---> uname -a: Linux 25a5a61e30d2 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-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 683 131 0 1022 1048 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) 21:43:12 LINUX RESTART 21:44:01 tps rtps wtps bread/s bwrtn/s 21:45:01 32.61 10.97 21.64 4530.09 3570.46 21:46:01 1.42 0.00 1.42 0.00 25.81 21:47:01 0.27 0.00 0.27 0.00 3.34 21:48:01 0.22 0.00 0.22 0.00 2.17 21:49:01 0.23 0.00 0.23 0.00 3.40 Average: 6.97 2.20 4.77 909.50 723.79 21:44:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:45:01 195796 1685760 89.59 2620 1082468 1129200 38.54 453664 1073032 20 21:46:01 200528 1681028 89.34 2620 1082472 1079272 36.83 454812 1068476 8 21:47:01 199516 1682040 89.40 2620 1082480 1079500 36.84 457216 1067328 20 21:48:01 197448 1684108 89.51 2620 1082480 1079548 36.84 459152 1066776 8 21:49:01 199044 1682512 89.42 2620 1082484 1079380 36.84 464500 1060684 8 Average: 198466 1683090 89.45 2620 1082477 1089380 37.18 457869 1067259 13 21:44:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:45:01 eth0 339.36 265.85 769.64 360.50 0.00 0.00 0.00 21:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:45:01 docker0 122.30 108.29 10.62 304.95 0.00 0.00 0.00 21:46:01 eth0 0.62 0.07 0.06 0.01 0.00 0.00 0.00 21:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:47:01 eth0 0.98 0.47 0.32 0.45 0.00 0.00 0.00 21:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:48:01 eth0 0.48 0.28 0.27 0.16 0.00 0.00 0.00 21:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:49:01 eth0 0.25 0.18 0.14 0.10 0.00 0.00 0.00 21:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 68.60 53.57 154.68 72.52 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 24.55 21.74 2.13 61.22 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) 07/16/20 _x86_64_ (4 CPU) 21:43:12 LINUX RESTART 21:44:01 CPU %user %nice %system %iowait %steal %idle 21:45:01 all 5.28 0.00 2.22 0.67 0.29 91.55 21:45:01 0 4.29 0.00 2.55 0.55 0.27 92.34 21:45:01 1 3.70 0.00 2.14 1.31 0.39 92.46 21:45:01 2 8.18 0.00 2.33 0.52 0.15 88.82 21:45:01 3 4.94 0.00 1.86 0.32 0.34 92.54 21:46:01 all 0.04 0.00 0.04 0.00 0.00 99.91 21:46:01 0 0.02 0.00 0.03 0.00 0.00 99.95 21:46:01 1 0.03 0.00 0.03 0.00 0.02 99.92 21:46:01 2 0.05 0.00 0.03 0.00 0.00 99.92 21:46:01 3 0.08 0.00 0.07 0.00 0.00 99.85 21:47:01 all 0.14 0.00 0.03 0.00 0.00 99.83 21:47:01 0 0.02 0.00 0.02 0.00 0.00 99.97 21:47:01 1 0.03 0.00 0.02 0.00 0.00 99.95 21:47:01 2 0.39 0.00 0.00 0.00 0.02 99.59 21:47:01 3 0.10 0.00 0.07 0.00 0.00 99.83 21:48:01 all 0.15 0.00 0.03 0.00 0.01 99.82 21:48:01 0 0.02 0.00 0.02 0.00 0.00 99.97 21:48:01 1 0.50 0.00 0.03 0.00 0.00 99.47 21:48:01 2 0.02 0.00 0.03 0.00 0.02 99.93 21:48:01 3 0.03 0.00 0.05 0.00 0.02 99.90 21:49:01 all 0.15 0.00 0.05 0.00 0.04 99.76 21:49:01 0 0.03 0.00 0.03 0.00 0.03 99.90 21:49:01 1 0.45 0.00 0.03 0.00 0.03 99.48 21:49:01 2 0.07 0.00 0.07 0.00 0.08 99.78 21:49:01 3 0.05 0.00 0.05 0.00 0.03 99.87 Average: all 1.15 0.00 0.47 0.13 0.07 98.18 Average: 0 0.87 0.00 0.53 0.11 0.06 98.43 Average: 1 0.94 0.00 0.45 0.26 0.09 98.26 Average: 2 1.74 0.00 0.49 0.10 0.05 97.61 Average: 3 1.04 0.00 0.42 0.06 0.08 98.40