---> uname -a: Linux 4fb4212b5e00 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: 2933.442 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 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% /var/log/sa /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/y_app-service-configurable_PR-59 /dev/vda1 50.0G 6.3G 43.7G 13% /w/workspace/y_app-service-configurable_PR-59@tmp ---> free -m: total used free shared buff/cache available Mem: 1838 591 76 0 1170 1142 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) 04/14/20 _x86_64_ (4 CPU) 18:38:01 LINUX RESTART 18:39:01 tps rtps wtps bread/s bwrtn/s 18:40:01 10.46 0.00 10.46 0.00 2084.58 18:41:01 0.25 0.00 0.25 0.00 3.60 18:42:01 0.28 0.00 0.28 0.00 3.35 18:43:01 0.30 0.00 0.30 0.00 3.10 18:44:01 0.33 0.00 0.33 0.00 4.85 18:45:01 0.30 0.00 0.30 0.00 3.21 Average: 1.99 0.00 1.99 0.00 350.49 18:39:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:40:01 118512 1763792 93.70 2620 1245448 903732 30.83 418868 1187240 16 18:41:01 117688 1764616 93.75 2620 1245456 903940 30.84 419964 1186944 8 18:42:01 117492 1764812 93.76 2620 1245460 903988 30.84 420452 1186940 8 18:43:01 118696 1763608 93.69 2620 1245464 903796 30.84 419376 1186940 8 18:44:01 118588 1763716 93.70 2620 1245472 903868 30.84 419804 1186940 8 18:45:01 118520 1763784 93.70 2620 1245476 903796 30.84 419436 1186940 8 Average: 118249 1764055 93.72 2620 1245463 903853 30.84 419650 1186991 9 18:39:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:40:01 eth0 0.67 0.08 0.05 0.02 0.00 0.00 0.00 18:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:41:01 eth0 2.02 0.87 1.43 0.20 0.00 0.00 0.00 18:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:42:01 eth0 0.80 0.48 0.30 0.24 0.00 0.00 0.00 18:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:43:01 eth0 0.40 0.08 0.04 0.01 0.00 0.00 0.00 18:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:44:01 eth0 0.18 0.15 0.08 0.07 0.00 0.00 0.00 18:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:45:01 eth0 0.03 0.02 0.00 0.00 0.00 0.00 0.00 18:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 0.68 0.28 0.32 0.09 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) 04/14/20 _x86_64_ (4 CPU) 18:38:01 LINUX RESTART 18:39:01 CPU %user %nice %system %iowait %steal %idle 18:40:01 all 0.20 0.00 0.10 0.00 0.00 99.70 18:40:01 0 0.03 0.00 0.13 0.00 0.00 99.83 18:40:01 1 0.12 0.00 0.12 0.00 0.00 99.77 18:40:01 2 0.58 0.00 0.05 0.00 0.00 99.37 18:40:01 3 0.08 0.00 0.08 0.00 0.00 99.83 18:41:01 all 0.19 0.00 0.05 0.00 0.00 99.76 18:41:01 0 0.03 0.00 0.03 0.00 0.00 99.93 18:41:01 1 0.07 0.00 0.05 0.00 0.00 99.88 18:41:01 2 0.55 0.00 0.07 0.00 0.00 99.38 18:41:01 3 0.10 0.00 0.05 0.00 0.00 99.85 18:42:01 all 0.17 0.00 0.05 0.00 0.00 99.78 18:42:01 0 0.05 0.00 0.07 0.00 0.00 99.88 18:42:01 1 0.05 0.00 0.05 0.00 0.00 99.90 18:42:01 2 0.05 0.00 0.02 0.00 0.02 99.92 18:42:01 3 0.53 0.00 0.05 0.00 0.00 99.42 18:43:01 all 0.18 0.00 0.05 0.00 0.00 99.77 18:43:01 0 0.05 0.00 0.07 0.00 0.00 99.88 18:43:01 1 0.03 0.00 0.02 0.00 0.00 99.95 18:43:01 2 0.07 0.00 0.08 0.00 0.00 99.85 18:43:01 3 0.57 0.00 0.05 0.00 0.00 99.38 18:44:01 all 0.18 0.00 0.04 0.00 0.00 99.78 18:44:01 0 0.05 0.00 0.03 0.00 0.00 99.92 18:44:01 1 0.05 0.00 0.03 0.00 0.00 99.92 18:44:01 2 0.07 0.00 0.07 0.00 0.00 99.87 18:44:01 3 0.57 0.00 0.02 0.00 0.00 99.42 18:45:01 all 0.18 0.00 0.04 0.00 0.00 99.78 18:45:01 0 0.03 0.00 0.03 0.00 0.00 99.93 18:45:01 1 0.07 0.00 0.03 0.00 0.00 99.90 18:45:01 2 0.07 0.00 0.05 0.00 0.00 99.88 18:45:01 3 0.57 0.00 0.03 0.00 0.00 99.40 Average: all 0.18 0.00 0.05 0.00 0.00 99.76 Average: 0 0.04 0.00 0.06 0.00 0.00 99.90 Average: 1 0.06 0.00 0.05 0.00 0.00 99.89 Average: 2 0.23 0.00 0.06 0.00 0.00 99.71 Average: 3 0.40 0.00 0.05 0.00 0.00 99.55