99.85 06:30:01 0 0.03 0.00 0.02 0.00 0.00 99.95 06:30:01 1 0.05 0.00 0.02 0.00 0.00 99.93 06:30:01 2 0.07 0.00 0.07 0.00 0.00 99.87 06:30:01 3 0.28 0.00 0.07 0.00 0.00 99.65 06:31:01 all 0.05 0.00 0.04 0.00 0.00 99.92 06:31:01 0 0.03 0.00 0.02 0.00 0.00 99.95 06:31:01 1 0.07 0.00 0.03 0.00 0.00 99.90 06:31:01 2 0.05 0.00 0.05 0.00 0.00 99.90 06:31:01 3 0.03 0.00 0.05 0.00 0.00 99.92 06:32:01 all 0.16 0.00 0.04 0.00 0.00 99.80 06:32:01 0 0.03 0.00 0.03 0.00 0.00 99.93 06:32:01 1 0.03 0.00 0.05 0.00 0.00 99.92 06:32:01 2 0.07 0.00 0.03 0.00 0.02 99.88 06:32:01 3 0.52 0.00 0.03 0.00 0.00 99.45 06:33:01 all 0.18 0.00 0.03 0.00 0.00 99.79 06:33:01 0 0.05 0.00 0.03 0.00 0.00 99.92 06:33:01 1 0.05 0.00 0.03 0.00 0.00 99.92 06:33:01 2 0.10 0.00 0.03 0.00 0.00 99.87 06:33:01 3 0.53 0.00 0.02 0.00 0.00 99.45 06:34:01 all 0.15 0.00 0.03 0.00 0.00 99.82 06:34:01 0 0.03 0.00 0.05 0.00 0.00 99.92 06:34:01 1 0.03 0.00 0.03 0.00 0.00 99.93 06:34:01 2 0.03 0.00 0.02 0.00 0.00 99.95 06:34:01 3 0.50 0.00 0.02 0.02 0.00 99.47 06:35:01 all 0.36 0.00 0.28 0.00 0.00 99.35 06:35:01 0 0.35 0.00 0.45 0.00 0.00 99.20 06:35:01 1 0.30 0.00 0.25 0.00 0.00 99.45 06:35:01 2 0.18 0.00 0.33 0.02 0.00 99.47 06:35:01 3 0.62 0.00 0.10 0.00 0.00 99.28 Average: all 0.17 0.00 0.07 0.00 0.00 99.75 Average: 0 0.08 0.00 0.10 0.00 0.00 99.82 Average: 1 0.09 0.00 0.07 0.00 0.00 99.84 Average: 2 0.08 0.00 0.08 0.00 0.00 99.84 Average: 3 0.43 0.00 0.05 0.00 0.00 99.52