---> uname -a: Linux 9a3f130c1bc3 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@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 724 137 0 975 1029 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) 18:58:47 LINUX RESTART 19:00:01 tps rtps wtps bread/s bwrtn/s 19:01:01 200.13 17.37 182.76 1858.33 37729.53 19:02:02 453.49 253.03 200.47 17293.22 24917.02 19:03:01 601.29 448.49 152.79 26928.37 27054.52 19:04:01 571.36 567.70 3.66 17626.64 138.06 19:05:01 360.61 359.85 0.77 14101.81 8.54 19:06:01 0.95 0.12 0.83 74.88 13.24 19:07:01 0.20 0.00 0.20 0.00 1.92 19:08:01 0.25 0.00 0.25 0.00 2.85 19:09:01 0.27 0.00 0.27 0.00 3.01 19:10:01 37.06 21.60 15.47 3396.60 848.00 Average: 222.01 166.38 55.63 8099.58 9048.52 19:00:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:01:01 134160 1747396 92.87 2596 949520 1467952 50.10 451404 1000144 67464 19:02:02 73472 1808084 96.10 1496 1039220 1488768 50.81 502772 1014616 76860 19:03:01 331236 1550320 82.40 716 845472 1299888 44.36 412332 881300 32 19:04:01 71252 1810304 96.21 628 1095132 1299816 44.36 406568 1138452 16 19:05:01 108788 1772768 94.22 504 1098304 1094220 37.34 395112 1133336 20 19:06:01 110800 1770756 94.11 504 1100580 1079180 36.83 392400 1134656 16 19:07:01 111304 1770252 94.08 504 1100616 1077124 36.76 392288 1134644 24 19:08:01 111444 1770112 94.08 504 1100588 1077124 36.76 392232 1134632 8 19:09:01 109728 1771828 94.17 504 1100596 1077456 36.77 392928 1135404 8 19:10:01 175520 1706036 90.67 464 1021396 1299360 44.34 413412 1048464 52 Average: 133770 1747786 92.89 842 1045142 1226089 41.84 415145 1075565 14450 19:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 19:01:01 veth1fff084 414.12 552.80 29.38 4564.33 0.00 0.00 0.00 19:01:01 eth0 613.51 451.51 4599.03 83.14 0.00 0.00 0.00 19:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:01:01 docker0 414.12 552.80 23.71 4564.33 0.00 0.00 0.00 19:02:02 eth0 30.87 16.19 25.02 13.52 0.00 0.00 0.00 19:02:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:02:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:03:01 eth0 89.66 104.65 19.48 720.35 0.00 0.00 0.00 19:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:04:01 eth0 308.41 416.00 25.25 3339.02 0.00 0.00 0.00 19:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:05:01 eth0 279.04 363.43 28.22 2753.46 0.00 0.00 0.00 19:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:06:01 eth0 0.10 0.10 0.01 0.21 0.00 0.00 0.00 19:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:07:01 eth0 0.07 0.07 0.01 0.01 0.00 0.00 0.00 19:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:08:01 eth0 0.80 0.08 0.06 0.01 0.00 0.00 0.00 19:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:09:01 eth0 4.50 4.33 0.53 7.10 0.00 0.00 0.00 19:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:10:01 veth33c0b63 0.30 0.33 0.05 0.15 0.00 