---> uname -a: Linux 9dc54514a47f 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 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/dgexfoundry_device-sdk-go_PR-553 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-553@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 629 118 0 1089 1103 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) 07/29/20 _x86_64_ (4 CPU) 02:44:44 LINUX RESTART 02:45:01 tps rtps wtps bread/s bwrtn/s 02:46:01 163.59 76.48 87.12 9709.24 40300.67 02:47:01 1.48 0.00 1.48 0.00 28.19 02:48:01 0.38 0.00 0.38 0.00 5.51 02:49:01 0.25 0.00 0.25 0.00 2.30 02:50:01 0.32 0.00 0.32 0.00 4.86 02:51:01 0.35 0.00 0.35 0.00 4.71 02:52:01 0.35 0.15 0.20 9.60 1.78 Average: 23.83 10.95 12.88 1388.97 5766.33 02:45:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:46:01 168612 1712944 91.04 2620 1167600 1113564 38.00 419216 1132740 120 02:47:01 170604 1710952 90.93 2620 1167632 1103996 37.68 418636 1131876 16 02:48:01 174028 1707528 90.75 2620 1167640 1076240 36.73 416912 1130972 8 02:49:01 173184 1708372 90.80 2620 1167640 1076524 36.74 417972 1130972 20 02:50:01 172348 1709208 90.84 2620 1167648 1076464 36.74 421744 1128092 16 02:51:01 169876 1711680 90.97 2620 1167712 1076476 36.74 424532 1128108 24 02:52:01 166292 1715264 91.16 2620 1168028 1088532 37.15 427308 1128212 8 Average: 170706 1710850 90.93 2620 1167700 1087399 37.11 420903 1130139 30 02:45:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 02:46:01 eth0 485.88 305.08 1075.20 106.72 0.00 0.00 0.00 02:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:46:01 docker0 8.36 6.43 1.00 17.43 0.00 0.00 0.00 02:47:01 eth0 4.16 2.33 3.55 0.54 0.00 0.00 0.00 02:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:48:01 eth0 0.72 0.08 0.06 0.01 0.00 0.00 0.00 02:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:49:01 eth0 1.20 0.30 0.33 0.17 0.00 0.00 0.00 02:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:50:01 eth0 0.60 0.50 0.28 0.24 0.00 0.00 0.00 02:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:51:01 eth0 0.23 0.17 0.08 0.07 0.00 0.00 0.00 02:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:52:01 eth0 1.67 1.07 1.67 0.52 0.00 0.00 0.00 02:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:52:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 70.67 44.24 154.51 15.47 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.19 0.92 0.14 2.49 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) 07/29/20 _x86_64_ (4 CPU) 02:44:44 LINUX RESTART 02:45:01 CPU %user %nice %system %iowait %steal %idle 02:46:01 all 15.16 0.00 6.81 6.25 0.02 71.75 02:46:01 0 17.39 0.00 7.01 6.51 0.02 69.07 02:46:01 1 14.51 0.00 5.87 5.57 0.03 74.01 02:46:01 2 15.04 0.00 7.40 5.64 0.02 71.90 02:46:01 3 13.74 0.00 6.95 7.27 0.02 72.02 02:47:01 all 0.18 0.00 0.04 0.00 0.00 99.78 02:47:01 0 0.05 0.00 0.05 0.00 0.00 99.90 02:47:01 1 0.08 0.00 0.03 0.00 0.00 99.88 02:47:01 2 0.03 0.00 0.07 0.00 0.02 99.88 02:47:01 3 0.52 0.00 0.03 0.00 0.00 99.45 02:48:01 all 0.14 0.00 0.02 0.00 0.00 99.83 02:48:01 0 0.03 0.00 0.02 0.00 0.00 99.95 02:48:01 1 0.05 0.00 0.02 0.00 0.00 99.93 02:48:01 2 0.05 0.00 0.03 0.00 0.00 99.92 02:48:01 3 0.45 0.00 0.02 0.00 0.00 99.53 02:49:01 all 0.18 0.00 0.02 0.00 0.00 99.80 02:49:01 0 0.03 0.00 0.02 0.00 0.00 99.95 02:49:01 1 0.05 0.00 0.02 0.00 0.00 99.93 02:49:01 2 0.12 0.00 0.05 0.00 0.00 99.83 02:49:01 3 0.53 0.00 0.03 0.00 0.00 99.43 02:50:01 all 0.17 0.00 0.04 0.00 0.00 99.79 02:50:01 0 0.05 0.00 0.02 0.00 0.00 99.93 02:50:01 1 0.08 0.00 0.07 0.00 0.00 99.85 02:50:01 2 0.03 0.00 0.02 0.00 0.00 99.95 02:50:01 3 0.52 0.00 0.02 0.00 0.00 99.47 02:51:01 all 0.16 0.00 0.05 0.00 0.00 99.78 02:51:01 0 0.05 0.00 0.03 0.00 0.00 99.92 02:51:01 1 0.03 0.00 0.15 0.00 0.00 99.82 02:51:01 2 0.03 0.00 0.02 0.00 0.00 99.95 02:51:01 3 0.52 0.00 0.03 0.00 0.00 99.45 02:52:01 all 0.20 0.00 0.04 0.00 0.00 99.75 02:52:01 0 0.08 0.00 0.07 0.00 0.00 99.85 02:52:01 1 0.10 0.00 0.05 0.00 0.00 99.85 02:52:01 2 0.05 0.00 0.03 0.00 0.00 99.92 02:52:01 3 0.55 0.00 0.02 0.00 0.00 99.43 Average: all 2.30 0.00 1.00 0.89 0.00 95.81 Average: 0 2.51 0.00 1.02 0.92 0.00 95.54 Average: 1 2.12 0.00 0.88 0.79 0.00 96.20 Average: 2 2.18 0.00 1.08 0.80 0.00 95.92 Average: 3 2.38 0.00 1.01 1.03 0.00 95.58