---> uname -a: Linux dbd870d5ccc0 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-416 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-416@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 668 134 0 1034 1063 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) 07/24/20 _x86_64_ (4 CPU) 16:00:33 LINUX RESTART 16:01:02 tps rtps wtps bread/s bwrtn/s 16:02:01 85.32 32.12 53.20 7423.88 6893.22 16:03:01 3.08 0.00 3.08 0.00 106.11 16:04:01 0.45 0.00 0.45 0.00 8.31 16:05:01 0.25 0.00 0.25 0.00 4.13 16:06:01 0.17 0.00 0.17 0.00 1.88 16:07:01 0.30 0.00 0.30 0.00 3.63 Average: 14.81 5.31 9.50 1227.34 1160.32 16:01:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:02:01 190564 1690992 89.87 2620 1111892 1106492 37.76 428324 1103276 120 16:03:01 195336 1686220 89.62 2620 1111900 1072192 36.59 427516 1099996 24 16:04:01 190596 1690960 89.87 2620 1111904 1072396 36.60 432700 1099984 8 16:05:01 184552 1697004 90.19 2620 1111908 1072484 36.60 439024 1099456 16 16:06:01 185940 1695616 90.12 2620 1111912 1072256 36.59 439912 1097404 12 16:07:01 185988 1695568 90.12 2620 1111916 1072328 36.60 440168 1097404 8 Average: 188829 1692727 89.96 2620 1111905 1078025 36.79 434607 1099587 31 16:01:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 16:02:01 eth0 739.86 475.82 1681.38 412.71 0.00 0.00 0.00 16:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:02:01 docker0 106.98 89.51 8.80 304.97 0.00 0.00 0.00 16:03:01 eth0 0.77 0.08 0.07 0.01 0.00 0.00 0.00 16:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:04:01 eth0 2.68 0.82 1.34 0.17 0.00 0.00 0.00 16:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:05:01 eth0 0.93 0.68 0.53 0.43 0.00 0.00 0.00 16:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:06:01 eth0 0.08 0.08 0.01 0.04 0.00 0.00 0.00 16:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:07:01 eth0 0.33 0.22 0.14 0.07 0.00 0.00 0.00 16:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 123.12 78.98 278.32 68.35 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 17.69 14.80 1.45 50.42 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) 07/24/20 _x86_64_ (4 CPU) 16:00:33 LINUX RESTART 16:01:02 CPU %user %nice %system %iowait %steal %idle 16:02:01 all 17.51 0.00 6.09 3.57 0.09 72.74 16:02:01 0 15.89 0.00 7.18 2.46 0.05 74.42 16:02:01 1 17.54 0.00 5.77 4.37 0.12 72.20 16:02:01 2 16.19 0.00 5.89 3.83 0.03 74.06 16:02:01 3 20.42 0.00 5.51 3.64 0.14 70.29 16:03:01 all 0.16 0.00 0.04 0.00 0.00 99.80 16:03:01 0 0.05 0.00 0.07 0.00 0.02 99.87 16:03:01 1 0.38 0.00 0.03 0.00 0.00 99.58 16:03:01 2 0.13 0.00 0.03 0.00 0.00 99.83 16:03:01 3 0.07 0.00 0.07 0.00 0.00 99.87 16:04:01 all 0.15 0.00 0.04 0.00 0.00 99.80 16:04:01 0 0.05 0.00 0.03 0.00 0.00 99.92 16:04:01 1 0.05 0.00 0.03 0.00 0.00 99.92 16:04:01 2 0.47 0.00 0.03 0.00 0.02 99.48 16:04:01 3 0.05 0.00 0.05 0.00 0.00 99.90 16:05:01 all 0.16 0.00 0.03 0.00 0.00 99.81 16:05:01 0 0.07 0.00 0.03 0.00 0.00 99.90 16:05:01 1 0.02 0.00 0.02 0.00 0.00 99.97 16:05:01 2 0.50 0.00 0.02 0.00 0.00 99.48 16:05:01 3 0.05 0.00 0.03 0.00 0.00 99.92 16:06:01 all 0.16 0.00 0.03 0.00 0.00 99.81 16:06:01 0 0.03 0.00 0.03 0.00 0.00 99.93 16:06:01 1 0.03 0.00 0.03 0.00 0.00 99.93 16:06:01 2 0.52 0.00 0.03 0.00 0.00 99.45 16:06:01 3 0.05 0.00 0.07 0.00 0.00 99.88 16:07:01 all 0.15 0.00 0.05 0.00 0.00 99.80 16:07:01 0 0.02 0.00 0.02 0.00 0.00 99.97 16:07:01 1 0.02 0.00 0.03 0.00 0.00 99.95 16:07:01 2 0.50 0.00 0.02 0.00 0.00 99.48 16:07:01 3 0.03 0.00 0.12 0.00 0.00 99.85 Average: all 3.00 0.00 1.03 0.58 0.02 95.37 Average: 0 2.63 0.00 1.20 0.40 0.01 95.75 Average: 1 2.96 0.00 0.97 0.72 0.02 95.34 Average: 2 3.00 0.00 0.99 0.63 0.01 95.38 Average: 3 3.39 0.00 0.96 0.60 0.02 95.03