---> uname -a: Linux 01a3f764beaa 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: 2933.442 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 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% /var/log/sa /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/y_app-service-configurable_PR-92 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/y_app-service-configurable_PR-92@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 648 117 0 1071 1083 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) 07/09/20 _x86_64_ (4 CPU) 23:32:09 LINUX RESTART 23:33:01 tps rtps wtps bread/s bwrtn/s 23:34:01 19.44 3.63 15.81 1024.77 1981.74 23:35:01 1.60 0.00 1.60 0.00 31.02 23:36:02 0.30 0.00 0.30 0.00 3.81 23:37:01 0.25 0.00 0.25 0.00 2.74 23:38:01 0.15 0.00 0.15 0.00 1.95 23:39:01 0.37 0.02 0.35 0.13 4.58 23:40:01 0.25 0.00 0.25 0.00 2.56 23:41:01 0.25 0.00 0.25 0.00 2.95 23:42:01 157.97 101.38 56.58 7844.71 19901.33 Average: 20.11 11.70 8.41 987.71 2442.37 23:33:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:34:01 173336 1708220 90.79 2620 1137876 1123144 38.33 421560 1126440 20 23:35:01 180212 1701344 90.42 2620 1137880 1074396 36.67 419828 1122844 20 23:36:02 180068 1701488 90.43 2620 1137888 1074396 36.67 419852 1122844 8 23:37:01 177368 1704188 90.57 2620 1137888 1074648 36.68 425552 1119660 8 23:38:01 178344 1703212 90.52 2620 1137896 1074480 36.67 425456 1118824 12 23:39:01 177176 1704380 90.58 2620 1137904 1074608 36.67 432060 1113292 12 23:40:01 177760 1703796 90.55 2620 1137904 1074524 36.67 431860 1113292 8 23:41:01 178000 1703556 90.54 2620 1137912 1074524 36.67 431368 1113668 8 23:42:01 127144 1754412 93.24 2620 1093880 1224604 41.79 485992 1065172 256 Average: 172156 1709400 90.85 2620 1133003 1096592 37.42 432614 1112893 39 23:33:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:34:01 eth0 28.94 20.41 29.24 18.37 0.00 0.00 0.00 23:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:34:01 docker0 1.70 1.48 0.41 2.85 0.00 0.00 0.00 23:35:01 eth0 0.10 0.08 0.01 0.04 0.00 0.00 0.00 23:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:36:02 eth0 0.68 0.07 0.06 0.01 0.00 0.00 0.00 23:36:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:36:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:37:01 eth0 0.44 0.25 0.27 0.20 0.00 0.00 0.00 23:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:38:01 eth0 0.22 0.18 0.08 0.07 0.00 0.00 0.00 23:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:39:01 eth0 0.20 0.17 0.07 0.01 0.00 0.00 0.00 23:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:40:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 23:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:41:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 23:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:42:01 eth0 101.60 69.32 2337.79 13.18 0.00 0.00 0.00 23:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:42:01 vethe533e93 0.00 0.08 0.00 0.01 0.00 0.00 0.00 23:42:01 docker0 1.70 1.48 0.41 2.86 0.00 0.00 0.00 Average: eth0 14.74 10.09 263.64 3.55 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: vethe533e93 0.00 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.19 0.16 0.05 0.32 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) 07/09/20 _x86_64_ (4 CPU) 23:32:09 LINUX RESTART 23:33:01 CPU %user %nice %system %iowait %steal %idle 23:34:01 all 1.64 0.00 1.11 0.58 0.00 96.67 23:34:01 0 1.60 0.00 1.20 0.55 0.00 96.64 23:34:01 1 1.57 0.00 1.12 0.57 0.00 96.75 23:34:01 2 1.84 0.00 1.15 0.18 0.00 96.83 23:34:01 3 1.57 0.00 0.94 1.02 0.00 96.48 23:35:01 all 0.12 0.00 0.06 0.00 0.00 99.82 23:35:01 0 0.05 0.00 0.10 0.00 0.00 99.85 23:35:01 1 0.33 0.00 0.03 0.00 0.00 99.63 23:35:01 2 0.08 0.00 0.07 0.00 0.00 99.85 23:35:01 3 0.02 0.00 0.05 0.00 0.00 99.93 23:36:02 all 0.15 0.00 0.03 0.00 0.00 99.82 23:36:02 0 0.05 0.00 0.03 0.00 0.00 99.92 23:36:02 1 0.47 0.00 0.02 0.00 0.00 99.52 23:36:02 2 0.03 0.00 0.05 0.00 0.00 99.92 23:36:02 3 0.02 0.00 0.02 0.00 0.00 99.97 23:37:01 all 0.15 0.00 0.04 0.00 0.00 99.81 23:37:01 0 0.03 0.00 0.05 0.00 0.00 99.92 23:37:01 1 0.53 0.00 0.02 0.00 0.00 99.46 23:37:01 2 0.05 0.00 0.05 0.00 0.00 99.90 23:37:01 3 0.02 0.00 0.03 0.00 0.00 99.95 23:38:01 all 0.15 0.00 0.03 0.00 0.00 99.82 23:38:01 0 0.03 0.00 0.05 0.00 0.00 99.92 23:38:01 1 0.53 0.00 0.02 0.00 0.00 99.45 23:38:01 2 0.02 0.00 0.02 0.00 0.00 99.97 23:38:01 3 0.03 0.00 0.03 0.00 0.00 99.93 23:39:01 all 0.15 0.00 0.03 0.00 0.00 99.82 23:39:01 0 0.02 0.00 0.05 0.00 0.00 99.93 23:39:01 1 0.07 0.00 0.03 0.00 0.00 99.90 23:39:01 2 0.48 0.00 0.03 0.00 0.00 99.48 23:39:01 3 0.02 0.00 0.02 0.00 0.00 99.97 23:40:01 all 0.15 0.00 0.03 0.00 0.00 99.82 23:40:01 0 0.02 0.00 0.02 0.00 0.00 99.97 23:40:01 1 0.12 0.00 0.03 0.00 0.00 99.85 23:40:01 2 0.45 0.00 0.03 0.00 0.00 99.52 23:40:01 3 0.03 0.00 0.03 0.00 0.00 99.93 23:41:01 all 0.04 0.00 0.04 0.00 0.00 99.92 23:41:01 0 0.02 0.00 0.03 0.00 0.00 99.95 23:41:01 1 0.10 0.00 0.08 0.00 0.00 99.82 23:41:01 2 0.02 0.00 0.02 0.00 0.00 99.97 23:41:01 3 0.02 0.00 0.00 0.00 0.00 99.98 23:42:01 all 5.41 0.00 3.06 2.00 0.01 89.51 23:42:01 0 4.81 0.00 3.89 1.39 0.02 89.89 23:42:01 1 5.84 0.00 2.47 2.14 0.02 89.53 23:42:01 2 4.67 0.00 2.60 0.59 0.00 92.14 23:42:01 3 6.34 0.00 3.29 3.91 0.02 86.45 Average: all 0.88 0.00 0.49 0.29 0.00 98.34 Average: 0 0.74 0.00 0.60 0.22 0.00 98.45 Average: 1 1.06 0.00 0.42 0.30 0.00 98.22 Average: 2 0.85 0.00 0.45 0.09 0.00 98.62 Average: 3 0.89 0.00 0.49 0.55 0.00 98.07