---> uname -a: Linux 91e569506f1d 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% /var/log/sa /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-394 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-394@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 631 128 0 1078 1101 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) 06/23/20 _x86_64_ (4 CPU) 09:16:42 LINUX RESTART 09:18:01 tps rtps wtps bread/s bwrtn/s 09:19:01 9.45 3.14 6.30 260.55 1280.11 09:20:01 38.41 9.15 29.26 4315.95 2409.57 09:21:01 9.76 1.31 8.44 162.90 1317.32 09:22:01 4.63 1.40 3.23 33.28 58.59 09:23:02 0.40 0.00 0.40 0.00 6.19 09:24:01 0.29 0.00 0.29 0.00 3.64 09:25:01 0.32 0.00 0.32 0.00 3.13 09:26:01 0.28 0.02 0.27 0.13 2.95 09:27:01 0.28 0.00 0.28 0.00 2.90 09:28:01 0.20 0.00 0.20 0.00 1.63 Average: 6.42 1.51 4.91 478.32 509.82 09:18:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:19:01 95140 1786416 94.94 2620 1281876 1049128 35.80 362912 1268976 3360 09:20:01 142608 1738948 92.42 2620 1158768 1327976 45.32 423872 1152256 44 09:21:01 164140 1717416 91.28 2620 1119520 1402696 47.87 455260 1099224 20 09:22:01 226412 1655144 87.97 2620 1102388 1097752 37.46 434536 1059900 20 09:23:02 234796 1646760 87.52 2620 1102392 1024392 34.96 443168 1044120 12 09:24:01 235320 1646236 87.49 2620 1102404 1024380 34.96 456576 1030712 16 09:25:01 234396 1647160 87.54 2620 1102404 1024548 34.97 457484 1030712 12 09:26:01 235328 1646228 87.49 2620 1102412 1024496 34.96 456536 1030712 12 09:27:01 235524 1646032 87.48 2620 1102420 1024436 34.96 456008 1031040 8 09:28:01 235016 1646540 87.51 2620 1102424 1024508 34.96 451108 1036296 12 Average: 203868 1677688 89.16 2620 1127701 1102431 37.62 439746 1078395 352 09:18:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 09:19:01 eth0 145.89 119.38 391.82 28.11 0.00 0.00 0.00 09:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:01 veth2542f24 0.00 0.18 0.00 0.02 0.00 0.00 0.00 09:20:01 eth0 407.45 306.75 1349.07 71.94 0.00 0.00 0.00 09:20:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 09:20:01 docker0 0.00 0.08 0.00 0.01 0.00 0.00 0.00 09:21:01 veth2542f24 79.64 81.70 8.82 300.29 0.00 0.00 0.00 09:21:01 eth0 98.44 90.72 314.68 28.82 0.00 0.00 0.00 09:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:21:01 docker0 79.64 81.67 7.73 300.29 0.00 0.00 0.00 09:22:01 eth0 85.29 49.53 24.85 320.63 0.00 0.00 0.00 09:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:23:02 eth0 0.22 0.20 0.08 0.04 0.00 0.00 0.00 09:23:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:23:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:24:01 eth0 0.85 0.14 0.12 0.04 0.00 0.00 0.00 09:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:25:01 eth0 1.30 0.65 0.58 0.40 0.00 0.00 0.00 09:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:26:01 eth0 0.20 0.13 0.16 0.01 0.00 0.00 