---> uname -a: Linux c7137d8fe2a7 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_master /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/_app-service-configurable_master@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 653 128 0 1055 1077 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) 07/09/20 _x86_64_ (4 CPU) 23:43:37 LINUX RESTART 23:44:02 tps rtps wtps bread/s bwrtn/s 23:45:02 104.88 40.83 64.04 7568.78 15470.64 23:46:01 1.93 0.00 1.93 0.00 39.57 23:47:01 0.32 0.00 0.32 0.00 5.01 23:48:01 0.28 0.00 0.28 0.00 3.35 23:49:01 0.28 0.00 0.28 0.00 4.21 23:50:01 0.33 0.00 0.33 0.00 5.10 23:51:01 0.30 0.02 0.28 0.13 2.85 23:52:01 0.17 0.00 0.17 0.00 1.50 23:53:01 0.28 0.03 0.25 0.67 3.95 23:54:01 0.40 0.05 0.35 4.26 5.91 23:55:01 163.64 108.08 55.56 8163.17 19895.57 Average: 24.72 13.53 11.19 1423.89 3208.71 23:44:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:45:02 160968 1720588 91.44 2620 1150812 1114288 38.03 429264 1130848 120 23:46:01 166208 1715348 91.17 2620 1151000 1079744 36.85 428672 1127144 20 23:47:01 156476 1725080 91.68 2620 1151008 1080160 36.86 438416 1127132 12 23:48:01 157624 1723932 91.62 2620 1151008 1080004 36.86 437692 1127132 12 23:49:01 164812 1716744 91.24 2620 1151012 1080004 36.86 438908 1118304 8 23:50:01 164500 1717056 91.26 2620 1151020 1080088 36.86 439492 1118304 8 23:51:01 165388 1716168 91.21 2620 1151024 1080132 36.86 439044 1118304 8 23:52:01 165404 1716152 91.21 2620 1151032 1080132 36.86 430188 1127168 20 23:53:01 164332 1717224 91.27 2620 1151224 1082604 36.95 430832 1127168 8 23:54:01 165156 1716400 91.22 2620 1151220 1080132 36.86 429052 1128388 8 23:55:01 137416 1744140 92.70 2620 1077832 1249644 42.65 508164 1033200 292 Average: 160753 1720803 91.46 2620 1144381 1098812 37.50 440884 1116645 47 23:44:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:45:02 eth0 474.35 284.32 1053.16 89.73 0.00 0.00 0.00 23:45:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:45:02 docker0 1.61 1.37 0.41 2.89 0.00 0.00 0.00 23:46:01 eth0 0.78 0.08 0.06 0.01 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 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:47:01 eth0 7.48 3.61 6.15 0.57 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 0.10 0.08 0.01 0.04 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 0.08 0.08 0.01 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 0.32 0.25 0.14 0.08 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 eth0 0.08 0.08 0.01 0.01 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 0.08 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 23:53:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 23:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:54:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 23:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:55:01 vetha7d2644 0.22 0.28 0.40 0.10 0.00 0.00 0.00 23:55:01 eth0 606.48 370.75 3423.75 103.84 0.00 0.00 0.00 23:55:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 