---> uname -a: Linux 3127782bee9b 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: 2933.436 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-91 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/y_app-service-configurable_PR-91@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 660 130 0 1046 1070 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) 07/06/20 _x86_64_ (4 CPU) 22:06:26 LINUX RESTART 22:07:01 tps rtps wtps bread/s bwrtn/s 22:08:01 55.93 14.52 41.42 4920.66 4683.59 22:09:01 1.63 0.00 1.63 0.00 30.07 22:10:01 0.22 0.00 0.22 0.00 2.61 22:11:01 0.27 0.00 0.27 0.00 3.48 22:12:01 0.22 0.00 0.22 0.00 2.63 22:13:01 0.35 0.00 0.35 0.00 4.71 22:14:01 0.27 0.02 0.25 0.13 2.57 22:15:01 0.17 0.00 0.17 0.00 1.48 22:16:01 0.27 0.00 0.27 0.00 3.63 22:17:01 0.27 0.00 0.27 0.00 3.03 22:18:02 0.30 0.00 0.30 0.00 3.86 22:19:01 171.97 112.00 59.97 8341.37 20365.52 Average: 19.12 10.41 8.71 1095.65 2067.94 22:07:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:08:01 155044 1726512 91.76 2620 1138844 1134024 38.70 427600 1138124 20 22:09:01 162352 1719204 91.37 2620 1138848 1081060 36.89 425984 1134016 12 22:10:01 161580 1719976 91.41 2620 1138856 1081192 36.90 426892 1134016 8 22:11:01 159492 1722064 91.52 2620 1138856 1081252 36.90 429240 1133444 8 22:12:01 160660 1720896 91.46 2620 1138864 1081112 36.90 432960 1128560 16 22:13:01 160536 1721020 91.47 2620 1138868 1081088 36.90 433060 1128500 12 22:14:01 161120 1720436 91.44 2620 1138876 1081040 36.89 433068 1128500 8 22:15:01 160956 1720600 91.45 2620 1138884 1081040 36.89 428616 1132844 20 22:16:01 160824 1720732 91.45 2620 1138888 1081040 36.89 428744 1132844 16 22:17:01 158000 1723556 91.60 2620 1138896 1081100 36.90 425860 1138708 16 22:18:02 157768 1723788 91.62 2620 1138896 1081100 36.90 425760 1138708 8 22:19:01 166892 1714664 91.13 2620 1069064 1213684 41.42 466480 1045728 404 Average: 160435 1721121 91.47 2620 1133053 1096561 37.42 432022 1126166 46 22:07:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:08:01 eth0 337.62 182.74 766.18 75.00 0.00 0.00 0.00 22:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:08:01 docker0 1.70 1.50 0.41 2.86 0.00 0.00 0.00 22:09:01 eth0 2.83 1.40 1.94 0.11 0.00 0.00 0.00 22:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:10:01 eth0 1.35 0.62 0.58 0.37 0.00 0.00 0.00 22:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:11:01 eth0 0.48 0.30 0.27 0.23 0.00 0.00 0.00 22:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:12:01 eth0 0.20 0.15 0.08 0.04 0.00 0.00 0.00 22:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:13:01 eth0 0.17 0.13 0.07 0.04 0.00 0.00 0.00 22:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:14:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 22:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:15:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 22:15:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:15:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:16:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 22:16:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:16:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:17:01 eth0 0.18 0.15 0.08 0.04 0.00 0.00 0.00 22:17:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:17:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:18:02 eth0 0.22 0.18 0.09 0.04 0.00 0.00 0.00 