---> uname -a: Linux 748c9d67aa6d 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 7.2G 42.8G 14% / 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 7.2G 42.8G 14% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hostname /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hosts /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/_app-service-configurable_PR-105 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/_app-service-configurable_PR-105@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 641 114 0 1080 1089 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) 08/31/20 _x86_64_ (4 CPU) 21:15:56 LINUX RESTART 21:17:01 tps rtps wtps bread/s bwrtn/s 21:18:01 26.76 10.70 16.06 4398.14 2119.24 21:19:01 0.35 0.00 0.35 0.00 4.86 21:20:01 0.40 0.00 0.40 0.00 6.79 21:21:02 0.23 0.00 0.23 0.00 2.70 21:22:01 0.25 0.00 0.25 0.00 3.23 21:23:01 0.33 0.02 0.32 0.13 3.53 21:24:01 0.28 0.00 0.28 0.00 2.71 21:25:01 0.42 0.00 0.42 0.00 4.83 Average: 3.64 1.34 2.29 551.03 269.09 21:17:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 21:18:01 178456 1703100 90.52 2620 1136744 1112972 37.98 424224 1119368 20 21:19:01 184372 1697184 90.20 2620 1136748 1072368 36.60 423908 1115380 20 21:20:01 183556 1698000 90.24 2620 1136756 1072488 36.60 424400 1115384 8 21:21:02 181856 1699700 90.33 2620 1136756 1072548 36.60 430968 1110792 12 21:22:01 182740 1698816 90.29 2620 1136820 1072392 36.60 430344 1110708 32 21:23:01 182784 1698772 90.29 2620 1136772 1072296 36.60 445532 1095140 16 21:24:01 182008 1699548 90.33 2620 1136772 1072476 36.60 441476 1100140 16 21:25:01 183032 1698524 90.27 2620 1136780 1072296 36.60 440640 1100140 8 Average: 182351 1699206 90.31 2620 1136769 1077480 36.77 432687 1108382 17 21:17:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 21:18:01 eth0 36.87 27.08 331.62 27.75 0.00 0.00 0.00 21:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:18:01 docker0 1.30 1.18 0.25 2.85 0.00 0.00 0.00 21:19:01 eth0 1.78 0.88 1.99 0.06 0.00 0.00 0.00 21:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:01 eth0 0.85 0.33 0.31 0.20 0.00 0.00 0.00 21:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:21:02 eth0 0.38 0.35 0.26 0.20 0.00 0.00 0.00 21:21:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:21:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:22:01 eth0 0.68 0.41 0.41 0.27 0.00 0.00 0.00 21:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:23:01 eth0 0.27 0.07 0.01 0.01 0.00 0.00 0.00 21:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:24:01 eth0 0.97 0.22 0.31 0.19 0.00 0.00 0.00 21:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:25:01 eth0 0.80 0.08 0.08 0.01 0.00 0.00 0.00 21:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 5.33 3.68 41.97 3.59 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.16 0.15 0.03 0.36 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) 08/31/20 _x86_64_ (4 CPU) 21:15:56 LINUX RESTART 21:17:01 CPU %user %nice %system %iowait %steal %idle 21:18:01 all 2.24 0.00 1.67 0.51 3.31 92.26 21:18:01 0 2.70 0.00 1.68 0.48 3.47 91.67 21:18:01 1 1.81 0.00 1.64 0.25 3.37 92.93 21:18:01 2 2.65 0.00 1.95 0.97 3.03 91.40 21:18:01 3 1.79 0.00 1.42 0.33 3.40 93.06 21:19:01 all 0.15 0.00 0.05 0.00 0.10 99.70 21:19:01 0 0.45 0.00 0.05 0.00 0.17 99.33 21:19:01 1 0.08 0.00 0.05 0.00 0.10 99.77 21:19:01 2 0.07 0.00 0.05 0.00 0.12 99.77 21:19:01 3 0.05 0.00 0.03 0.00 0.02 99.90 21:20:01 all 0.12 0.00 0.03 0.00 0.20 99.65 21:20:01 0 0.32 0.00 0.03 0.00 0.12 99.53 21:20:01 1 0.05 0.00 0.02 0.00 0.22 99.72 21:20:01 2 0.07 0.00 0.05 0.00 0.37 99.52 21:20:01 3 0.03 0.00 0.02 0.00 0.10 99.85 21:21:02 all 0.14 0.00 0.06 0.00 0.13 99.67 21:21:02 0 0.43 0.00 0.05 0.00 0.08 99.43 21:21:02 1 0.03 0.00 0.13 0.00 0.05 99.78 21:21:02 2 0.07 0.00 0.03 0.00 0.32 99.58 21:21:02 3 0.02 0.00 0.03 0.00 0.07 99.88 21:22:01 all 0.12 0.00 0.09 0.00 0.09 99.70 21:22:01 0 0.29 0.00 0.05 0.00 0.02 99.64 21:22:01 1 0.08 0.00 0.22 0.00 0.14 99.56 21:22:01 2 0.07 0.00 0.05 0.00 0.17 99.71 21:22:01 3 0.03 0.00 0.03 0.00 0.03 99.90 21:23:01 all 0.11 0.00 0.05 0.00 0.05 99.79 21:23:01 0 0.35 0.00 0.03 0.00 0.07 99.55 21:23:01 1 0.02 0.00 0.12 0.00 0.02 99.85 21:23:01 2 0.08 0.00 0.07 0.00 0.08 99.77 21:23:01 3 0.02 0.00 0.02 0.00 0.02 99.95 21:24:01 all 0.12 0.00 0.03 0.00 0.04 99.81 21:24:01 0 0.35 0.00 0.02 0.00 0.03 99.60 21:24:01 1 0.05 0.00 0.03 0.00 0.07 99.85 21:24:01 2 0.05 0.00 0.03 0.00 0.05 99.87 21:24:01 3 0.02 0.00 0.03 0.00 0.00 99.95 21:25:01 all 0.09 0.00 0.02 0.00 0.05 99.84 21:25:01 0 0.30 0.00 0.02 0.00 0.02 99.67 21:25:01 1 0.03 0.00 0.02 0.00 0.08 99.87 21:25:01 2 0.03 0.00 0.03 0.00 0.03 99.90 21:25:01 3 0.00 0.00 0.02 0.00 0.02 99.97 Average: all 0.39 0.00 0.25 0.06 0.50 98.80 Average: 0 0.65 0.00 0.24 0.06 0.50 98.55 Average: 1 0.27 0.00 0.28 0.03 0.51 98.91 Average: 2 0.39 0.00 0.28 0.12 0.52 98.69 Average: 3 0.25 0.00 0.20 0.04 0.46 99.05