---> uname -a: Linux fc2fa9580acd 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 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% /w/workspace/i-build-images_snapcraft-builder@tmp /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 ---> free -m: total used free shared buff/cache available Mem: 1837 764 120 0 952 993 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) 08/21/20 _x86_64_ (4 CPU) 23:35:02 LINUX RESTART 23:36:01 tps rtps wtps bread/s bwrtn/s 23:37:01 211.43 7.57 203.86 664.97 36592.33 23:38:01 292.60 112.84 179.76 9394.84 18411.18 23:39:02 610.70 459.98 150.72 22749.29 27654.38 23:40:01 485.82 417.43 68.38 22913.88 11244.50 23:41:01 528.22 526.05 2.16 15137.27 85.58 23:42:01 172.86 172.09 0.77 7834.70 10.29 23:43:01 0.73 0.00 0.73 0.00 12.29 23:44:01 1.33 0.98 0.35 58.23 5.15 23:45:01 0.25 0.00 0.25 0.00 2.71 23:46:01 28.29 21.57 6.73 3200.67 692.02 23:47:01 107.36 51.06 56.30 5374.47 17850.52 Average: 221.48 160.43 61.05 7914.39 10258.67 23:36:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:37:01 80812 1800744 95.71 2596 922664 1780820 60.78 517396 985412 107240 23:38:01 69284 1812272 96.32 1504 1026524 1507980 51.46 492316 1016992 94476 23:39:02 74736 1806820 96.03 692 963548 1508280 51.47 489428 985260 40576 23:40:01 65536 1816020 96.52 512 1056888 1296008 44.23 432856 1108056 32 23:41:01 63832 1817724 96.61 464 1057164 1295620 44.22 421608 1117492 12 23:42:01 97428 1784128 94.82 436 1071660 1097668 37.46 398348 1127120 20 23:43:01 99464 1782092 94.71 436 1071660 1085272 37.04 395988 1127780 8 23:44:01 97344 1784212 94.83 436 1073412 1085332 37.04 396280 1129516 8 23:45:01 97668 1783888 94.81 436 1073420 1085272 37.04 396100 1129528 8 23:46:01 157772 1723784 91.61 412 1004108 1290056 44.03 406784 1058900 56 23:47:01 71744 1809812 96.19 336 1010712 1508412 51.48 556004 979404 50332 Average: 88693 1792863 95.29 751 1030160 1321884 45.11 445737 1069587 26615 23:36:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 23:37:01 eth0 644.60 467.58 4144.76 59.15 0.00 0.00 0.00 23:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:37:01 vethe04c87f 445.19 600.16 31.62 4114.21 0.00 0.00 0.00 23:37:01 docker0 445.19 600.03 25.53 4114.20 0.00 0.00 0.00 23:38:01 eth0 181.57 107.00 814.28 25.68 0.00 0.00 0.00 23:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:38:01 docker0 84.12 136.02 5.32 778.67 0.00 0.00 0.00 23:39:02 eth0 2.96 1.63 2.33 1.27 0.00 0.00 0.00 23:39:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:39:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:40:01 eth0 315.27 353.49 37.71 2503.84 0.00 0.00 0.00 23:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:41:01 eth0 313.92 348.34 21.98 2810.85 0.00 0.00 0.00 23:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:42:01 eth0 185.31 198.97 20.78 1532.51 0.00 0.00 0.00 23:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:43:01 eth0 0.07 0.07 0.01 0.02 0.00 0.00 0.00 23:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:44:01 eth0 0.37 0.37 0.47 0.03 0.00 0.00 0.00 23:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:45:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 23:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:46:01 veth2baf163 