---> uname -a: Linux prd-centos7-docker-4c-2g-10305.vexxhost.local 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 7.8G 42.2G 16% / 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 7.8G 42.2G 16% /facter-os /dev/vda1 50.0G 7.8G 42.2G 16% /etc/resolv.conf /dev/vda1 50.0G 7.8G 42.2G 16% /etc/hostname /dev/vda1 50.0G 7.8G 42.2G 16% /etc/hosts /dev/vda1 50.0G 7.8G 42.2G 16% /run/cloud-init/result.json /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/exfoundry_go-mod-messaging_PR-75 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/exfoundry_go-mod-messaging_PR-75@tmp /dev/vda1 50.0G 7.8G 42.2G 16% /var/log/sa-host /dev/vda1 50.0G 7.8G 42.2G 16% /var/log/secure /dev/vda1 50.0G 7.8G 42.2G 16% /var/log/auth.log ---> free -m: total used free shared buff/cache available Mem: 1837 736 129 0 971 1006 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 inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: eth0: mtu 1458 qdisc pfifo_fast state UP qlen 1000 link/ether fa:16:3e:d0:6f:9a brd ff:ff:ff:ff:ff:ff inet 10.30.122.142/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 86200sec preferred_lft 86200sec inet6 fe80::f816:3eff:fed0:6f9a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:2c:65:e9:70 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::42:2cff:fe65:e970/64 scope link 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) 11/02/20 _x86_64_ (4 CPU) 15:30:54 LINUX RESTART (4 CPU) 15:32:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:33:01 268.28 128.86 139.41 0.00 7698.54 30006.11 0.00 15:34:01 18.14 6.87 11.27 0.00 456.99 1748.40 0.00 Average: 143.21 67.87 75.34 0.00 4077.76 15877.26 0.00 15:32:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:33:01 233104 0 652328 34.67 2596 993528 1439056 49.11 553212 878752 47852 15:34:01 303084 0 618952 32.90 2596 956924 1107488 37.80 539232 831300 20 Average: 268094 0 635640 33.78 2596 975226 1273272 43.45 546222 855026 23936 15:32:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:33:01 veth0c134eb 0.00 0.13 0.00 0.01 0.00 0.00 0.00 0.00 15:33:01 eth0 396.14 354.63 3186.87 58.99 0.00 0.00 0.00 0.00 15:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:33:01 docker0 64.88 68.68 5.00 324.39 0.00 0.00 0.00 0.00 15:34:01 eth0 6.66 3.93 6.63 1.88 0.00 0.00 0.00 0.00 15:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 201.40 179.28 1596.75 30.44 0.00 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 32.44 34.34 2.50 162.19 0.00 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) 11/02/20 _x86_64_ (4 CPU) 15:30:54 LINUX RESTART (4 CPU) 15:32:01 CPU %user %nice %system %iowait %steal %idle 15:33:01 all 17.47 0.00 8.19 2.87 0.03 71.44 15:33:01 0 17.77 0.00 8.36 2.54 0.03 71.29 15:33:01 1 17.70 0.00 8.41 3.87 0.02 70.01 15:33:01 2 17.21 0.00 8.15 1.53 0.02 73.10 15:33:01 3 17.21 0.00 7.85 3.54 0.03 71.36 15:34:01 all 1.15 0.00 0.73 0.11 0.00 98.01 15:34:01 0 1.00 0.00 0.73 0.05 0.00 98.21 15:34:01 1 1.08 0.00 0.72 0.15 0.00 98.05 15:34:01 2 1.50 0.00 0.72 0.03 0.00 97.75 15:34:01 3 1.00 0.00 0.75 0.20 0.02 98.03 Average: all 9.24 0.00 4.43 1.48 0.01 84.84 Average: 0 9.32 0.00 4.52 1.29 0.02 84.86 Average: 1 9.33 0.00 4.53 1.99 0.01 84.14 Average: 2 9.28 0.00 4.40 0.77 0.01 85.54 Average: 3 9.02 0.00 4.27 1.85 0.03 84.83