---> uname -a: Linux 1bbabf1e9c28 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 666 110 0 1060 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) 07/22/20 _x86_64_ (4 CPU) 23:44:45 LINUX RESTART 23:46:03 tps rtps wtps bread/s bwrtn/s 23:47:01 2.62 0.00 2.62 0.00 57.22 23:48:01 0.38 0.00 0.38 0.00 6.06 23:49:01 0.25 0.00 0.25 0.00 2.71 23:50:01 0.18 0.00 0.18 0.00 2.02 23:51:01 155.01 98.45 56.56 7156.98 19959.19 Average: 31.89 19.83 12.06 1441.33 4032.85 23:46:03 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:47:01 192048 1689508 89.79 2620 1111408 1072528 36.60 452388 1079680 20 23:48:01 188936 1692620 89.96 2620 1111412 1072732 36.61 455712 1079400 8 23:49:01 185848 1695708 90.12 2620 1111420 1072528 36.60 458720 1079392 8 23:50:01 183704 1697852 90.24 2620 1111420 1072708 36.61 475076 1065216 12 23:51:01 99540 1782016 94.71 2620 1118200 1302628 44.46 494192 1088844 8 Average: 170015 1711541 90.96 2620 1112772 1118625 38.18 467218 1078506 11 23:46:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:47:01 eth0 0.67 0.14 0.06 0.04 0.00 0.00 0.00 23:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:48:01 eth0 0.72 0.40 0.29 0.21 0.00 0.00 0.00 23:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:49:01 eth0 0.68 0.08 0.06 0.01 0.00 0.00 0.00 23:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:50:01 eth0 0.37 0.35 0.26 0.20 0.00 0.00 0.00 23:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:51:01 veth9ee8f36 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:51:01 eth0 959.34 644.14 4043.48 435.74 0.00 0.00 0.00 23:51:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 23:51:01 veth8ee13df 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth9ee8f36 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 193.20 129.72 814.31 87.75 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: veth8ee13df 0.00 0.00 0.00 0.00 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) 07/22/20 _x86_64_ (4 CPU) 23:44:45 LINUX RESTART 23:46:03 CPU %user %nice %system %iowait %steal %idle 23:47:01 all 0.16 0.00 0.03 0.00 0.00 99.80 23:47:01 0 0.03 0.00 0.02 0.00 0.00 99.95 23:47:01 1 0.03 0.00 0.03 0.00 0.00 99.93 23:47:01 2 0.53 0.00 0.03 0.00 0.00 99.43 23:47:01 3 0.05 0.00 0.03 0.00 0.00 99.91 23:48:01 all 0.15 0.00 0.02 0.00 0.00 99.82 23:48:01 0 0.03 0.00 0.00 0.00 0.00 99.97 23:48:01 1 0.05 0.00 0.03 0.00 0.00 99.92 23:48:01 2 0.50 0.00 0.02 0.00 0.00 99.48 23:48:01 3 0.05 0.00 0.03 0.00 0.00 99.92 23:49:01 all 0.13 0.00 0.02 0.00 0.00 99.85 23:49:01 0 0.02 0.00 0.02 0.00 0.00 99.97 23:49:01 1 0.03 0.00 0.02 0.00 0.00 99.95 23:49:01 2 0.45 0.00 0.03 0.00 0.00 99.52 23:49:01 3 0.02 0.00 0.03 0.00 0.00 99.95 23:50:01 all 0.16 0.00 0.03 0.00 0.00 99.81 23:50:01 0 0.02 0.00 0.03 0.00 0.00 99.95 23:50:01 1 0.03 0.00 0.02 0.00 0.00 99.95 23:50:01 2 0.52 0.00 0.05 0.00 0.00 99.43 23:50:01 3 0.05 0.00 0.05 0.00 0.00 99.90 23:51:01 all 4.96 0.00 2.70 1.99 0.01 90.34 23:51:01 0 4.80 0.00 2.83 2.79 0.02 89.56 23:51:01 1 5.01 0.00 2.38 2.24 0.00 90.37 23:51:01 2 4.76 0.00 2.95 1.94 0.02 90.34 23:51:01 3 5.28 0.00 2.61 0.97 0.02 91.12 Average: all 1.12 0.00 0.56 0.40 0.00 97.92 Average: 0 0.98 0.00 0.58 0.56 0.00 97.87 Average: 1 1.03 0.00 0.50 0.45 0.00 98.02 Average: 2 1.35 0.00 0.62 0.39 0.00 97.64 Average: 3 1.09 0.00 0.55 0.19 0.00 98.16