---> uname -a: Linux 3301f5016832 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% /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 754 136 0 947 998 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) 19:57:47 LINUX RESTART 19:59:01 tps rtps wtps bread/s bwrtn/s 20:00:01 228.33 18.58 209.75 1809.59 38126.53 20:01:01 419.90 217.24 202.66 16321.81 23564.25 20:02:01 596.44 434.87 161.57 23219.83 28821.98 20:03:01 421.10 417.30 3.80 16751.91 81.60 20:04:01 532.89 532.40 0.50 17251.34 6.06 20:05:01 18.12 17.16 0.97 1095.67 15.67 20:06:01 0.57 0.00 0.57 0.00 7.15 20:07:01 0.62 0.00 0.62 0.00 6.41 20:08:01 0.45 0.00 0.45 0.00 6.14 20:09:01 37.31 21.60 15.72 3273.13 855.96 Average: 225.65 165.96 59.69 7974.99 9154.04 19:59:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:00:01 127524 1754032 93.22 2596 969800 1482492 50.59 455184 1001636 51776 20:01:01 83380 1798176 95.57 1492 1000132 1508552 51.48 516776 984668 93728 20:02:01 435712 1445844 76.84 596 669508 1111968 37.95 380344 735620 16 20:03:01 74824 1806732 96.02 552 1047332 1306672 44.59 420100 1112368 8 20:04:01 72200 1809356 96.16 448 1055500 1298776 44.32 405772 1132084 24 20:05:01 93428 1788128 95.03 448 1082212 1101160 37.58 380672 1153524 8 20:06:01 95496 1786060 94.92 448 1082216 1087676 37.12 379476 1153084 8 20:07:01 95464 1786092 94.93 448 1082220 1087676 37.12 379484 1153080 8 20:08:01 95636 1785920 94.92 448 1082224 1087676 37.12 379364 1153080 8 20:09:01 182516 1699040 90.30 412 989472 1294652 44.18 414108 1030648 52 Average: 135618 1745938 92.79 789 1006062 1236730 42.21 411128 1060979 14564 19:59:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:00:01 eth0 656.47 470.97 4530.57 48.20 0.00 0.00 0.00 20:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:01 vethd8058d3 452.76 616.84 32.75 4501.12 0.00 0.00 0.00 20:00:01 docker0 452.76 616.84 26.56 4501.12 0.00 0.00 0.00 20:01:01 eth0 33.49 17.55 27.13 14.64 0.00 0.00 0.00 20:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:02:01 eth0 1.88 1.13 1.50 0.77 0.00 0.00 0.00 20:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:03:01 eth0 373.21 420.53 38.31 3023.66 0.00 0.00 0.00 20:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:04:01 eth0 345.81 407.61 23.22 3294.96 0.00 0.00 0.00 20:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:05:01 eth0 27.08 26.57 11.04 133.19 0.00 0.00 0.00 20:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:06:01 eth0 0.07 0.08 0.01 0.01 0.00 0.00 0.00 20:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:07:01 eth0 0.03 0.03 0.00 0.00 0.00 0.00 0.00 20:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:08:01 eth0 0.07 0.05 0.00 0.00 0.00 0.00 0.00 20:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:09:01 veth19b5063 0.35 0.47 0.09 0.19 0.00 0.00 0.00 20:09:01 eth0 2129.42 1771.36 6521.01 