---> uname -a: Linux 601656b92bb2 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-80 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/y_app-service-configurable_PR-80@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 661 110 0 1064 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) 06/11/20 _x86_64_ (4 CPU) 19:01:37 LINUX RESTART 19:02:01 tps rtps wtps bread/s bwrtn/s 19:03:01 171.47 84.98 86.49 10347.83 40148.49 19:04:02 3.68 0.00 3.68 0.00 116.36 19:05:01 0.46 0.00 0.46 0.00 6.64 19:06:01 0.27 0.00 0.27 0.00 2.96 19:07:01 0.17 0.00 0.17 0.00 2.01 19:08:01 0.33 0.00 0.33 0.00 5.11 19:09:01 0.30 0.02 0.28 0.13 2.98 19:10:01 0.27 0.00 0.27 0.00 3.36 19:11:01 0.35 0.00 0.35 0.00 3.66 19:12:01 0.25 0.00 0.25 0.00 2.41 19:13:01 0.35 0.00 0.35 0.00 4.70 19:14:01 0.25 0.00 0.25 0.00 2.60 Average: 14.87 7.10 7.78 863.91 3364.58 19:02:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:03:01 159744 1721812 91.51 2620 1156372 1140044 38.91 420276 1139828 120 19:04:02 161384 1720172 91.42 2620 1156376 1134412 38.72 420628 1138292 16 19:05:01 161376 1720180 91.42 2620 1156384 1134436 38.72 421900 1137268 8 19:06:01 165972 1715584 91.18 2620 1156384 1095348 37.38 418852 1136296 8 19:07:01 165944 1715612 91.18 2620 1156392 1083012 36.96 422668 1133052 8 19:08:01 164232 1717324 91.27 2620 1156456 1083096 36.96 424344 1133040 20 19:09:01 162852 1718704 91.34 2620 1156404 1083140 36.97 446924 1111768 8 19:10:01 162512 1719044 91.36 2620 1156412 1083284 36.97 442928 1116424 8 19:11:01 163168 1718388 91.33 2620 1156416 1083176 36.97 442216 1116424 16 19:12:01 163504 1718052 91.31 2620 1156424 1083140 36.97 440120 1118472 20 19:13:01 162576 1718980 91.36 2620 1156424 1083236 36.97 437540 1121672 8 19:14:01 163140 1718416 91.33 2620 1156432 1083140 36.97 436972 1121676 12 Average: 163034 1718522 91.34 2620 1156406 1097455 37.45 431281 1127018 21 19:02:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:03:01 eth0 237.83 155.38 1025.83 81.03 0.00 0.00 0.00 19:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:03:01 docker0 1.61 1.45 0.39 2.80 0.00 0.00 0.00 19:04:02 eth0 2.08 0.68 0.96 0.26 0.00 0.00 0.00 19:04:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:04:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:05:01 eth0 1.86 0.76 0.65 0.59 0.00 0.00 0.00 19:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:06:01 eth0 0.50 0.30 0.27 0.20 0.00 0.00 0.00 19:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:07:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 19:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:08:01 eth0 0.28 0.18 0.14 0.07 0.00 0.00 0.00 19:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:09:01 eth0 0.10 0.10 0.01 0.01 0.00 0.00 0.00 19:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:01 eth0 0.48 0.30 0.27 0.20 0.00 0.00 0.00 19:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:11:01 eth0 0.17 0.12 0.06 0.01 0.00 0.00 0.00 19:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:12:01 eth0 0.07 0.07 0.01 0.00 0.00 0.00 0.00 19:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:13:01 eth0 0.25 0.15 0.14 0.07 0.00 0.00 0.00 19:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:14:01 