---> uname -a: Linux 8ee01a2b5b86 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 7.2G 42.8G 14% / 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 7.2G 42.8G 14% /etc/resolv.conf /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hostname /dev/vda1 50.0G 7.2G 42.8G 14% /etc/hosts /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/mod-bootstrap_update-pr-template /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/mod-bootstrap_update-pr-template@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 660 118 0 1058 1071 Swap: 1023 1 1022 ---> 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 6: eth0@if7: 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) 06/16/20 _x86_64_ (4 CPU) 22:57:34 LINUX RESTART 22:58:01 tps rtps wtps bread/s bwrtn/s 22:59:01 83.42 34.30 49.12 7347.85 5061.94 23:00:01 2.16 0.00 2.16 0.00 36.44 23:01:01 0.55 0.02 0.53 0.13 7.20 23:02:01 0.45 0.12 0.33 2.13 5.81 23:03:01 0.30 0.00 0.30 0.00 4.20 23:04:01 0.33 0.00 0.33 0.00 5.40 23:05:02 157.04 97.42 59.62 7550.51 19999.93 Average: 34.90 18.84 16.06 2128.94 3588.99 22:58:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:59:01 158876 1722680 91.56 2620 1140724 1122728 38.32 420812 1141292 12 23:00:01 165744 1715812 91.19 2620 1140916 1080176 36.86 417952 1138708 20 23:01:01 162672 1718884 91.35 2620 1140920 1082932 36.96 420672 1138500 12 23:02:01 162708 1718848 91.35 2620 1141060 1080504 36.88 421320 1138568 20 23:03:01 160744 1720812 91.46 2620 1141068 1080636 36.88 425428 1136344 8 23:04:01 160260 1721296 91.48 2620 1141072 1080796 36.89 427048 1135316 8 23:05:02 127456 1754100 93.23 2620 1066548 1542264 52.63 491864 1058308 48 Average: 156923 1724633 91.66 2620 1130330 1152862 39.35 432157 1126719 18 22:58:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:59:01 eth0 453.40 254.01 1042.07 86.63 0.00 0.00 0.00 22:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:59:01 docker0 1.33 1.15 0.33 2.68 0.00 0.00 0.00 23:00:01 eth0 1.03 0.47 0.32 0.16 0.00 0.00 0.00 23:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:01:01 eth0 1.05 0.43 0.34 0.27 0.00 0.00 0.00 23:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:02:01 eth0 0.85 0.12 0.12 0.01 0.00 0.00 0.00 23:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:03:01 eth0 1.73 0.48 0.38 0.18 0.00 0.00 0.00 23:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:04:01 eth0 1.68 0.67 0.72 0.46 0.00 0.00 0.00 23:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:05:02 vethe2f223f 0.00 0.03 0.00 0.00 0.00 0.00 0.00 23:05:02 eth0 601.00 352.87 3427.04 103.15 0.00 0.00 0.00 23:05:02 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 23:05:02 docker0 1.33 1.15 0.33 2.68 0.00 0.00 0.00 Average: vethe2f223f 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 85.86 50.41 489.60 14.74 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.19 0.16 0.05 0.38 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) 06/16/20 _x86_64_ (4 CPU) 22:57:34 LINUX RESTART 22:58:01 CPU %user %nice %system %iowait %steal %idle 22:59:01 all 13.86 0.00 3.99 3.33 0.03 78.79 22:59:01 0 11.98 0.00 4.48 1.07 0.03 82.43 22:59:01 1 14.64 0.00 4.02 1.66 0.03 79.66 22:59:01 2 13.21 0.00 4.04 3.81 0.02 78.92 22:59:01 3 15.56 0.00 3.47 6.80 0.03 74.14 23:00:01 all 0.17 0.00 0.04 0.00 0.00 99.79 23:00:01 0 0.03 0.00 0.02 0.00 0.00 99.95 23:00:01 1 0.52 0.00 0.03 0.00 0.00 99.45 23:00:01 2 0.07 0.00 0.07 0.00 0.00 99.87 23:00:01 3 0.07 0.00 0.02 0.00 0.00 99.92 23:01:01 all 0.15 0.00 0.03 0.00 0.00 99.82 23:01:01 0 0.02 0.00 0.03 0.00 0.00 99.95 23:01:01 1 0.50 0.00 0.03 0.00 0.00 99.47 23:01:01 2 0.07 0.00 0.05 0.00 0.00 99.88 23:01:01 3 0.03 0.00 0.03 0.00 0.00 99.93 23:02:01 all 0.15 0.00 0.04 0.00 0.00 99.80 23:02:01 0 0.02 0.00 0.03 0.00 0.00 99.95 23:02:01 1 0.53 0.00 0.05 0.00 0.00 99.42 23:02:01 2 0.05 0.00 0.03 0.00 0.00 99.92 23:02:01 3 0.05 0.00 0.03 0.00 0.00 99.92 23:03:01 all 0.16 0.00 0.03 0.00 0.00 99.80 23:03:01 0 0.02 0.00 0.03 0.00 0.00 99.95 23:03:01 1 0.52 0.00 0.02 0.00 0.00 99.47 23:03:01 2 0.05 0.00 0.03 0.00 0.00 99.92 23:03:01 3 0.05 0.00 0.02 0.00 0.02 99.92 23:04:01 all 0.16 0.00 0.03 0.00 0.00 99.80 23:04:01 0 0.03 0.00 0.03 0.00 0.00 99.93 23:04:01 1 0.47 0.00 0.05 0.00 0.00 99.48 23:04:01 2 0.12 0.00 0.03 0.00 0.00 99.85 23:04:01 3 0.03 0.00 0.03 0.00 0.00 99.93 23:05:02 all 5.40 0.00 2.76 2.32 0.05 89.48 23:05:02 0 4.68 0.00 3.00 0.77 0.05 91.49 23:05:02 1 5.97 0.00 2.94 2.43 0.03 88.62 23:05:02 2 5.41 0.00 2.67 4.26 0.07 87.59 23:05:02 3 5.54 0.00 2.42 1.81 0.05 90.18 Average: all 2.85 0.00 0.98 0.80 0.01 95.35 Average: 0 2.39 0.00 1.09 0.26 0.01 96.26 Average: 1 3.30 0.00 1.02 0.58 0.01 95.10 Average: 2 2.70 0.00 0.99 1.15 0.01 95.16 Average: 3 3.03 0.00 0.86 1.22 0.01 94.87