---> uname -a: Linux 705515900b10 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-441 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-441@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 690 111 0 1035 1043 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) 08/10/20 _x86_64_ (4 CPU) 20:58:05 LINUX RESTART 20:59:01 tps rtps wtps bread/s bwrtn/s 21:00:01 29.93 10.85 19.07 4474.03 3219.56 21:01:01 1.62 0.02 1.60 0.13 29.51 21:02:01 0.52 0.12 0.40 2.13 6.26 21:03:01 0.27 0.00 0.27 0.00 2.98 21:04:01 0.47 0.00 0.47 0.00 6.15 21:05:01 0.22 0.02 0.20 0.13 2.83 21:06:01 38.10 37.66 0.43 4086.18 10.29 Average: 10.16 6.95 3.21 1223.56 468.42 20:59:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:00:01 212292 1669264 88.72 2620 1096128 1118680 38.18 419212 1088912 24 21:01:01 217504 1664052 88.44 2620 1096132 1083484 36.98 418996 1084940 8 21:02:01 210004 1671552 88.84 2620 1096276 1081772 36.92 426216 1085008 8 21:03:01 209424 1672132 88.87 2620 1096276 1081724 36.92 431328 1080636 8 21:04:01 208108 1673448 88.94 2620 1096284 1081604 36.91 436908 1076560 16 21:05:01 205480 1676076 89.08 2620 1096292 1081724 36.92 439756 1076560 12 21:06:01 71716 1809840 96.19 2620 1189104 1120264 38.23 460316 1182348 16 Average: 190647 1690909 89.87 2620 1109499 1092750 37.29 433247 1096423 13 20:59:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:00:01 eth0 236.88 198.14 650.77 349.25 0.00 0.00 0.00 21:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:01 docker0 111.87 93.13 9.06 302.43 0.00 0.00 0.00 21:01:01 eth0 0.75 0.08 0.06 0.01 0.00 0.00 0.00 21:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:02:01 eth0 4.23 2.43 3.30 0.34 0.00 0.00 0.00 21:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:03:01 eth0 0.45 0.28 0.27 0.20 0.00 0.00 0.00 21:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:04:01 eth0 0.53 0.10 0.12 0.06 0.00 0.00 0.00 21:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:05:01 eth0 0.73 0.33 0.34 0.20 0.00 0.00 0.00 21:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:06:01 eth0 7.74 4.73 8.05 2.73 0.00 0.00 0.00 21:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 35.92 29.45 94.74 50.42 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 15.99 13.31 1.30 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) 08/10/20 _x86_64_ (4 CPU) 20:58:05 LINUX RESTART 20:59:01 CPU %user %nice %system %iowait %steal %idle 21:00:01 all 4.26 0.00 1.93 0.70 0.01 93.11 21:00:01 0 3.88 0.00 1.98 0.91 0.02 93.21 21:00:01 1 3.80 0.00 1.87 0.59 0.02 93.73 21:00:01 2 5.82 0.00 1.91 1.05 0.00 91.22 21:00:01 3 3.55 0.00 1.91 0.25 0.02 94.28 21:01:01 all 0.09 0.00 0.06 0.00 0.00 99.84 21:01:01 0 0.20 0.00 0.07 0.00 0.02 99.72 21:01:01 1 0.05 0.00 0.07 0.00 0.00 99.88 21:01:01 2 0.03 0.00 0.05 0.00 0.00 99.92 21:01:01 3 0.07 0.00 0.07 0.00 0.00 99.87 21:02:01 all 0.17 0.00 0.06 0.00 0.00 99.77 21:02:01 0 0.27 0.00 0.03 0.00 0.00 99.70 21:02:01 1 0.05 0.00 0.05 0.00 0.00 99.90 21:02:01 2 0.30 0.00 0.05 0.00 0.00 99.65 21:02:01 3 0.08 0.00 0.08 0.00 0.02 99.82 21:03:01 all 0.16 0.00 0.04 0.00 0.00 99.80 21:03:01 0 0.02 0.00 0.03 0.00 0.00 99.95 21:03:01 1 0.02 0.00 0.03 0.00 0.00 99.95 21:03:01 2 0.53 0.00 0.03 0.00 0.00 99.43 21:03:01 3 0.05 0.00 0.08 0.00 0.00 99.87 21:04:01 all 0.17 0.00 0.05 0.00 0.00 99.79 21:04:01 0 0.03 0.00 0.05 0.00 0.00 99.92 21:04:01 1 0.05 0.00 0.07 0.00 0.00 99.88 21:04:01 2 0.53 0.00 0.02 0.00 0.00 99.45 21:04:01 3 0.03 0.00 0.05 0.00 0.00 99.92 21:05:01 all 0.16 0.00 0.05 0.00 0.00 99.79 21:05:01 0 0.07 0.00 0.05 0.00 0.00 99.88 21:05:01 1 0.03 0.00 0.03 0.00 0.02 99.92 21:05:01 2 0.53 0.00 0.05 0.00 0.00 99.42 21:05:01 3 0.03 0.00 0.07 0.00 0.00 99.90 21:06:01 all 0.84 0.01 0.38 0.83 0.00 97.93 21:06:01 0 0.35 0.00 0.23 0.08 0.00 99.33 21:06:01 1 0.78 0.00 0.25 0.08 0.00 98.88 21:06:01 2 0.74 0.00 0.53 1.79 0.00 96.94 21:06:01 3 1.49 0.00 0.48 1.38 0.00 96.65 Average: all 0.83 0.00 0.37 0.22 0.00 98.58 Average: 0 0.68 0.00 0.35 0.14 0.00 98.82 Average: 1 0.68 0.00 0.34 0.10 0.00 98.88 Average: 2 1.21 0.00 0.38 0.40 0.00 98.01 Average: 3 0.76 0.00 0.39 0.23 0.00 98.62