22:18:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:18:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:19:01 veth783700b 0.24 0.29 0.45 0.10 0.00 0.00 0.00 22:19:01 eth0 629.99 338.51 3477.61 103.83 0.00 0.00 0.00 22:19:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 22:19:01 docker0 1.96 1.71 0.86 3.00 0.00 0.00 0.00 Average: veth783700b 0.02 0.02 0.04 0.01 0.00 0.00 0.00 Average: eth0 51.73 27.79 285.53 8.52 0.00 0.00 0.00 Average: lo 0.01 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.16 0.14 0.07 0.25 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) 07/06/20 _x86_64_ (4 CPU) 22:06:26 LINUX RESTART 22:07:01 CPU %user %nice %system %iowait %steal %idle 22:08:01 all 7.59 0.00 3.06 2.31 0.41 86.63 22:08:01 0 7.42 0.00 3.64 5.11 0.47 83.36 22:08:01 1 8.55 0.00 2.67 0.74 0.37 87.68 22:08:01 2 6.03 0.00 3.26 3.16 0.49 87.06 22:08:01 3 8.37 0.00 2.64 0.25 0.34 88.39 22:09:01 all 0.20 0.00 0.04 0.00 0.00 99.76 22:09:01 0 0.10 0.00 0.05 0.00 0.00 99.85 22:09:01 1 0.17 0.00 0.05 0.00 0.00 99.78 22:09:01 2 0.05 0.00 0.05 0.00 0.02 99.88 22:09:01 3 0.50 0.00 0.02 0.00 0.00 99.48 22:10:01 all 0.14 0.00 0.04 0.00 0.01 99.82 22:10:01 0 0.03 0.00 0.05 0.00 0.00 99.92 22:10:01 1 0.22 0.00 0.03 0.00 0.00 99.75 22:10:01 2 0.07 0.00 0.03 0.00 0.00 99.90 22:10:01 3 0.23 0.00 0.03 0.00 0.00 99.73 22:11:01 all 0.15 0.00 0.03 0.00 0.01 99.81 22:11:01 0 0.03 0.00 0.03 0.00 0.02 99.92 22:11:01 1 0.53 0.00 0.03 0.00 0.02 99.42 22:11:01 2 0.03 0.00 0.03 0.00 0.02 99.92 22:11:01 3 0.02 0.00 0.00 0.00 0.00 99.98 22:12:01 all 0.15 0.00 0.03 0.00 0.01 99.81 22:12:01 0 0.03 0.00 0.05 0.00 0.00 99.92 22:12:01 1 0.52 0.00 0.03 0.00 0.00 99.45 22:12:01 2 0.02 0.00 0.03 0.00 0.02 99.93 22:12:01 3 0.02 0.00 0.03 0.00 0.02 99.93 22:13:01 all 0.13 0.00 0.04 0.00 0.00 99.83 22:13:01 0 0.02 0.00 0.08 0.00 0.00 99.90 22:13:01 1 0.33 0.00 0.03 0.00 0.00 99.63 22:13:01 2 0.15 0.00 0.03 0.00 0.00 99.82 22:13:01 3 0.02 0.00 0.02 0.00 0.02 99.95 22:14:01 all 0.15 0.00 0.03 0.00 0.00 99.82 22:14:01 0 0.00 0.00 0.02 0.00 0.00 99.98 22:14:01 1 0.05 0.00 0.05 0.00 0.00 99.90 22:14:01 2 0.52 0.00 0.02 0.00 0.02 99.45 22:14:01 3 0.03 0.00 0.03 0.00 0.00 99.93 22:15:01 all 0.15 0.00 0.03 0.00 0.00 99.82 22:15:01 0 0.02 0.00 0.03 0.00 0.02 99.93 22:15:01 1 0.03 0.00 0.05 0.00 0.00 99.92 22:15:01 2 0.52 0.00 0.02 0.00 0.00 99.47 22:15:01 3 0.02 0.00 0.02 0.00 0.00 99.97 22:16:01 all 0.16 0.00 0.02 0.00 0.00 99.82 22:16:01 0 0.03 0.00 0.02 0.00 0.00 99.95 22:16:01 1 0.03 0.00 0.02 0.00 0.00 99.95 22:16:01 2 0.52 0.00 0.02 0.00 0.00 99.47 22:16:01 3 0.05 0.00 0.03 0.00 0.00 99.92 22:17:01 all 0.14 0.00 0.02 0.00 0.00 99.83 22:17:01 0 0.03 0.00 0.05 0.00 0.02 99.90 22:17:01 1 0.03 0.00 0.02 0.00 0.00 99.95 22:17:01 2 0.48 0.00 0.02 0.00 0.00 99.50 22:17:01 3 0.02 0.00 0.02 0.00 0.00 99.97 22:18:02 all 0.05 0.00 0.04 0.00 0.00 99.91 22:18:02 0 0.03 0.00 0.02 0.00 0.00 99.95 22:18:02 1 0.05 0.00 0.05 0.00 0.02 99.88 22:18:02 2 0.10 0.00 0.07 0.00 0.02 99.82 22:18:02 3 0.02 0.00 0.02 0.00 0.00 99.97 22:19:01 all 6.33 0.00 3.30 2.14 0.12 88.12 22:19:01 0 5.99 0.00 3.40 2.00 0.10 88.51 22:19:01 1 7.58 0.00 3.17 2.83 0.15 86.26 22:19:01 2 5.45 0.00 3.49 1.30 0.12 89.64 22:19:01 3 6.27 0.00 3.14 2.42 0.09 88.09 Average: all 1.26 0.00 0.55 0.36 0.05 97.78 Average: 0 1.13 0.00 0.61 0.59 0.05 97.62 Average: 1 1.49 0.00 0.51 0.29 0.05 97.66 Average: 2 1.15 0.00 0.58 0.37 0.06 97.84 Average: 3 1.28 0.00 0.49 0.22 0.04 97.97