---> uname -a: Linux c2680d57838b 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 42.7G 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 42.7G 14% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.7G 14% /etc/hostname /dev/vda1 50.0G 7.2G 42.7G 14% /etc/hosts /dev/vda1 50.0G 7.2G 42.7G 14% /w/workspace/dgexfoundry_device-rest-go_PR-37@tmp /dev/vda1 50.0G 7.2G 42.7G 14% /var/log/sa /dev/vda1 50.0G 7.2G 42.7G 14% /w/workspace/dgexfoundry_device-rest-go_PR-37 ---> free -m: total used free shared buff/cache available Mem: 1837 675 107 0 1054 1056 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) 08/31/20 _x86_64_ (4 CPU) 19:46:48 LINUX RESTART 19:48:01 tps rtps wtps bread/s bwrtn/s 19:49:01 10.67 4.52 6.15 1029.43 636.74 19:50:02 0.40 0.00 0.40 0.00 6.08 19:51:01 0.36 0.00 0.36 0.00 5.44 19:52:01 0.27 0.00 0.27 0.00 3.46 19:53:01 0.42 0.00 0.42 0.00 6.59 19:54:01 0.18 0.02 0.17 0.13 1.65 Average: 2.06 0.76 1.30 172.30 110.43 19:48:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:49:01 163316 1718240 91.32 2620 1146864 1108648 37.84 415532 1142776 20 19:50:02 170288 1711268 90.95 2620 1146868 1066296 36.39 413708 1139180 16 19:51:01 170116 1711440 90.96 2620 1146872 1066320 36.39 413612 1139180 8 19:52:01 169312 1712244 91.00 2620 1146876 1066200 36.39 419092 1134456 16 19:53:01 169064 1712492 91.01 2620 1146880 1066176 36.39 422072 1131848 12 19:54:01 169804 1711752 90.98 2620 1146892 1066068 36.38 428092 1125388 12 Average: 168650 1712906 91.04 2620 1146875 1073285 36.63 418685 1135471 14 19:48:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:49:01 eth0 90.71 78.19 161.12 148.79 0.00 0.00 0.00 19:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:49:01 docker0 40.35 31.42 3.38 131.60 0.00 0.00 0.00 19:50:02 eth0 1.75 0.37 0.42 0.21 0.00 0.00 0.00 19:50:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:51:01 eth0 1.17 0.37 0.33 0.21 0.00 0.00 0.00 19:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:52:01 eth0 0.77 0.38 0.38 0.20 0.00 0.00 0.00 19:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:53:01 eth0 1.12 0.52 0.45 0.27 0.00 0.00 0.00 19:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:54:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 19:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 15.99 13.37 27.23 25.05 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 6.75 5.26 0.57 22.02 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) 08/31/20 _x86_64_ (4 CPU) 19:46:48 LINUX RESTART 19:48:01 CPU %user %nice %system %iowait %steal %idle 19:49:01 all 1.85 0.00 0.97 0.10 1.88 95.20 19:49:01 0 2.11 0.00 0.98 0.08 2.06 94.75 19:49:01 1 1.96 0.00 1.09 0.10 1.56 95.30 19:49:01 2 1.98 0.00 1.07 0.17 1.95 94.84 19:49:01 3 1.36 0.00 0.73 0.07 1.96 95.88 19:50:02 all 0.12 0.00 0.07 0.00 0.27 99.53 19:50:02 0 0.35 0.00 0.07 0.00 0.25 99.33 19:50:02 1 0.05 0.00 0.10 0.00 0.15 99.70 19:50:02 2 0.07 0.00 0.10 0.00 0.25 99.58 19:50:02 3 0.03 0.00 0.03 0.00 0.43 99.50 19:51:01 all 0.12 0.00 0.03 0.00 0.17 99.68 19:51:01 0 0.36 0.00 0.03 0.00 0.15 99.46 19:51:01 1 0.03 0.00 0.03 0.00 0.07 99.86 19:51:01 2 0.05 0.00 0.03 0.00 0.29 99.63 19:51:01 3 0.03 0.00 0.02 0.00 0.17 99.78 19:52:01 all 0.12 0.00 0.03 0.00 0.10 99.75 19:52:01 0 0.02 0.00 0.03 0.00 0.03 99.92 19:52:01 1 0.02 0.00 0.03 0.00 0.05 99.90 19:52:01 2 0.05 0.00 0.03 0.00 0.17 99.75 19:52:01 3 0.42 0.00 0.02 0.00 0.17 99.40 19:53:01 all 0.14 0.00 0.07 0.00 0.10 99.69 19:53:01 0 0.02 0.00 0.03 0.00 0.08 99.87 19:53:01 1 0.05 0.00 0.18 0.00 0.07 99.70 19:53:01 2 0.03 0.00 0.02 0.00 0.05 99.90 19:53:01 3 0.47 0.00 0.03 0.00 0.22 99.28 19:54:01 all 0.13 0.00 0.03 0.00 0.22 99.62 19:54:01 0 0.02 0.00 0.02 0.00 0.07 99.90 19:54:01 1 0.03 0.00 0.08 0.00 0.10 99.78 19:54:01 2 0.07 0.00 0.02 0.00 0.42 99.50 19:54:01 3 0.43 0.00 0.02 0.00 0.28 99.27 Average: all 0.42 0.00 0.20 0.02 0.46 98.91 Average: 0 0.48 0.00 0.19 0.01 0.44 98.87 Average: 1 0.36 0.00 0.25 0.02 0.33 99.04 Average: 2 0.38 0.00 0.21 0.03 0.52 98.87 Average: 3 0.46 0.00 0.14 0.01 0.54 98.85