---> uname -a: Linux 1a8c63e4a824 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 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-422 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-422@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 681 121 0 1034 1050 Swap: 1023 1 1022 ---> 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) 16:54:44 LINUX RESTART 16:55:01 tps rtps wtps bread/s bwrtn/s 16:56:01 189.93 98.52 91.41 11689.03 42024.16 16:57:01 1.88 0.00 1.88 0.00 38.23 16:58:01 0.40 0.00 0.40 0.00 5.43 16:59:01 0.27 0.00 0.27 0.00 3.35 17:00:01 0.20 0.00 0.20 0.00 2.96 17:01:01 0.28 0.02 0.27 0.13 3.53 17:02:01 0.57 0.13 0.43 2.26 6.59 17:03:01 0.28 0.00 0.28 0.00 3.50 Average: 24.23 12.34 11.90 1461.92 5262.72 16:55:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:56:01 201552 1680004 89.29 2620 1097744 1107568 37.80 437492 1083624 120 16:57:01 206944 1674612 89.00 2620 1097748 1071228 36.56 437196 1079688 16 16:58:01 203988 1677568 89.16 2620 1097756 1071484 36.57 440192 1079672 20 16:59:01 204748 1676808 89.12 2620 1097756 1071292 36.56 439172 1079672 12 17:00:01 201776 1679780 89.28 2620 1097764 1071456 36.57 450468 1071696 8 17:01:01 201112 1680444 89.31 2620 1097772 1073744 36.64 450756 1071692 8 17:02:01 202184 1679372 89.25 2620 1097916 1071800 36.58 451424 1070544 8 17:03:01 202036 1679520 89.26 2620 1097920 1071800 36.58 443236 1078736 8 Average: 203043 1678514 89.21 2620 1097797 1076297 36.73 443742 1076916 25 16:55:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:56:01 eth0 688.30 490.88 1662.08 415.99 0.00 0.00 0.00 16:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:56:01 docker0 131.21 95.39 10.07 303.33 0.00 0.00 0.00 16:57:01 eth0 0.12 0.12 0.01 0.04 0.00 0.00 0.00 16:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:58:01 eth0 0.82 0.32 0.31 0.17 0.00 0.00 0.00 16:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:59:01 eth0 0.73 0.08 0.06 0.04 0.00 0.00 0.00 16:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:01 eth0 0.52 0.30 0.27 0.20 0.00 0.00 0.00 17:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:01:01 eth0 0.33 0.23 0.14 0.08 0.00 0.00 0.00 17:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:02:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 17:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:03:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 17:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 86.40 61.53 207.93 52.08 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 16.41 11.93 1.26 37.93 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) 16:54:44 LINUX RESTART 16:55:01 CPU %user %nice %system %iowait %steal %idle 16:56:01 all 18.58 0.00 9.01 10.55 0.02 61.84 16:56:01 0 18.16 0.00 10.55 7.48 0.02 63.79 16:56:01 1 20.23 0.00 7.54 10.58 0.02 61.64 16:56:01 2 17.25 0.00 8.98 13.51 0.02 60.25 16:56:01 3 18.70 0.00 8.97 10.63 0.02 61.68 16:57:01 all 0.15 0.00 0.04 0.00 0.00 99.80 16:57:01 0 0.53 0.00 0.05 0.00 0.00 99.42 16:57:01 1 0.00 0.00 0.02 0.00 0.00 99.98 16:57:01 2 0.03 0.00 0.07 0.00 0.00 99.90 16:57:01 3 0.03 0.00 0.02 0.00 0.00 99.95 16:58:01 all 0.15 0.00 0.03 0.00 0.00 99.82 16:58:01 0 0.50 0.00 0.03 0.00 0.00 99.47 16:58:01 1 0.03 0.00 0.03 0.00 0.00 99.93 16:58:01 2 0.07 0.00 0.03 0.00 0.00 99.90 16:58:01 3 0.03 0.00 0.03 0.00 0.00 99.93 16:59:01 all 0.08 0.00 0.03 0.00 0.00 99.90 16:59:01 0 0.23 0.00 0.02 0.00 0.00 99.75 16:59:01 1 0.02 0.00 0.02 0.00 0.00 99.97 16:59:01 2 0.00 0.00 0.02 0.00 0.00 99.98 16:59:01 3 0.05 0.00 0.03 0.00 0.00 99.92 17:00:01 all 0.16 0.00 0.05 0.00 0.00 99.79 17:00:01 0 0.43 0.00 0.05 0.00 0.00 99.52 17:00:01 1 0.08 0.00 0.08 0.00 0.00 99.83 17:00:01 2 0.07 0.00 0.05 0.00 0.00 99.88 17:00:01 3 0.03 0.00 0.02 0.00 0.00 99.95 17:01:01 all 0.14 0.00 0.05 0.00 0.00 99.80 17:01:01 0 0.53 0.00 0.03 0.00 0.00 99.43 17:01:01 1 0.00 0.00 0.08 0.00 0.00 99.92 17:01:01 2 0.03 0.00 0.07 0.00 0.00 99.90 17:01:01 3 0.02 0.00 0.03 0.00 0.00 99.95 17:02:01 all 0.16 0.00 0.04 0.00 0.00 99.80 17:02:01 0 0.52 0.00 0.02 0.02 0.00 99.45 17:02:01 1 0.03 0.00 0.05 0.00 0.00 99.92 17:02:01 2 0.05 0.00 0.07 0.00 0.00 99.88 17:02:01 3 0.02 0.00 0.03 0.02 0.00 99.93 17:03:01 all 0.14 0.00 0.02 0.00 0.00 99.83 17:03:01 0 0.52 0.00 0.02 0.00 0.00 99.47 17:03:01 1 0.02 0.00 0.02 0.00 0.00 99.97 17:03:01 2 0.03 0.00 0.03 0.00 0.00 99.93 17:03:01 3 0.02 0.00 0.03 0.00 0.00 99.95 Average: all 2.42 0.00 1.15 1.31 0.00 95.12 Average: 0 2.66 0.00 1.33 0.93 0.00 95.08 Average: 1 2.53 0.00 0.97 1.31 0.00 95.18 Average: 2 2.17 0.00 1.15 1.67 0.00 95.00 Average: 3 2.33 0.00 1.13 1.31 0.00 95.22