---> uname -a: Linux 68c2046ed921 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: 2933.438 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 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% /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/sa /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/gexfoundry_device-mqtt-go_PR-165 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/gexfoundry_device-mqtt-go_PR-165@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 640 114 0 1082 1092 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 6: eth0@if7: mtu 1458 qdisc noqueue state UP link/ether 02:42:0a:fa:00:01 brd ff:ff:ff:ff:ff:ff inet 10.250.0.1/24 brd 10.250.0.255 scope global eth0 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) 08/31/20 _x86_64_ (4 CPU) 20:36:20 LINUX RESTART 20:37:01 tps rtps wtps bread/s bwrtn/s 20:38:01 52.44 14.27 38.17 4954.22 2919.74 20:39:01 1.52 0.00 1.52 0.00 28.10 20:40:01 0.38 0.00 0.38 0.00 6.13 20:41:01 0.18 0.00 0.18 0.00 1.63 20:42:01 0.25 0.00 0.25 0.00 3.88 20:43:01 0.38 0.00 0.38 0.00 4.86 20:44:01 0.30 0.02 0.28 0.13 2.98 20:45:01 0.27 0.00 0.27 0.00 3.36 20:46:01 0.30 0.00 0.30 0.00 3.00 20:47:01 0.22 0.00 0.22 0.00 2.83 20:48:01 0.67 0.00 0.67 0.00 7.83 Average: 5.17 1.30 3.88 450.58 271.41 20:37:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:38:01 187520 1694036 90.03 2620 1140140 1103808 37.67 411724 1123116 20 20:39:01 192900 1688656 89.75 2620 1140148 1068472 36.47 411992 1118552 8 20:40:01 189760 1691796 89.91 2620 1140152 1068664 36.47 415312 1118448 16 20:41:01 189720 1691836 89.92 2620 1140156 1068412 36.46 415736 1117864 20 20:42:01 189396 1692160 89.93 2620 1140160 1068508 36.47 420688 1113492 16 20:43:01 189116 1692440 89.95 2620 1140168 1068616 36.47 421060 1113492 16 20:44:01 189976 1691580 89.90 2620 1140172 1068412 36.46 420100 1113492 12 20:45:01 189224 1692332 89.94 2620 1140180 1068604 36.47 411708 1123048 8 20:46:01 189960 1691596 89.90 2620 1140184 1068412 36.46 410440 1123044 20 20:47:01 187004 1694552 90.06 2620 1140192 1068496 36.47 411252 1125496 16 20:48:01 187496 1694060 90.04 2620 1140196 1068412 36.46 410804 1125496 16 Average: 189279 1692277 89.94 2620 1140168 1071711 36.58 414620 1119595 15 20:37:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:38:01 eth0 249.54 164.69 582.06 62.99 0.00 0.00 0.00 20:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:38:01 docker0 1.55 1.42 0.29 3.39 0.00 0.00 0.00 20:39:01 eth0 1.17 0.38 0.41 0.02 0.00 0.00 0.00 20:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:01 eth0 1.20 0.60 0.57 0.40 0.00 0.00 0.00 20:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:41:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 20:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:42:01 eth0 0.22 0.18 0.08 0.04 0.00 0.00 0.00 20:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:43:01 eth0 1.07 0.57 0.43 0.21 0.00 0.00 0.00 20:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:44:01 eth0 0.78 0.08 0.06 0.04 0.00 0.00 0.00 20:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:45:01 eth0 0.53 0.45 0.27 0.21 0.00 0.00 0.00 20:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:46:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 20:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:47:01 eth0 0.23 0.18 0.08 0.07 0.00 0.00 0.00 20:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:48:01 eth0 0.10 0.10 0.01 0.01 0.00 0.00 0.00 20:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 23.19 15.22 53.11 5.82 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.14 0.13 0.03 0.31 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) 08/31/20 _x86_64_ (4 CPU) 20:36:20 LINUX RESTART 20:37:01 CPU %user %nice %system %iowait %steal %idle 20:38:01 all 5.06 0.00 2.23 1.64 0.02 91.05 20:38:01 0 4.67 0.00 2.70 0.30 0.02 92.31 20:38:01 1 5.86 0.00 1.67 1.67 0.02 90.78 20:38:01 2 4.93 0.00 2.49 4.13 0.02 88.43 20:38:01 3 4.79 0.00 2.06 0.49 0.03 92.64 20:39:01 all 0.15 0.00 0.04 0.00 0.00 99.80 20:39:01 0 0.05 0.00 0.03 0.00 0.00 99.92 20:39:01 1 0.45 0.00 0.02 0.00 0.00 99.53 20:39:01 2 0.08 0.00 0.05 0.00 0.00 99.87 20:39:01 3 0.03 0.00 0.02 0.00 0.00 99.95 20:40:01 all 0.12 0.00 0.03 0.00 0.00 99.85 20:40:01 0 0.03 0.00 0.03 0.00 0.00 99.93 20:40:01 1 0.35 0.00 0.05 0.00 0.00 99.60 20:40:01 2 0.07 0.00 0.07 0.00 0.00 99.87 20:40:01 3 0.02 0.00 0.02 0.00 0.00 99.97 20:41:01 all 0.16 0.00 0.03 0.00 0.00 99.81 20:41:01 0 0.02 0.00 0.00 0.00 0.00 99.98 20:41:01 1 0.50 0.00 0.02 0.00 0.02 99.47 20:41:01 2 0.05 0.00 0.05 0.00 0.00 99.90 20:41:01 3 0.05 0.00 0.02 0.00 0.00 99.93 20:42:01 all 0.17 0.00 0.07 0.00 0.00 99.75 20:42:01 0 0.03 0.00 0.05 0.00 0.00 99.92 20:42:01 1 0.57 0.00 0.03 0.00 0.02 99.38 20:42:01 2 0.08 0.00 0.05 0.00 0.00 99.87 20:42:01 3 0.03 0.00 0.17 0.00 0.00 99.80 20:43:01 all 0.15 0.00 0.06 0.00 0.00 99.80 20:43:01 0 0.03 0.00 0.03 0.00 0.00 99.93 20:43:01 1 0.50 0.00 0.03 0.00 0.00 99.47 20:43:01 2 0.03 0.00 0.07 0.00 0.00 99.90 20:43:01 3 0.02 0.00 0.08 0.00 0.00 99.90 20:44:01 all 0.15 0.00 0.03 0.00 0.00 99.81 20:44:01 0 0.02 0.00 0.02 0.00 0.00 99.97 20:44:01 1 0.52 0.00 0.03 0.00 0.00 99.45 20:44:01 2 0.05 0.00 0.03 0.00 0.00 99.92 20:44:01 3 0.03 0.00 0.03 0.00 0.00 99.93 20:45:01 all 0.05 0.00 0.03 0.00 0.00 99.91 20:45:01 0 0.03 0.00 0.02 0.00 0.00 99.95 20:45:01 1 0.10 0.00 0.02 0.00 0.00 99.88 20:45:01 2 0.03 0.00 0.07 0.00 0.02 99.88 20:45:01 3 0.05 0.00 0.03 0.00 0.00 99.92 20:46:01 all 0.04 0.00 0.03 0.00 0.00 99.93 20:46:01 0 0.03 0.00 0.03 0.00 0.00 99.93 20:46:01 1 0.03 0.00 0.03 0.00 0.02 99.92 20:46:01 2 0.03 0.00 0.02 0.00 0.00 99.95 20:46:01 3 0.05 0.00 0.02 0.00 0.00 99.93 20:47:01 all 0.15 0.00 0.04 0.00 0.00 99.82 20:47:01 0 0.02 0.00 0.07 0.00 0.00 99.92 20:47:01 1 0.50 0.00 0.03 0.00 0.00 99.47 20:47:01 2 0.03 0.00 0.05 0.00 0.00 99.92 20:47:01 3 0.03 0.00 0.02 0.00 0.00 99.95 20:48:01 all 0.15 0.00 0.03 0.00 0.00 99.82 20:48:01 0 0.02 0.00 0.02 0.00 0.00 99.97 20:48:01 1 0.53 0.00 0.03 0.00 0.00 99.43 20:48:01 2 0.03 0.00 0.05 0.00 0.00 99.92 20:48:01 3 0.02 0.00 0.02 0.00 0.00 99.97 Average: all 0.58 0.00 0.24 0.15 0.00 99.04 Average: 0 0.45 0.00 0.27 0.03 0.00 99.25 Average: 1 0.90 0.00 0.18 0.15 0.01 98.76 Average: 2 0.49 0.00 0.27 0.37 0.00 98.86 Average: 3 0.46 0.00 0.22 0.04 0.00 99.26