---> uname -a: Linux 24b81b101a88 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-439 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-439@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 651 124 0 1061 1080 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) 08/07/20 _x86_64_ (4 CPU) 23:44:55 LINUX RESTART 23:46:01 tps rtps wtps bread/s bwrtn/s 23:47:01 8.57 1.93 6.64 165.83 1314.65 23:48:01 0.62 0.00 0.62 0.00 10.01 23:49:01 0.15 0.00 0.15 0.00 1.88 23:50:01 0.27 0.00 0.27 0.00 3.50 23:51:01 0.38 0.00 0.38 0.00 5.80 23:52:01 82.64 54.83 27.81 4953.37 14930.99 Average: 15.45 9.47 5.98 853.71 2712.68 23:46:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:47:01 226376 1655180 87.97 2620 1090048 1093780 37.33 436472 1059124 16 23:48:01 230324 1651232 87.76 2620 1090052 1065280 36.36 438444 1054328 8 23:49:01 229204 1652352 87.82 2620 1090060 1065508 36.36 439804 1054068 12 23:50:01 229316 1652240 87.81 2620 1090060 1065280 36.36 444444 1049340 12 23:51:01 228124 1653432 87.88 2620 1090064 1065352 36.36 449056 1045868 8 23:52:01 190048 1691508 89.90 2620 1067576 1272596 43.43 468348 1040052 18104 Average: 222232 1659324 88.19 2620 1086310 1104633 37.70 446095 1050463 3027 23:46:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:47:01 eth0 117.35 69.66 30.39 318.83 0.00 0.00 0.00 23:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:47:01 docker0 0.00 0.03 0.00 0.00 0.00 0.00 0.00 23:48:01 eth0 0.55 0.10 0.06 0.01 0.00 0.00 0.00 23:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:49:01 eth0 1.32 0.70 0.61 0.41 0.00 0.00 0.00 23:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:50:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 23:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:51:01 eth0 0.20 0.17 0.08 0.07 0.00 0.00 0.00 23:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:52:01 eth0 84.26 59.93 2326.99 9.22 0.00 0.00 0.00 23:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 33.97 21.78 393.26 54.76 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 0.01 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) 08/07/20 _x86_64_ (4 CPU) 23:44:55 LINUX RESTART 23:46:01 CPU %user %nice %system %iowait %steal %idle 23:47:01 all 1.95 0.00 0.41 0.07 0.00 97.56 23:47:01 0 1.65 0.00 0.52 0.02 0.00 97.81 23:47:01 1 1.47 0.00 0.43 0.02 0.00 98.08 23:47:01 2 2.40 0.00 0.32 0.07 0.00 97.22 23:47:01 3 2.30 0.00 0.40 0.18 0.00 97.11 23:48:01 all 0.12 0.00 0.03 0.00 0.00 99.85 23:48:01 0 0.03 0.00 0.05 0.00 0.00 99.92 23:48:01 1 0.02 0.00 0.02 0.00 0.00 99.97 23:48:01 2 0.02 0.00 0.02 0.00 0.00 99.97 23:48:01 3 0.38 0.00 0.07 0.00 0.00 99.55 23:49:01 all 0.19 0.00 0.03 0.00 0.00 99.78 23:49:01 0 0.05 0.00 0.02 0.00 0.02 99.92 23:49:01 1 0.08 0.00 0.03 0.00 0.02 99.87 23:49:01 2 0.07 0.00 0.02 0.00 0.00 99.92 23:49:01 3 0.55 0.00 0.02 0.00 0.00 99.43 23:50:01 all 0.15 0.00 0.03 0.00 0.00 99.81 23:50:01 0 0.02 0.00 0.03 0.00 0.00 99.95 23:50:01 1 0.05 0.00 0.03 0.00 0.00 99.92 23:50:01 2 0.03 0.00 0.05 0.00 0.02 99.90 23:50:01 3 0.52 0.00 0.05 0.00 0.00 99.43 23:51:01 all 0.16 0.00 0.07 0.00 0.00 99.77 23:51:01 0 0.02 0.00 0.03 0.00 0.00 99.95 23:51:01 1 0.37 0.00 0.00 0.00 0.00 99.63 23:51:01 2 0.05 0.00 0.02 0.00 0.00 99.93 23:51:01 3 0.20 0.00 0.22 0.00 0.00 99.58 23:52:01 all 3.96 0.00 2.09 1.53 0.00 92.42 23:52:01 0 3.31 0.00 2.14 0.75 0.00 93.80 23:52:01 1 4.13 0.00 2.22 1.42 0.00 92.23 23:52:01 2 5.02 0.00 1.99 3.13 0.00 89.86 23:52:01 3 3.36 0.00 1.99 0.80 0.00 93.84 Average: all 1.09 0.00 0.44 0.27 0.00 98.20 Average: 0 0.85 0.00 0.46 0.13 0.00 98.56 Average: 1 1.02 0.00 0.46 0.24 0.00 98.29 Average: 2 1.26 0.00 0.40 0.53 0.00 97.80 Average: 3 1.22 0.00 0.46 0.16 0.00 98.16