---> uname -a: Linux b9eee84b1fa8 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-414 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-414@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 672 115 0 1048 1058 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) 07/21/20 _x86_64_ (4 CPU) 23:44:12 LINUX RESTART 23:45:01 tps rtps wtps bread/s bwrtn/s 23:46:01 28.98 11.02 17.95 4481.07 3507.73 23:47:01 2.00 0.00 2.00 0.00 35.19 23:48:01 0.15 0.00 0.15 0.00 2.15 23:49:01 0.20 0.00 0.20 0.00 1.75 23:50:01 0.33 0.00 0.33 0.00 5.88 23:51:01 148.98 97.22 51.76 7187.48 19574.37 Average: 30.11 18.04 12.07 1945.08 3855.15 23:45:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:46:01 205056 1676500 89.10 2620 1090488 1108696 37.84 456800 1061192 20 23:47:01 206304 1675252 89.04 2620 1090556 1082288 36.94 459044 1058328 8 23:48:01 205096 1676460 89.10 2620 1090564 1082568 36.95 461760 1057048 8 23:49:01 204468 1677088 89.13 2620 1090564 1082352 36.94 462604 1056808 16 23:50:01 204300 1677256 89.14 2620 1090568 1082436 36.94 474272 1045528 8 23:51:01 99968 1781588 94.69 2620 1106136 1280432 43.70 500112 1075344 76 Average: 187532 1694024 90.03 2620 1093146 1119795 38.22 469099 1059041 23 23:45:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:46:01 eth0 275.74 208.79 654.27 347.27 0.00 0.00 0.00 23:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:46:01 docker0 112.12 106.21 9.11 303.27 0.00 0.00 0.00 23:47:01 eth0 0.65 0.07 0.06 0.01 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 0.00 0.00 0.00 0.00 0.00 0.00 23:48:01 eth0 4.41 2.02 3.46 0.49 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 0.10 0.08 0.01 0.01 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 0.22 0.17 0.08 0.07 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 98.65 66.41 2330.61 22.65 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 Average: eth0 63.31 46.26 498.16 61.76 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 18.69 17.70 1.52 50.55 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) 07/21/20 _x86_64_ (4 CPU) 23:44:12 LINUX RESTART 23:45:01 CPU %user %nice %system %iowait %steal %idle 23:46:01 all 4.18 0.00 1.39 0.51 0.01 93.91 23:46:01 0 3.54 0.00 1.59 0.10 0.02 94.75 23:46:01 1 6.43 0.00 1.29 0.32 0.02 91.95 23:46:01 2 4.06 0.00 1.37 1.47 0.02 93.09 23:46:01 3 2.69 0.00 1.30 0.17 0.02 95.82 23:47:01 all 0.13 0.00 0.03 0.00 0.00 99.84 23:47:01 0 0.02 0.00 0.02 0.00 0.00 99.97 23:47:01 1 0.03 0.00 0.03 0.00 0.00 99.93 23:47:01 2 0.42 0.00 0.02 0.00 0.00 99.57 23:47:01 3 0.05 0.00 0.03 0.00 0.00 99.92 23:48:01 all 0.16 0.00 0.03 0.00 0.00 99.81 23:48:01 0 0.05 0.00 0.02 0.00 0.00 99.93 23:48:01 1 0.03 0.00 0.02 0.00 0.00 99.95 23:48:01 2 0.53 0.00 0.00 0.00 0.00 99.47 23:48:01 3 0.05 0.00 0.05 0.00 0.00 99.90 23:49:01 all 0.15 0.00 0.02 0.00 0.00 99.83 23:49:01 0 0.03 0.00 0.03 0.00 0.00 99.93 23:49:01 1 0.03 0.00 0.02 0.00 0.00 99.95 23:49:01 2 0.52 0.00 0.03 0.00 0.00 99.45 23:49:01 3 0.03 0.00 0.02 0.00 0.00 99.95 23:50:01 all 0.15 0.00 0.02 0.00 0.00 99.82 23:50:01 0 0.02 0.00 0.02 0.00 0.00 99.97 23:50:01 1 0.03 0.00 0.02 0.00 0.00 99.95 23:50:01 2 0.53 0.00 0.02 0.00 0.00 99.45 23:50:01 3 0.00 0.00 0.07 0.00 0.00 99.93 23:51:01 all 4.87 0.00 2.15 1.83 0.01 91.13 23:51:01 0 5.44 0.00 2.13 2.91 0.02 89.50 23:51:01 1 4.95 0.00 2.21 2.01 0.00 90.83 23:51:01 2 4.60 0.00 2.01 1.24 0.02 92.14 23:51:01 3 4.52 0.00 2.24 1.19 0.00 92.05 Average: all 1.61 0.00 0.60 0.39 0.00 97.40 Average: 0 1.51 0.00 0.63 0.50 0.01 97.35 Average: 1 1.92 0.00 0.60 0.39 0.00 97.10 Average: 2 1.77 0.00 0.57 0.45 0.01 97.20 Average: 3 1.22 0.00 0.62 0.23 0.00 97.93