---> uname -a: Linux fab3e0092377 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 8.2G 41.8G 16% / 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 8.2G 41.8G 16% /etc/resolv.conf /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hostname /dev/vda1 50.0G 8.2G 41.8G 16% /etc/hosts /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/_app-service-configurable_master /dev/vda1 50.0G 8.2G 41.8G 16% /w/workspace/_app-service-configurable_master@tmp /dev/vda1 50.0G 8.2G 41.8G 16% /var/log/sa-host ---> free -m: total used free shared buff/cache available Mem: 1837 789 119 0 927 983 Swap: 1023 3 1020 ---> 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 24: eth0@if25: 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) 09/05/20 _x86_64_ (4 CPU) 00:30:20 LINUX RESTART (4 CPU) 00:31:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:32:02 49.73 14.57 35.16 0.00 4923.99 3765.61 0.00 00:33:01 1.54 0.00 1.54 0.00 0.00 28.79 0.00 00:34:01 0.32 0.00 0.32 0.00 0.00 4.68 0.00 00:35:01 0.18 0.00 0.18 0.00 0.00 2.01 0.00 00:36:01 0.23 0.00 0.23 0.00 0.00 3.28 0.00 00:37:01 0.33 0.00 0.33 0.00 0.00 4.23 0.00 00:38:01 250.40 131.55 118.85 0.00 7255.41 36299.45 0.00 00:39:01 210.55 75.32 135.23 0.00 4443.73 32799.78 0.00 Average: 64.31 27.75 36.57 0.00 2082.82 9135.51 0.00 00:31:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:32:02 162112 0 561672 29.85 2620 1155152 1120760 38.25 430276 1127240 20 00:33:01 167608 0 556172 29.56 2620 1155156 1080152 36.86 429904 1123292 8 00:34:01 168400 0 555372 29.52 2620 1155164 1079996 36.86 432724 1119792 12 00:35:01 166536 0 557236 29.62 2620 1155164 1080140 36.86 435220 1119156 16 00:36:01 167188 0 556580 29.58 2620 1155168 1080080 36.86 437156 1117104 16 00:37:01 167136 0 556624 29.58 2620 1155176 1079996 36.86 440120 1113920 12 00:38:01 258920 0 629488 33.46 2596 990552 1309348 44.69 556556 867460 56 00:39:01 202572 0 759260 40.35 1548 918176 1418032 48.39 629076 761620 24 Average: 182559 0 591550 31.44 2483 1104964 1156063 39.45 473879 1043698 20 00:31:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:32:02 eth0 315.13 200.42 686.67 76.85 0.00 0.00 0.00 0.00 00:32:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:32:02 docker0 1.46 1.28 0.27 2.89 0.00 0.00 0.00 0.00 00:33:01 eth0 2.83 1.05 2.95 0.25 0.00 0.00 0.00 0.00 00:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:34:01 eth0 0.93 0.07 0.09 0.01 0.00 0.00 0.00 0.00 00:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:35:01 eth0 1.12 0.48 0.56 0.39 0.00 0.00 0.00 0.00 00:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:36:01 eth0 0.20 0.15 0.08 0.04 0.00 0.00 0.00 0.00 00:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:37:01 eth0 0.15 0.10 0.01 0.03 0.00 0.00 0.00 0.00 00:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:38:01 eth0 510.67 437.08 4383.28 48.75 0.00 0.00 0.00 0.00 00:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:38:01 vethf95880d 0.27 0.25 0.04 0.13 0.00 0.00 0.00 0.00 00:38:01 docker0 56.54 59.49 4.98 408.91 0.00 0.00 0.00 0.00 00:39:01 veth77bd6fb 0.00 0.05 0.00 0.00 0.00 0.00 0.00 0.00 00:39:01 eth0 429.06 375.62 3458.47 67.34 0.00 0.00 0.00 0.00 00:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:39:01 docker0 21.32 24.93 1.37 198.56 0.00 0.00 0.00 0.00 Average: veth77bd6fb 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 157.88 127.17 1069.07 24.27 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 9.94 10.74 0.83 76.47 0.00 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) 09/05/20 _x86_64_ (4 CPU) 00:30:20 LINUX RESTART (4 CPU) 00:31:01 CPU %user %nice %system %iowait %steal %idle 00:32:02 all 6.34 0.00 2.32 1.25 0.01 90.08 00:32:02 0 4.96 0.00 2.75 0.17 0.02 92.10 00:32:02 1 7.04 0.00 1.96 0.82 0.02 90.17 00:32:02 2 6.35 0.00 2.31 2.24 0.02 89.08 00:32:02 3 7.02 0.00 2.26 1.76 0.00 88.96 00:33:01 all 0.21 0.00 0.05 0.00 0.00 99.74 00:33:01 0 0.07 0.00 0.07 0.00 0.00 99.86 00:33:01 1 0.07 0.00 0.05 0.00 0.00 99.88 00:33:01 2 0.15 0.00 0.03 0.00 0.00 99.81 00:33:01 3 0.56 0.00 0.05 0.00 0.00 99.39 00:34:01 all 0.13 0.00 0.03 0.00 0.00 99.84 00:34:01 0 0.00 0.00 0.02 0.00 0.00 99.98 00:34:01 1 0.03 0.00 0.02 0.00 0.00 99.95 00:34:01 2 0.05 0.00 0.05 0.00 0.00 99.90 00:34:01 3 0.42 0.00 0.05 0.00 0.00 99.53 00:35:01 all 0.16 0.00 0.04 0.00 0.00 99.80 00:35:01 0 0.03 0.00 0.05 0.00 0.00 99.92 00:35:01 1 0.03 0.00 0.05 0.00 0.00 99.92 00:35:01 2 0.05 0.00 0.03 0.00 0.02 99.90 00:35:01 3 0.52 0.00 0.03 0.00 0.00 99.45 00:36:01 all 0.16 0.00 0.04 0.00 0.00 99.80 00:36:01 0 0.02 0.00 0.02 0.00 0.00 99.97 00:36:01 1 0.03 0.00 0.02 0.00 0.00 99.95 00:36:01 2 0.07 0.00 0.10 0.00 0.00 99.83 00:36:01 3 0.52 0.00 0.02 0.00 0.00 99.47 00:37:01 all 0.15 0.00 0.04 0.00 0.00 99.81 00:37:01 0 0.00 0.00 0.00 0.00 0.00 100.00 00:37:01 1 0.05 0.00 0.03 0.00 0.00 99.92 00:37:01 2 0.03 0.00 0.12 0.00 0.00 99.85 00:37:01 3 0.52 0.00 0.02 0.00 0.00 99.47 00:38:01 all 9.91 0.00 6.48 3.38 0.04 80.20 00:38:01 0 10.36 0.00 6.56 3.58 0.05 79.44 00:38:01 1 9.25 0.00 6.21 2.47 0.03 82.04 00:38:01 2 9.37 0.00 6.99 5.37 0.03 78.23 00:38:01 3 10.68 0.00 6.14 2.08 0.03 81.07 00:39:01 all 10.73 0.00 7.89 3.04 0.04 78.30 00:39:01 0 9.55 0.00 8.00 2.10 0.03 80.33 00:39:01 1 12.49 0.00 8.13 4.19 0.05 75.14 00:39:01 2 9.69 0.00 7.09 2.88 0.03 80.31 00:39:01 3 11.20 0.00 8.33 3.00 0.03 77.43 Average: all 3.45 0.00 2.09 0.95 0.01 93.49 Average: 0 3.09 0.00 2.16 0.72 0.01 94.01 Average: 1 3.60 0.00 2.04 0.93 0.01 93.42 Average: 2 3.20 0.00 2.08 1.30 0.01 93.40 Average: 3 3.90 0.00 2.09 0.85 0.01 93.14