---> uname -a: Linux c427d7ae5d32 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: 2933.442 BogoMIPS: 5866.88 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 /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 ---> free -m: total used free shared buff/cache available Mem: 1837 754 121 0 961 1000 Swap: 1023 3 1020 ---> 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) 08/31/20 _x86_64_ (4 CPU) 19:37:10 LINUX RESTART 19:38:01 tps rtps wtps bread/s bwrtn/s 19:39:01 165.09 15.29 149.80 4339.05 31829.63 19:40:01 264.03 38.57 225.46 4241.06 20628.59 19:41:01 635.00 496.36 138.64 23509.09 25766.48 19:42:02 444.36 342.01 102.35 23358.27 16911.56 19:43:01 577.74 576.95 0.80 16263.51 11.46 19:44:01 220.31 219.28 1.03 9433.77 14.17 19:45:01 0.75 0.12 0.63 74.87 10.71 19:46:01 0.20 0.00 0.20 0.00 2.98 19:47:01 0.28 0.02 0.27 0.53 3.78 19:48:01 0.25 0.00 0.25 0.00 2.73 19:49:01 30.37 23.98 6.39 3182.68 691.08 19:50:01 72.48 50.81 21.68 5528.53 3443.54 Average: 200.46 146.36 54.10 7484.14 8301.81 19:38:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:39:01 81440 1800116 95.67 2596 934696 1759616 60.05 515984 991188 89816 19:40:01 134288 1747268 92.86 2044 963644 1488028 50.78 449816 1000144 1664 19:41:01 66444 1815112 96.47 1344 973320 1500192 51.20 490472 997380 60012 19:42:02 183852 1697704 90.23 472 949684 1301036 44.40 420376 1003940 32 19:43:01 70760 1810796 96.24 468 1056952 1291724 44.08 392268 1138548 16 19:44:01 107516 1774040 94.29 452 1071756 1089040 37.17 369004 1149984 20 19:45:01 105212 1776344 94.41 452 1074044 1089100 37.17 369328 1152144 20 19:46:01 107928 1773628 94.26 452 1074052 1071768 36.58 368804 1151000 20 19:47:01 107472 1774084 94.29 452 1074056 1071816 36.58 369112 1151012 8 19:48:01 107852 1773704 94.27 452 1074060 1071780 36.58 348716 1171276 12 19:49:01 150696 1730860 91.99 428 1021752 1276284 43.56 376824 1099904 52 19:50:01 73176 1808380 96.11 400 1043404 1495836 51.05 510104 1046652 68204 Average: 108053 1773503 94.26 834 1025952 1292185 44.10 415067 1087764 18323 19:38:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:39:01 eth0 779.86 675.24 4774.80 108.44 0.00 0.00 0.00 19:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:39:01 vethb3aa029 532.41 572.01 44.73 4162.32 0.00 0.00 0.00 19:39:01 docker0 532.41 571.88 37.45 4162.31 0.00 0.00 0.00 19:40:01 eth0 181.60 116.09 815.07 26.69 0.00 0.00 0.00 19:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:01 docker0 93.23 135.34 6.06 779.09 0.00 0.00 0.00 19:41:01 eth0 6.68 2.83 4.52 2.42 0.00 0.00 0.00 19:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:42:02 eth0 163.04 193.41 24.32 1456.75 0.00 0.00 0.00 19:42:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:42:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:43:01 eth0 323.80 363.25 22.73 2933.09 0.00 0.00 0.00 19:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:44:01 eth0 294.99 265.83 28.47 1988.32 0.00 0.00 0.00 19:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:45:01 eth0 4.68 4.08 0.55 7.06 0.00 0.00 0.00 19:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:46:01 eth0 1.87 1.60 0.38 6.91 0.00 0.00 0.00 19:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:47:01 eth0 5.98 5.76 0.63 13.74 0.00 0.00 0.00 19:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:48:01 eth0 6.00 6.18 0.76 13.78 0.00 0.00 0.00 19:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:49:01 veth13d8bdb 