---> uname -a: Linux caf75b8b7d5a 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-411 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-411@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 666 121 0 1049 1065 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) 07/16/20 _x86_64_ (4 CPU) 23:02:15 LINUX RESTART 23:03:01 tps rtps wtps bread/s bwrtn/s 23:04:01 74.90 27.64 47.26 6465.33 6588.59 23:05:01 2.50 0.00 2.50 0.00 92.78 23:06:01 0.30 0.00 0.30 0.00 4.33 23:07:01 0.28 0.00 0.28 0.00 3.21 23:08:01 0.23 0.00 0.23 0.00 3.03 23:09:02 0.35 0.00 0.35 0.00 4.85 23:10:01 0.24 0.02 0.22 0.14 2.34 23:11:01 0.25 0.00 0.25 0.00 3.21 23:12:01 120.29 88.28 32.01 6016.38 15250.05 Average: 22.20 12.91 9.29 1390.19 2444.55 23:03:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:04:01 171472 1710084 90.89 2620 1103044 1118732 38.18 471524 1077668 120 23:05:01 182928 1698628 90.28 2620 1103232 1119292 38.20 461064 1077408 16 23:06:01 194888 1686668 89.64 2620 1103240 1040404 35.51 454968 1073400 8 23:07:01 192396 1689160 89.77 2620 1103240 1040680 35.52 458292 1072708 8 23:08:01 193852 1687704 89.70 2620 1103248 1040396 35.51 459884 1069660 8 23:09:02 193288 1688268 89.73 2620 1103252 1040536 35.51 486768 1043632 8 23:10:01 194168 1687388 89.68 2620 1103260 1040532 35.51 488008 1041584 8 23:11:01 194268 1687288 89.68 2620 1103264 1040532 35.51 480228 1049336 20 23:12:01 70348 1811208 96.26 2620 1107144 1498712 51.15 550348 1064672 104296 Average: 176401 1705155 90.62 2620 1103658 1108868 37.84 479009 1063341 11610 23:03:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:04:01 eth0 500.65 375.92 1614.47 410.17 0.00 0.00 0.00 23:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:04:01 docker0 103.03 98.27 9.06 303.03 0.00 0.00 0.00 23:05:01 eth0 1.63 1.27 3.71 1.12 0.00 0.00 0.00 23:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:06:01 eth0 0.47 0.03 0.05 0.00 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 0.50 0.27 0.27 0.20 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 0.77 0.08 0.06 0.01 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 23:09:02 eth0 0.67 0.42 0.40 0.27 0.00 0.00 0.00 23:09:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:09:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:01 eth0 0.12 0.08 0.01 0.01 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 0.08 0.08 0.01 0.01 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 77.33 53.51 2329.95 10.58 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 Average: eth0 64.86 48.09 439.78 47.06 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 11.48 10.95 1.01 33.76 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) 07/16/20 _x86_64_ (4 CPU) 23:02:15 LINUX RESTART 23:03:01 CPU %user %nice %system %iowait %steal %idle 23:04:01 all 17.96 0.00 5.15 2.90 17.61 56.38 23:04:01 0 16.41 0.00 5.74 1.92 18.06 57.87 23:04:01 1 15.63 0.00 4.90 2.93 17.92 58.62 23:04:01 2 18.06 0.00 5.06 3.04 17.37 56.48 23:04:01 3 21.78 0.00 4.90 3.74 17.09 52.49 23:05:01 all 0.40 0.00 0.05 0.00 0.35 99.20 23:05:01 0 0.35 0.00 0.03 0.00 0.25 99.37 23:05:01 1 0.07 0.00 0.05 0.00 0.43 99.45 23:05:01 2 0.08 0.00 0.05 0.00 0.40 99.47 23:05:01 3 1.13 0.00 0.08 0.00 0.32 98.47 23:06:01 all 0.23 0.00 0.05 0.00 0.55 99.17 23:06:01 0 0.17 0.00 0.03 0.00 0.22 99.58 23:06:01 1 0.38 0.00 0.03 0.00 0.68 98.91 23:06:01 2 0.05 0.00 0.07 0.00 0.43 99.45 23:06:01 3 0.28 0.00 0.03 0.00 0.88 98.81 23:07:01 all 0.09 0.00 0.02 0.00 1.22 98.67 23:07:01 0 0.02 0.00 0.02 0.00 1.02 98.94 23:07:01 1 0.03 0.00 0.03 0.00 1.46 98.47 23:07:01 2 0.20 0.00 0.02 0.00 1.35 98.44 23:07:01 3 0.12 0.00 0.03 0.00 1.03 98.83 23:08:01 all 0.12 0.00 0.03 0.00 0.22 99.63 23:08:01 0 0.37 0.00 0.05 0.00 0.12 99.47 23:08:01 1 0.03 0.00 0.05 0.00 0.35 99.57 23:08:01 2 0.05 0.00 0.00 0.00 0.15 99.80 23:08:01 3 0.02 0.00 0.02 0.00 0.27 99.70 23:09:02 all 0.14 0.00 0.06 0.00 0.08 99.72 23:09:02 0 0.40 0.00 0.17 0.00 0.08 99.35 23:09:02 1 0.07 0.00 0.03 0.00 0.13 99.77 23:09:02 2 0.05 0.00 0.03 0.00 0.05 99.87 23:09:02 3 0.03 0.00 0.03 0.00 0.08 99.85 23:10:01 all 0.11 0.00 0.04 0.00 0.11 99.74 23:10:01 0 0.41 0.00 0.03 0.00 0.07 99.49 23:10:01 1 0.02 0.00 0.05 0.00 0.17 99.76 23:10:01 2 0.02 0.00 0.02 0.00 0.15 99.81 23:10:01 3 0.02 0.00 0.03 0.02 0.03 99.90 23:11:01 all 0.11 0.00 0.03 0.00 0.14 99.73 23:11:01 0 0.30 0.00 0.00 0.00 0.15 99.55 23:11:01 1 0.03 0.00 0.02 0.00 0.00 99.95 23:11:01 2 0.02 0.00 0.02 0.00 0.20 99.77 23:11:01 3 0.07 0.00 0.07 0.00 0.18 99.68 23:12:01 all 3.98 0.00 2.61 2.36 3.79 87.25 23:12:01 0 3.93 0.00 2.43 1.02 3.85 88.76 23:12:01 1 3.60 0.00 2.68 5.31 3.89 84.52 23:12:01 2 5.14 0.00 2.89 2.16 3.71 86.11 23:12:01 3 3.29 0.00 2.45 0.96 3.73 89.56 Average: all 2.55 0.00 0.88 0.58 2.65 93.34 Average: 0 2.46 0.00 0.94 0.32 2.62 93.66 Average: 1 2.19 0.00 0.86 0.90 2.76 93.28 Average: 2 2.63 0.00 0.90 0.57 2.65 93.24 Average: 3 2.91 0.00 0.84 0.51 2.58 93.16