---> uname -a: Linux 5cf51ba6a176 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: 2933.436 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 8.3G 41.7G 17% / 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 8.3G 41.7G 17% /etc/resolv.conf /dev/vda1 50.0G 8.3G 41.7G 17% /etc/hostname /dev/vda1 50.0G 8.3G 41.7G 17% /etc/hosts /dev/vda1 50.0G 8.3G 41.7G 17% /var/log/sa /dev/vda1 50.0G 8.3G 41.7G 17% /w/workspace/i-build-images_snapcraft-builder /dev/vda1 50.0G 8.3G 41.7G 17% /w/workspace/i-build-images_snapcraft-builder@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 748 131 0 957 1004 Swap: 1023 2 1021 ---> 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 16: eth0@if17: 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) 07/14/20 _x86_64_ (4 CPU) 20:25:50 LINUX RESTART 20:27:01 tps rtps wtps bread/s bwrtn/s 20:28:02 249.72 20.17 229.55 1953.84 38628.28 20:29:01 439.37 243.99 195.38 17239.05 24938.94 20:30:01 560.98 405.89 155.08 22176.47 27425.46 20:31:01 418.99 415.34 3.64 16768.45 79.38 20:32:01 526.85 526.42 0.43 17041.02 5.11 20:33:01 23.35 22.08 1.27 1225.91 20.98 20:34:01 0.28 0.00 0.28 0.00 3.11 20:35:01 1.80 1.55 0.25 111.09 3.50 20:36:01 0.27 0.00 0.27 0.00 2.60 20:37:01 28.40 19.78 8.62 2966.63 756.16 20:38:01 115.95 49.76 66.20 5594.81 19521.94 Average: 214.81 154.90 59.92 7721.78 10109.83 20:27:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:28:02 92452 1789104 95.09 2596 1005548 1488976 50.82 461552 1025628 48900 20:29:01 76228 1805328 95.95 1500 1028776 1505396 51.38 504748 998504 74072 20:30:01 409952 1471604 78.21 704 682604 1305236 44.55 403268 731984 0 20:31:01 69824 1811732 96.29 688 1062992 1322556 45.14 419776 1113428 20 20:32:01 71556 1810000 96.20 620 1064256 1324612 45.21 407996 1126980 20 20:33:01 113428 1768128 93.97 616 1075048 1110780 37.91 377428 1133680 16 20:34:01 114716 1766840 93.90 616 1075048 1094464 37.35 377220 1133184 16 20:35:01 112400 1769156 94.03 616 1078392 1094576 37.36 376248 1136520 12 20:36:01 112516 1769040 94.02 616 1078396 1094576 37.36 376376 1136520 16 20:37:01 144500 1737056 92.32 568 1033400 1297820 44.29 386148 1093560 56 20:38:01 105528 1776028 94.39 516 1019900 1296956 44.26 477512 1012056 68 Average: 129373 1752183 93.12 878 1018578 1266904 43.24 415297 1058368 11200 20:27:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:28:02 veth73a5535 558.25 685.95 46.14 4590.40 0.00 0.00 0.00 20:28:02 eth0 730.76 579.38 4623.37 63.78 0.00 0.00 0.00 20:28:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:28:02 docker0 558.25 685.95 38.51 4590.40 0.00 0.00 0.00 20:29:01 eth0 32.11 16.09 24.41 13.12 0.00 0.00 0.00 20:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 eth0 1.96 1.20 1.48 0.77 0.00 0.00 0.00 20:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:31:01 eth0 302.58 393.04 33.48 2982.59 0.00 0.00 0.00 20:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:32:01 eth0 313.61 408.58 21.44 3236.89 0.00 0.00 0.00 20:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:33:01 eth0 30.92 36.82 11.00 221.31 0.00 0.00 0.00 20:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:34:01 eth0 0.47 0.30 0.27 0.17 0.00 0.00 0.00 20:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:35:01 eth0 0.02 0.02 0.00 0.03 0.00 0.00 0.00 20:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:36:01 