---> uname -a: Linux fa5da9c7b99a 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 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% /w/workspace/ndry_app-functions-sdk-go_PR-435 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-435@tmp /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 677 115 0 1044 1053 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) 08/04/20 _x86_64_ (4 CPU) 23:02:57 LINUX RESTART 23:04:01 tps rtps wtps bread/s bwrtn/s 23:05:02 2.15 0.00 2.15 0.00 44.98 23:06:01 0.17 0.00 0.17 0.00 1.78 23:07:01 0.40 0.00 0.40 0.00 6.13 23:08:01 0.25 0.00 0.25 0.00 2.70 23:09:01 0.30 0.00 0.30 0.00 4.90 23:10:01 0.30 0.02 0.28 0.13 2.88 23:11:01 0.23 0.00 0.23 0.00 2.06 23:12:01 0.72 0.22 0.50 13.59 10.46 23:13:01 0.38 0.00 0.38 0.00 5.46 Average: 0.55 0.03 0.52 1.53 9.05 23:04:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:05:02 206612 1674944 89.02 2620 1082748 1122216 38.30 453484 1062864 16 23:06:01 210256 1671300 88.83 2620 1082752 1083796 36.99 453852 1059372 16 23:07:01 209380 1672176 88.87 2620 1082760 1083976 36.99 454916 1059376 8 23:08:01 208436 1673120 88.92 2620 1082760 1083952 36.99 458780 1056680 8 23:09:01 209000 1672556 88.89 2620 1082764 1083892 36.99 465408 1049564 8 23:10:01 209172 1672384 88.88 2620 1082776 1083844 36.99 465360 1049504 8 23:11:01 209500 1672056 88.87 2620 1082780 1083796 36.99 456672 1057680 8 23:12:01 201772 1679784 89.28 2620 1083288 1096348 37.42 463380 1058012 8 23:13:01 200352 1681204 89.35 2620 1083292 1096312 37.42 465012 1058012 8 Average: 207164 1674392 88.99 2620 1082880 1090904 37.23 459652 1056785 10 23:04:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:05:02 eth0 3.13 1.10 3.22 0.28 0.00 0.00 0.00 23:05:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:05:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:06:01 eth0 1.19 0.08 0.11 0.01 0.00 0.00 0.00 23:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:07:01 eth0 2.00 0.55 0.64 0.39 0.00 0.00 0.00 23:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:08:01 eth0 0.57 0.35 0.27 0.20 0.00 0.00 0.00 23:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:09:01 eth0 0.23 0.17 0.08 0.07 0.00 0.00 0.00 23:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:01 eth0 0.13 0.07 0.06 0.00 0.00 0.00 0.00 23:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:11:01 eth0 0.07 0.05 0.00 0.00 0.00 0.00 0.00 23:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:12:01 eth0 7.29 4.06 6.41 2.99 0.00 0.00 0.00 23:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:13:01 eth0 1.57 0.93 1.15 0.61 0.00 0.00 0.00 23:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 1.80 0.82 1.33 0.51 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 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) 08/04/20 _x86_64_ (4 CPU) 23:02:57 LINUX RESTART 23:04:01 CPU %user %nice %system %iowait %steal %idle 23:05:02 all 0.15 0.00 0.07 0.00 0.00 99.79 23:05:02 0 0.02 0.00 0.03 0.00 0.00 99.95 23:05:02 1 0.30 0.00 0.08 0.00 0.00 99.62 23:05:02 2 0.17 0.00 0.05 0.00 0.00 99.78 23:05:02 3 0.08 0.00 0.07 0.00 0.00 99.85 23:06:01 all 0.14 0.00 0.03 0.00 0.00 99.82 23:06:01 0 0.03 0.00 0.03 0.00 0.00 99.93 23:06:01 1 0.42 0.00 0.03 0.00 0.00 99.54 23:06:01 2 0.05 0.00 0.05 0.00 0.00 99.90 23:06:01 3 0.05 0.00 0.03 0.00 0.00 99.92 23:07:01 all 0.16 0.00 0.03 0.00 0.00 99.80 23:07:01 0 0.02 0.00 0.02 0.00 0.00 99.97 23:07:01 1 0.52 0.00 0.03 0.00 0.00 99.45 23:07:01 2 0.05 0.00 0.03 0.00 0.02 99.90 23:07:01 3 0.07 0.00 0.05 0.00 0.00 99.88 23:08:01 all 0.15 0.00 0.04 0.00 0.00 99.82 23:08:01 0 0.02 0.00 0.00 0.00 0.00 99.98 23:08:01 1 0.47 0.00 0.08 0.00 0.00 99.45 23:08:01 2 0.07 0.00 0.03 0.00 0.00 99.90 23:08:01 3 0.03 0.00 0.03 0.00 0.00 99.93 23:09:01 all 0.14 0.00 0.06 0.00 0.00 99.80 23:09:01 0 0.03 0.00 0.02 0.00 0.00 99.95 23:09:01 1 0.47 0.00 0.13 0.00 0.00 99.40 23:09:01 2 0.03 0.00 0.03 0.00 0.00 99.93 23:09:01 3 0.07 0.00 0.05 0.00 0.00 99.88 23:10:01 all 0.15 0.00 0.04 0.00 0.00 99.80 23:10:01 0 0.02 0.00 0.02 0.00 0.00 99.97 23:10:01 1 0.05 0.00 0.10 0.00 0.00 99.85 23:10:01 2 0.50 0.00 0.02 0.00 0.00 99.48 23:10:01 3 0.02 0.00 0.02 0.00 0.00 99.97 23:11:01 all 0.15 0.00 0.02 0.00 0.00 99.83 23:11:01 0 0.02 0.00 0.02 0.00 0.00 99.97 23:11:01 1 0.03 0.00 0.03 0.00 0.00 99.93 23:11:01 2 0.52 0.00 0.02 0.00 0.00 99.47 23:11:01 3 0.05 0.00 0.02 0.00 0.00 99.93 23:12:01 all 0.25 0.00 0.08 0.00 0.00 99.67 23:12:01 0 0.13 0.00 0.10 0.03 0.00 99.73 23:12:01 1 0.10 0.00 0.07 0.00 0.00 99.83 23:12:01 2 0.63 0.00 0.07 0.00 0.00 99.30 23:12:01 3 0.12 0.00 0.08 0.00 0.00 99.80 23:13:01 all 0.19 0.00 0.05 0.00 0.00 99.77 23:13:01 0 0.08 0.00 0.05 0.00 0.00 99.87 23:13:01 1 0.07 0.00 0.07 0.00 0.00 99.87 23:13:01 2 0.55 0.00 0.03 0.00 0.00 99.42 23:13:01 3 0.07 0.00 0.05 0.00 0.00 99.88 Average: all 0.16 0.00 0.05 0.00 0.00 99.79 Average: 0 0.04 0.00 0.03 0.00 0.00 99.92 Average: 1 0.27 0.00 0.07 0.00 0.00 99.66 Average: 2 0.29 0.00 0.04 0.00 0.00 99.68 Average: 3 0.06 0.00 0.04 0.00 0.00 99.89