---> uname -a: Linux 33774270a1de 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 7.2G 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% /w/workspace/_app-service-configurable_master@tmp /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 ---> free -m: total used free shared buff/cache available Mem: 1837 629 125 0 1082 1101 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) 07/22/20 _x86_64_ (4 CPU) 20:06:13 LINUX RESTART 20:07:01 tps rtps wtps bread/s bwrtn/s 20:08:01 28.93 8.84 20.08 4308.28 2115.87 20:09:01 1.50 0.00 1.50 0.00 24.90 20:10:01 0.27 0.00 0.27 0.00 3.78 20:11:01 0.25 0.00 0.25 0.00 2.56 20:12:01 0.17 0.00 0.17 0.00 1.97 20:13:01 0.35 0.02 0.33 0.13 4.85 20:14:01 0.25 0.00 0.25 0.00 2.56 20:15:01 0.25 0.00 0.25 0.00 3.08 20:16:01 0.25 0.00 0.25 0.00 2.71 20:17:01 0.20 0.00 0.20 0.00 2.75 20:18:01 126.21 81.02 45.19 6820.36 18598.32 Average: 14.43 8.18 6.25 1012.41 1889.52 20:07:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:08:01 159128 1722428 91.54 2620 1166172 1146572 39.13 379580 1181760 16 20:09:01 168148 1713408 91.06 2620 1166176 1079440 36.84 375840 1178140 20 20:10:01 165280 1716276 91.22 2620 1166184 1079620 36.85 378928 1177936 16 20:11:01 166932 1714624 91.13 2620 1166184 1079380 36.84 377500 1177936 20 20:12:01 165484 1716072 91.20 2620 1166192 1079476 36.84 379740 1177352 20 20:13:01 166032 1715524 91.18 2620 1166200 1079380 36.84 386436 1170292 16 20:14:01 165636 1715920 91.20 2620 1166200 1079380 36.84 378100 1178388 8 20:15:01 165120 1716436 91.22 2620 1166208 1079488 36.84 378940 1178388 12 20:16:01 165652 1715904 91.20 2620 1166212 1079380 36.84 378244 1178388 16 20:17:01 164848 1716708 91.24 2620 1166224 1079464 36.84 376752 1180460 16 20:18:01 88868 1792688 95.28 2620 1159660 1284432 43.84 444844 1138860 20216 Average: 158284 1723272 91.59 2620 1165601 1104183 37.68 384991 1174355 1852 20:07:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:08:01 eth0 47.01 34.97 333.51 29.18 0.00 0.00 0.00 20:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:08:01 docker0 1.20 1.27 0.21 2.70 0.00 0.00 0.00 20:09:01 eth0 3.56 1.17 2.73 0.08 0.00 0.00 0.00 20:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:01 eth0 1.22 0.52 0.57 0.39 0.00 0.00 0.00 20:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:11:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 20:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:12:01 eth0 0.30 0.20 0.14 0.07 0.00 0.00 0.00 20:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:13:01 eth0 0.10 0.15 0.01 0.01 0.00 0.00 0.00 20:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:14:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 20:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:15:01 eth0 0.55 0.40 0.32 0.21 0.00 0.00 0.00 20:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:16:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 20:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:17:01 eth0 0.20 0.17 0.08 