---> uname -a: Linux 97a4c82beb9c 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: 2933.396 BogoMIPS: 5866.79 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/dgexfoundry_device-sdk-go_PR-550 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-550@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 623 125 0 1088 1109 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) 07/15/20 _x86_64_ (4 CPU) 03:51:38 LINUX RESTART 03:52:02 tps rtps wtps bread/s bwrtn/s 03:53:01 98.05 40.54 57.52 7417.47 11168.86 03:54:01 1.52 0.00 1.52 0.00 31.11 03:55:01 0.40 0.00 0.40 0.00 5.88 03:56:01 0.25 0.00 0.25 0.00 2.56 03:57:01 0.15 0.00 0.15 0.00 1.88 03:58:01 0.38 0.00 0.38 0.00 5.16 03:59:01 0.30 0.02 0.28 0.13 2.72 Average: 14.25 5.71 8.53 1045.15 1580.77 03:52:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:53:01 170908 1710648 90.92 2620 1170428 1097996 37.47 406956 1142520 120 03:54:01 176176 1705380 90.64 2620 1170576 1066296 36.39 404512 1140812 20 03:55:01 177472 1704084 90.57 2620 1170584 1056016 36.04 404496 1139948 8 03:56:01 174952 1706604 90.70 2620 1170584 1056220 36.05 407480 1139324 12 03:57:01 175068 1706488 90.70 2620 1170588 1056208 36.05 410220 1136376 8 03:58:01 173092 1708464 90.80 2620 1170596 1058636 36.13 412312 1136376 8 03:59:01 173544 1708012 90.78 2620 1170600 1058680 36.13 434548 1113868 8 Average: 174459 1707097 90.73 2620 1170565 1064293 36.32 411503 1135603 26 03:52:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 03:53:01 eth0 452.98 271.63 1082.71 111.13 0.00 0.00 0.00 03:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:53:01 docker0 8.65 7.18 1.26 18.21 0.00 0.00 0.00 03:54:01 eth0 3.21 1.60 2.79 0.11 0.00 0.00 0.00 03:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:55:01 eth0 0.63 0.08 0.06 0.01 0.00 0.00 0.00 03:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:56:01 eth0 1.13 0.47 0.32 0.21 0.00 0.00 0.00 03:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:57:01 eth0 0.48 0.45 0.27 0.21 0.00 0.00 0.00 03:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:58:01 eth0 0.35 0.27 0.15 0.08 0.00 0.00 0.00 03:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:59:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 03:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 64.67 38.70 153.07 15.75 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.22 1.01 0.18 2.57 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) 07/15/20 _x86_64_ (4 CPU) 03:51:38 LINUX RESTART 03:52:02 CPU %user %nice %system %iowait %steal %idle 03:53:01 all 13.43 0.00 4.51 4.34 0.03 77.69 03:53:01 0 13.92 0.00 5.25 2.10 0.02 78.72 03:53:01 1 12.22 0.00 5.00 9.19 0.02 73.57 03:53:01 2 13.61 0.00 4.21 4.48 0.03 77.67 03:53:01 3 13.98 0.00 3.56 1.59 0.03 80.84 03:54:01 all 0.16 0.00 0.05 0.00 0.00 99.79 03:54:01 0 0.07 0.00 0.05 0.00 0.00 99.88 03:54:01 1 0.32 0.00 0.03 0.00 0.00 99.65 03:54:01 2 0.02 0.00 0.05 0.00 0.00 99.93 03:54:01 3 0.25 0.00 0.03 0.00 0.00 99.72 03:55:01 all 0.17 0.00 0.02 0.00 0.00 99.81 03:55:01 0 0.05 0.00 0.03 0.00 0.00 99.92 03:55:01 1 0.05 0.00 0.02 0.00 0.00 99.93 03:55:01 2 0.05 0.00 0.02 0.00 0.00 99.93 03:55:01 3 0.53 0.00 0.02 0.00 0.00 99.45 03:56:01 all 0.15 0.00 0.02 0.00 0.00 99.83 03:56:01 0 0.03 0.00 0.03 0.00 0.00 99.93 03:56:01 1 0.02 0.00 0.02 0.00 0.00 99.97 03:56:01 2 0.03 0.00 0.03 0.00 0.00 99.93 03:56:01 3 0.52 0.00 0.02 0.00 0.00 99.47 03:57:01 all 0.13 0.00 0.04 0.00 0.00 99.83 03:57:01 0 0.05 0.00 0.02 0.00 0.00 99.93 03:57:01 1 0.02 0.00 0.07 0.00 0.00 99.92 03:57:01 2 0.03 0.00 0.02 0.00 0.00 99.95 03:57:01 3 0.40 0.00 0.05 0.00 0.00 99.55 03:58:01 all 0.03 0.00 0.03 0.00 0.00 99.95 03:58:01 0 0.03 0.00 0.02 0.00 0.00 99.95 03:58:01 1 0.03 0.00 0.02 0.00 0.00 99.95 03:58:01 2 0.03 0.00 0.03 0.00 0.00 99.93 03:58:01 3 0.03 0.00 0.02 0.00 0.00 99.95 03:59:01 all 0.13 0.00 0.04 0.00 0.00 99.83 03:59:01 0 0.02 0.00 0.02 0.00 0.00 99.97 03:59:01 1 0.03 0.00 0.10 0.00 0.00 99.87 03:59:01 2 0.03 0.00 0.03 0.00 0.00 99.93 03:59:01 3 0.43 0.00 0.02 0.00 0.00 99.55 Average: all 1.99 0.00 0.66 0.61 0.00 96.73 Average: 0 1.99 0.00 0.76 0.29 0.00 96.96 Average: 1 1.78 0.00 0.74 1.29 0.00 96.19 Average: 2 1.94 0.00 0.62 0.63 0.00 96.81 Average: 3 2.27 0.00 0.52 0.22 0.00 96.98