---> uname -a: Linux prd-centos7-docker-4c-2g-14155.vexxhost.local 3.10.0-1160.6.1.el7.x86_64 #1 SMP Tue Nov 17 13:59:11 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 Srbds: Not affected 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% /var/log/auth.log /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/xfoundry_device-modbus-go_PR-197 /dev/vda1 50.0G 7.8G 42.2G 16% /w/workspace/xfoundry_device-modbus-go_PR-197@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 ---> free -m: total used free shared buff/cache available Mem: 1837 710 157 0 969 1027 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:38:bb:5c brd ff:ff:ff:ff:ff:ff inet 10.30.122.182/23 brd 10.30.123.255 scope global dynamic eth0 valid_lft 85997sec preferred_lft 85997sec inet6 fe80::f816:3eff:fe38:bb5c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1500 qdisc noqueue state DOWN link/ether 02:42:67:59:b2:10 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::42:67ff:fe59:b210/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 3.10.0-1160.6.1.el7.x86_64 (centos-7-docker-5fbc1798-0377-b841-54c3-72bc41eda64a.vexxhost.lo) 12/02/20 _x86_64_ (4 CPU) 07:50:18 LINUX RESTART (4 CPU) 07:51:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:52:01 164.85 92.84 72.01 0.00 7253.65 22459.26 0.00 07:53:01 103.61 48.36 55.25 0.00 4020.64 13506.58 0.00 07:54:01 0.22 0.00 0.22 0.00 0.00 3.25 0.00 07:55:02 0.28 0.00 0.28 0.00 0.00 3.20 0.00 07:56:01 0.20 0.00 0.20 0.00 0.00 3.20 0.00 07:57:01 100.92 56.49 44.42 0.00 5105.59 15291.20 0.00 Average: 61.87 33.05 28.82 0.00 2738.43 8570.84 0.00 07:51:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:52:01 68304 0 681972 36.25 2620 1128648 1418992 48.43 411120 1166068 56960 07:53:01 284652 0 620948 33.00 2596 973348 1092124 37.27 432700 932924 8 07:54:01 285584 0 620008 32.95 2596 973356 1073768 36.65 449852 915636 16 07:55:02 282208 0 623384 33.13 2596 973356 1073972 36.65 452708 915980 20 07:56:01 282860 0 622720 33.10 2596 973368 1073852 36.65 463276 904912 16 07:57:01 229360 0 687680 36.55 2596 961908 1277220 43.59 474436 908324 82648 Average: 238828 0 642785 34.16 2600 997331 1168321 39.87 447349 957307 23278 07:51:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:52:01 veth4219c81 116.66 164.04 7.79 922.49 0.00 0.00 0.00 0.00 07:52:01 eth0 591.76 344.20 3252.56 49.61 0.00 0.00 0.00 0.00 07:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:52:01 docker0 116.66 163.94 6.20 922.48 0.00 0.00 0.00 0.00 07:53:01 eth0 86.48 63.06 397.86 9.14 0.00 0.00 0.00 0.00 07:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:53:01 docker0 56.72 73.46 3.07 387.67 0.00 0.00 0.00 0.00 07:54:01 eth0 0.58 0.08 0.04 0.01 0.00 0.00 0.00 0.00 07:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:55:02 eth0 0.75 0.53 0.32 0.18 0.00 0.00 0.00 0.00 07:55:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:55:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:56:01 eth0 0.25 0.17 0.09 0.10 0.00 0.00 0.00 0.00 07:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:57:01 eth0 191.39 165.45 2119.41 16.00 0.00 0.00 0.00 0.00 07:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 145.66 95.88 964.74 12.55 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 28.99 39.69 1.55 219.04 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 3.10.0-1160.6.1.el7.x86_64 (centos-7-docker-5fbc1798-0377-b841-54c3-72bc41eda64a.vexxhost.lo) 12/02/20 _x86_64_ (4 CPU) 07:50:18 LINUX RESTART (4 CPU) 07:51:01 CPU %user %nice %system %iowait %steal %idle 07:52:01 all 6.56 0.00 4.90 0.89 0.02 87.63 07:52:01 0 8.04 0.00 6.02 0.87 0.03 85.04 07:52:01 1 6.27 0.00 4.92 1.65 0.03 87.13 07:52:01 2 5.84 0.00 4.55 0.56 0.02 89.04 07:52:01 3 6.10 0.00 4.10 0.49 0.00 89.31 07:53:01 all 5.49 0.00 3.01 1.34 0.02 90.14 07:53:01 0 5.87 0.00 3.47 1.20 0.00 89.46 07:53:01 1 5.45 0.00 2.69 1.13 0.02 90.71 07:53:01 2 5.26 0.00 2.96 1.93 0.03 89.82 07:53:01 3 5.40 0.00 2.91 1.11 0.02 90.57 07:54:01 all 0.15 0.00 0.05 0.00 0.00 99.80 07:54:01 0 0.52 0.00 0.02 0.00 0.00 99.47 07:54:01 1 0.05 0.00 0.05 0.00 0.00 99.90 07:54:01 2 0.05 0.00 0.03 0.00 0.00 99.92 07:54:01 3 0.00 0.00 0.10 0.00 0.00 99.90 07:55:02 all 0.11 0.00 0.08 0.00 0.00 99.81 07:55:02 0 0.28 0.00 0.08 0.00 0.00 99.63 07:55:02 1 0.07 0.00 0.07 0.00 0.00 99.87 07:55:02 2 0.05 0.00 0.03 0.00 0.00 99.92 07:55:02 3 0.03 0.00 0.15 0.00 0.00 99.82 07:56:01 all 0.04 0.00 0.05 0.00 0.00 99.91 07:56:01 0 0.05 0.00 0.03 0.00 0.00 99.91 07:56:01 1 0.08 0.00 0.05 0.00 0.00 99.86 07:56:01 2 0.02 0.00 0.02 0.00 0.00 99.97 07:56:01 3 0.02 0.00 0.08 0.00 0.00 99.90 07:57:01 all 5.08 0.00 3.56 1.48 0.01 89.86 07:57:01 0 5.34 0.00 3.56 1.21 0.02 89.87 07:57:01 1 6.02 0.00 3.66 2.60 0.02 87.71 07:57:01 2 4.54 0.00 3.23 0.37 0.00 91.87 07:57:01 3 4.45 0.00 3.82 1.75 0.02 89.96 Average: all 2.90 0.00 1.94 0.62 0.01 94.54 Average: 0 3.34 0.00 2.19 0.54 0.01 93.92 Average: 1 2.98 0.00 1.90 0.89 0.01 94.21 Average: 2 2.62 0.00 1.80 0.48 0.01 95.10 Average: 3 2.66 0.00 1.86 0.56 0.01 94.92