---> uname -a: Linux prd-centos7-docker-4c-2g-17255.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: 2933.438 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% /w/workspace/xfoundry_device-modbus-go_PR-207@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-207 ---> free -m: total used free shared buff/cache available Mem: 1837 710 97 0 1029 1021 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:c0:2c:ed brd ff:ff:ff:ff:ff:ff inet 10.30.122.140/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86030sec preferred_lft 86030sec inet6 fe80::f816:3eff:fec0:2ced/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:f6:93:d5:af 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:f6ff:fe93:d5af/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) 12/23/20 _x86_64_ (4 CPU) 11:59:41 LINUX RESTART (4 CPU) 12:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:01:01 152.62 69.65 82.98 0.00 8559.86 39009.77 0.00 12:02:01 3.85 0.07 3.78 0.00 1.86 118.79 0.00 12:03:01 0.43 0.00 0.43 0.00 0.00 6.41 0.00 12:04:01 0.20 0.00 0.20 0.00 0.00 2.02 0.00 12:05:01 0.25 0.00 0.25 0.00 0.00 3.20 0.00 Average: 31.49 13.95 17.54 0.00 1713.43 7832.98 0.00 12:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:01:01 156812 0 614596 32.66 2620 1107516 1114312 38.03 432556 1092920 132 12:02:01 164724 0 606444 32.23 2620 1107756 1078848 36.82 428336 1090204 20 12:03:01 163316 0 607848 32.31 2620 1107760 1078848 36.82 426876 1093512 8 12:04:01 162096 0 609064 32.37 2620 1107764 1079076 36.83 428124 1093512 8 12:05:01 162756 0 608400 32.34 2620 1107768 1078956 36.82 425508 1095528 8 Average: 161941 0 609270 32.38 2620 1107713 1086008 37.06 428280 1093135 35 12:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:01:01 eth0 519.37 356.32 1060.70 96.65 0.00 0.00 0.00 0.00 12:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:01:01 docker0 2.25 1.78 0.44 4.17 0.00 0.00 0.00 0.00 12:02:01 eth0 0.37 0.10 0.02 0.02 0.00 0.00 0.00 0.00 12:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:03:01 eth0 0.87 0.08 0.10 0.01 0.00 0.00 0.00 0.00 12:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:04:01 eth0 1.50 0.75 0.62 0.41 0.00 0.00 0.00 0.00 12:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:05:01 eth0 0.55 0.40 0.27 0.21 0.00 0.00 0.00 0.00 12:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 104.60 71.57 212.48 19.47 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 0.45 0.36 0.09 0.83 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) 12/23/20 _x86_64_ (4 CPU) 11:59:41 LINUX RESTART (4 CPU) 12:00:01 CPU %user %nice %system %iowait %steal %idle 12:01:01 all 13.95 0.00 7.97 5.93 0.03 72.12 12:01:01 0 14.13 0.00 9.51 3.14 0.02 73.21 12:01:01 1 12.25 0.00 7.74 7.85 0.03 72.13 12:01:01 2 14.89 0.00 7.90 6.25 0.03 70.92 12:01:01 3 14.55 0.00 6.73 6.48 0.02 72.23 12:02:01 all 0.17 0.00 0.06 0.00 0.00 99.76 12:02:01 0 0.05 0.00 0.05 0.00 0.00 99.90 12:02:01 1 0.13 0.00 0.05 0.00 0.00 99.82 12:02:01 2 0.02 0.00 0.07 0.00 0.00 99.92 12:02:01 3 0.48 0.00 0.08 0.00 0.02 99.42 12:03:01 all 0.16 0.00 0.11 0.00 0.00 99.73 12:03:01 0 0.02 0.00 0.03 0.00 0.00 99.95 12:03:01 1 0.52 0.00 0.20 0.00 0.00 99.28 12:03:01 2 0.08 0.00 0.08 0.00 0.00 99.83 12:03:01 3 0.03 0.00 0.12 0.00 0.00 99.85 12:04:01 all 0.16 0.00 0.04 0.00 0.00 99.80 12:04:01 0 0.05 0.00 0.03 0.00 0.00 99.92 12:04:01 1 0.52 0.00 0.03 0.00 0.00 99.45 12:04:01 2 0.03 0.00 0.03 0.00 0.00 99.93 12:04:01 3 0.05 0.00 0.05 0.00 0.00 99.90 12:05:01 all 0.15 0.00 0.03 0.00 0.00 99.81 12:05:01 0 0.03 0.00 0.03 0.00 0.02 99.92 12:05:01 1 0.52 0.00 0.03 0.00 0.00 99.45 12:05:01 2 0.05 0.00 0.05 0.00 0.00 99.90 12:05:01 3 0.00 0.00 0.02 0.00 0.00 99.98 Average: all 2.89 0.00 1.62 1.17 0.01 94.31 Average: 0 2.81 0.00 1.90 0.62 0.01 94.66 Average: 1 2.76 0.00 1.60 1.55 0.01 94.08 Average: 2 2.99 0.00 1.61 1.24 0.01 94.15 Average: 3 2.99 0.00 1.38 1.28 0.01 94.34