---> uname -a: Linux ee57e21c488e 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% /w/workspace/ndry_app-functions-sdk-go_PR-393 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-393@tmp /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 675 126 0 1035 1056 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) 06/23/20 _x86_64_ (4 CPU) 18:18:04 LINUX RESTART 18:19:01 tps rtps wtps bread/s bwrtn/s 18:20:01 29.33 10.20 19.12 4422.24 3228.03 18:21:01 1.71 0.00 1.71 0.00 34.33 18:22:01 0.38 0.00 0.38 0.00 5.73 18:23:01 0.35 0.00 0.35 0.00 5.53 18:24:01 0.22 0.00 0.22 0.00 2.90 18:25:01 0.30 0.02 0.28 0.13 3.81 18:26:01 0.32 0.00 0.32 0.00 3.63 Average: 4.66 1.46 3.20 631.98 469.29 18:19:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:20:01 185088 1696468 90.16 2620 1106660 1129360 38.54 452592 1083336 20 18:21:01 193568 1687988 89.71 2620 1106728 1067072 36.42 449720 1079372 16 18:22:01 189424 1692132 89.93 2620 1106684 1067384 36.43 454856 1077816 12 18:23:01 184876 1696680 90.17 2620 1106684 1067312 36.43 460344 1077112 12 18:24:01 180368 1701188 90.41 2620 1106688 1067336 36.43 475716 1066648 8 18:25:01 181576 1699980 90.35 2620 1106704 1067072 36.42 480768 1060368 12 18:26:01 181504 1700052 90.35 2620 1106704 1067132 36.42 472092 1069240 8 Average: 185201 1696355 90.16 2620 1106693 1076095 36.73 463727 1073413 13 18:19:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:20:01 eth0 253.15 223.75 658.68 354.88 0.00 0.00 0.00 18:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:20:01 docker0 131.21 95.86 10.25 302.85 0.00 0.00 0.00 18:21:01 eth0 2.45 0.08 0.23 0.04 0.00 0.00 0.00 18:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:22:01 eth0 3.16 1.10 0.98 0.61 0.00 0.00 0.00 18:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:23:01 eth0 3.25 0.77 0.96 0.59 0.00 0.00 0.00 18:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:24:01 eth0 1.55 0.90 0.93 0.62 0.00 0.00 0.00 18:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:25:01 eth0 0.15 0.08 0.01 0.04 0.00 0.00 0.00 18:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:26:01 eth0 0.35 0.27 0.13 0.02 0.00 0.00 0.00 18:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 37.73 32.43 94.59 50.99 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 18.75 13.70 1.46 43.28 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) 06/23/20 _x86_64_ (4 CPU) 18:18:04 LINUX RESTART 18:19:01 CPU %user %nice %system %iowait %steal %idle 18:20:01 all 4.97 0.00 1.91 0.69 1.53 90.91 18:20:01 0 4.62 0.00 2.25 0.10 1.55 91.48 18:20:01 1 4.57 0.00 1.53 1.65 1.65 90.60 18:20:01 2 5.94 0.00 2.28 0.44 1.52 89.82 18:20:01 3 4.73 0.00 1.56 0.57 1.41 91.73 18:21:01 all 0.12 0.00 0.07 0.00 0.30 99.51 18:21:01 0 0.03 0.00 0.07 0.00 0.33 99.57 18:21:01 1 0.02 0.00 0.10 0.00 0.30 99.58 18:21:01 2 0.37 0.00 0.07 0.00 0.38 99.19 18:21:01 3 0.03 0.00 0.07 0.00 0.13 99.77 18:22:01 all 0.13 0.00 0.03 0.00 0.32 99.53 18:22:01 0 0.03 0.00 0.03 0.00 0.48 99.45 18:22:01 1 0.30 0.00 0.03 0.00 0.40 99.27 18:22:01 2 0.15 0.00 0.03 0.00 0.20 99.62 18:22:01 3 0.03 0.00 0.03 0.00 0.18 99.75 18:23:01 all 0.14 0.00 0.04 0.00 0.12 99.70 18:23:01 0 0.07 0.00 0.07 0.00 0.22 99.65 18:23:01 1 0.38 0.00 0.02 0.00 0.10 99.50 18:23:01 2 0.03 0.00 0.03 0.00 0.12 99.82 18:23:01 3 0.08 0.00 0.03 0.00 0.08 99.80 18:24:01 all 0.17 0.00 0.06 0.00 0.02 99.75 18:24:01 0 0.05 0.00 0.12 0.00 0.02 99.82 18:24:01 1 0.20 0.00 0.03 0.00 0.00 99.77 18:24:01 2 0.38 0.00 0.03 0.00 0.03 99.55 18:24:01 3 0.05 0.00 0.05 0.00 0.00 99.90 18:25:01 all 0.15 0.00 0.05 0.00 0.02 99.78 18:25:01 0 0.02 0.00 0.07 0.00 0.03 99.88 18:25:01 1 0.37 0.00 0.03 0.00 0.03 99.57 18:25:01 2 0.17 0.00 0.08 0.00 0.00 99.75 18:25:01 3 0.03 0.00 0.03 0.00 0.02 99.92 18:26:01 all 0.16 0.00 0.03 0.00 0.00 99.80 18:26:01 0 0.03 0.00 0.03 0.00 0.00 99.93 18:26:01 1 0.52 0.00 0.02 0.00 0.00 99.47 18:26:01 2 0.05 0.00 0.02 0.00 0.02 99.92 18:26:01 3 0.05 0.00 0.05 0.00 0.02 99.88 Average: all 0.83 0.00 0.31 0.10 0.33 98.43 Average: 0 0.69 0.00 0.37 0.01 0.37 98.55 Average: 1 0.91 0.00 0.25 0.24 0.35 98.25 Average: 2 1.01 0.00 0.36 0.06 0.32 98.24 Average: 3 0.71 0.00 0.26 0.08 0.26 98.68