---> uname -a: Linux 775a4c309de2 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 8.2G 41.8G 16% / 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 8.2G 41.8G 16% /etc/resolv.conf /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hostname /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hosts /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/ndry_app-functions-sdk-go_master@tmp /dev/vda1 50.0G 8.2G 41.8G 16% /var/log/sa-host /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/ndry_app-functions-sdk-go_master ---> free -m: total used free shared buff/cache available Mem: 1837 780 130 0 927 991 Swap: 1023 3 1020 ---> 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 16: eth0@if17: 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) 09/17/20 _x86_64_ (4 CPU) 18:30:43 LINUX RESTART (4 CPU) 18:32:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:33:01 9.27 2.16 7.11 0.00 186.28 1325.18 0.00 18:34:01 0.42 0.00 0.42 0.00 0.00 7.74 0.00 18:35:01 0.25 0.00 0.25 0.00 0.00 4.03 0.00 18:36:01 0.23 0.00 0.23 0.00 0.00 2.96 0.00 18:37:01 264.64 148.54 116.09 0.00 7554.00 35469.71 0.00 18:38:01 205.92 71.76 134.17 0.00 4168.60 30897.84 0.00 Average: 80.15 37.09 43.06 0.00 1985.54 11289.30 0.00 18:32:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:33:01 197808 0 587160 31.21 2620 1093968 1143264 39.02 455084 1068452 24 18:34:01 200844 0 584120 31.04 2620 1093972 1091928 37.27 455460 1066156 20 18:35:01 200804 0 584152 31.05 2620 1093980 1091760 37.26 456460 1065352 12 18:36:01 204128 0 580828 30.87 2620 1093980 1066000 36.38 462656 1056388 8 18:37:01 320312 0 642484 34.15 2596 916164 1091596 37.25 533176 820076 20 18:38:01 75516 0 791388 42.06 1952 1012700 1312496 44.79 720888 791740 70336 Average: 199902 0 628355 33.40 2505 1050794 1132841 38.66 513954 978027 11737 18:32:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:33:01 eth0 150.07 135.02 336.34 323.24 0.00 0.00 0.00 0.00 18:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:33:01 docker0 73.87 55.59 7.30 300.53 0.00 0.00 0.00 0.00 18:34:01 eth0 6.96 4.54 1.29 10.32 0.00 0.00 0.00 0.00 18:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:35:01 eth0 1.33 0.87 0.83 0.62 0.00 0.00 0.00 0.00 18:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:36:01 eth0 2.43 0.08 0.23 0.01 0.00 0.00 0.00 0.00 18:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:37:01 eth0 470.09 408.79 4209.97 40.01 0.00 0.00 0.00 0.00 18:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:37:01 docker0 66.42 72.41 5.50 416.17 0.00 0.00 0.00 0.00 18:38:01 veth1e2abbc 28.58 37.33 1.96 198.97 0.00 0.00 0.00 0.00 18:38:01 eth0 505.47 412.74 3744.91 106.30 0.00 0.00 0.00 0.00 18:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:38:01 docker0 28.58 37.19 1.57 198.96 0.00 0.00 0.00 0.00 Average: veth1e2abbc 4.77 6.23 0.33 33.18 0.00 0.00 0.00 0.00 Average: eth0 189.47 160.40 1382.83 80.10 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 28.15 27.54 2.40 152.65 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) 09/17/20 _x86_64_ (4 CPU) 18:30:43 LINUX RESTART (4 CPU) 18:32:01 CPU %user %nice %system %iowait %steal %idle 18:33:01 all 2.94 0.00 0.88 0.09 1.67 94.41 18:33:01 0 3.31 0.00 1.02 0.03 1.88 93.76 18:33:01 1 2.78 0.00 0.80 0.20 1.47 94.74 18:33:01 2 3.30 0.00 0.79 0.12 1.54 94.25 18:33:01 3 2.38 0.00 0.92 0.02 1.78 94.90 18:34:01 all 0.20 0.00 0.07 0.00 0.23 99.50 18:34:01 0 0.07 0.00 0.08 0.00 0.28 99.57 18:34:01 1 0.13 0.00 0.05 0.00 0.20 99.62 18:34:01 2 0.43 0.00 0.10 0.00 0.30 99.17 18:34:01 3 0.18 0.00 0.05 0.00 0.13 99.63 18:35:01 all 0.13 0.00 0.05 0.00 0.10 99.72 18:35:01 0 0.03 0.00 0.03 0.00 0.08 99.85 18:35:01 1 0.08 0.00 0.07 0.00 0.10 99.75 18:35:01 2 0.37 0.00 0.07 0.00 0.17 99.40 18:35:01 3 0.03 0.00 0.02 0.00 0.07 99.88 18:36:01 all 0.12 0.00 0.04 0.00 0.16 99.67 18:36:01 0 0.02 0.00 0.00 0.00 0.18 99.80 18:36:01 1 0.08 0.00 0.03 0.00 0.13 99.75 18:36:01 2 0.37 0.00 0.10 0.00 0.32 99.22 18:36:01 3 0.03 0.00 0.03 0.00 0.02 99.92 18:37:01 all 5.98 0.00 5.01 2.14 19.34 67.53 18:37:01 0 5.63 0.00 4.58 1.77 21.12 66.90 18:37:01 1 6.02 0.00 5.37 2.07 18.63 67.90 18:37:01 2 5.73 0.00 5.77 2.39 18.76 67.35 18:37:01 3 6.52 0.00 4.32 2.35 18.85 67.96 18:38:01 all 8.41 0.00 5.92 2.10 17.55 66.02 18:38:01 0 7.52 0.00 5.47 1.39 18.89 66.73 18:38:01 1 7.02 0.00 4.93 2.66 17.75 67.63 18:38:01 2 6.40 0.00 5.56 2.34 16.13 69.57 18:38:01 3 12.89 0.00 7.79 2.02 17.42 59.88 Average: all 2.97 0.00 2.00 0.73 6.55 87.75 Average: 0 2.78 0.00 1.88 0.54 7.15 87.66 Average: 1 2.71 0.00 1.90 0.83 6.45 88.11 Average: 2 2.78 0.00 2.08 0.81 6.24 88.10 Average: 3 3.63 0.00 2.16 0.73 6.35 87.13