---> uname -a: Linux b44d0337e1c6 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 618 77 0 1142 1115 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) 18:52:40 LINUX RESTART 18:53:01 tps rtps wtps bread/s bwrtn/s 18:54:01 89.53 37.85 51.68 4950.33 15922.67 18:55:01 4.05 0.00 4.05 0.00 120.93 18:56:01 0.62 0.00 0.62 0.00 7.83 18:57:01 0.58 0.00 0.58 0.00 8.13 18:58:01 0.23 0.00 0.23 0.00 3.46 18:59:01 0.77 0.00 0.77 0.00 10.54 19:00:01 0.60 0.00 0.60 0.00 6.15 Average: 13.77 5.41 8.36 707.56 2298.29 18:53:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:54:01 110212 1772092 94.14 2620 1209064 948760 32.37 446216 1159448 12 18:55:01 118924 1763380 93.68 2620 1209192 914108 31.19 440768 1159320 20 18:56:01 118940 1763364 93.68 2620 1209200 914316 31.20 441204 1159304 8 18:57:01 118932 1763372 93.68 2620 1209200 914340 31.20 441068 1159304 16 18:58:01 120564 1761740 93.59 2620 1209208 908028 30.98 439960 1159296 8 18:59:01 119908 1762396 93.63 2620 1209212 908112 30.98 440452 1159296 8 19:00:01 120168 1762136 93.62 2620 1209216 908028 30.98 440036 1159292 8 Average: 118235 1764069 93.72 2620 1209185 916527 31.27 441386 1159323 11 18:53:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:54:01 eth0 461.48 256.47 1011.92 88.90 0.00 0.00 0.00 18:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:54:01 docker0 1.12 0.97 0.33 2.62 0.00 0.00 0.00 18:55:01 eth0 1.80 0.73 0.70 0.21 0.00 0.00 0.00 18:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:56:01 eth0 1.97 0.70 0.62 0.40 0.00 0.00 0.00 18:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:57:01 eth0 0.72 0.38 0.44 0.20 0.00 0.00 0.00 18:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:58:01 eth0 0.10 0.08 0.01 0.04 0.00 0.00 0.00 18:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:59:01 eth0 0.28 0.18 0.14 0.07 0.00 0.00 0.00 18:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 19:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 66.67 36.97 144.91 12.84 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.16 0.14 0.05 0.37 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) 18:52:40 LINUX RESTART 18:53:01 CPU %user %nice %system %iowait %steal %idle 18:54:01 all 14.44 0.00 6.04 3.51 0.06 75.95 18:54:01 0 13.12 0.00 6.96 2.04 0.05 77.83 18:54:01 1 11.92 0.00 6.46 4.08 0.08 77.45 18:54:01 2 17.62 0.00 5.02 5.14 0.05 72.17 18:54:01 3 15.07 0.00 5.72 2.73 0.07 76.41 18:55:01 all 0.21 0.00 0.06 0.00 0.00 99.73 18:55:01 0 0.08 0.00 0.07 0.00 0.00 99.85 18:55:01 1 0.05 0.00 0.03 0.00 0.00 99.92 18:55:01 2 0.12 0.00 0.08 0.00 0.00 99.80 18:55:01 3 0.57 0.00 0.07 0.00 0.00 99.37 18:56:01 all 0.39 0.00 0.06 0.00 0.00 99.55 18:56:01 0 0.03 0.00 0.02 0.00 0.00 99.95 18:56:01 1 0.82 0.00 0.05 0.00 0.00 99.13 18:56:01 2 0.15 0.00 0.13 0.00 0.00 99.72 18:56:01 3 0.55 0.00 0.05 0.00 0.00 99.40 18:57:01 all 0.18 0.00 0.05 0.00 0.00 99.77 18:57:01 0 0.03 0.00 0.03 0.00 0.00 99.93 18:57:01 1 0.05 0.00 0.05 0.00 0.00 99.90 18:57:01 2 0.07 0.00 0.05 0.00 0.00 99.88 18:57:01 3 0.57 0.00 0.05 0.00 0.00 99.38 18:58:01 all 0.19 0.00 0.05 0.00 0.00 99.75 18:58:01 0 0.05 0.00 0.03 0.00 0.00 99.92 18:58:01 1 0.07 0.00 0.07 0.00 0.00 99.87 18:58:01 2 0.37 0.00 0.08 0.00 0.00 99.55 18:58:01 3 0.30 0.00 0.05 0.00 0.00 99.65 18:59:01 all 0.18 0.00 0.05 0.00 0.00 99.77 18:59:01 0 0.42 0.00 0.02 0.00 0.00 99.57 18:59:01 1 0.05 0.00 0.05 0.00 0.00 99.90 18:59:01 2 0.20 0.00 0.05 0.00 0.00 99.75 18:59:01 3 0.03 0.00 0.03 0.00 0.02 99.92 19:00:01 all 0.19 0.00 0.04 0.00 0.00 99.77 19:00:01 0 0.50 0.00 0.02 0.00 0.00 99.48 19:00:01 1 0.07 0.00 0.05 0.00 0.00 99.88 19:00:01 2 0.12 0.00 0.08 0.00 0.02 99.78 19:00:01 3 0.08 0.00 0.03 0.00 0.00 99.88 Average: all 2.23 0.00 0.90 0.50 0.01 96.36 Average: 0 2.01 0.00 1.01 0.29 0.01 96.68 Average: 1 1.84 0.00 0.96 0.58 0.01 96.61 Average: 2 2.64 0.00 0.78 0.73 0.01 95.84 Average: 3 2.43 0.00 0.85 0.39 0.01 96.32