6643.35 0.00 0.00 0.00 20:09:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 20:09:01 docker0 532.83 716.93 32.06 4965.61 0.00 0.00 0.00 Average: veth19b5063 0.03 0.05 0.01 0.02 0.00 0.00 0.00 Average: eth0 212.92 177.12 652.05 664.28 0.00 0.00 0.00 Average: lo 0.01 0.01 0.00 0.00 0.00 0.00 0.00 Average: docker0 45.43 61.84 2.69 450.32 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) 19:57:47 LINUX RESTART 19:59:01 CPU %user %nice %system %iowait %steal %idle 20:00:01 all 12.93 0.00 5.40 1.10 0.03 80.54 20:00:01 0 12.59 0.00 5.80 1.86 0.03 79.71 20:00:01 1 10.66 0.00 4.65 1.15 0.02 83.52 20:00:01 2 15.22 0.00 5.53 0.69 0.02 78.55 20:00:01 3 13.25 0.00 5.62 0.72 0.03 80.37 20:01:01 all 6.88 0.00 6.19 8.16 0.04 78.73 20:01:01 0 5.60 0.00 6.15 7.86 0.03 80.35 20:01:01 1 5.31 0.00 5.38 7.51 0.03 81.76 20:01:01 2 9.26 0.00 7.35 8.79 0.05 74.54 20:01:01 3 7.36 0.00 5.83 8.46 0.05 78.31 20:02:01 all 5.33 0.00 7.65 14.43 0.06 72.53 20:02:01 0 5.25 0.00 7.60 15.71 0.05 71.40 20:02:01 1 5.43 0.00 7.09 13.84 0.05 73.59 20:02:01 2 5.13 0.00 8.63 13.25 0.07 72.93 20:02:01 3 5.50 0.00 7.30 14.93 0.07 72.20 20:03:01 all 15.49 0.00 2.89 7.59 0.04 73.99 20:03:01 0 14.45 0.00 3.07 7.69 0.05 74.73 20:03:01 1 15.08 0.00 2.93 7.76 0.05 74.18 20:03:01 2 16.50 0.00 2.93 7.69 0.05 72.83 20:03:01 3 15.93 0.00 2.63 7.23 0.03 74.19 20:04:01 all 17.57 0.00 2.96 10.14 0.05 69.27 20:04:01 0 16.15 0.00 3.09 9.80 0.05 70.91 20:04:01 1 17.94 0.00 3.07 10.48 0.05 68.46 20:04:01 2 18.91 0.00 3.10 9.86 0.03 68.09 20:04:01 3 17.29 0.00 2.57 10.45 0.07 69.62 20:05:01 all 0.76 0.00 0.30 0.30 0.00 98.63 20:05:01 0 1.08 0.00 0.40 0.30 0.02 98.20 20:05:01 1 0.52 0.00 0.17 0.28 0.00 99.03 20:05:01 2 0.57 0.00 0.38 0.27 0.00 98.78 20:05:01 3 0.87 0.00 0.25 0.35 0.00 98.53 20:06:01 all 0.15 0.00 0.03 0.00 0.00 99.82 20:06:01 0 0.50 0.00 0.02 0.00 0.00 99.48 20:06:01 1 0.02 0.00 0.03 0.00 0.00 99.95 20:06:01 2 0.05 0.00 0.03 0.00 0.00 99.92 20:06:01 3 0.03 0.00 0.02 0.00 0.00 99.95 20:07:01 all 0.15 0.00 0.02 0.00 0.00 99.82 20:07:01 0 0.53 0.00 0.02 0.00 0.00 99.45 20:07:01 1 0.03 0.00 0.03 0.00 0.00 99.93 20:07:01 2 0.05 0.00 0.03 0.00 0.00 99.92 20:07:01 3 0.03 0.00 0.02 0.00 0.00 99.95 20:08:01 all 0.15 0.00 0.03 0.00 0.00 99.82 20:08:01 0 0.00 0.00 0.03 0.00 0.00 99.97 20:08:01 1 0.02 0.00 0.02 0.00 0.00 99.97 20:08:01 2 0.05 0.00 0.07 0.00 0.00 99.88 20:08:01 3 0.50 0.00 0.02 0.00 0.00 99.48 20:09:01 all 2.59 0.00 1.56 0.41 0.01 95.43 20:09:01 0 2.73 0.00 1.69 0.22 0.00 95.37 20:09:01 1 1.89 0.00 1.54 0.18 0.02 96.37 20:09:01 2 2.79 0.00 1.42 0.87 0.00 94.92 20:09:01 3 2.98 0.00 1.54 0.37 0.02 95.10 Average: all 6.17 0.00 2.69 4.19 0.02 86.93 Average: 0 5.85 0.00 2.77 4.33 0.02 87.02 Average: 1 5.67 0.00 2.48 4.10 0.02 87.73 Average: 2 6.83 0.00 2.94 4.13 0.02 86.08 Average: 3 6.32 0.00 2.56 4.21 0.03 86.88