---> uname -a: Linux e50a853f555c 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 645 126 0 1065 1086 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) 07/27/20 _x86_64_ (4 CPU) 02:47:12 LINUX RESTART 02:48:02 tps rtps wtps bread/s bwrtn/s 02:49:01 25.66 8.90 16.76 4342.64 2475.17 02:50:01 1.68 0.00 1.68 0.00 29.30 02:51:01 0.25 0.00 0.25 0.00 4.03 02:52:01 0.25 0.00 0.25 0.00 2.56 02:53:01 0.25 0.00 0.25 0.00 4.01 02:54:01 0.60 0.18 0.42 13.19 9.61 02:55:01 0.48 0.00 0.48 0.00 8.58 02:56:01 56.36 45.89 10.47 4544.61 7144.22 Average: 10.66 6.87 3.79 1106.21 1207.52 02:48:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:49:01 158900 1722656 91.55 2620 1158532 1127504 38.48 426036 1136296 20 02:50:01 167568 1713988 91.09 2620 1158536 1079352 36.84 421528 1133428 8 02:51:01 163860 1717696 91.29 2620 1158544 1079692 36.85 425080 1133232 12 02:52:01 165488 1716068 91.20 2620 1158544 1079428 36.84 424868 1132020 8 02:53:01 163932 1717624 91.29 2620 1158612 1079500 36.84 430860 1127776 28 02:54:01 159080 1722476 91.55 2620 1159080 1091980 37.27 435208 1127556 20 02:55:01 158940 1722616 91.55 2620 1159080 1092176 37.27 434148 1128528 16 02:56:01 76572 1804984 95.93 2620 1155200 1523336 51.99 524284 1115200 9136 Average: 151793 1729764 91.93 2620 1158266 1144121 39.05 440252 1129255 1156 02:48:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 02:49:01 eth0 60.25 47.44 356.39 44.54 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 7.45 6.28 0.93 17.68 0.00 0.00 0.00 02:50:01 eth0 0.65 0.07 0.06 0.01 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 1.50 1.03 0.91 0.42 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 0.08 0.07 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 0.22 0.17 0.08 0.07 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 02:54:01 eth0 6.73 3.85 5.97 2.65 0.00 0.00 0.00 02:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:55:01 eth0 1.75 1.08 1.40 0.73 0.00 0.00 0.00 02:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:56:01 eth0 85.17 58.02 2323.12 7.78 0.00 0.00 0.00 02:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 19.46 13.90 336.09 6.95 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.92 0.77 0.11 2.18 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) 07/27/20 _x86_64_ (4 CPU) 02:47:12 LINUX RESTART 02:48:02 CPU %user %nice %system %iowait %steal %idle 02:49:01 all 2.40 0.00 1.53 0.71 0.00 95.36 02:49:01 0 2.16 0.00 2.01 0.58 0.00 95.26 02:49:01 1 2.40 0.00 1.29 1.77 0.00 94.54 02:49:01 2 2.79 0.00 1.48 0.08 0.00 95.65 02:49:01 3 2.26 0.00 1.36 0.39 0.02 95.97 02:50:01 all 0.03 0.00 0.03 0.00 0.00 99.93 02:50:01 0 0.02 0.00 0.03 0.00 0.00 99.95 02:50:01 1 0.05 0.00 0.05 0.00 0.00 99.90 02:50:01 2 0.02 0.00 0.02 0.00 0.00 99.97 02:50:01 3 0.03 0.00 0.03 0.00 0.00 99.93 02:51:01 all 0.15 0.00 0.04 0.00 0.00 99.81 02:51:01 0 0.10 0.00 0.02 0.00 0.00 99.88 02:51:01 1 0.40 0.00 0.03 0.00 0.00 99.57 02:51:01 2 0.05 0.00 0.03 0.00 0.00 99.92 02:51:01 3 0.07 0.00 0.08 0.00 0.00 99.85 02:52:01 all 0.15 0.00 0.03 0.00 0.00 99.82 02:52:01 0 0.02 0.00 0.02 0.00 0.00 99.97 02:52:01 1 0.52 0.00 0.03 0.00 0.00 99.45 02:52:01 2 0.03 0.00 0.03 0.00 0.00 99.93 02:52:01 3 0.02 0.00 0.03 0.00 0.00 99.95 02:53:01 all 0.16 0.00 0.04 0.00 0.00 99.80 02:53:01 0 0.02 0.00 0.03 0.00 0.00 99.95 02:53:01 1 0.55 0.00 0.02 0.00 0.00 99.43 02:53:01 2 0.02 0.00 0.05 0.00 0.00 99.93 02:53:01 3 0.05 0.00 0.03 0.00 0.00 99.92 02:54:01 all 0.26 0.00 0.09 0.01 0.00 99.64 02:54:01 0 0.10 0.00 0.07 0.00 0.00 99.83 02:54:01 1 0.65 0.00 0.07 0.00 0.00 99.28 02:54:01 2 0.20 0.00 0.15 0.03 0.00 99.62 02:54:01 3 0.10 0.00 0.10 0.00 0.00 99.80 02:55:01 all 0.20 0.00 0.07 0.00 0.00 99.73 02:55:01 0 0.05 0.00 0.03 0.00 0.00 99.92 02:55:01 1 0.60 0.00 0.07 0.00 0.00 99.33 02:55:01 2 0.07 0.00 0.13 0.00 0.00 99.80 02:55:01 3 0.10 0.00 0.07 0.00 0.00 99.83 02:56:01 all 2.20 0.00 1.13 1.08 0.00 95.59 02:56:01 0 1.77 0.00 1.32 0.23 0.02 96.66 02:56:01 1 2.87 0.00 1.12 2.14 0.00 93.88 02:56:01 2 2.07 0.00 0.83 0.42 0.00 96.68 02:56:01 3 2.07 0.00 1.25 1.53 0.02 95.13 Average: all 0.69 0.00 0.37 0.22 0.00 98.72 Average: 0 0.52 0.00 0.44 0.10 0.00 98.94 Average: 1 1.00 0.00 0.33 0.48 0.00 98.18 Average: 2 0.65 0.00 0.34 0.07 0.00 98.95 Average: 3 0.58 0.00 0.37 0.24 0.00 98.81