---> uname -a: Linux b07d0af2382d 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-567@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-567 ---> free -m: total used free shared buff/cache available Mem: 1837 645 125 0 1065 1086 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 (prd-centos7-docker-4c-2g-425.vexxhost.local) 08/19/20 _x86_64_ (4 CPU) 00:00:01 tps rtps wtps bread/s bwrtn/s 00:01:01 0.28 0.02 0.27 0.13 3.01 00:02:02 0.57 0.12 0.45 2.13 8.22 00:03:01 165.02 102.81 62.21 7994.72 20500.30 Average: 54.68 33.94 20.75 2636.22 6761.69 00:00:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:01:01 163024 1718532 91.34 2620 1157780 1081680 36.92 402372 1156420 12 00:02:02 163832 1717724 91.29 2620 1157924 1079504 36.84 407600 1151148 8 00:03:01 160964 1720592 91.45 2620 1086200 1209316 41.27 461788 1056252 256 Average: 162607 1718949 91.36 2620 1133968 1123500 38.34 423920 1121273 92 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 00:01:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 00:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:02:02 eth0 0.30 0.20 0.14 0.07 0.00 0.00 0.00 00:02:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:02:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:03:01 veth3c48edd 0.00 0.10 0.00 0.01 0.00 0.00 0.00 00:03:01 eth0 530.51 327.76 3512.94 120.81 0.00 0.00 0.00 00:03:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 00:03:01 docker0 7.62 6.15 0.98 18.01 0.00 0.00 0.00 Average: veth3c48edd 0.00 0.03 0.00 0.00 0.00 0.00 0.00 Average: eth0 174.88 108.05 1158.04 39.82 0.00 0.00 0.00 Average: lo 0.04 0.04 0.00 0.00 0.00 0.00 0.00 Average: docker0 2.51 2.03 0.32 5.94 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-1127.el7.x86_64 (prd-centos7-docker-4c-2g-425.vexxhost.local) 08/19/20 _x86_64_ (4 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:01:01 all 0.16 0.00 0.05 0.00 0.00 99.79 00:01:01 0 0.50 0.00 0.07 0.00 0.00 99.43 00:01:01 1 0.05 0.00 0.05 0.00 0.00 99.90 00:01:01 2 0.05 0.00 0.05 0.00 0.00 99.90 00:01:01 3 0.03 0.00 0.02 0.00 0.00 99.95 00:02:02 all 0.16 0.00 0.05 0.00 0.00 99.78 00:02:02 0 0.53 0.00 0.08 0.00 0.00 99.38 00:02:02 1 0.03 0.00 0.05 0.00 0.02 99.90 00:02:02 2 0.03 0.00 0.05 0.00 0.00 99.92 00:02:02 3 0.03 0.00 0.03 0.00 0.00 99.93 00:03:01 all 5.72 0.00 3.40 2.63 0.02 88.23 00:03:01 0 5.64 0.00 3.19 0.41 0.03 90.73 00:03:01 1 5.49 0.00 3.80 2.81 0.00 87.89 00:03:01 2 6.13 0.00 3.14 4.46 0.02 86.25 00:03:01 3 5.64 0.00 3.42 2.85 0.03 88.05 Average: all 1.99 0.00 1.15 0.86 0.01 96.00 Average: 0 2.20 0.00 1.10 0.13 0.01 96.56 Average: 1 1.83 0.00 1.28 0.92 0.01 95.96 Average: 2 2.04 0.00 1.06 1.46 0.01 95.43 Average: 3 1.87 0.00 1.14 0.94 0.01 96.04