0.00 09:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:27:01 eth0 0.05 0.05 0.00 0.00 0.00 0.00 0.00 09:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:28:01 eth0 0.25 0.17 0.08 0.04 0.00 0.00 0.00 09:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 45.16 36.11 130.75 40.50 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 7.99 8.20 0.78 30.12 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) 06/23/20 _x86_64_ (4 CPU) 09:16:42 LINUX RESTART 09:18:01 CPU %user %nice %system %iowait %steal %idle 09:19:01 all 3.23 0.00 0.55 0.33 3.48 92.40 09:19:01 0 3.01 0.00 0.72 1.12 5.42 89.73 09:19:01 1 2.73 0.00 0.49 0.12 3.34 93.33 09:19:01 2 1.04 0.00 0.53 0.10 3.23 95.10 09:19:01 3 6.20 0.00 0.48 0.00 1.96 91.36 09:20:01 all 2.05 0.00 1.50 1.28 4.29 90.87 09:20:01 0 2.63 0.00 1.31 1.64 4.97 89.46 09:20:01 1 1.62 0.00 1.37 0.86 4.22 91.94 09:20:01 2 2.08 0.00 1.76 0.85 3.51 91.80 09:20:01 3 1.88 0.00 1.55 1.78 4.44 90.33 09:21:01 all 1.44 0.00 0.70 0.02 3.50 94.34 09:21:01 0 1.02 0.00 0.57 0.02 3.86 94.53 09:21:01 1 1.46 0.00 0.79 0.02 3.46 94.27 09:21:01 2 1.29 0.00 0.64 0.02 3.65 94.40 09:21:01 3 1.97 0.00 0.81 0.07 3.06 94.09 09:22:01 all 1.65 0.00 0.28 0.02 3.28 94.76 09:22:01 0 0.89 0.00 0.20 0.02 3.72 95.18 09:22:01 1 1.96 0.00 0.40 0.05 3.30 94.29 09:22:01 2 1.55 0.00 0.21 0.02 3.48 94.74 09:22:01 3 2.24 0.00 0.28 0.00 2.57 94.91 09:23:02 all 0.11 0.00 0.05 0.00 0.23 99.61 09:23:02 0 0.18 0.00 0.03 0.00 0.17 99.62 09:23:02 1 0.20 0.00 0.03 0.00 0.28 99.48 09:23:02 2 0.07 0.00 0.10 0.00 0.40 99.43 09:23:02 3 0.02 0.00 0.02 0.00 0.08 99.88 09:24:01 all 0.12 0.00 0.04 0.00 0.12 99.72 09:24:01 0 0.03 0.00 0.03 0.00 0.22 99.71 09:24:01 1 0.39 0.00 0.03 0.00 0.17 99.41 09:24:01 2 0.02 0.00 0.10 0.00 0.05 99.83 09:24:01 3 0.02 0.00 0.02 0.00 0.03 99.93 09:25:01 all 0.10 0.00 0.03 0.00 0.25 99.62 09:25:01 0 0.02 0.00 0.03 0.00 0.08 99.87 09:25:01 1 0.35 0.00 0.03 0.00 0.22 99.40 09:25:01 2 0.02 0.00 0.02 0.00 0.50 99.47 09:25:01 3 0.03 0.00 0.02 0.00 0.20 99.75 09:26:01 all 0.13 0.00 0.02 0.00 0.06 99.79 09:26:01 0 0.02 0.00 0.03 0.00 0.02 99.93 09:26:01 1 0.42 0.00 0.02 0.00 0.08 99.48 09:26:01 2 0.03 0.00 0.03 0.00 0.05 99.88 09:26:01 3 0.03 0.00 0.03 0.00 0.08 99.85 09:27:01 all 0.12 0.00 0.02 0.00 0.06 99.80 09:27:01 0 0.03 0.00 0.02 0.00 0.00 99.95 09:27:01 1 0.40 0.00 0.02 0.00 0.08 99.50 09:27:01 2 0.05 0.00 0.03 0.00 0.08 99.83 09:27:01 3 0.00 0.00 0.02 0.00 0.07 99.92 09:28:01 all 0.11 0.00 0.03 0.00 0.12 99.74 09:28:01 0 0.03 0.00 0.02 0.00 0.08 99.87 09:28:01 1 0.33 0.00 0.05 0.00 0.08 99.53 09:28:01 2 0.05 0.00 0.03 0.00 0.13 99.78 09:28:01 3 0.03 0.00 0.02 0.00 0.17 99.78 Average: all 0.91 0.00 0.32 0.17 1.55 97.05 Average: 0 0.79 0.00 0.30 0.28 1.86 96.78 Average: 1 0.99 0.00 0.33 0.10 1.53 97.04 Average: 2 0.62 0.00 0.35 0.10 1.52 97.41 Average: 3 1.24 0.00 0.33 0.19 1.27 96.97