---> uname -a: Linux c0d08ab9fa55 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: 2933.436 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-389 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-389@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 679 139 0 1018 1052 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) 06/25/20 _x86_64_ (4 CPU) 19:45:37 LINUX RESTART 19:46:02 tps rtps wtps bread/s bwrtn/s 19:47:01 119.87 42.80 77.07 7758.77 28966.89 19:48:01 2.43 0.00 2.43 0.00 52.90 19:49:01 0.45 0.00 0.45 0.00 5.98 19:50:01 0.32 0.00 0.32 0.00 3.78 19:51:01 0.47 0.00 0.47 0.00 6.19 19:52:01 0.33 0.00 0.33 0.00 5.21 19:53:01 0.27 0.02 0.25 0.13 2.86 Average: 17.51 6.04 11.47 1093.78 4094.49 19:46:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:47:01 235560 1645996 87.48 2620 1043860 1149444 39.23 439564 1047352 120 19:48:01 243172 1638384 87.08 2620 1043996 1106904 37.78 439136 1041292 16 19:49:01 243464 1638092 87.06 2620 1043964 1107028 37.78 439508 1041252 16 19:50:01 242616 1638940 87.11 2620 1043964 1107156 37.79 439968 1041252 8 19:51:01 241920 1639636 87.14 2620 1043976 1099840 37.54 450888 1031048 8 19:52:01 242012 1639544 87.14 2620 1043980 1098876 37.50 451432 1030672 8 19:53:01 243948 1637608 87.03 2620 1043984 1081184 36.90 476396 1003976 16 Average: 241813 1639743 87.15 2620 1043961 1107205 37.79 448127 1033835 27 19:46:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:47:01 eth0 551.80 412.04 1672.63 418.84 0.00 0.00 0.00 19:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:47:01 docker0 108.91 85.19 9.33 306.56 0.00 0.00 0.00 19:48:01 eth0 3.46 0.75 1.03 0.58 0.00 0.00 0.00 19:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:49:01 eth0 2.91 0.87 0.99 0.56 0.00 0.00 0.00 19:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:01 eth0 2.76 0.68 0.70 0.43 0.00 0.00 0.00 19:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:51:01 eth0 1.02 0.62 0.54 0.40 0.00 0.00 0.00 19:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:52:01 eth0 0.75 0.40 0.41 0.29 0.00 0.00 0.00 19:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:53:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 19:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 79.37 58.57 236.32 59.37 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 15.35 12.01 1.32 43.22 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) 06/25/20 _x86_64_ (4 CPU) 19:45:37 LINUX RESTART 19:46:02 CPU %user %nice %system %iowait %steal %idle 19:47:01 all 17.92 0.00 7.57 3.74 5.51 65.27 19:47:01 0 17.25 0.00 8.13 3.88 5.06 65.69 19:47:01 1 17.43 0.00 8.21 1.14 5.72 67.49 19:47:01 2 17.42 0.00 6.62 2.94 6.15 66.86 19:47:01 3 19.59 0.00 7.30 7.05 5.10 60.96 19:48:01 all 0.16 0.00 0.06 0.00 0.22 99.55 19:48:01 0 0.03 0.00 0.05 0.00 0.08 99.83 19:48:01 1 0.05 0.00 0.08 0.00 0.37 99.50 19:48:01 2 0.47 0.00 0.08 0.00 0.18 99.27 19:48:01 3 0.10 0.00 0.03 0.00 0.28 99.58 19:49:01 all 0.12 0.00 0.04 0.00 0.14 99.70 19:49:01 0 0.02 0.00 0.02 0.00 0.15 99.82 19:49:01 1 0.05 0.00 0.05 0.00 0.28 99.62 19:49:01 2 0.38 0.00 0.03 0.00 0.08 99.50 19:49:01 3 0.02 0.00 0.02 0.00 0.07 99.90 19:50:01 all 0.12 0.00 0.02 0.00 0.15 99.70 19:50:01 0 0.38 0.00 0.03 0.00 0.18 99.40 19:50:01 1 0.03 0.00 0.02 0.00 0.18 99.77 19:50:01 2 0.03 0.00 0.03 0.00 0.07 99.87 19:50:01 3 0.02 0.00 0.02 0.00 0.15 99.82 19:51:01 all 0.15 0.00 0.04 0.00 0.02 99.78 19:51:01 0 0.25 0.00 0.10 0.00 0.02 99.63 19:51:01 1 0.05 0.00 0.03 0.00 0.03 99.88 19:51:01 2 0.30 0.00 0.03 0.00 0.05 99.62 19:51:01 3 0.03 0.00 0.02 0.00 0.03 99.92 19:52:01 all 0.12 0.00 0.05 0.00 0.02 99.82 19:52:01 0 0.00 0.00 0.07 0.00 0.00 99.93 19:52:01 1 0.07 0.00 0.05 0.00 0.02 99.87 19:52:01 2 0.38 0.00 0.05 0.00 0.02 99.55 19:52:01 3 0.00 0.00 0.02 0.00 0.00 99.98 19:53:01 all 0.05 0.00 0.05 0.00 0.02 99.87 19:53:01 0 0.02 0.00 0.12 0.00 0.00 99.87 19:53:01 1 0.05 0.00 0.02 0.00 0.05 99.88 19:53:01 2 0.12 0.00 0.07 0.00 0.02 99.80 19:53:01 3 0.02 0.00 0.03 0.00 0.02 99.93 Average: all 2.63 0.00 1.10 0.53 0.86 94.88 Average: 0 2.51 0.00 1.19 0.54 0.77 94.99 Average: 1 2.51 0.00 1.20 0.16 0.94 95.18 Average: 2 2.71 0.00 0.98 0.42 0.93 94.96 Average: 3 2.78 0.00 1.04 0.99 0.79 94.39