---> uname -a: Linux 2fc39cf76b00 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 42.8G 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-549@tmp /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-549 ---> free -m: total used free shared buff/cache available Mem: 1837 669 131 0 1035 1061 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) 02:44:51 LINUX RESTART 02:46:01 tps rtps wtps bread/s bwrtn/s 02:47:01 42.54 11.72 30.82 4524.73 2505.74 02:48:02 1.66 0.00 1.66 0.00 32.65 02:49:01 0.30 0.00 0.30 0.00 3.08 02:50:01 0.28 0.00 0.28 0.00 3.06 02:51:01 0.32 0.00 0.32 0.00 4.05 02:52:01 0.25 0.00 0.25 0.00 2.05 02:53:01 0.32 0.02 0.30 0.13 3.51 Average: 6.55 1.68 4.86 648.55 366.07 02:46:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:47:01 149600 1731956 92.05 2620 1129748 1190284 40.62 468992 1100284 120 02:48:02 163916 1717640 91.29 2620 1129752 1067136 36.42 461080 1096204 16 02:49:01 163260 1718296 91.32 2620 1129760 1067280 36.42 462008 1096204 12 02:50:01 162600 1718956 91.36 2620 1129760 1067280 36.42 466124 1093192 16 02:51:01 163364 1718192 91.32 2620 1129820 1067172 36.42 467552 1091208 20 02:52:01 163856 1717700 91.29 2620 1129772 1067064 36.42 466972 1091196 12 02:53:01 163612 1717944 91.30 2620 1129784 1067112 36.42 459172 1099160 8 Average: 161458 1720098 91.42 2620 1129771 1084761 37.02 464557 1095350 29 02:46:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 02:47:01 eth0 83.20 73.09 482.10 64.08 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 7.68 6.87 0.95 17.45 0.00 0.00 0.00 02:48:02 eth0 1.05 0.28 0.40 0.03 0.00 0.00 0.00 02:48:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:48:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:49:01 eth0 1.10 0.32 0.33 0.20 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 0.48 0.35 0.27 0.20 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 0.25 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 0.10 0.08 0.01 0.01 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 02:53:01 eth0 0.18 0.12 0.07 0.01 0.00 0.00 0.00 02:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 12.38 10.66 69.27 9.26 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.10 0.98 0.14 2.50 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) 02:44:51 LINUX RESTART 02:46:01 CPU %user %nice %system %iowait %steal %idle 02:47:01 all 3.38 0.00 2.10 1.38 11.17 81.97 02:47:01 0 2.96 0.00 2.34 1.10 11.95 81.65 02:47:01 1 2.90 0.00 1.77 0.37 11.12 83.84 02:47:01 2 3.76 0.00 1.97 3.04 10.40 80.83 02:47:01 3 3.91 0.00 2.30 1.05 11.18 81.55 02:48:02 all 0.16 0.00 0.05 0.00 0.06 99.73 02:48:02 0 0.05 0.00 0.05 0.00 0.05 99.85 02:48:02 1 0.48 0.00 0.07 0.00 0.12 99.33 02:48:02 2 0.05 0.00 0.02 0.00 0.02 99.92 02:48:02 3 0.08 0.00 0.07 0.00 0.05 99.80 02:49:01 all 0.16 0.00 0.03 0.00 0.34 99.47 02:49:01 0 0.00 0.00 0.02 0.00 0.29 99.70 02:49:01 1 0.51 0.00 0.07 0.00 0.25 99.17 02:49:01 2 0.05 0.00 0.03 0.00 0.14 99.78 02:49:01 3 0.05 0.00 0.03 0.00 0.67 99.24 02:50:01 all 0.07 0.00 0.03 0.00 0.61 99.28 02:50:01 0 0.02 0.00 0.03 0.00 0.18 99.77 02:50:01 1 0.10 0.00 0.02 0.00 0.61 99.27 02:50:01 2 0.15 0.00 0.03 0.00 0.99 98.83 02:50:01 3 0.05 0.00 0.03 0.00 0.65 99.27 02:51:01 all 0.13 0.00 0.05 0.00 0.42 99.39 02:51:01 0 0.00 0.00 0.02 0.00 0.28 99.70 02:51:01 1 0.10 0.00 0.07 0.00 0.58 99.25 02:51:01 2 0.42 0.00 0.03 0.00 0.55 99.00 02:51:01 3 0.02 0.00 0.10 0.00 0.28 99.60 02:52:01 all 0.12 0.00 0.03 0.00 0.16 99.69 02:52:01 0 0.00 0.00 0.00 0.00 0.08 99.92 02:52:01 1 0.03 0.00 0.03 0.00 0.17 99.77 02:52:01 2 0.43 0.00 0.05 0.00 0.35 99.17 02:52:01 3 0.02 0.00 0.02 0.00 0.02 99.95 02:53:01 all 0.14 0.00 0.03 0.00 0.04 99.79 02:53:01 0 0.02 0.00 0.02 0.02 0.07 99.88 02:53:01 1 0.07 0.00 0.05 0.00 0.05 99.83 02:53:01 2 0.43 0.00 0.02 0.00 0.03 99.52 02:53:01 3 0.03 0.00 0.03 0.00 0.00 99.93 Average: all 0.61 0.00 0.34 0.20 1.88 96.97 Average: 0 0.45 0.00 0.37 0.17 1.91 97.10 Average: 1 0.61 0.00 0.31 0.05 1.90 97.12 Average: 2 0.77 0.00 0.31 0.44 1.81 96.66 Average: 3 0.61 0.00 0.38 0.15 1.87 96.99