---> uname -a: Linux c7b2cd629afc 3.10.0-862.14.4.el7.x86_64 #1 SMP Wed Sep 26 15:12:11 UTC 2018 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 L1tf: Mitigation; PTE Inversion; VMX SMT disabled, L1D conditional cache flushes Vulnerability Meltdown: Mitigation; PTI Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; Load fences, __user pointer sanitization Vulnerability Spectre v2: Mitigation; Full retpoline 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 6.3G 43.7G 13% / tmpfs 64.0M 0 64.0M 0% /dev tmpfs 919.1M 0 919.1M 0% /sys/fs/cgroup shm 64.0M 0 64.0M 0% /dev/shm /dev/vda1 50.0G 6.3G 43.7G 13% /etc/resolv.conf /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hostname /dev/vda1 50.0G 6.3G 43.7G 13% /etc/hosts /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/y_app-service-configurable_PR-75 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/y_app-service-configurable_PR-75@tmp /dev/vda1 50.0G 6.3G 43.7G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 599 74 0 1163 1134 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 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 05/15/20 _x86_64_ (4 CPU) 15:30:00 LINUX RESTART 15:31:01 tps rtps wtps bread/s bwrtn/s 15:32:01 9.19 0.00 9.19 0.00 1756.37 15:33:01 0.27 0.00 0.27 0.00 3.98 15:34:01 0.23 0.00 0.23 0.00 3.25 15:35:01 0.30 0.00 0.30 0.00 3.33 15:36:01 0.47 0.00 0.47 0.00 7.28 Average: 2.09 0.00 2.09 0.00 354.86 15:31:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:32:01 120828 1761476 93.58 2620 1231232 903200 30.82 410660 1188420 20 15:33:01 120452 1761852 93.60 2620 1231236 895204 30.54 411976 1187800 20 15:34:01 119828 1762476 93.63 2620 1231244 895252 30.55 412272 1187800 8 15:35:01 121764 1760540 93.53 2620 1231248 894976 30.54 410812 1187800 16 15:36:01 121620 1760684 93.54 2620 1231308 895036 30.54 411264 1187808 16 Average: 120898 1761406 93.58 2620 1231254 896734 30.60 411397 1187926 16 15:31:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:32:01 eth0 0.72 0.18 0.05 0.05 0.00 0.00 0.00 15:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:33:01 eth0 0.82 0.35 0.38 0.17 0.00 0.00 0.00 15:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:34:01 eth0 0.87 0.35 0.30 0.23 0.00 0.00 0.00 15:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:35:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 15:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:36:01 eth0 0.28 0.18 0.14 0.07 0.00 0.00 0.00 15:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.56 0.23 0.18 0.11 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 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 05/15/20 _x86_64_ (4 CPU) 15:30:00 LINUX RESTART 15:31:01 CPU %user %nice %system %iowait %steal %idle 15:32:01 all 0.21 0.00 0.10 0.00 0.00 99.69 15:32:01 0 0.08 0.00 0.07 0.00 0.00 99.85 15:32:01 1 0.20 0.00 0.08 0.00 0.00 99.72 15:32:01 2 0.05 0.00 0.12 0.00 0.00 99.83 15:32:01 3 0.50 0.00 0.10 0.00 0.00 99.40 15:33:01 all 0.19 0.00 0.08 0.00 0.00 99.73 15:33:01 0 0.10 0.00 0.07 0.00 0.02 99.82 15:33:01 1 0.07 0.00 0.07 0.00 0.00 99.87 15:33:01 2 0.12 0.00 0.05 0.00 0.00 99.83 15:33:01 3 0.48 0.00 0.13 0.00 0.00 99.38 15:34:01 all 0.06 0.00 0.06 0.00 0.00 99.88 15:34:01 0 0.07 0.00 0.07 0.00 0.00 99.87 15:34:01 1 0.02 0.00 0.03 0.00 0.02 99.93 15:34:01 2 0.07 0.00 0.07 0.00 0.00 99.87 15:34:01 3 0.10 0.00 0.08 0.00 0.00 99.82 15:35:01 all 0.06 0.00 0.05 0.00 0.00 99.89 15:35:01 0 0.07 0.00 0.05 0.00 0.00 99.88 15:35:01 1 0.03 0.00 0.03 0.00 0.00 99.93 15:35:01 2 0.08 0.00 0.05 0.00 0.00 99.87 15:35:01 3 0.05 0.00 0.05 0.00 0.00 99.90 15:36:01 all 0.07 0.00 0.05 0.00 0.00 99.88 15:36:01 0 0.10 0.00 0.07 0.00 0.00 99.83 15:36:01 1 0.05 0.00 0.03 0.00 0.00 99.92 15:36:01 2 0.05 0.00 0.05 0.00 0.02 99.88 15:36:01 3 0.07 0.00 0.05 0.00 0.00 99.88 Average: all 0.12 0.00 0.07 0.00 0.00 99.81 Average: 0 0.08 0.00 0.06 0.00 0.00 99.85 Average: 1 0.07 0.00 0.05 0.00 0.00 99.87 Average: 2 0.07 0.00 0.07 0.00 0.00 99.86 Average: 3 0.24 0.00 0.08 0.00 0.00 99.68