---> uname -a: Linux 04fc47f73fb7 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% /var/log/sa-host /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/ndry_app-functions-sdk-go_master /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/ndry_app-functions-sdk-go_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 773 120 0 943 1000 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) 09/16/20 _x86_64_ (4 CPU) 22:32:26 LINUX RESTART (4 CPU) 22:33:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:34:01 72.42 26.40 46.02 0.00 6417.71 6584.60 0.00 22:35:01 1.32 0.00 1.32 0.00 0.00 19.80 0.00 22:36:01 0.23 0.00 0.23 0.00 0.00 3.11 0.00 22:37:01 0.25 0.00 0.25 0.00 0.00 3.73 0.00 22:38:01 118.24 59.19 59.05 0.00 3072.04 25826.76 0.00 22:39:01 315.81 132.05 183.76 0.00 8546.02 40553.88 0.00 Average: 84.75 36.29 48.46 0.00 3007.02 12169.93 0.00 22:33:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:34:01 214104 0 580576 30.86 2620 1084256 1103976 37.68 442612 1067308 120 22:35:01 213796 0 580876 30.87 2620 1084264 1103756 37.67 444092 1065668 20 22:36:01 215940 0 578724 30.76 2620 1084272 1096252 37.41 443624 1064540 20 22:37:01 214308 0 580356 30.84 2620 1084272 1096276 37.41 445588 1063896 20 22:38:01 103328 0 697416 37.07 2620 1078192 1521516 51.93 508184 1079168 42620 22:39:01 121728 0 727264 38.65 1516 1031048 1233592 42.10 656540 821072 70344 Average: 180534 0 624202 33.17 2436 1074384 1192561 40.70 490107 1026942 18857 22:33:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:34:01 eth0 768.04 562.02 1642.94 422.62 0.00 0.00 0.00 0.00 22:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:34:01 docker0 124.10 89.73 9.42 303.45 0.00 0.00 0.00 0.00 22:35:01 eth0 4.56 0.98 1.36 0.74 0.00 0.00 0.00 0.00 22:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:36:01 eth0 3.06 0.97 1.02 0.60 0.00 0.00 0.00 0.00 22:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:37:01 eth0 4.80 0.72 1.14 0.58 0.00 0.00 0.00 0.00 22:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:38:01 eth0 460.44 426.70 3783.48 45.65 0.00 0.00 0.00 0.00 22:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:39:01 veth245cce6 22.68 25.92 1.53 198.30 0.00 0.00 0.00 0.00 22:39:01 eth0 584.39 506.16 4167.27 77.26 0.00 0.00 0.00 0.00 22:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:39:01 docker0 82.20 86.84 6.11 610.54 0.00 0.00 0.00 0.00 Average: veth245cce6 3.78 4.32 0.25 33.07 0.00 0.00 0.00 0.00 Average: eth0 304.31 249.67 1600.08 91.26 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 34.39 29.44 2.59 152.40 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) 09/16/20 _x86_64_ (4 CPU) 22:32:26 LINUX RESTART (4 CPU) 22:33:01 CPU %user %nice %system %iowait %steal %idle 22:34:01 all 13.73 0.00 4.35 2.07 0.04 79.80 22:34:01 0 13.76 0.00 5.10 1.20 0.03 79.90 22:34:01 1 13.71 0.00 4.37 2.03 0.07 79.83 22:34:01 2 13.03 0.00 4.06 2.34 0.02 80.55 22:34:01 3 14.45 0.00 3.87 2.72 0.03 78.93 22:35:01 all 0.17 0.00 0.05 0.00 0.00 99.78 22:35:01 0 0.08 0.00 0.07 0.00 0.00 99.85 22:35:01 1 0.05 0.00 0.05 0.00 0.00 99.90 22:35:01 2 0.03 0.00 0.02 0.00 0.02 99.93 22:35:01 3 0.53 0.00 0.05 0.00 0.00 99.42 22:36:01 all 0.18 0.00 0.03 0.00 0.00 99.78 22:36:01 0 0.03 0.00 0.02 0.00 0.00 99.95 22:36:01 1 0.07 0.00 0.07 0.00 0.00 99.87 22:36:01 2 0.58 0.00 0.03 0.00 0.00 99.38 22:36:01 3 0.05 0.00 0.02 0.00 0.00 99.93 22:37:01 all 0.09 0.00 0.04 0.00 0.00 99.86 22:37:01 0 0.03 0.00 0.03 0.00 0.00 99.93 22:37:01 1 0.03 0.00 0.03 0.00 0.00 99.93 22:37:01 2 0.20 0.00 0.05 0.00 0.02 99.73 22:37:01 3 0.10 0.00 0.05 0.00 0.00 99.85 22:38:01 all 5.68 0.00 3.24 0.61 0.07 90.41 22:38:01 0 5.18 0.00 3.81 0.27 0.07 90.67 22:38:01 1 5.72 0.00 2.79 0.05 0.07 91.36 22:38:01 2 5.94 0.00 3.20 0.88 0.07 89.91 22:38:01 3 5.87 0.00 3.15 1.23 0.07 89.68 22:39:01 all 13.69 0.00 8.34 3.60 0.11 74.26 22:39:01 0 11.36 0.00 8.26 2.06 0.10 78.22 22:39:01 1 14.75 0.00 7.96 3.10 0.12 74.07 22:39:01 2 12.03 0.00 8.81 5.35 0.10 73.72 22:39:01 3 16.61 0.00 8.32 3.90 0.10 71.07 Average: all 5.54 0.00 2.65 1.04 0.04 90.74 Average: 0 5.02 0.00 2.85 0.58 0.03 91.52 Average: 1 5.67 0.00 2.52 0.85 0.04 90.91 Average: 2 5.26 0.00 2.67 1.41 0.04 90.62 Average: 3 6.21 0.00 2.55 1.29 0.03 89.92