---> uname -a: Linux 0cc906e27b49 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-576 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/dgexfoundry_device-sdk-go_PR-576@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 634 125 0 1077 1097 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) 22:29:40 LINUX RESTART 22:30:01 tps rtps wtps bread/s bwrtn/s 22:31:01 191.83 99.72 92.11 11757.38 40420.44 22:32:01 2.38 0.00 2.38 0.00 49.88 22:33:01 0.43 0.00 0.43 0.00 5.96 22:34:01 0.25 0.00 0.25 0.00 3.30 22:35:01 0.20 0.00 0.20 0.00 1.90 22:36:01 0.33 0.00 0.33 0.00 5.31 22:37:01 104.80 73.44 31.36 5355.94 15864.03 Average: 42.90 24.74 18.16 2445.55 8052.81 22:30:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:31:01 178992 1702564 90.49 2620 1146484 1130996 38.60 421196 1120884 120 22:32:01 184292 1697264 90.21 2620 1146716 1105036 37.71 418172 1119008 24 22:33:01 183548 1698008 90.24 2620 1146664 1088756 37.16 419788 1118368 20 22:34:01 183876 1697680 90.23 2620 1146668 1088708 37.16 419564 1118368 12 22:35:01 183816 1697740 90.23 2620 1146672 1088588 37.15 430924 1107528 16 22:36:01 183444 1698112 90.25 2620 1146680 1088672 37.15 431800 1107520 8 22:37:01 100692 1780864 94.65 2620 1109596 1514216 51.68 496964 1084020 102380 Average: 171237 1710319 90.90 2620 1141354 1157853 39.52 434058 1110814 14654 22:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:31:01 eth0 474.25 268.32 1076.58 106.94 0.00 0.00 0.00 22:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:31:01 docker0 8.12 5.01 1.01 17.98 0.00 0.00 0.00 22:32:01 eth0 1.02 0.40 0.38 0.19 0.00 0.00 0.00 22:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:33:01 eth0 1.05 0.38 0.32 0.24 0.00 0.00 0.00 22:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:34:01 eth0 0.82 0.33 0.30 0.20 0.00 0.00 0.00 22:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:35:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 22:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:36:01 eth0 0.30 0.22 0.14 0.07 0.00 0.00 0.00 22:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:37:01 eth0 90.19 61.12 2330.95 10.21 0.00 0.00 0.00 22:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 81.13 47.28 487.05 16.84 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 1.16 0.72 0.14 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) 08/31/20 _x86_64_ (4 CPU) 22:29:40 LINUX RESTART 22:30:01 CPU %user %nice %system %iowait %steal %idle 22:31:01 all 15.42 0.00 7.86 7.93 0.02 68.77 22:31:01 0 15.88 0.00 7.27 7.92 0.02 68.92 22:31:01 1 15.15 0.00 8.36 8.46 0.02 68.01 22:31:01 2 15.15 0.00 8.48 8.46 0.02 67.89 22:31:01 3 15.52 0.00 7.35 6.86 0.03 70.23 22:32:01 all 0.15 0.00 0.05 0.00 0.00 99.80 22:32:01 0 0.03 0.00 0.07 0.00 0.00 99.90 22:32:01 1 0.48 0.00 0.05 0.00 0.00 99.47 22:32:01 2 0.03 0.00 0.03 0.00 0.00 99.93 22:32:01 3 0.07 0.00 0.05 0.00 0.00 99.88 22:33:01 all 0.13 0.00 0.03 0.00 0.00 99.84 22:33:01 0 0.03 0.00 0.05 0.00 0.00 99.92 22:33:01 1 0.42 0.00 0.03 0.00 0.00 99.55 22:33:01 2 0.03 0.00 0.02 0.00 0.00 99.95 22:33:01 3 0.05 0.00 0.02 0.00 0.00 99.93 22:34:01 all 0.13 0.00 0.02 0.00 0.00 99.85 22:34:01 0 0.02 0.00 0.02 0.00 0.00 99.97 22:34:01 1 0.47 0.00 0.03 0.00 0.00 99.50 22:34:01 2 0.03 0.00 0.03 0.00 0.00 99.93 22:34:01 3 0.02 0.00 0.03 0.00 0.00 99.95 22:35:01 all 0.15 0.00 0.04 0.00 0.00 99.81 22:35:01 0 0.00 0.00 0.02 0.00 0.00 99.98 22:35:01 1 0.50 0.00 0.07 0.00 0.00 99.43 22:35:01 2 0.05 0.00 0.03 0.00 0.00 99.92 22:35:01 3 0.02 0.00 0.02 0.00 0.00 99.97 22:36:01 all 0.15 0.00 0.06 0.00 0.00 99.79 22:36:01 0 0.02 0.00 0.00 0.00 0.00 99.98 22:36:01 1 0.23 0.00 0.15 0.00 0.00 99.62 22:36:01 2 0.33 0.00 0.02 0.00 0.02 99.63 22:36:01 3 0.03 0.00 0.03 0.00 0.00 99.93 22:37:01 all 5.18 0.00 2.88 1.31 0.03 90.60 22:37:01 0 4.34 0.00 3.21 0.70 0.02 91.73 22:37:01 1 4.87 0.00 2.86 0.80 0.05 91.41 22:37:01 2 5.38 0.00 2.39 1.39 0.00 90.84 22:37:01 3 6.12 0.00 3.05 2.35 0.03 88.45 Average: all 3.03 0.00 1.55 1.31 0.01 94.10 Average: 0 2.88 0.00 1.51 1.22 0.00 94.38 Average: 1 3.14 0.00 1.64 1.31 0.01 93.90 Average: 2 2.99 0.00 1.57 1.40 0.00 94.04 Average: 3 3.09 0.00 1.49 1.30 0.01 94.10