0.00 0.00 19:10:01 eth0 1943.81 1743.02 6482.51 7040.87 0.00 0.00 0.00 19:10:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 19:10:01 docker0 489.11 641.43 28.85 4937.49 0.00 0.00 0.00 Average: veth33c0b63 0.03 0.03 0.01 0.02 0.00 0.00 0.00 Average: eth0 139.09 140.77 490.66 697.50 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 41.65 55.54 2.41 457.60 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) 18:58:47 LINUX RESTART 19:00:01 CPU %user %nice %system %iowait %steal %idle 19:01:01 all 16.03 0.00 6.97 1.36 0.32 75.31 19:01:01 0 13.28 0.00 6.35 0.51 0.31 79.55 19:01:01 1 14.75 0.00 6.96 1.26 0.37 76.66 19:01:01 2 13.64 0.00 7.70 1.01 0.30 77.35 19:01:01 3 22.43 0.00 6.85 2.63 0.34 67.75 19:02:02 all 7.98 0.00 6.93 8.71 0.55 75.83 19:02:02 0 6.76 0.00 6.93 9.42 0.65 76.24 19:02:02 1 7.78 0.00 7.11 8.37 0.49 76.25 19:02:02 2 9.63 0.00 7.65 9.44 0.45 72.82 19:02:02 3 7.78 0.00 6.00 7.63 0.59 78.00 19:03:01 all 8.98 0.00 7.86 12.73 0.32 70.11 19:03:01 0 8.57 0.00 7.80 11.42 0.33 71.88 19:03:01 1 8.79 0.00 7.93 12.13 0.33 70.83 19:03:01 2 9.45 0.00 8.02 14.99 0.27 67.27 19:03:01 3 9.12 0.00 7.71 12.36 0.33 70.49 19:04:01 all 18.86 0.00 3.19 10.05 0.51 67.39 19:04:01 0 18.53 0.00 3.42 9.87 0.54 67.64 19:04:01 1 18.60 0.00 3.12 10.00 0.51 67.77 19:04:01 2 19.34 0.00 3.19 10.42 0.51 66.55 19:04:01 3 18.99 0.00 3.01 9.91 0.49 67.60 19:05:01 all 14.80 0.00 2.40 5.33 0.42 77.05 19:05:01 0 13.31 0.00 2.46 5.17 0.40 78.66 19:05:01 1 15.64 0.00 2.30 5.18 0.47 76.41 19:05:01 2 15.88 0.00 2.67 5.63 0.40 75.41 19:05:01 3 14.39 0.00 2.18 5.35 0.39 77.69 19:06:01 all 0.04 0.00 0.03 0.00 0.01 99.91 19:06:01 0 0.02 0.00 0.02 0.00 0.02 99.95 19:06:01 1 0.07 0.00 0.07 0.00 0.02 99.85 19:06:01 2 0.03 0.00 0.03 0.00 0.02 99.92 19:06:01 3 0.05 0.00 0.03 0.00 0.02 99.90 19:07:01 all 0.04 0.00 0.03 0.00 0.02 99.91 19:07:01 0 0.02 0.00 0.02 0.00 0.00 99.97 19:07:01 1 0.07 0.00 0.05 0.00 0.03 99.85 19:07:01 2 0.03 0.00 0.02 0.00 0.00 99.95 19:07:01 3 0.03 0.00 0.02 0.00 0.03 99.92 19:08:01 all 0.02 0.00 0.03 0.00 0.01 99.95 19:08:01 0 0.02 0.00 0.02 0.00 0.00 99.97 19:08:01 1 0.02 0.00 0.00 0.00 0.00 99.98 19:08:01 2 0.03 0.00 0.03 0.00 0.00 99.93 19:08:01 3 0.02 0.00 0.02 0.00 0.00 99.97 19:09:01 all 0.06 0.00 0.04 0.00 0.00 99.90 19:09:01 0 0.05 0.00 0.03 0.00 0.00 99.92 19:09:01 1 0.03 0.00 0.03 0.00 0.02 99.92 19:09:01 2 0.12 0.00 0.07 0.00 0.02 99.80 19:09:01 3 0.05 0.00 0.02 0.00 0.02 99.92 19:10:01 all 2.21 0.00 1.77 0.54 0.12 95.36 19:10:01 0 2.11 0.00 1.98 0.32 0.08 95.51 19:10:01 1 2.13 0.00 1.72 0.42 0.08 95.65 19:10:01 2 2.11 0.00 1.89 1.19 0.10 94.71 19:10:01 3 2.49 0.00 1.51 0.25 0.18 95.56 Average: all 6.86 0.00 2.90 3.84 0.23 86.17 Average: 0 6.22 0.00 2.88 3.65 0.23 87.02 Average: 1 6.76 0.00 2.91 3.70 0.23 86.40 Average: 2 6.99 0.00 3.11 4.23 0.21 85.47 Average: 3 7.48 0.00 2.71 3.76 0.24 85.81