eth0 0.53 0.08 0.05 0.01 0.00 0.00 0.00 20:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:37:01 eth0 29.04 22.04 167.93 18.84 0.00 0.00 0.00 20:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:37:01 veth50294e9 0.38 0.52 0.11 0.20 0.00 0.00 0.00 20:37:01 docker0 620.36 765.85 42.41 4964.56 0.00 0.00 0.00 20:38:01 eth0 138.13 92.69 2376.47 31.98 0.00 0.00 0.00 20:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:38:01 docker0 1.88 1.78 0.50 1.46 0.00 0.00 0.00 Average: eth0 143.90 141.19 661.60 598.22 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 51.08 62.70 3.56 418.45 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) 07/14/20 _x86_64_ (4 CPU) 20:25:50 LINUX RESTART 20:27:01 CPU %user %nice %system %iowait %steal %idle 20:28:02 all 14.75 0.00 7.21 1.63 1.47 74.95 20:28:02 0 14.11 0.00 6.68 0.48 1.57 77.15 20:28:02 1 15.37 0.00 8.29 1.11 1.28 73.94 20:28:02 2 11.73 0.00 6.78 1.73 1.50 78.25 20:28:02 3 17.79 0.00 7.06 3.19 1.53 70.43 20:29:01 all 7.62 0.00 6.56 8.60 1.74 75.48 20:29:01 0 6.78 0.00 6.26 8.18 1.81 76.96 20:29:01 1 9.12 0.00 6.78 8.82 1.87 73.42 20:29:01 2 7.35 0.00 5.92 8.90 1.61 76.22 20:29:01 3 7.23 0.00 7.27 8.48 1.65 75.37 20:30:01 all 5.33 0.00 7.45 13.70 3.14 70.37 20:30:01 0 5.29 0.00 8.19 16.53 3.16 66.83 20:30:01 1 4.93 0.00 6.60 12.54 3.12 72.81 20:30:01 2 5.39 0.00 7.32 12.74 3.22 71.33 20:30:01 3 5.72 0.00 7.70 12.97 3.08 70.52 20:31:01 all 15.64 0.00 2.85 7.34 1.67 72.51 20:31:01 0 14.57 0.00 2.94 7.07 1.73 73.69 20:31:01 1 16.01 0.00 2.76 7.66 1.61 71.95 20:31:01 2 16.54 0.00 2.90 7.58 1.59 71.39 20:31:01 3 15.42 0.00 2.81 7.07 1.72 72.98 20:32:01 all 17.03 0.00 2.98 9.10 2.27 68.62 20:32:01 0 15.17 0.00 2.96 8.43 2.26 71.19 20:32:01 1 17.01 0.00 3.21 9.28 2.47 68.04 20:32:01 2 18.46 0.00 3.08 9.77 1.98 66.71 20:32:01 3 17.52 0.00 2.64 8.93 2.37 68.54 20:33:01 all 0.96 0.00 0.34 0.27 0.11 98.32 20:33:01 0 0.95 0.00 0.30 0.25 0.10 98.40 20:33:01 1 0.77 0.00 0.38 0.22 0.12 98.52 20:33:01 2 1.27 0.00 0.43 0.33 0.10 97.86 20:33:01 3 0.85 0.00 0.25 0.28 0.12 98.50 20:34:01 all 0.15 0.00 0.03 0.00 0.01 99.81 20:34:01 0 0.05 0.00 0.03 0.00 0.00 99.92 20:34:01 1 0.03 0.00 0.02 0.00 0.02 99.93 20:34:01 2 0.50 0.00 0.03 0.00 0.00 99.47 20:34:01 3 0.02 0.00 0.03 0.00 0.00 99.95 20:35:01 all 0.16 0.00 0.03 0.00 0.02 99.78 20:35:01 0 0.05 0.00 0.03 0.00 0.05 99.87 20:35:01 1 0.03 0.00 0.03 0.02 0.02 99.90 20:35:01 2 0.52 0.00 0.02 0.00 0.03 99.43 20:35:01 3 0.03 0.00 0.03 0.00 0.00 99.93 20:36:01 all 0.16 0.00 0.02 0.00 0.01 99.81 20:36:01 0 0.43 0.00 0.05 0.00 0.00 99.52 20:36:01 1 0.05 0.00 0.03 0.00 0.00 99.92 20:36:01 2 0.13 0.00 0.02 0.00 0.00 99.85 20:36:01 3 0.03 0.00 0.02 0.00 0.00 99.95 20:37:01 all 0.86 0.00 0.75 0.32 0.03 98.05 20:37:01 0 1.22 0.00 0.98 0.22 0.03 97.55 20:37:01 1 0.62 0.00 0.52 0.08 0.03 98.75 20:37:01 2 0.82 0.00 0.83 0.13 0.02 98.20 20:37:01 3 0.77 0.00 0.67 0.85 0.02 97.70 20:38:01 all 7.22 0.00 4.73 1.48 0.20 86.37 20:38:01 0 6.65 0.00 4.79 0.57 0.17 87.81 20:38:01 1 7.46 0.00 4.65 2.58 0.22 85.10 20:38:01 2 6.68 0.00 4.16 1.16 0.22 87.78 20:38:01 3 8.07 0.00 5.32 1.60 0.22 84.80 Average: all 6.31 0.00 2.98 3.83 0.96 85.93 Average: 0 5.89 0.00 3.00 3.78 0.98 86.35 Average: 1 6.45 0.00 3.01 3.82 0.97 85.75 Average: 2 6.27 0.00 2.85 3.82 0.93 86.13 Average: 3 6.62 0.00 3.04 3.90 0.96 85.48