0.07 0.00 0.00 0.00 20:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:18:01 eth0 90.74 61.54 2327.81 10.41 0.00 0.00 0.00 20:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 13.09 9.04 242.53 3.68 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.11 0.12 0.02 0.25 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) 07/22/20 _x86_64_ (4 CPU) 20:06:13 LINUX RESTART 20:07:01 CPU %user %nice %system %iowait %steal %idle 20:08:01 all 2.35 0.00 1.35 0.81 0.01 95.48 20:08:01 0 2.42 0.00 1.19 0.07 0.02 96.31 20:08:01 1 1.81 0.00 1.41 0.15 0.02 96.62 20:08:01 2 2.78 0.00 1.57 1.50 0.02 94.13 20:08:01 3 2.36 0.00 1.22 1.52 0.02 94.88 20:09:01 all 0.16 0.00 0.04 0.00 0.00 99.80 20:09:01 0 0.05 0.00 0.05 0.00 0.00 99.90 20:09:01 1 0.07 0.00 0.03 0.00 0.00 99.90 20:09:01 2 0.48 0.00 0.05 0.00 0.00 99.47 20:09:01 3 0.07 0.00 0.05 0.00 0.00 99.88 20:10:01 all 0.15 0.00 0.03 0.00 0.00 99.81 20:10:01 0 0.08 0.00 0.07 0.00 0.00 99.85 20:10:01 1 0.25 0.00 0.03 0.00 0.00 99.72 20:10:01 2 0.22 0.00 0.02 0.00 0.00 99.77 20:10:01 3 0.03 0.00 0.02 0.00 0.00 99.95 20:11:01 all 0.15 0.00 0.03 0.00 0.00 99.83 20:11:01 0 0.07 0.00 0.05 0.00 0.00 99.88 20:11:01 1 0.52 0.00 0.03 0.00 0.00 99.45 20:11:01 2 0.00 0.00 0.00 0.00 0.00 100.00 20:11:01 3 0.02 0.00 0.02 0.00 0.00 99.97 20:12:01 all 0.16 0.00 0.03 0.00 0.00 99.80 20:12:01 0 0.03 0.00 0.02 0.00 0.02 99.93 20:12:01 1 0.52 0.00 0.02 0.00 0.02 99.45 20:12:01 2 0.05 0.00 0.03 0.00 0.00 99.92 20:12:01 3 0.05 0.00 0.03 0.00 0.00 99.92 20:13:01 all 0.15 0.00 0.03 0.00 0.00 99.82 20:13:01 0 0.02 0.00 0.02 0.00 0.00 99.97 20:13:01 1 0.53 0.00 0.03 0.00 0.00 99.43 20:13:01 2 0.05 0.00 0.03 0.00 0.02 99.90 20:13:01 3 0.02 0.00 0.03 0.00 0.00 99.95 20:14:01 all 0.15 0.00 0.02 0.00 0.00 99.82 20:14:01 0 0.03 0.00 0.02 0.00 0.00 99.95 20:14:01 1 0.50 0.00 0.02 0.00 0.00 99.48 20:14:01 2 0.03 0.00 0.05 0.00 0.00 99.92 20:14:01 3 0.03 0.00 0.03 0.00 0.00 99.93 20:15:01 all 0.11 0.00 0.04 0.00 0.02 99.83 20:15:01 0 0.03 0.00 0.05 0.00 0.00 99.92 20:15:01 1 0.35 0.00 0.03 0.00 0.00 99.62 20:15:01 2 0.05 0.00 0.05 0.00 0.03 99.87 20:15:01 3 0.03 0.00 0.02 0.00 0.02 99.93 20:16:01 all 0.04 0.00 0.03 0.00 0.00 99.92 20:16:01 0 0.03 0.00 0.02 0.00 0.02 99.93 20:16:01 1 0.03 0.00 0.03 0.00 0.02 99.92 20:16:01 2 0.05 0.00 0.03 0.00 0.00 99.92 20:16:01 3 0.03 0.00 0.03 0.00 0.00 99.93 20:17:01 all 0.15 0.00 0.02 0.00 0.00 99.83 20:17:01 0 0.03 0.00 0.02 0.00 0.00 99.95 20:17:01 1 0.48 0.00 0.03 0.00 0.00 99.48 20:17:01 2 0.05 0.00 0.03 0.00 0.00 99.92 20:17:01 3 0.03 0.00 0.02 0.00 0.00 99.95 20:18:01 all 5.07 0.00 2.75 1.68 0.05 90.44 20:18:01 0 4.86 0.00 2.53 0.23 0.07 92.31 20:18:01 1 4.92 0.00 2.86 2.65 0.03 89.54 20:18:01 2 5.50 0.00 2.88 1.22 0.03 90.36 20:18:01 3 5.02 0.00 2.70 2.62 0.05 89.61 Average: all 0.78 0.00 0.40 0.23 0.01 98.59 Average: 0 0.69 0.00 0.36 0.03 0.01 98.90 Average: 1 0.91 0.00 0.41 0.25 0.01 98.42 Average: 2 0.84 0.00 0.43 0.25 0.01 98.47 Average: 3 0.70 0.00 0.38 0.37 0.01 98.54