---> uname -a: Linux de0bd0087d53 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-447 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-447@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 669 118 0 1048 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) 08/17/20 _x86_64_ (4 CPU) 08:47:32 LINUX RESTART 08:48:02 tps rtps wtps bread/s bwrtn/s 08:49:01 87.21 36.89 50.31 7649.48 6778.91 08:50:01 1.70 0.00 1.70 0.00 32.69 08:51:01 0.55 0.00 0.55 0.00 8.11 08:52:01 0.27 0.00 0.27 0.00 4.75 08:53:01 0.30 0.00 0.30 0.00 5.03 08:54:01 0.53 0.00 0.53 0.00 6.21 08:55:01 172.38 114.03 58.35 8381.42 19906.96 Average: 37.46 21.53 15.93 2278.42 3814.83 08:48:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:49:01 243728 1637828 87.05 2620 1048948 1108620 37.84 434756 1045572 120 08:50:01 248512 1633044 86.79 2620 1048880 1077148 36.76 434908 1041468 8 08:51:01 247508 1634048 86.85 2620 1048888 1077328 36.77 436020 1041460 20 08:52:01 246104 1635452 86.92 2620 1048888 1077440 36.77 437992 1040828 12 08:53:01 247648 1633908 86.84 2620 1048892 1077212 36.76 447904 1029660 8 08:54:01 245920 1635636 86.93 2620 1048900 1077308 36.77 450400 1028616 8 08:55:01 122936 1758620 93.47 2620 1071432 1232620 42.07 531912 1022428 300 Average: 228908 1652648 87.83 2620 1052118 1103954 37.68 453413 1035719 68 08:48:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 08:49:01 eth0 716.75 523.56 1690.08 426.14 0.00 0.00 0.00 08:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:49:01 docker0 113.88 91.23 9.73 307.14 0.00 0.00 0.00 08:50:01 eth0 0.63 0.12 0.05 0.02 0.00 0.00 0.00 08:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:51:01 eth0 0.97 0.50 0.33 0.21 0.00 0.00 0.00 08:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:52:01 eth0 0.68 0.43 0.36 0.21 0.00 0.00 0.00 08:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:53:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 08:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:54:01 eth0 0.32 0.27 0.14 0.08 0.00 0.00 0.00 08:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:55:01 veth4673c97 0.22 0.27 0.41 0.10 0.00 0.00 0.00 08:55:01 eth0 841.35 599.18 4044.78 434.99 0.00 0.00 0.00 08:55:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 08:55:01 docker0 112.24 89.91 9.97 302.22 0.00 0.00 0.00 Average: veth4673c97 0.03 0.04 0.06 0.01 0.00 0.00 0.00 Average: eth0 120.52 85.83 579.38 62.31 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 16.08 12.88 1.43 43.29 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) 08/17/20 _x86_64_ (4 CPU) 08:47:32 LINUX RESTART 08:48:02 CPU %user %nice %system %iowait %steal %idle 08:49:01 all 15.90 0.00 4.98 2.87 0.03 76.22 08:49:01 0 15.03 0.00 5.87 1.84 0.03 77.22 08:49:01 1 17.36 0.00 3.69 1.99 0.05 76.91 08:49:01 2 17.46 0.00 5.42 6.69 0.02 70.41 08:49:01 3 13.72 0.00 4.97 0.94 0.02 80.36 08:50:01 all 0.17 0.00 0.03 0.00 0.00 99.80 08:50:01 0 0.03 0.00 0.05 0.00 0.00 99.92 08:50:01 1 0.53 0.00 0.02 0.00 0.00 99.45 08:50:01 2 0.05 0.00 0.03 0.00 0.00 99.92 08:50:01 3 0.03 0.00 0.02 0.00 0.00 99.95 08:51:01 all 0.11 0.00 0.03 0.00 0.00 99.86 08:51:01 0 0.05 0.00 0.03 0.00 0.00 99.92 08:51:01 1 0.25 0.00 0.02 0.00 0.00 99.73 08:51:01 2 0.12 0.00 0.05 0.00 0.00 99.83 08:51:01 3 0.07 0.00 0.03 0.00 0.00 99.90 08:52:01 all 0.15 0.00 0.02 0.00 0.00 99.83 08:52:01 0 0.02 0.00 0.02 0.00 0.00 99.97 08:52:01 1 0.53 0.00 0.02 0.00 0.00 99.45 08:52:01 2 0.00 0.00 0.00 0.00 0.00 100.00 08:52:01 3 0.05 0.00 0.05 0.00 0.00 99.90 08:53:01 all 0.15 0.00 0.03 0.00 0.00 99.82 08:53:01 0 0.02 0.00 0.05 0.00 0.00 99.93 08:53:01 1 0.55 0.00 0.02 0.00 0.00 99.43 08:53:01 2 0.02 0.00 0.02 0.00 0.00 99.97 08:53:01 3 0.03 0.00 0.03 0.00 0.00 99.93 08:54:01 all 0.15 0.00 0.08 0.00 0.00 99.77 08:54:01 0 0.00 0.00 0.02 0.00 0.00 99.98 08:54:01 1 0.03 0.00 0.03 0.00 0.00 99.93 08:54:01 2 0.53 0.00 0.03 0.00 0.00 99.43 08:54:01 3 0.03 0.00 0.23 0.00 0.00 99.73 08:55:01 all 5.96 0.00 3.11 2.12 0.01 88.80 08:55:01 0 4.73 0.00 2.76 0.85 0.00 91.66 08:55:01 1 6.66 0.00 3.23 2.65 0.02 87.44 08:55:01 2 6.26 0.00 3.38 4.20 0.02 86.13 08:55:01 3 6.16 0.00 3.07 0.76 0.00 90.02 Average: all 3.18 0.00 1.17 0.70 0.01 94.94 Average: 0 2.79 0.00 1.24 0.38 0.00 95.58 Average: 1 3.66 0.00 0.99 0.66 0.01 94.68 Average: 2 3.44 0.00 1.26 1.54 0.00 93.75 Average: 3 2.83 0.00 1.19 0.24 0.00 95.74