---> uname -a: Linux af91a488fc95 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: 2933.442 BogoMIPS: 5866.88 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 7.3G 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% /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% /var/log/sa /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-421 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-421@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 682 128 0 1026 1048 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) 07/29/20 _x86_64_ (4 CPU) 08:30:38 LINUX RESTART 08:31:02 tps rtps wtps bread/s bwrtn/s 08:32:01 120.34 42.77 77.58 7787.17 29072.40 08:33:01 2.30 0.00 2.30 0.00 48.41 08:34:01 0.38 0.00 0.38 0.00 5.28 08:35:01 0.28 0.00 0.28 0.00 3.21 08:36:01 0.32 0.00 0.32 0.00 4.60 08:37:01 0.27 0.00 0.27 0.00 3.55 08:38:01 0.78 0.02 0.77 0.13 8.79 Average: 17.58 6.03 11.55 1097.35 4107.32 08:31:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:32:01 212452 1669104 88.71 2620 1069132 1105460 37.73 454560 1056568 120 08:33:01 214532 1667024 88.60 2620 1069248 1090528 37.22 455524 1053660 16 08:34:01 213436 1668120 88.66 2620 1069256 1090564 37.22 457048 1053328 12 08:35:01 212036 1669520 88.73 2620 1069256 1090492 37.22 458768 1053172 12 08:36:01 212488 1669068 88.71 2620 1069260 1081156 36.90 465984 1045680 8 08:37:01 212204 1669352 88.72 2620 1069272 1081240 36.90 467640 1044712 8 08:38:01 212644 1668912 88.70 2620 1069276 1081156 36.90 467204 1044708 8 Average: 212827 1668729 88.69 2620 1069243 1088657 37.15 460961 1050261 26 08:31:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 08:32:01 eth0 849.48 512.96 1696.17 424.04 0.00 0.00 0.00 08:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:32:01 docker0 91.32 90.00 8.33 306.17 0.00 0.00 0.00 08:33:01 eth0 2.93 1.55 1.16 1.77 0.00 0.00 0.00 08:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:34:01 eth0 1.97 0.63 0.64 0.43 0.00 0.00 0.00 08:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:35:01 eth0 0.53 0.30 0.27 0.20 0.00 0.00 0.00 08:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:36:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 08:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:37:01 eth0 0.20 0.15 0.08 0.07 0.00 0.00 0.00 08:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:38:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 08:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 120.54 72.68 239.33 60.11 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 12.87 12.68 1.17 43.14 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) 07/29/20 _x86_64_ (4 CPU) 08:30:38 LINUX RESTART 08:31:02 CPU %user %nice %system %iowait %steal %idle 08:32:01 all 15.76 0.00 6.42 7.78 0.02 70.03 08:32:01 0 16.08 0.00 7.10 6.76 0.02 70.05 08:32:01 1 16.12 0.00 6.19 10.10 0.02 67.57 08:32:01 2 14.69 0.00 5.59 5.01 0.02 74.70 08:32:01 3 16.15 0.00 6.80 9.23 0.02 67.81 08:33:01 all 0.07 0.00 0.05 0.00 0.00 99.89 08:33:01 0 0.05 0.00 0.05 0.00 0.00 99.90 08:33:01 1 0.08 0.00 0.03 0.00 0.00 99.88 08:33:01 2 0.10 0.00 0.05 0.00 0.00 99.85 08:33:01 3 0.03 0.00 0.03 0.00 0.00 99.93 08:34:01 all 0.16 0.00 0.04 0.00 0.00 99.80 08:34:01 0 0.02 0.00 0.03 0.00 0.00 99.95 08:34:01 1 0.53 0.00 0.02 0.00 0.00 99.45 08:34:01 2 0.05 0.00 0.07 0.00 0.00 99.88 08:34:01 3 0.02 0.00 0.03 0.00 0.00 99.95 08:35:01 all 0.17 0.00 0.03 0.00 0.00 99.80 08:35:01 0 0.03 0.00 0.02 0.00 0.00 99.95 08:35:01 1 0.58 0.00 0.03 0.00 0.00 99.38 08:35:01 2 0.02 0.00 0.03 0.00 0.00 99.95 08:35:01 3 0.03 0.00 0.03 0.00 0.00 99.93 08:36:01 all 0.15 0.00 0.03 0.00 0.00 99.81 08:36:01 0 0.03 0.00 0.03 0.00 0.00 99.93 08:36:01 1 0.53 0.00 0.02 0.00 0.00 99.45 08:36:01 2 0.02 0.00 0.05 0.00 0.00 99.93 08:36:01 3 0.05 0.00 0.03 0.00 0.00 99.92 08:37:01 all 0.10 0.00 0.05 0.00 0.00 99.85 08:37:01 0 0.02 0.00 0.03 0.00 0.00 99.95 08:37:01 1 0.32 0.00 0.03 0.00 0.00 99.65 08:37:01 2 0.03 0.00 0.13 0.00 0.00 99.83 08:37:01 3 0.03 0.00 0.03 0.00 0.00 99.93 08:38:01 all 0.03 0.00 0.03 0.00 0.00 99.94 08:38:01 0 0.02 0.00 0.02 0.00 0.00 99.97 08:38:01 1 0.02 0.00 0.02 0.00 0.00 99.97 08:38:01 2 0.05 0.00 0.02 0.00 0.00 99.93 08:38:01 3 0.03 0.00 0.03 0.00 0.00 99.93 Average: all 2.30 0.00 0.93 1.09 0.00 95.68 Average: 0 2.27 0.00 1.02 0.94 0.00 95.77 Average: 1 2.56 0.00 0.89 1.42 0.00 95.14 Average: 2 2.09 0.00 0.83 0.70 0.00 96.37 Average: 3 2.28 0.00 0.98 1.29 0.00 95.45