---> uname -a: Linux cedf3cb0bdef 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 6.4G 43.6G 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 6.4G 43.6G 13% /etc/resolv.conf /dev/vda1 50.0G 6.4G 43.6G 13% /etc/hostname /dev/vda1 50.0G 6.4G 43.6G 13% /etc/hosts /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/y_app-service-configurable_PR-73 /dev/vda1 50.0G 6.4G 43.6G 13% /w/workspace/y_app-service-configurable_PR-73@tmp /dev/vda1 50.0G 6.4G 43.6G 13% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1838 595 64 0 1178 1139 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 3.10.0-862.14.4.el7.x86_64 (centos-7-docker-5bc7e375-1660-33dc-fe50-cb0f4dbfa1d5.vexxhost.ne) 05/13/20 _x86_64_ (4 CPU) 22:16:01 LINUX RESTART 22:17:01 tps rtps wtps bread/s bwrtn/s 22:18:01 9.43 0.00 9.43 0.00 1790.54 22:19:01 0.35 0.00 0.35 0.00 4.53 22:20:01 0.65 0.00 0.65 0.00 7.96 22:21:01 0.52 0.00 0.52 0.00 6.50 22:22:01 0.80 0.00 0.80 0.00 10.07 22:23:01 0.38 0.00 0.38 0.00 5.46 22:24:01 0.17 0.00 0.17 0.00 1.87 Average: 1.76 0.00 1.76 0.00 261.01 22:17:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:18:01 108128 1774176 94.26 2620 1243780 936988 31.97 423416 1187136 20 22:19:01 111684 1770620 94.07 2620 1243784 902036 30.78 420440 1186836 8 22:20:01 111292 1771012 94.09 2620 1243796 902168 30.78 421480 1186800 8 22:21:01 111144 1771160 94.10 2620 1243796 902232 30.78 421532 1186800 8 22:22:01 111452 1770852 94.08 2620 1243804 902172 30.78 421112 1186800 12 22:23:01 111796 1770508 94.06 2620 1243808 902100 30.78 420860 1186800 16 22:24:01 118496 1763808 93.70 2620 1243812 902100 30.78 414756 1186660 8 Average: 111999 1770305 94.05 2620 1243797 907114 30.95 420514 1186833 11 22:17:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:18:01 eth0 1.07 0.52 1.10 0.21 0.00 0.00 0.00 22:18:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:18:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:19:01 eth0 0.63 0.08 0.06 0.01 0.00 0.00 0.00 22:19:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:19:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:01 eth0 1.55 0.40 0.36 0.20 0.00 0.00 0.00 22:20:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:21:01 eth0 0.95 0.58 0.54 0.40 0.00 0.00 0.00 22:21:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:21:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:22:01 eth0 0.25 0.15 0.14 0.07 0.00 0.00 0.00 22:22:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:22:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:23:01 eth0 0.05 0.05 0.00 0.00 0.00 0.00 0.00 22:23:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:23:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:24:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 22:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.66 0.27 0.31 0.13 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) 05/13/20 _x86_64_ (4 CPU) 22:16:01 LINUX RESTART 22:17:01 CPU %user %nice %system %iowait %steal %idle 22:18:01 all 0.19 0.00 0.09 0.00 0.00 99.71 22:18:01 0 0.03 0.00 0.05 0.00 0.00 99.92 22:18:01 1 0.58 0.00 0.12 0.00 0.00 99.30 22:18:01 2 0.08 0.00 0.12 0.00 0.00 99.80 22:18:01 3 0.05 0.00 0.07 0.00 0.00 99.88 22:19:01 all 0.19 0.00 0.05 0.00 0.00 99.77 22:19:01 0 0.03 0.00 0.05 0.00 0.00 99.92 22:19:01 1 0.55 0.00 0.05 0.00 0.00 99.40 22:19:01 2 0.07 0.00 0.07 0.00 0.00 99.87 22:19:01 3 0.10 0.00 0.03 0.00 0.00 99.87 22:20:01 all 0.18 0.00 0.05 0.00 0.00 99.77 22:20:01 0 0.08 0.00 0.05 0.00 0.00 99.87 22:20:01 1 0.08 0.00 0.07 0.00 0.00 99.85 22:20:01 2 0.08 0.00 0.05 0.00 0.00 99.87 22:20:01 3 0.50 0.00 0.03 0.00 0.00 99.47 22:21:01 all 0.17 0.00 0.05 0.00 0.01 99.77 22:21:01 0 0.08 0.00 0.05 0.00 0.02 99.85 22:21:01 1 0.07 0.00 0.02 0.00 0.00 99.92 22:21:01 2 0.13 0.00 0.05 0.00 0.00 99.82 22:21:01 3 0.38 0.00 0.05 0.00 0.02 99.55 22:22:01 all 0.15 0.00 0.06 0.00 0.00 99.79 22:22:01 0 0.05 0.00 0.03 0.00 0.00 99.92 22:22:01 1 0.28 0.00 0.08 0.00 0.02 99.62 22:22:01 2 0.07 0.00 0.05 0.00 0.00 99.88 22:22:01 3 0.18 0.00 0.12 0.00 0.00 99.70 22:23:01 all 0.18 0.00 0.04 0.00 0.00 99.77 22:23:01 0 0.05 0.00 0.03 0.00 0.00 99.92 22:23:01 1 0.58 0.00 0.07 0.00 0.00 99.35 22:23:01 2 0.07 0.00 0.07 0.00 0.00 99.87 22:23:01 3 0.03 0.00 0.03 0.00 0.00 99.93 22:24:01 all 0.17 0.00 0.04 0.00 0.00 99.79 22:24:01 0 0.02 0.00 0.02 0.00 0.00 99.97 22:24:01 1 0.55 0.00 0.03 0.00 0.00 99.42 22:24:01 2 0.05 0.00 0.03 0.00 0.02 99.90 22:24:01 3 0.05 0.00 0.03 0.00 0.00 99.92 Average: all 0.18 0.00 0.05 0.00 0.00 99.77 Average: 0 0.05 0.00 0.04 0.00 0.00 99.91 Average: 1 0.39 0.00 0.06 0.00 0.00 99.55 Average: 2 0.08 0.00 0.06 0.00 0.00 99.86 Average: 3 0.19 0.00 0.05 0.00 0.00 99.76