---> uname -a: Linux 5d7f4e546fe8 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 /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 ---> free -m: total used free shared buff/cache available Mem: 1837 673 114 0 1049 1057 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) 07/15/20 _x86_64_ (4 CPU) 22:43:09 LINUX RESTART 22:44:01 tps rtps wtps bread/s bwrtn/s 22:45:01 27.89 9.04 18.85 4297.57 2439.14 22:46:01 1.48 0.00 1.48 0.00 27.99 22:47:01 0.22 0.00 0.22 0.00 2.07 22:48:01 0.30 0.00 0.30 0.00 3.65 22:49:01 0.20 0.00 0.20 0.00 2.65 22:50:01 0.37 0.02 0.35 0.13 4.83 22:51:01 166.83 108.64 58.19 8106.16 19909.06 Average: 28.19 16.82 11.37 1772.32 3199.09 22:44:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:45:01 159116 1722440 91.54 2620 1126152 1120840 38.25 442112 1119988 20 22:46:01 165100 1716456 91.23 2620 1126156 1081332 36.90 440136 1117088 16 22:47:01 165376 1716180 91.21 2620 1126164 1081332 36.90 440140 1117092 8 22:48:01 161324 1720232 91.43 2620 1126164 1081576 36.91 444960 1116464 8 22:49:01 161480 1720076 91.42 2620 1126168 1081592 36.91 451576 1109476 12 22:50:01 162144 1719412 91.38 2620 1126180 1081460 36.91 452616 1108264 12 22:51:01 129920 1751636 93.10 2620 1072208 1226180 41.85 515320 1032896 292 Average: 157780 1723776 91.61 2620 1118456 1107759 37.81 455266 1103038 53 22:44:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:45:01 eth0 61.97 49.60 351.31 43.95 0.00 0.00 0.00 22:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:45:01 docker0 7.99 6.24 1.20 17.89 0.00 0.00 0.00 22:46:01 eth0 0.20 0.08 0.01 0.01 0.00 0.00 0.00 22:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:47:01 eth0 1.15 0.07 0.11 0.01 0.00 0.00 0.00 22:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:48:01 eth0 1.75 0.35 0.38 0.17 0.00 0.00 0.00 22:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:49:01 eth0 1.15 0.73 0.67 0.49 0.00 0.00 0.00 22:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:01 eth0 0.75 0.08 0.06 0.01 0.00 0.00 0.00 22:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:51:01 eth0 106.64 69.65 2337.50 13.44 0.00 0.00 0.00 22:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:51:01 veth378588e 0.22 0.28 0.40 0.10 0.00 0.00 0.00 22:51:01 docker0 8.21 6.43 1.60 17.98 0.00 0.00 0.00 Average: eth0 24.81 17.23 384.36 8.30 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: veth378588e 0.03 0.04 0.06 0.01 0.00 0.00 0.00 Average: docker0 1.17 0.92 0.23 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) 22:43:09 LINUX RESTART 22:44:01 CPU %user %nice %system %iowait %steal %idle 22:45:01 all 2.46 0.00 1.42 0.60 0.01 95.51 22:45:01 0 2.96 0.00 1.44 1.52 0.02 94.07 22:45:01 1 2.37 0.00 1.20 0.22 0.02 96.19 22:45:01 2 2.22 0.00 1.69 0.32 0.00 95.77 22:45:01 3 2.32 0.00 1.30 0.35 0.02 96.00 22:46:01 all 0.14 0.00 0.04 0.00 0.00 99.82 22:46:01 0 0.02 0.00 0.02 0.00 0.00 99.97 22:46:01 1 0.47 0.00 0.05 0.00 0.00 99.48 22:46:01 2 0.03 0.00 0.07 0.00 0.00 99.90 22:46:01 3 0.02 0.00 0.03 0.00 0.00 99.95 22:47:01 all 0.14 0.00 0.03 0.00 0.00 99.84 22:47:01 0 0.02 0.00 0.03 0.00 0.00 99.95 22:47:01 1 0.47 0.00 0.03 0.00 0.00 99.50 22:47:01 2 0.05 0.00 0.05 0.00 0.02 99.88 22:47:01 3 0.03 0.00 0.02 0.00 0.00 99.95 22:48:01 all 0.15 0.00 0.03 0.00 0.00 99.82 22:48:01 0 0.03 0.00 0.03 0.00 0.00 99.93 22:48:01 1 0.47 0.00 0.03 0.00 0.00 99.50 22:48:01 2 0.05 0.00 0.03 0.00 0.00 99.92 22:48:01 3 0.03 0.00 0.02 0.00 0.00 99.95 22:49:01 all 0.10 0.00 0.03 0.00 0.00 99.87 22:49:01 0 0.03 0.00 0.00 0.00 0.00 99.97 22:49:01 1 0.30 0.00 0.07 0.00 0.00 99.63 22:49:01 2 0.03 0.00 0.00 0.00 0.00 99.97 22:49:01 3 0.03 0.00 0.05 0.00 0.00 99.92 22:50:01 all 0.15 0.00 0.04 0.00 0.00 99.80 22:50:01 0 0.02 0.00 0.03 0.02 0.00 99.93 22:50:01 1 0.53 0.00 0.05 0.00 0.00 99.42 22:50:01 2 0.03 0.00 0.03 0.00 0.00 99.93 22:50:01 3 0.03 0.00 0.07 0.00 0.00 99.90 22:51:01 all 5.82 0.00 3.13 2.35 0.02 88.68 22:51:01 0 5.40 0.00 2.85 0.45 0.02 91.29 22:51:01 1 6.51 0.00 3.42 3.55 0.03 86.48 22:51:01 2 5.86 0.00 3.12 2.32 0.00 88.70 22:51:01 3 5.51 0.00 3.11 3.09 0.02 88.27 Average: all 1.28 0.00 0.67 0.42 0.00 97.63 Average: 0 1.21 0.00 0.63 0.28 0.00 97.88 Average: 1 1.58 0.00 0.69 0.54 0.01 97.18 Average: 2 1.18 0.00 0.71 0.37 0.00 97.73 Average: 3 1.13 0.00 0.65 0.49 0.00 97.72