---> uname -a: Linux 7573d237a3ab 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: 2933.438 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 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% /w/workspace/y_app-service-configurable_PR-94 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/y_app-service-configurable_PR-94@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 659 126 0 1051 1072 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 3.10.0-1127.el7.x86_64 (centos-7-docker-5eb134fb-50d3-af0a-1802-9f6851a35141.vexxhost.lo) 07/13/20 _x86_64_ (4 CPU) 22:42:56 LINUX RESTART 22:44:01 tps rtps wtps bread/s bwrtn/s 22:45:01 24.29 7.04 17.25 2244.95 1998.50 22:46:01 0.40 0.00 0.40 0.00 5.77 22:47:01 0.23 0.00 0.23 0.00 2.98 22:48:01 0.27 0.00 0.27 0.00 3.48 22:49:02 0.25 0.00 0.25 0.00 4.58 22:50:01 0.41 0.02 0.39 0.14 4.37 22:51:01 0.67 0.00 0.67 0.00 7.40 22:52:01 0.42 0.00 0.42 0.00 5.19 22:53:01 0.57 0.00 0.57 0.00 7.71 22:54:01 0.40 0.00 0.40 0.00 5.33 Average: 2.79 0.71 2.09 225.04 205.00 22:44:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:45:01 164152 1717404 91.28 2620 1136148 1145632 39.10 448180 1109584 16 22:46:01 174116 1707440 90.75 2620 1136152 1080220 36.87 443484 1105496 12 22:47:01 173044 1708512 90.80 2620 1136160 1080524 36.88 444764 1105496 16 22:48:01 173320 1708236 90.79 2620 1136160 1080284 36.87 445212 1104908 12 22:49:02 172384 1709172 90.84 2620 1136168 1080460 36.87 449000 1101824 8 22:50:01 171448 1710108 90.89 2620 1136176 1080388 36.87 466100 1086028 8 22:51:01 171452 1710104 90.89 2620 1136176 1080352 36.87 458572 1093284 8 22:52:01 170700 1710856 90.93 2620 1136184 1080556 36.88 459756 1093284 8 22:53:01 170656 1710900 90.93 2620 1136188 1080520 36.88 459728 1093284 8 22:54:01 170812 1710744 90.92 2620 1136196 1080460 36.87 455644 1096956 8 Average: 171208 1710348 90.90 2620 1136171 1086940 37.10 453044 1099014 10 22:44:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:45:01 eth0 43.57 33.54 331.24 26.92 0.00 0.00 0.00 22:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:45:01 docker0 2.58 2.01 0.45 2.89 0.00 0.00 0.00 22:46:01 eth0 0.68 0.08 0.06 0.01 0.00 0.00 0.00 22:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:47:01 eth0 3.35 1.67 2.75 0.43 0.00 0.00 0.00 22:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:48:01 eth0 0.10 0.08 0.01 0.04 0.00 0.00 0.00 22:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:49:02 eth0 0.22 0.18 0.08 0.07 0.00 0.00 0.00 22:49:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:49:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:01 eth0 0.19 0.12 0.07 0.01 0.00 0.00 0.00 22:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:51:01 eth0 0.67 0.03 0.06 0.00 0.00 0.00 0.00 22:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:52:01 eth0 1.06 0.40 0.32 0.21 0.00 0.00 0.00 22:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:53:01 eth0 0.47 0.40 0.27 0.21 0.00 0.00 0.00 22:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:54:01 eth0 1.00 0.17 0.21 0.07 0.00 0.00 0.00 22:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 5.14 3.68 33.59 2.80 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.26 0.20 0.05 0.29 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) 07/13/20 _x86_64_ (4 CPU) 22:42:56 LINUX RESTART 22:44:01 CPU %user %nice %system %iowait %steal %idle 22:45:01 all 1.95 0.00 1.40 0.65 1.96 94.03 22:45:01 0 2.19 0.00 1.36 0.32 1.94 94.19 22:45:01 1 1.87 0.00 1.60 0.13 2.01 94.38 22:45:01 2 2.12 0.00 1.38 0.34 1.80 94.37 22:45:01 3 1.62 0.00 1.27 1.82 2.12 93.16 22:46:01 all 0.12 0.00 0.07 0.00 0.22 99.58 22:46:01 0 0.37 0.00 0.10 0.00 0.25 99.28 22:46:01 1 0.03 0.00 0.07 0.00 0.20 99.70 22:46:01 2 0.05 0.00 0.08 0.00 0.25 99.62 22:46:01 3 0.02 0.00 0.05 0.00 0.17 99.77 22:47:01 all 0.15 0.00 0.03 0.00 0.16 99.66 22:47:01 0 0.32 0.00 0.02 0.00 0.25 99.42 22:47:01 1 0.10 0.00 0.03 0.00 0.07 99.80 22:47:01 2 0.13 0.00 0.07 0.00 0.28 99.52 22:47:01 3 0.05 0.00 0.03 0.00 0.05 99.87 22:48:01 all 0.11 0.00 0.04 0.00 0.06 99.78 22:48:01 0 0.35 0.00 0.10 0.00 0.10 99.45 22:48:01 1 0.02 0.00 0.02 0.00 0.02 99.95 22:48:01 2 0.07 0.00 0.02 0.00 0.13 99.78 22:48:01 3 0.02 0.00 0.02 0.00 0.02 99.95 22:49:02 all 0.13 0.00 0.05 0.00 0.21 99.61 22:49:02 0 0.03 0.00 0.03 0.00 0.07 99.87 22:49:02 1 0.22 0.00 0.05 0.00 0.33 99.40 22:49:02 2 0.25 0.00 0.07 0.00 0.40 99.28 22:49:02 3 0.02 0.00 0.02 0.00 0.03 99.93 22:50:01 all 0.09 0.00 0.06 0.00 0.06 99.78 22:50:01 0 0.05 0.00 0.03 0.00 0.08 99.83 22:50:01 1 0.02 0.00 0.03 0.00 0.12 99.83 22:50:01 2 0.27 0.00 0.19 0.02 0.05 99.47 22:50:01 3 0.02 0.00 0.02 0.00 0.02 99.95 22:51:01 all 0.10 0.00 0.03 0.00 0.24 99.63 22:51:01 0 0.05 0.00 0.07 0.00 0.57 99.32 22:51:01 1 0.03 0.00 0.02 0.00 0.23 99.72 22:51:01 2 0.33 0.00 0.05 0.00 0.12 99.50 22:51:01 3 0.02 0.00 0.00 0.00 0.02 99.97 22:52:01 all 0.07 0.00 0.02 0.00 0.48 99.42 22:52:01 0 0.05 0.00 0.05 0.00 0.78 99.12 22:52:01 1 0.02 0.00 0.03 0.00 0.56 99.39 22:52:01 2 0.23 0.00 0.02 0.00 0.43 99.32 22:52:01 3 0.00 0.00 0.00 0.00 0.13 99.87 22:53:01 all 0.11 0.00 0.02 0.00 0.45 99.41 22:53:01 0 0.02 0.00 0.02 0.00 1.09 98.87 22:53:01 1 0.05 0.00 0.02 0.00 0.12 99.82 22:53:01 2 0.33 0.00 0.03 0.00 0.23 99.40 22:53:01 3 0.03 0.00 0.03 0.00 0.38 99.55 22:54:01 all 0.06 0.00 0.05 0.00 0.05 99.84 22:54:01 0 0.02 0.00 0.07 0.00 0.03 99.88 22:54:01 1 0.07 0.00 0.05 0.00 0.08 99.80 22:54:01 2 0.12 0.00 0.03 0.00 0.07 99.78 22:54:01 3 0.02 0.00 0.02 0.00 0.03 99.93 Average: all 0.29 0.00 0.18 0.07 0.39 99.08 Average: 0 0.34 0.00 0.18 0.03 0.52 98.92 Average: 1 0.24 0.00 0.19 0.01 0.37 99.18 Average: 2 0.39 0.00 0.19 0.04 0.38 99.01 Average: 3 0.18 0.00 0.15 0.18 0.30 99.20