---> uname -a: Linux 50d95113030f 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-407 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-407@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 665 119 0 1053 1066 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) 07/20/20 _x86_64_ (4 CPU) 23:44:42 LINUX RESTART 23:45:01 tps rtps wtps bread/s bwrtn/s 23:46:01 141.20 47.28 93.93 7793.78 42030.02 23:47:01 2.50 0.00 2.50 0.00 56.27 23:48:01 0.38 0.00 0.38 0.00 5.06 23:49:01 0.28 0.00 0.28 0.00 3.33 23:50:02 0.20 0.00 0.20 0.00 2.83 23:51:01 0.36 0.00 0.36 0.00 5.71 23:52:01 0.27 0.02 0.25 0.13 2.43 Average: 20.80 6.78 14.03 1116.84 6033.58 23:45:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:46:01 223312 1658244 88.13 2620 1073404 1113596 38.01 439352 1059784 120 23:47:01 225024 1656532 88.04 2620 1073592 1106796 37.77 439964 1057864 20 23:48:01 225800 1655756 88.00 2620 1073600 1106772 37.77 439996 1057716 12 23:49:01 228668 1652888 87.85 2620 1073600 1075848 36.72 439368 1056032 20 23:50:02 227004 1654552 87.94 2620 1073608 1075936 36.72 446456 1050304 20 23:51:01 226716 1654840 87.95 2620 1073612 1075972 36.72 447232 1050300 8 23:52:01 227708 1653848 87.90 2620 1073616 1075768 36.71 464136 1032424 8 Average: 226319 1655237 87.97 2620 1073576 1090098 37.20 445215 1052061 30 23:45:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:46:01 eth0 746.40 492.68 1664.09 414.71 0.00 0.00 0.00 23:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:46:01 docker0 110.40 94.13 9.58 303.22 0.00 0.00 0.00 23:47:01 eth0 2.36 0.77 1.02 0.38 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 2.55 0.67 0.68 0.38 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 2.13 0.63 0.63 0.43 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 23:50:02 eth0 0.75 0.40 0.30 0.21 0.00 0.00 0.00 23:50:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:51:01 eth0 0.66 0.46 0.41 0.30 0.00 0.00 0.00 23:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:52:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 23:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 108.18 71.03 238.89 59.67 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 15.82 13.49 1.37 43.45 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) 07/20/20 _x86_64_ (4 CPU) 23:44:42 LINUX RESTART 23:45:01 CPU %user %nice %system %iowait %steal %idle 23:46:01 all 17.67 0.00 7.62 10.41 0.03 64.27 23:46:01 0 17.65 0.00 7.80 10.27 0.02 64.26 23:46:01 1 21.71 0.00 6.57 13.76 0.03 57.92 23:46:01 2 18.06 0.00 8.33 9.74 0.03 63.83 23:46:01 3 13.25 0.00 7.74 7.84 0.05 71.11 23:47:01 all 0.15 0.00 0.05 0.00 0.00 99.80 23:47:01 0 0.03 0.00 0.03 0.00 0.00 99.93 23:47:01 1 0.05 0.00 0.07 0.00 0.00 99.88 23:47:01 2 0.43 0.00 0.05 0.00 0.00 99.52 23:47:01 3 0.07 0.00 0.07 0.00 0.00 99.87 23:48:01 all 0.16 0.00 0.03 0.00 0.00 99.80 23:48:01 0 0.03 0.00 0.03 0.00 0.00 99.93 23:48:01 1 0.08 0.00 0.08 0.00 0.00 99.83 23:48:01 2 0.50 0.00 0.03 0.00 0.00 99.47 23:48:01 3 0.03 0.00 0.02 0.00 0.00 99.95 23:49:01 all 0.16 0.00 0.03 0.00 0.00 99.81 23:49:01 0 0.02 0.00 0.03 0.00 0.00 99.95 23:49:01 1 0.02 0.00 0.03 0.00 0.00 99.95 23:49:01 2 0.55 0.00 0.02 0.00 0.02 99.42 23:49:01 3 0.07 0.00 0.03 0.00 0.00 99.90 23:50:02 all 0.16 0.00 0.03 0.00 0.00 99.81 23:50:02 0 0.02 0.00 0.02 0.00 0.02 99.95 23:50:02 1 0.08 0.00 0.05 0.00 0.00 99.87 23:50:02 2 0.52 0.00 0.03 0.00 0.00 99.45 23:50:02 3 0.02 0.00 0.02 0.00 0.02 99.95 23:51:01 all 0.14 0.00 0.06 0.00 0.00 99.80 23:51:01 0 0.03 0.00 0.02 0.00 0.00 99.95 23:51:01 1 0.27 0.00 0.05 0.00 0.00 99.68 23:51:01 2 0.25 0.00 0.15 0.00 0.00 99.59 23:51:01 3 0.02 0.00 0.02 0.00 0.00 99.97 23:52:01 all 0.11 0.00 0.04 0.00 0.00 99.85 23:52:01 0 0.00 0.00 0.00 0.00 0.00 100.00 23:52:01 1 0.37 0.00 0.03 0.00 0.00 99.60 23:52:01 2 0.03 0.00 0.12 0.00 0.00 99.85 23:52:01 3 0.03 0.00 0.02 0.00 0.00 99.95 Average: all 2.63 0.00 1.11 1.48 0.01 94.77 Average: 0 2.52 0.00 1.12 1.45 0.00 94.90 Average: 1 3.21 0.00 0.98 1.96 0.00 93.85 Average: 2 2.89 0.00 1.24 1.38 0.01 94.47 Average: 3 1.91 0.00 1.12 1.11 0.01 95.85