---> uname -a: Linux 7511de17d3d3 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-387 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-387@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 669 117 0 1050 1062 Swap: 1023 0 1023 ---> 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) 06/26/20 _x86_64_ (4 CPU) 19:44:35 LINUX RESTART 19:45:02 tps rtps wtps bread/s bwrtn/s 19:46:01 97.48 38.63 58.85 7635.42 8881.94 19:47:01 2.43 0.00 2.43 0.00 53.57 19:48:01 0.40 0.00 0.40 0.00 6.38 19:49:01 0.27 0.00 0.27 0.00 3.10 Average: 24.85 9.54 15.31 1885.47 2209.11 19:45:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:46:01 192960 1688596 89.74 2620 1108728 1108124 37.82 433384 1094604 120 19:47:01 204844 1676712 89.11 2620 1108732 1072476 36.60 426704 1090844 20 19:48:01 201724 1679832 89.28 2620 1108796 1072656 36.61 429740 1090848 16 19:49:01 201708 1679848 89.28 2620 1108740 1072748 36.61 429948 1090832 16 Average: 200309 1681247 89.35 2620 1108749 1081501 36.91 429944 1091782 43 19:45:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:46:01 eth0 819.69 546.22 1688.35 425.76 0.00 0.00 0.00 19:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:46:01 docker0 112.61 97.60 9.60 308.41 0.00 0.00 0.00 19:47:01 eth0 0.65 0.08 0.06 0.02 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:48:01 eth0 0.95 0.30 0.32 0.20 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 0.47 0.33 0.27 0.20 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 Average: eth0 202.93 135.06 417.08 105.24 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 27.81 24.10 2.37 76.16 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) 06/26/20 _x86_64_ (4 CPU) 19:44:35 LINUX RESTART 19:45:02 CPU %user %nice %system %iowait %steal %idle 19:46:01 all 16.04 0.00 5.98 3.25 0.01 74.72 19:46:01 0 14.77 0.00 7.04 3.01 0.02 75.16 19:46:01 1 15.58 0.00 6.23 5.56 0.00 72.63 19:46:01 2 13.68 0.00 5.76 2.27 0.02 78.27 19:46:01 3 20.13 0.00 4.91 2.15 0.02 72.79 19:47:01 all 0.15 0.00 0.03 0.00 0.00 99.81 19:47:01 0 0.35 0.00 0.02 0.00 0.00 99.63 19:47:01 1 0.03 0.00 0.05 0.00 0.00 99.92 19:47:01 2 0.20 0.00 0.03 0.00 0.00 99.77 19:47:01 3 0.03 0.00 0.02 0.00 0.00 99.95 19:48:01 all 0.15 0.00 0.03 0.00 0.00 99.82 19:48:01 0 0.03 0.00 0.02 0.00 0.00 99.95 19:48:01 1 0.05 0.00 0.02 0.00 0.00 99.93 19:48:01 2 0.47 0.00 0.03 0.00 0.00 99.50 19:48:01 3 0.05 0.00 0.05 0.02 0.00 99.88 19:49:01 all 0.14 0.00 0.02 0.00 0.00 99.83 19:49:01 0 0.03 0.00 0.02 0.00 0.00 99.95 19:49:01 1 0.02 0.00 0.02 0.00 0.00 99.97 19:49:01 2 0.50 0.00 0.03 0.00 0.00 99.47 19:49:01 3 0.03 0.00 0.03 0.00 0.00 99.93 Average: all 4.05 0.00 1.49 0.80 0.00 93.66 Average: 0 3.73 0.00 1.74 0.74 0.00 93.79 Average: 1 3.85 0.00 1.55 1.37 0.00 93.23 Average: 2 3.65 0.00 1.44 0.56 0.00 94.34 Average: 3 4.96 0.00 1.23 0.53 0.00 93.27