---> uname -a: Linux 97901082fbf0 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 6.9G 43.0G 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 6.9G 43.0G 14% /etc/resolv.conf /dev/vda1 50.0G 6.9G 43.0G 14% /etc/hostname /dev/vda1 50.0G 6.9G 43.0G 14% /etc/hosts /dev/vda1 50.0G 6.9G 43.0G 14% /w/workspace/_app-service-configurable_PR-117 /dev/vda1 50.0G 6.9G 43.0G 14% /w/workspace/_app-service-configurable_PR-117@tmp /dev/vda1 50.0G 6.9G 43.0G 14% /var/log/sa-host ---> free -m: total used free shared buff/cache available Mem: 1837 650 135 0 1051 1079 Swap: 1023 0 1023 ---> 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) 09/10/20 _x86_64_ (4 CPU) 19:07:06 LINUX RESTART (4 CPU) 19:08:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:09:01 28.17 10.92 17.25 0.00 4486.20 2384.32 0.00 19:10:01 1.70 0.00 1.70 0.00 0.00 31.63 0.00 19:11:01 0.23 0.00 0.23 0.00 0.00 3.60 0.00 19:12:01 0.23 0.00 0.23 0.00 0.00 2.70 0.00 19:13:01 41.77 41.50 0.27 0.00 4041.03 3.30 0.00 Average: 14.38 10.48 3.89 0.00 1696.51 478.94 0.00 19:08:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:09:01 180452 0 571404 30.37 2620 1127080 1113388 38.00 399596 1142728 24 19:10:01 186080 0 565772 30.07 2620 1127084 1071608 36.57 399464 1137888 20 19:11:01 185076 0 566768 30.12 2620 1127092 1071836 36.58 401320 1137152 8 19:12:01 184732 0 567112 30.14 2620 1127092 1071764 36.58 404892 1134424 8 19:13:01 104588 0 569832 30.29 2620 1204516 1073472 36.64 410640 1209308 76 Average: 168186 0 568178 30.20 2620 1142573 1080414 36.87 403182 1152300 27 19:08:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:09:01 eth0 74.39 60.06 342.79 35.52 0.00 0.00 0.00 0.00 19:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:09:01 docker0 1.66 1.37 0.30 3.03 0.00 0.00 0.00 0.00 19:10:01 eth0 0.72 0.10 0.06 0.01 0.00 0.00 0.00 0.00 19:10:01 lo 0.00 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 0.00 19:11:01 eth0 0.87 0.52 0.30 0.21 0.00 0.00 0.00 0.00 19:11:01 lo 0.00 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 0.00 19:12:01 eth0 0.70 0.28 0.29 0.20 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 0.00 19:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:13:01 eth0 5.23 3.01 4.95 1.89 0.00 0.00 0.00 0.00 19:13:01 lo 0.00 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 0.00 Average: eth0 16.19 12.64 68.79 7.48 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 0.33 0.27 0.06 0.60 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) 09/10/20 _x86_64_ (4 CPU) 19:07:06 LINUX RESTART (4 CPU) 19:08:02 CPU %user %nice %system %iowait %steal %idle 19:09:01 all 2.36 0.00 1.31 0.54 0.03 95.75 19:09:01 0 2.60 0.00 1.55 0.29 0.03 95.52 19:09:01 1 2.30 0.00 1.04 0.05 0.03 96.58 19:09:01 2 2.23 0.00 1.31 0.19 0.05 96.22 19:09:01 3 2.30 0.00 1.36 1.65 0.02 94.67 19:10:01 all 0.17 0.00 0.03 0.00 0.00 99.79 19:10:01 0 0.02 0.00 0.02 0.00 0.00 99.97 19:10:01 1 0.05 0.00 0.03 0.00 0.00 99.92 19:10:01 2 0.57 0.00 0.05 0.00 0.00 99.38 19:10:01 3 0.05 0.00 0.03 0.00 0.02 99.90 19:11:01 all 0.16 0.00 0.03 0.00 0.00 99.80 19:11:01 0 0.05 0.00 0.03 0.00 0.00 99.92 19:11:01 1 0.05 0.00 0.03 0.00 0.00 99.92 19:11:01 2 0.48 0.00 0.03 0.00 0.02 99.47 19:11:01 3 0.07 0.00 0.02 0.00 0.00 99.92 19:12:01 all 0.12 0.00 0.04 0.00 0.01 99.83 19:12:01 0 0.03 0.00 0.03 0.00 0.02 99.92 19:12:01 1 0.03 0.00 0.03 0.00 0.02 99.92 19:12:01 2 0.40 0.00 0.07 0.00 0.02 99.52 19:12:01 3 0.00 0.00 0.03 0.00 0.00 99.97 19:13:01 all 0.78 0.00 0.25 0.86 0.01 98.09 19:13:01 0 0.93 0.00 0.22 0.35 0.00 98.50 19:13:01 1 0.27 0.00 0.10 0.02 0.02 99.60 19:13:01 2 1.22 0.00 0.43 2.02 0.02 96.31 19:13:01 3 0.70 0.00 0.25 1.07 0.02 97.97 Average: all 0.71 0.00 0.33 0.28 0.01 98.67 Average: 0 0.72 0.00 0.36 0.13 0.01 98.78 Average: 1 0.53 0.00 0.24 0.01 0.01 99.20 Average: 2 0.97 0.00 0.38 0.44 0.02 98.19 Average: 3 0.62 0.00 0.33 0.54 0.01 98.50