---> uname -a: Linux 5091e81e7cb1 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: 2933.442 BogoMIPS: 5866.88 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 637 119 0 1080 1093 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) 07/14/20 _x86_64_ (4 CPU) 17:25:48 LINUX RESTART 17:27:01 tps rtps wtps bread/s bwrtn/s 17:28:01 2.08 0.00 2.08 0.00 43.12 17:29:01 0.25 0.00 0.25 0.00 3.46 17:30:01 0.25 0.00 0.25 0.00 2.85 17:31:01 0.27 0.00 0.27 0.00 3.46 17:32:01 0.37 0.00 0.37 0.00 6.21 17:33:01 0.32 0.02 0.30 0.13 2.73 17:34:01 0.40 0.00 0.40 0.00 5.58 17:35:01 0.17 0.00 0.17 0.00 1.75 17:36:01 0.27 0.00 0.27 0.00 3.63 17:37:02 41.71 41.42 0.28 4043.30 3.81 Average: 4.61 4.14 0.46 404.36 7.66 17:27:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:28:01 175068 1706488 90.70 2620 1147784 1076452 36.74 424620 1122176 16 17:29:01 175080 1706476 90.69 2620 1147788 1071520 36.57 425852 1121548 8 17:30:01 175072 1706484 90.70 2620 1147796 1071608 36.57 426036 1121548 8 17:31:01 175176 1706380 90.69 2620 1147796 1071380 36.56 434232 1113168 8 17:32:01 174952 1706604 90.70 2620 1147800 1071464 36.57 434692 1113160 12 17:33:01 175016 1706540 90.70 2620 1147812 1071508 36.57 434260 1113160 8 17:34:01 174688 1706868 90.72 2620 1147812 1071616 36.57 430220 1117752 20 17:35:01 175368 1706188 90.68 2620 1147820 1071508 36.57 429676 1117752 12 17:36:01 175328 1706228 90.68 2620 1147824 1071508 36.57 420160 1127272 16 17:37:02 113216 1768340 93.98 2620 1209064 1072924 36.62 403464 1206680 188 Average: 168896 1712660 91.02 2620 1153930 1072149 36.59 426321 1127422 30 17:27:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:28:01 eth0 3.73 1.73 2.74 0.13 0.00 0.00 0.00 17:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:29:01 eth0 1.03 0.33 0.32 0.17 0.00 0.00 0.00 17:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:01 eth0 0.53 0.38 0.27 0.23 0.00 0.00 0.00 17:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:31:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 17:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:32:01 eth0 0.30 0.22 0.14 0.07 0.00 0.00 0.00 17:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:33:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 17:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:34:01 eth0 0.48 0.30 0.27 0.20 0.00 0.00 0.00 17:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:35:01 eth0 0.05 0.05 0.00 0.00 0.00 0.00 0.00 17:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:36:01 eth0 0.03 0.03 0.00 0.00 0.00 0.00 0.00 17:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:37:02 eth0 5.13 3.10 4.83 1.89 0.00 0.00 0.00 17:37:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:37:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 1.15 0.63 0.86 0.27 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 07/14/20 _x86_64_ (4 CPU) 17:25:48 LINUX RESTART 17:27:01 CPU %user %nice %system %iowait %steal %idle 17:28:01 all 0.16 0.00 0.05 0.00 0.00 99.79 17:28:01 0 0.07 0.00 0.08 0.00 0.00 99.85 17:28:01 1 0.05 0.00 0.03 0.00 0.00 99.92 17:28:01 2 0.05 0.00 0.03 0.00 0.00 99.92 17:28:01 3 0.48 0.00 0.05 0.00 0.00 99.47 17:29:01 all 0.17 0.00 0.02 0.00 0.00 99.81 17:29:01 0 0.03 0.00 0.03 0.00 0.00 99.93 17:29:01 1 0.05 0.00 0.02 0.00 0.00 99.93 17:29:01 2 0.05 0.00 0.02 0.00 0.00 99.93 17:29:01 3 0.53 0.00 0.02 0.00 0.00 99.45 17:30:01 all 0.09 0.00 0.03 0.00 0.00 99.88 17:30:01 0 0.03 0.00 0.03 0.00 0.00 99.93 17:30:01 1 0.05 0.00 0.03 0.00 0.00 99.92 17:30:01 2 0.03 0.00 0.03 0.00 0.00 99.93 17:30:01 3 0.27 0.00 0.02 0.00 0.00 99.72 17:31:01 all 0.05 0.00 0.03 0.00 0.00 99.93 17:31:01 0 0.05 0.00 0.03 0.00 0.00 99.92 17:31:01 1 0.07 0.00 0.03 0.00 0.00 99.90 17:31:01 2 0.02 0.00 0.00 0.00 0.00 99.98 17:31:01 3 0.02 0.00 0.02 0.00 0.00 99.97 17:32:01 all 0.04 0.00 0.04 0.00 0.00 99.92 17:32:01 0 0.02 0.00 0.03 0.00 0.00 99.95 17:32:01 1 0.10 0.00 0.07 0.00 0.00 99.83 17:32:01 2 0.03 0.00 0.07 0.00 0.00 99.90 17:32:01 3 0.03 0.00 0.02 0.00 0.00 99.95 17:33:01 all 0.15 0.00 0.03 0.00 0.00 99.82 17:33:01 0 0.03 0.00 0.02 0.00 0.00 99.95 17:33:01 1 0.52 0.00 0.03 0.00 0.00 99.45 17:33:01 2 0.03 0.00 0.03 0.00 0.00 99.93 17:33:01 3 0.00 0.00 0.02 0.00 0.00 99.98 17:34:01 all 0.16 0.00 0.03 0.00 0.00 99.81 17:34:01 0 0.02 0.00 0.03 0.00 0.00 99.95 17:34:01 1 0.53 0.00 0.02 0.00 0.00 99.45 17:34:01 2 0.05 0.00 0.05 0.00 0.00 99.90 17:34:01 3 0.03 0.00 0.03 0.00 0.00 99.93 17:35:01 all 0.15 0.00 0.02 0.00 0.00 99.83 17:35:01 0 0.02 0.00 0.03 0.00 0.00 99.95 17:35:01 1 0.52 0.00 0.02 0.00 0.00 99.47 17:35:01 2 0.05 0.00 0.03 0.00 0.00 99.92 17:35:01 3 0.03 0.00 0.02 0.00 0.00 99.95 17:36:01 all 0.15 0.00 0.02 0.00 0.00 99.82 17:36:01 0 0.02 0.00 0.03 0.00 0.00 99.95 17:36:01 1 0.53 0.00 0.02 0.00 0.00 99.45 17:36:01 2 0.02 0.00 0.05 0.00 0.00 99.93 17:36:01 3 0.00 0.00 0.00 0.00 0.00 100.00 17:37:02 all 0.78 0.00 0.19 0.95 0.00 98.07 17:37:02 0 0.55 0.00 0.12 0.08 0.02 99.23 17:37:02 1 1.18 0.00 0.33 2.65 0.00 95.83 17:37:02 2 0.35 0.00 0.12 0.32 0.02 99.20 17:37:02 3 1.07 0.00 0.17 0.77 0.00 98.00 Average: all 0.19 0.00 0.05 0.10 0.00 99.67 Average: 0 0.08 0.00 0.04 0.01 0.00 99.86 Average: 1 0.36 0.00 0.06 0.27 0.00 99.31 Average: 2 0.07 0.00 0.04 0.03 0.00 99.85 Average: 3 0.25 0.00 0.03 0.08 0.00 99.64