eth0 0.05 0.07 0.00 0.01 0.00 0.00 0.00 19:14:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:14:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 20.35 13.21 85.85 6.88 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.13 0.12 0.03 0.23 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) 06/11/20 _x86_64_ (4 CPU) 19:01:37 LINUX RESTART 19:02:01 CPU %user %nice %system %iowait %steal %idle 19:03:01 all 16.06 0.00 8.87 7.25 12.11 55.71 19:03:01 0 16.26 0.00 8.48 9.19 12.92 53.14 19:03:01 1 17.56 0.00 10.89 6.73 10.83 54.00 19:03:01 2 16.55 0.00 8.88 6.24 12.12 56.21 19:03:01 3 13.91 0.00 7.22 6.81 12.56 59.50 19:04:02 all 0.12 0.00 0.05 0.00 0.38 99.46 19:04:02 0 0.05 0.00 0.02 0.00 0.20 99.73 19:04:02 1 0.05 0.00 0.05 0.00 0.30 99.60 19:04:02 2 0.03 0.00 0.05 0.00 0.23 99.68 19:04:02 3 0.35 0.00 0.07 0.00 0.81 98.77 19:05:01 all 0.11 0.00 0.04 0.00 0.32 99.54 19:05:01 0 0.03 0.00 0.02 0.00 0.14 99.81 19:05:01 1 0.05 0.00 0.03 0.00 0.46 99.46 19:05:01 2 0.05 0.00 0.07 0.00 0.44 99.44 19:05:01 3 0.29 0.00 0.02 0.00 0.24 99.46 19:06:01 all 0.12 0.00 0.03 0.00 0.18 99.67 19:06:01 0 0.00 0.00 0.02 0.00 0.15 99.83 19:06:01 1 0.02 0.00 0.03 0.00 0.15 99.80 19:06:01 2 0.08 0.00 0.05 0.00 0.32 99.55 19:06:01 3 0.35 0.00 0.03 0.00 0.12 99.50 19:07:01 all 0.14 0.00 0.03 0.00 0.18 99.65 19:07:01 0 0.03 0.00 0.00 0.00 0.03 99.93 19:07:01 1 0.08 0.00 0.08 0.00 0.40 99.43 19:07:01 2 0.02 0.00 0.02 0.00 0.05 99.92 19:07:01 3 0.45 0.00 0.03 0.00 0.22 99.30 19:08:01 all 0.10 0.00 0.06 0.00 0.14 99.70 19:08:01 0 0.02 0.00 0.13 0.00 0.05 99.80 19:08:01 1 0.15 0.00 0.03 0.00 0.22 99.60 19:08:01 2 0.03 0.00 0.03 0.00 0.12 99.82 19:08:01 3 0.18 0.00 0.03 0.00 0.17 99.62 19:09:01 all 0.09 0.00 0.05 0.00 0.26 99.60 19:09:01 0 0.03 0.00 0.10 0.00 0.17 99.70 19:09:01 1 0.25 0.00 0.05 0.00 0.28 99.42 19:09:01 2 0.03 0.00 0.03 0.00 0.38 99.55 19:09:01 3 0.05 0.00 0.02 0.00 0.23 99.70 19:10:01 all 0.11 0.00 0.05 0.00 0.23 99.61 19:10:01 0 0.07 0.00 0.05 0.00 0.12 99.77 19:10:01 1 0.33 0.00 0.05 0.00 0.37 99.25 19:10:01 2 0.03 0.00 0.05 0.00 0.22 99.70 19:10:01 3 0.02 0.00 0.03 0.00 0.18 99.77 19:11:01 all 0.09 0.00 0.02 0.00 0.32 99.56 19:11:01 0 0.28 0.00 0.03 0.00 0.47 99.22 19:11:01 1 0.03 0.00 0.02 0.00 0.58 99.37 19:11:01 2 0.02 0.00 0.05 0.00 0.13 99.80 19:11:01 3 0.03 0.00 0.00 0.00 0.12 99.85 19:12:01 all 0.14 0.00 0.03 0.00 0.13 99.70 19:12:01 0 0.45 0.00 0.02 0.00 0.13 99.40 19:12:01 1 0.02 0.00 0.03 0.00 0.03 99.92 19:12:01 2 0.03 0.00 0.03 0.00 0.03 99.90 19:12:01 3 0.03 0.00 0.03 0.00 0.33 99.60 19:13:01 all 0.13 0.00 0.02 0.00 0.10 99.75 19:13:01 0 0.42 0.00 0.02 0.00 0.12 99.45 19:13:01 1 0.05 0.00 0.03 0.00 0.08 99.83 19:13:01 2 0.03 0.00 0.03 0.00 0.10 99.83 19:13:01 3 0.02 0.00 0.03 0.00 0.12 99.83 19:14:01 all 0.08 0.00 0.02 0.00 0.35 99.54 19:14:01 0 0.27 0.00 0.02 0.00 0.33 99.38 19:14:01 1 0.02 0.00 0.03 0.00 0.60 99.35 19:14:01 2 0.03 0.00 0.02 0.00 0.32 99.63 19:14:01 3 0.02 0.00 0.00 0.00 0.15 99.83 Average: all 1.40 0.00 0.75 0.59 1.20 96.06 Average: 0 1.45 0.00 0.72 0.74 1.20 95.88 Average: 1 1.50 0.00 0.91 0.54 1.16 95.89 Average: 2 1.37 0.00 0.76 0.51 1.18 96.19 Average: 3 1.28 0.00 0.61 0.55 1.25 96.31