0.37 0.47 0.09 0.19 0.00 0.00 0.00 19:49:01 eth0 2097.75 1825.84 6501.18 6590.28 0.00 0.00 0.00 19:49:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 19:49:01 docker0 628.90 710.71 43.81 4964.28 0.00 0.00 0.00 19:50:01 eth0 140.04 90.75 2373.18 29.61 0.00 0.00 0.00 19:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:01 docker0 1.88 1.83 0.51 1.48 0.00 0.00 0.00 Average: eth0 161.48 145.61 687.11 547.66 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 52.60 59.42 3.70 414.10 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) 08/31/20 _x86_64_ (4 CPU) 19:37:10 LINUX RESTART 19:38:01 CPU %user %nice %system %iowait %steal %idle 19:39:01 all 14.12 0.00 6.10 2.26 0.01 77.50 19:39:01 0 16.92 0.00 5.84 1.27 0.02 75.94 19:39:01 1 12.42 0.00 6.37 1.20 0.02 80.00 19:39:01 2 16.37 0.00 6.67 3.45 0.00 73.52 19:39:01 3 10.80 0.00 5.53 3.11 0.02 80.54 19:40:01 all 8.91 0.00 4.76 2.09 0.03 84.21 19:40:01 0 7.34 0.00 4.74 1.19 0.02 86.71 19:40:01 1 9.64 0.00 4.26 1.73 0.03 84.34 19:40:01 2 10.49 0.00 5.89 3.13 0.03 80.46 19:40:01 3 8.16 0.00 4.15 2.33 0.02 85.34 19:41:01 all 6.21 0.00 7.62 17.53 0.19 68.44 19:41:01 0 6.16 0.00 7.31 18.72 0.20 67.61 19:41:01 1 6.38 0.00 7.41 17.05 0.22 68.94 19:41:01 2 6.09 0.00 8.03 17.22 0.19 68.47 19:41:01 3 6.19 0.00 7.74 17.18 0.15 68.74 19:42:02 all 10.76 0.00 5.72 9.00 0.16 74.36 19:42:02 0 9.97 0.00 6.04 7.95 0.17 75.86 19:42:02 1 11.13 0.00 5.65 9.65 0.15 73.41 19:42:02 2 10.85 0.00 5.77 10.99 0.19 72.20 19:42:02 3 11.06 0.00 5.40 7.36 0.17 76.01 19:43:01 all 15.10 0.00 3.43 12.53 0.08 68.85 19:43:01 0 14.57 0.00 3.92 12.00 0.09 69.42 19:43:01 1 14.61 0.00 3.61 12.77 0.09 68.92 19:43:01 2 15.51 0.00 3.37 13.40 0.07 67.66 19:43:01 3 15.76 0.00 2.82 11.97 0.09 69.36 19:44:01 all 9.03 0.00 1.40 2.48 0.03 87.07 19:44:01 0 9.72 0.00 1.69 2.41 0.02 86.16 19:44:01 1 8.39 0.00 1.29 2.76 0.05 87.51 19:44:01 2 8.71 0.00 1.39 2.48 0.03 87.39 19:44:01 3 9.28 0.00 1.24 2.25 0.00 87.23 19:45:01 all 0.06 0.00 0.05 0.00 0.00 99.88 19:45:01 0 0.03 0.00 0.07 0.00 0.00 99.90 19:45:01 1 0.10 0.00 0.07 0.00 0.00 99.83 19:45:01 2 0.05 0.00 0.03 0.00 0.00 99.92 19:45:01 3 0.08 0.00 0.03 0.00 0.02 99.87 19:46:01 all 0.06 0.00 0.04 0.00 0.00 99.90 19:46:01 0 0.05 0.00 0.03 0.00 0.00 99.92 19:46:01 1 0.08 0.00 0.05 0.00 0.00 99.87 19:46:01 2 0.05 0.00 0.03 0.00 0.00 99.92 19:46:01 3 0.07 0.00 0.05 0.00 0.00 99.88 19:47:01 all 0.06 0.00 0.06 0.00 0.00 99.88 19:47:01 0 0.03 0.00 0.05 0.00 0.00 99.92 19:47:01 1 0.07 0.00 0.07 0.00 0.00 99.87 19:47:01 2 0.08 0.00 0.03 0.00 0.00 99.88 19:47:01 3 0.07 0.00 0.08 0.00 0.00 99.85 19:48:01 all 0.07 0.00 0.06 0.00 0.00 99.87 19:48:01 0 0.07 0.00 0.08 0.00 0.00 99.85 19:48:01 1 0.10 0.00 0.08 0.00 0.00 99.82 19:48:01 2 0.07 0.00 0.05 0.00 0.00 99.88 19:48:01 3 0.05 0.00 0.05 0.00 0.00 99.90 19:49:01 all 0.81 0.00 0.68 0.32 0.00 98.18 19:49:01 0 1.05 0.00 0.95 0.15 0.00 97.85 19:49:01 1 0.65 0.00 0.42 0.92 0.00 98.01 19:49:01 2 0.78 0.00 0.73 0.08 0.00 98.40 19:49:01 3 0.78 0.00 0.62 0.13 0.00 98.46 19:50:01 all 3.44 0.00 2.28 1.35 0.02 92.91 19:50:01 0 3.08 0.00 2.31 0.33 0.02 94.26 19:50:01 1 3.33 0.00 2.17 1.89 0.05 92.56 19:50:01 2 3.93 0.00 2.26 1.77 0.02 92.02 19:50:01 3 3.37 0.00 2.36 1.37 0.02 92.88 Average: all 5.68 0.00 2.67 3.92 0.04 87.68 Average: 0 5.71 0.00 2.74 3.64 0.04 87.87 Average: 1 5.55 0.00 2.61 3.96 0.05 87.83 Average: 2 6.05 0.00 2.85 4.34 0.04 86.72 Average: 3 5.42 0.00 2.49 3.75 0.04 88.29