0.37 0.48 0.09 0.19 0.00 0.00 0.00 23:46:01 eth0 2149.11 1781.38 6456.26 6983.28 0.00 0.00 0.00 23:46:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 23:46:01 docker0 533.94 742.18 31.18 4932.45 0.00 0.00 0.00 23:47:01 eth0 140.91 92.99 2377.38 31.03 0.00 0.00 0.00 23:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:47:01 docker0 1.86 1.73 0.51 1.47 0.00 0.00 0.00 Average: eth0 164.75 144.56 693.49 631.68 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 48.72 67.64 2.88 448.63 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) 08/21/20 _x86_64_ (4 CPU) 23:35:02 LINUX RESTART 23:36:01 CPU %user %nice %system %iowait %steal %idle 23:37:01 all 13.46 0.00 6.16 1.26 0.02 79.10 23:37:01 0 13.10 0.00 5.52 0.12 0.00 81.26 23:37:01 1 10.01 0.00 6.72 2.32 0.02 80.93 23:37:01 2 17.55 0.00 5.85 0.93 0.02 75.65 23:37:01 3 13.16 0.00 6.52 1.64 0.03 78.64 23:38:01 all 8.74 0.00 5.51 5.11 0.03 80.61 23:38:01 0 10.12 0.00 5.06 3.59 0.05 81.18 23:38:01 1 5.98 0.00 5.43 7.48 0.05 81.06 23:38:01 2 11.57 0.00 5.40 3.72 0.02 79.30 23:38:01 3 7.32 0.00 6.15 5.65 0.02 80.86 23:39:02 all 5.53 0.00 7.57 17.82 0.03 69.05 23:39:02 0 4.00 0.00 5.32 13.21 0.02 77.46 23:39:02 1 6.05 0.00 8.23 20.69 0.03 65.00 23:39:02 2 6.08 0.00 8.65 19.54 0.05 65.69 23:39:02 3 5.99 0.00 8.05 17.85 0.03 68.08 23:40:01 all 15.18 0.00 5.57 9.53 0.05 69.67 23:40:01 0 13.38 0.00 5.12 8.96 0.07 72.47 23:40:01 1 16.05 0.00 5.37 9.86 0.03 68.69 23:40:01 2 15.24 0.00 5.52 11.35 0.05 67.85 23:40:01 3 16.04 0.00 6.28 7.98 0.07 69.63 23:41:01 all 15.20 0.00 3.15 12.67 0.06 68.92 23:41:01 0 13.63 0.00 3.35 11.79 0.07 71.16 23:41:01 1 15.42 0.00 3.32 12.81 0.05 68.39 23:41:01 2 15.64 0.00 3.12 12.59 0.05 68.60 23:41:01 3 16.14 0.00 2.81 13.46 0.05 67.54 23:42:01 all 7.72 0.00 1.18 2.44 0.02 88.64 23:42:01 0 7.03 0.00 1.49 2.60 0.02 88.86 23:42:01 1 7.56 0.00 1.12 2.39 0.05 88.88 23:42:01 2 7.83 0.00 1.07 2.28 0.00 88.82 23:42:01 3 8.42 0.00 1.04 2.52 0.02 88.00 23:43:01 all 0.16 0.00 0.03 0.00 0.00 99.81 23:43:01 0 0.02 0.00 0.03 0.00 0.00 99.95 23:43:01 1 0.55 0.00 0.03 0.00 0.00 99.42 23:43:01 2 0.03 0.00 0.03 0.00 0.00 99.93 23:43:01 3 0.03 0.00 0.03 0.00 0.00 99.93 23:44:01 all 0.10 0.00 0.04 0.00 0.00 99.85 23:44:01 0 0.03 0.00 0.02 0.00 0.00 99.95 23:44:01 1 0.28 0.00 0.08 0.02 0.00 99.62 23:44:01 2 0.07 0.00 0.03 0.00 0.00 99.90 23:44:01 3 0.02 0.00 0.03 0.00 0.00 99.95 23:45:01 all 0.05 0.00 0.05 0.00 0.00 99.90 23:45:01 0 0.02 0.00 0.03 0.00 0.00 99.95 23:45:01 1 0.13 0.00 0.07 0.00 0.00 99.80 23:45:01 2 0.05 0.00 0.05 0.00 0.00 99.90 23:45:01 3 0.02 0.00 0.00 0.00 0.00 99.98 23:46:01 all 0.83 0.00 0.73 0.28 0.00 98.16 23:46:01 0 1.07 0.00 0.88 0.17 0.00 97.88 23:46:01 1 0.80 0.00 0.70 0.12 0.00 98.38 23:46:01 2 0.72 0.00 0.70 0.08 0.00 98.50 23:46:01 3 0.70 0.00 0.67 0.77 0.00 97.86 23:47:01 all 6.37 0.00 4.16 1.88 0.02 87.57 23:47:01 0 6.17 0.00 3.93 0.45 0.02 89.43 23:47:01 1 6.55 0.00 4.13 3.63 0.02 85.68 23:47:01 2 6.88 0.00 3.69 2.01 0.02 87.40 23:47:01 3 5.91 0.00 4.89 1.46 0.02 87.73 Average: all 6.63 0.00 3.09 4.60 0.02 85.65 Average: 0 6.20 0.00 2.78 3.70 0.02 87.31 Average: 1 6.28 0.00 3.20 5.37 0.02 85.13 Average: 2 7.40 0.00 3.09 4.74 0.02 84.75 Average: 3 6.65 0.00 3.29 4.61 0.02 85.42