---> uname -a: Linux prd-centos7-docker-4c-2g-15268.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/sa-host /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/secure /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-198 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/xfoundry_device-modbus-go_PR-198@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 704 70 0 1061 1028 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:73:ad:2e brd ff:ff:ff:ff:ff:ff inet 10.30.123.232/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85719sec preferred_lft 85719sec inet6 fe80::f816:3eff:fe73:ad2e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:db:f4:39:b6 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:dbff:fef4:39b6/64 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) 12/09/20 _x86_64_ (4 CPU) 18:01:59 LINUX RESTART (4 CPU) 18:03:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:04:01 6.09 0.42 5.68 0.00 33.29 152.17 0.00 18:05:02 0.42 0.00 0.42 0.00 0.00 6.74 0.00 18:06:01 0.29 0.00 0.29 0.00 0.00 2.91 0.00 18:07:01 0.17 0.00 0.17 0.00 0.00 2.01 0.00 18:08:01 0.32 0.00 0.32 0.00 0.00 4.73 0.00 18:09:01 0.25 0.00 0.25 0.00 0.00 2.58 0.00 18:10:01 0.30 0.00 0.30 0.00 0.00 3.65 0.00 18:11:01 0.22 0.00 0.22 0.00 0.00 2.43 0.00 18:12:01 0.18 0.00 0.18 0.00 0.00 2.16 0.00 18:13:01 1.02 0.70 0.32 0.00 157.87 4.33 0.00 Average: 0.93 0.11 0.81 0.00 19.15 18.40 0.00 18:03:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:04:01 168836 0 563252 29.94 2620 1146836 1101616 37.60 369116 1144600 20 18:05:02 170848 0 561232 29.83 2620 1146844 1077064 36.76 368016 1143708 8 18:06:01 169192 0 562884 29.92 2620 1146848 1077124 36.76 382200 1131868 8 18:07:01 168860 0 563216 29.93 2620 1146848 1077124 36.76 382120 1131868 12 18:08:01 168032 0 564036 29.98 2620 1146856 1077016 36.76 378936 1136376 8 18:09:01 168516 0 563548 29.95 2620 1146860 1076932 36.75 378488 1136376 12 18:10:01 168092 0 563968 29.97 2620 1146864 1077052 36.76 379152 1136376 12 18:11:01 169036 0 563020 29.92 2620 1146868 1076932 36.75 378512 1136376 8 18:12:01 168676 0 563372 29.94 2620 1146876 1076932 36.75 378396 1136380 8 18:13:01 157188 0 569968 30.29 2620 1151768 1078608 36.81 384648 1140884 140 Average: 167728 0 563850 29.97 2620 1147347 1079640 36.85 377958 1137481 24 18:03:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:04:01 eth0 21.62 14.95 23.08 6.13 0.00 0.00 0.00 0.00 18:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:04:01 docker0 2.18 1.76 0.42 4.00 0.00 0.00 0.00 0.00 18:05:02 eth0 1.85 0.87 1.14 0.24 0.00 0.00 0.00 0.00 18:05:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:05:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:06:01 eth0 1.03 0.49 0.34 0.21 0.00 0.00 0.00 0.00 18:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:07:01 eth0 0.53 0.42 0.27 0.21 0.00 0.00 0.00 0.00 18:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:08:01 eth0 0.38 0.25 0.25 0.07 0.00 0.00 0.00 0.00 18:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:09:01 eth0 0.48 0.00 0.05 0.00 0.00 0.00 0.00 0.00 18:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:01 eth0 0.57 0.37 0.28 0.20 0.00 0.00 0.00 0.00 18:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:11:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 0.00 18:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:12:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 18:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:13:01 eth0 6.29 4.06 6.03 2.04 0.00 0.00 0.00 0.00 18:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 3.30 2.16 3.15 0.91 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 0.22 0.18 0.04 0.40 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) 12/09/20 _x86_64_ (4 CPU) 18:01:59 LINUX RESTART (4 CPU) 18:03:01 CPU %user %nice %system %iowait %steal %idle 18:04:01 all 0.91 0.00 0.61 0.09 0.00 98.39 18:04:01 0 1.08 0.00 0.48 0.10 0.00 98.33 18:04:01 1 0.73 0.00 0.60 0.00 0.00 98.66 18:04:01 2 0.83 0.00 0.60 0.23 0.00 98.33 18:04:01 3 1.00 0.00 0.75 0.02 0.02 98.21 18:05:02 all 0.18 0.00 0.06 0.00 0.00 99.76 18:05:02 0 0.53 0.00 0.03 0.00 0.00 99.43 18:05:02 1 0.05 0.00 0.07 0.00 0.00 99.88 18:05:02 2 0.05 0.00 0.05 0.00 0.00 99.90 18:05:02 3 0.08 0.00 0.08 0.00 0.00 99.83 18:06:01 all 0.17 0.00 0.08 0.00 0.00 99.75 18:06:01 0 0.51 0.00 0.03 0.00 0.00 99.46 18:06:01 1 0.03 0.00 0.03 0.00 0.00 99.93 18:06:01 2 0.07 0.00 0.08 0.00 0.00 99.85 18:06:01 3 0.07 0.00 0.17 0.00 0.00 99.76 18:07:01 all 0.15 0.00 0.05 0.00 0.00 99.80 18:07:01 0 0.03 0.00 0.02 0.00 0.00 99.95 18:07:01 1 0.05 0.00 0.05 0.00 0.02 99.88 18:07:01 2 0.05 0.00 0.07 0.00 0.00 99.88 18:07:01 3 0.45 0.00 0.08 0.00 0.00 99.47 18:08:01 all 0.19 0.00 0.08 0.00 0.01 99.72 18:08:01 0 0.10 0.00 0.07 0.00 0.00 99.83 18:08:01 1 0.07 0.00 0.08 0.00 0.02 99.83 18:08:01 2 0.05 0.00 0.08 0.00 0.02 99.85 18:08:01 3 0.53 0.00 0.08 0.00 0.00 99.38 18:09:01 all 0.15 0.00 0.04 0.00 0.00 99.80 18:09:01 0 0.02 0.00 0.03 0.00 0.00 99.95 18:09:01 1 0.05 0.00 0.08 0.00 0.00 99.87 18:09:01 2 0.02 0.00 0.02 0.00 0.00 99.97 18:09:01 3 0.52 0.00 0.03 0.00 0.02 99.43 18:10:01 all 0.17 0.00 0.05 0.00 0.00 99.78 18:10:01 0 0.05 0.00 0.02 0.00 0.00 99.93 18:10:01 1 0.10 0.00 0.10 0.00 0.00 99.80 18:10:01 2 0.03 0.00 0.03 0.00 0.00 99.93 18:10:01 3 0.52 0.00 0.03 0.00 0.00 99.45 18:11:01 all 0.16 0.00 0.03 0.00 0.00 99.81 18:11:01 0 0.02 0.00 0.02 0.00 0.00 99.97 18:11:01 1 0.07 0.00 0.05 0.00 0.00 99.88 18:11:01 2 0.03 0.00 0.03 0.00 0.00 99.93 18:11:01 3 0.53 0.00 0.02 0.00 0.00 99.45 18:12:01 all 0.17 0.00 0.05 0.00 0.00 99.79 18:12:01 0 0.03 0.00 0.03 0.00 0.00 99.93 18:12:01 1 0.07 0.00 0.08 0.00 0.00 99.85 18:12:01 2 0.02 0.00 0.03 0.00 0.00 99.95 18:12:01 3 0.55 0.00 0.03 0.00 0.00 99.42 18:13:01 all 0.49 0.00 0.31 0.02 0.01 99.17 18:13:01 0 0.43 0.00 0.25 0.00 0.02 99.30 18:13:01 1 0.27 0.00 0.30 0.00 0.00 99.43 18:13:01 2 0.35 0.00 0.37 0.02 0.02 99.25 18:13:01 3 0.90 0.00 0.33 0.07 0.00 98.70 Average: all 0.27 0.00 0.14 0.01 0.00 99.58 Average: 0 0.28 0.00 0.10 0.01 0.00 99.61 Average: 1 0.15 0.00 0.15 0.00 0.00 99.70 Average: 2 0.15 0.00 0.14 0.03 0.00 99.68 Average: 3 0.52 0.00 0.16 0.01 0.00 99.31