---> uname -a: Linux prd-centos7-docker-4c-2g-1722.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: 2933.442 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 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% /w/workspace/xfoundry_device-modbus-go_PR-228@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 /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-228 ---> free -m: total used free shared buff/cache available Mem: 1837 733 105 0 998 998 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:98:a2:91 brd ff:ff:ff:ff:ff:ff inet 10.30.123.84/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85792sec preferred_lft 85792sec inet6 fe80::f816:3eff:fe98:a291/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:a9:9a:cf:c5 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:a9ff:fe9a:cfc5/64 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) 04/26/21 _x86_64_ (4 CPU) 05:58:32 LINUX RESTART (4 CPU) 05:59:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:00:01 73.86 28.86 45.00 0.00 7087.24 4002.55 0.00 06:01:01 2.43 0.02 2.41 0.00 0.13 52.07 0.00 06:02:01 0.72 0.08 0.63 0.00 1.60 11.50 0.00 06:03:01 0.23 0.00 0.23 0.00 0.00 3.32 0.00 06:04:01 0.28 0.00 0.28 0.00 0.00 3.48 0.00 06:05:01 0.27 0.00 0.27 0.00 0.00 4.43 0.00 06:06:01 0.22 0.00 0.22 0.00 0.00 2.17 0.00 06:07:01 0.17 0.00 0.17 0.00 0.00 2.03 0.00 06:08:01 0.18 0.00 0.18 0.00 0.00 2.05 0.00 Average: 8.71 3.22 5.49 0.00 788.19 454.03 0.00 05:59:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:00:01 169504 0 616760 32.78 2620 1092660 1105184 37.72 421932 1092480 132 06:01:01 169784 0 616364 32.76 2620 1092776 1101940 37.61 426372 1087532 12 06:02:01 170128 0 615852 32.73 2620 1092944 1081760 36.92 428032 1086652 36 06:03:01 168856 0 617156 32.80 2620 1092912 1081960 36.93 443972 1071708 20 06:04:01 167096 0 618912 32.89 2620 1092916 1081968 36.93 436992 1080264 20 06:05:01 162760 0 623240 33.12 2620 1092924 1082028 36.93 454936 1066960 20 06:06:01 162692 0 623308 33.13 2620 1092924 1082028 36.93 455188 1066960 20 06:07:01 164144 0 621848 33.05 2620 1092932 1081800 36.92 453972 1066964 20 06:08:01 164364 0 621624 33.04 2620 1092936 1081800 36.92 453764 1066960 8 Average: 166592 0 619452 32.92 2620 1092880 1086719 37.09 441684 1076276 32 05:59:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:00:01 eth0 539.82 336.96 1093.98 85.18 0.00 0.00 0.00 0.00 06:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 docker0 2.46 1.86 0.46 4.91 0.00 0.00 0.00 0.00 06:01:01 eth0 4.10 0.40 0.67 0.24 0.00 0.00 0.00 0.00 06:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:02:01 eth0 5.46 0.75 1.17 0.59 0.00 0.00 0.00 0.00 06:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:03:01 eth0 4.21 1.22 1.50 0.95 0.00 0.00 0.00 0.00 06:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:04:01 eth0 4.01 0.67 0.81 0.40 0.00 0.00 0.00 0.00 06:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:05:01 eth0 4.25 1.07 1.41 0.85 0.00 0.00 0.00 0.00 06:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:06:01 eth0 1.15 0.55 0.55 0.40 0.00 0.00 0.00 0.00 06:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:07:01 eth0 0.22 0.08 0.01 0.04 0.00 0.00 0.00 0.00 06:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:08:01 eth0 0.17 0.08 0.01 0.01 0.00 0.00 0.00 0.00 06:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 62.64 38.00 122.32 9.86 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 0.27 0.21 0.05 0.55 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) 04/26/21 _x86_64_ (4 CPU) 05:58:32 LINUX RESTART (4 CPU) 05:59:01 CPU %user %nice %system %iowait %steal %idle 06:00:01 all 12.55 0.00 3.82 2.49 0.25 80.89 06:00:01 0 13.66 0.00 4.71 1.69 0.22 79.72 06:00:01 1 14.28 0.00 3.19 2.02 0.25 80.25 06:00:01 2 11.91 0.00 3.16 1.88 0.24 82.82 06:00:01 3 10.36 0.00 4.22 4.36 0.29 80.77 06:01:01 all 0.14 0.00 0.07 0.00 0.02 99.77 06:01:01 0 0.03 0.00 0.07 0.00 0.05 99.85 06:01:01 1 0.42 0.00 0.12 0.00 0.03 99.43 06:01:01 2 0.05 0.00 0.07 0.00 0.00 99.88 06:01:01 3 0.05 0.00 0.03 0.00 0.02 99.90 06:02:01 all 0.22 0.00 0.06 0.00 0.02 99.70 06:02:01 0 0.08 0.00 0.05 0.00 0.00 99.87 06:02:01 1 0.12 0.00 0.07 0.00 0.02 99.80 06:02:01 2 0.52 0.00 0.08 0.00 0.03 99.37 06:02:01 3 0.17 0.00 0.03 0.00 0.02 99.78 06:03:01 all 0.16 0.00 0.06 0.00 0.07 99.71 06:03:01 0 0.07 0.00 0.10 0.00 0.03 99.80 06:03:01 1 0.10 0.00 0.08 0.00 0.15 99.67 06:03:01 2 0.42 0.00 0.05 0.00 0.08 99.45 06:03:01 3 0.07 0.00 0.02 0.00 0.00 99.92 06:04:01 all 0.16 0.00 0.08 0.00 0.03 99.72 06:04:01 0 0.08 0.00 0.03 0.00 0.00 99.88 06:04:01 1 0.12 0.00 0.20 0.00 0.03 99.65 06:04:01 2 0.43 0.00 0.05 0.00 0.07 99.45 06:04:01 3 0.02 0.00 0.05 0.00 0.03 99.90 06:05:01 all 0.17 0.00 0.06 0.00 0.01 99.76 06:05:01 0 0.03 0.00 0.13 0.00 0.02 99.82 06:05:01 1 0.08 0.00 0.05 0.00 0.02 99.85 06:05:01 2 0.53 0.00 0.05 0.00 0.00 99.42 06:05:01 3 0.03 0.00 0.02 0.00 0.00 99.95 06:06:01 all 0.20 0.00 0.02 0.00 0.00 99.78 06:06:01 0 0.05 0.00 0.02 0.00 0.00 99.93 06:06:01 1 0.15 0.00 0.05 0.00 0.00 99.80 06:06:01 2 0.50 0.00 0.00 0.00 0.00 99.50 06:06:01 3 0.08 0.00 0.02 0.00 0.00 99.90 06:07:01 all 0.19 0.00 0.03 0.00 0.00 99.78 06:07:01 0 0.03 0.00 0.02 0.00 0.00 99.95 06:07:01 1 0.20 0.00 0.03 0.00 0.00 99.77 06:07:01 2 0.38 0.00 0.03 0.00 0.00 99.58 06:07:01 3 0.15 0.00 0.02 0.00 0.00 99.83 06:08:01 all 0.16 0.00 0.03 0.00 0.01 99.80 06:08:01 0 0.02 0.00 0.02 0.00 0.00 99.97 06:08:01 1 0.55 0.00 0.02 0.00 0.02 99.42 06:08:01 2 0.07 0.00 0.07 0.00 0.02 99.85 06:08:01 3 0.02 0.00 0.02 0.00 0.00 99.97 Average: all 1.53 0.00 0.46 0.27 0.05 97.69 Average: 0 1.53 0.00 0.56 0.18 0.04 97.69 Average: 1 1.75 0.00 0.42 0.22 0.06 97.55 Average: 2 1.63 0.00 0.39 0.21 0.05 97.73 Average: 3 1.20 0.00 0.48 0.48 0.04 97.80