23:55:01 docker0 1.80 1.53 0.80 2.93 0.00 0.00 0.00 Average: vetha7d2644 0.02 0.03 0.04 0.01 0.00 0.00 0.00 Average: eth0 55.31 33.81 312.26 9.47 0.00 0.00 0.00 Average: lo 0.01 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.16 0.14 0.07 0.27 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) 07/09/20 _x86_64_ (4 CPU) 23:43:37 LINUX RESTART 23:44:02 CPU %user %nice %system %iowait %steal %idle 23:45:02 all 13.55 0.00 5.54 5.23 0.02 75.66 23:45:02 0 12.36 0.00 6.06 3.99 0.02 77.57 23:45:02 1 13.04 0.00 5.84 4.06 0.02 77.05 23:45:02 2 16.50 0.00 4.58 5.54 0.02 73.36 23:45:02 3 12.29 0.00 5.68 7.31 0.03 74.69 23:46:01 all 0.17 0.00 0.05 0.00 0.00 99.79 23:46:01 0 0.29 0.00 0.05 0.00 0.00 99.66 23:46:01 1 0.02 0.00 0.03 0.00 0.00 99.95 23:46:01 2 0.03 0.00 0.03 0.00 0.00 99.93 23:46:01 3 0.32 0.00 0.07 0.00 0.00 99.61 23:47:01 all 0.40 0.00 0.06 0.00 0.00 99.54 23:47:01 0 0.08 0.00 0.07 0.00 0.00 99.85 23:47:01 1 0.07 0.00 0.03 0.00 0.00 99.90 23:47:01 2 0.95 0.00 0.07 0.00 0.00 98.98 23:47:01 3 0.50 0.00 0.05 0.00 0.00 99.45 23:48:01 all 0.15 0.00 0.03 0.00 0.00 99.82 23:48:01 0 0.02 0.00 0.02 0.00 0.00 99.97 23:48:01 1 0.03 0.00 0.03 0.00 0.02 99.92 23:48:01 2 0.05 0.00 0.03 0.00 0.00 99.92 23:48:01 3 0.52 0.00 0.03 0.00 0.02 99.43 23:49:01 all 0.15 0.00 0.04 0.00 0.00 99.81 23:49:01 0 0.02 0.00 0.07 0.00 0.00 99.92 23:49:01 1 0.03 0.00 0.03 0.00 0.00 99.93 23:49:01 2 0.03 0.00 0.05 0.00 0.00 99.92 23:49:01 3 0.52 0.00 0.02 0.00 0.00 99.47 23:50:01 all 0.16 0.00 0.04 0.00 0.00 99.80 23:50:01 0 0.00 0.00 0.08 0.00 0.00 99.92 23:50:01 1 0.05 0.00 0.03 0.00 0.00 99.92 23:50:01 2 0.03 0.00 0.03 0.00 0.00 99.93 23:50:01 3 0.55 0.00 0.03 0.00 0.00 99.42 23:51:01 all 0.16 0.00 0.03 0.00 0.00 99.81 23:51:01 0 0.03 0.00 0.02 0.00 0.00 99.95 23:51:01 1 0.03 0.00 0.03 0.00 0.00 99.93 23:51:01 2 0.02 0.00 0.02 0.00 0.00 99.97 23:51:01 3 0.53 0.00 0.03 0.00 0.00 99.43 23:52:01 all 0.15 0.00 0.03 0.00 0.00 99.82 23:52:01 0 0.02 0.00 0.02 0.00 0.00 99.97 23:52:01 1 0.03 0.00 0.05 0.00 0.00 99.92 23:52:01 2 0.02 0.00 0.02 0.00 0.00 99.97 23:52:01 3 0.55 0.00 0.03 0.00 0.00 99.42 23:53:01 all 0.16 0.00 0.04 0.00 0.00 99.80 23:53:01 0 0.02 0.00 0.03 0.00 0.00 99.95 23:53:01 1 0.05 0.00 0.07 0.00 0.00 99.88 23:53:01 2 0.05 0.00 0.03 0.00 0.00 99.92 23:53:01 3 0.52 0.00 0.03 0.00 0.00 99.45 23:54:01 all 0.15 0.00 0.03 0.00 0.00 99.82 23:54:01 0 0.02 0.00 0.03 0.02 0.00 99.93 23:54:01 1 0.03 0.00 0.02 0.00 0.00 99.95 23:54:01 2 0.02 0.00 0.03 0.00 0.00 99.95 23:54:01 3 0.53 0.00 0.03 0.00 0.00 99.43 23:55:01 all 5.71 0.00 3.24 2.29 0.01 88.75 23:55:01 0 5.85 0.00 2.75 3.02 0.02 88.37 23:55:01 1 5.53 0.00 3.27 0.50 0.00 90.69 23:55:01 2 5.56 0.00 3.28 1.39 0.02 89.75 23:55:01 3 5.89 0.00 3.69 4.26 0.02 86.14 Average: all 1.88 0.00 0.82 0.67 0.00 96.63 Average: 0 1.68 0.00 0.82 0.63 0.00 96.87 Average: 1 1.70 0.00 0.85 0.41 0.00 97.04 Average: 2 2.09 0.00 0.74 0.62 0.00 96.55 Average: 3 2.04 0.00 0.87 1.04 0.01 96.05