---> uname -a: Linux 99f9c894be61 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: 2933.396 BogoMIPS: 5866.79 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 8.5G 41.5G 17% / 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 8.5G 41.5G 17% /etc/resolv.conf /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hostname /dev/vda1 50.0G 8.5G 41.5G 17% /etc/hosts /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/ndry_app-functions-sdk-go_master@tmp /dev/vda1 50.0G 8.5G 41.5G 17% /var/log/sa /dev/vda1 50.0G 8.5G 41.5G 17% /w/workspace/ndry_app-functions-sdk-go_master ---> free -m: total used free shared buff/cache available Mem: 1837 784 101 0 951 984 Swap: 1023 2 1021 ---> 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) 07/13/20 _x86_64_ (4 CPU) 23:18:41 LINUX RESTART 23:19:01 tps rtps wtps bread/s bwrtn/s 23:20:01 139.59 45.55 94.04 7687.16 42076.31 23:21:01 2.66 0.00 2.66 0.00 62.95 23:22:01 0.57 0.00 0.57 0.00 8.83 23:23:01 0.25 0.00 0.25 0.00 2.83 23:24:01 0.27 0.00 0.27 0.00 3.07 23:25:01 0.33 0.00 0.33 0.00 4.45 23:26:01 348.17 188.03 160.14 8123.78 54558.64 Average: 69.80 33.11 36.69 2249.12 13749.48 23:19:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:20:01 158200 1723356 91.59 2620 1117556 1118860 38.18 485908 1076384 120 23:21:01 165388 1716168 91.21 2620 1117652 1073796 36.65 485260 1071656 20 23:22:01 162500 1719056 91.36 2620 1117660 1074064 36.66 488576 1071648 16 23:23:01 162216 1719340 91.38 2620 1117660 1074088 36.66 488632 1071644 8 23:24:01 162188 1719368 91.38 2620 1117664 1073860 36.65 498128 1062028 8 23:25:01 162136 1719420 91.38 2620 1117672 1073944 36.65 498580 1062024 8 23:26:01 77496 1804060 95.88 1896 1007212 1541204 52.60 674516 861248 78212 Average: 150018 1731538 92.03 2517 1101868 1147117 39.15 517086 1039519 11199 23:19:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:20:01 eth0 397.34 322.19 1636.45 395.46 0.00 0.00 0.00 23:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:01 docker0 97.47 82.79 9.08 302.47 0.00 0.00 0.00 23:21:01 eth0 0.52 0.08 0.04 0.01 0.00 0.00 0.00 23:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:22:01 eth0 0.82 0.35 0.31 0.17 0.00 0.00 0.00 23:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:23:01 eth0 0.67 0.37 0.29 0.24 0.00 0.00 0.00 23:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:24:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 23:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:25:01 eth0 0.22 0.17 0.08 0.07 0.00 0.00 0.00 23:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:26:01 eth0 430.93 293.14 7465.77 72.37 0.00 0.00 0.00 23:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:26:01 docker0 29.82 28.70 3.05 90.76 0.00 0.00 0.00 Average: eth0 118.14 87.72 1289.98 66.92 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 18.17 15.91 1.73 56.13 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) 07/13/20 _x86_64_ (4 CPU) 23:18:41 LINUX RESTART 23:19:01 CPU %user %nice %system %iowait %steal %idle 23:20:01 all 15.54 0.00 6.73 10.33 0.01 67.38 23:20:01 0 15.49 0.00 7.01 12.86 0.02 64.63 23:20:01 1 15.22 0.00 7.00 10.94 0.00 66.83 23:20:01 2 15.70 0.00 6.20 10.97 0.02 67.11 23:20:01 3 15.75 0.00 6.73 6.53 0.02 70.97 23:21:01 all 0.15 0.00 0.03 0.00 0.00 99.81 23:21:01 0 0.07 0.00 0.03 0.00 0.00 99.90 23:21:01 1 0.05 0.00 0.07 0.00 0.00 99.88 23:21:01 2 0.50 0.00 0.03 0.00 0.00 99.47 23:21:01 3 0.02 0.00 0.02 0.00 0.00 99.97 23:22:01 all 0.15 0.00 0.03 0.00 0.00 99.82 23:22:01 0 0.02 0.00 0.03 0.00 0.00 99.95 23:22:01 1 0.03 0.00 0.05 0.00 0.02 99.90 23:22:01 2 0.50 0.00 0.03 0.00 0.00 99.47 23:22:01 3 0.03 0.00 0.02 0.00 0.00 99.95 23:23:01 all 0.15 0.00 0.02 0.00 0.00 99.83 23:23:01 0 0.02 0.00 0.03 0.00 0.00 99.95 23:23:01 1 0.05 0.00 0.02 0.00 0.00 99.93 23:23:01 2 0.52 0.00 0.02 0.00 0.00 99.47 23:23:01 3 0.02 0.00 0.02 0.00 0.00 99.97 23:24:01 all 0.15 0.00 0.04 0.00 0.00 99.81 23:24:01 0 0.03 0.00 0.02 0.00 0.00 99.95 23:24:01 1 0.03 0.00 0.05 0.00 0.00 99.92 23:24:01 2 0.47 0.00 0.02 0.00 0.00 99.52 23:24:01 3 0.08 0.00 0.03 0.00 0.00 99.88 23:25:01 all 0.15 0.00 0.02 0.00 0.00 99.83 23:25:01 0 0.02 0.00 0.02 0.00 0.00 99.97 23:25:01 1 0.05 0.00 0.03 0.00 0.00 99.92 23:25:01 2 0.02 0.00 0.02 0.00 0.00 99.97 23:25:01 3 0.50 0.00 0.05 0.00 0.00 99.45 23:26:01 all 14.52 0.00 8.26 3.48 0.01 73.73 23:26:01 0 13.72 0.00 9.03 3.50 0.02 73.74 23:26:01 1 13.43 0.00 7.90 4.27 0.00 74.40 23:26:01 2 15.41 0.00 6.93 3.11 0.00 74.55 23:26:01 3 15.54 0.00 9.19 3.06 0.00 72.21 Average: all 4.35 0.00 2.13 1.96 0.00 91.56 Average: 0 4.14 0.00 2.28 2.31 0.00 91.27 Average: 1 4.08 0.00 2.13 2.16 0.00 91.63 Average: 2 4.67 0.00 1.87 2.00 0.00 91.46 Average: 3 4.50 0.00 2.26 1.35 0.00 91.89