---> uname -a: Linux bc1422308d9c 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: 2933.396 BogoMIPS: 5866.79 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/y_app-service-configurable_PR-78 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/y_app-service-configurable_PR-78@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 646 127 0 1062 1085 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) 06/05/20 _x86_64_ (4 CPU) 20:27:14 LINUX RESTART 20:28:02 tps rtps wtps bread/s bwrtn/s 20:29:01 26.36 9.02 17.34 4332.54 2160.67 20:30:01 0.67 0.00 0.67 0.00 15.24 20:31:01 0.20 0.00 0.20 0.00 2.30 20:32:01 0.27 0.00 0.27 0.00 3.48 20:33:01 0.27 0.00 0.27 0.00 4.31 20:34:01 50.21 44.81 5.40 4476.67 3770.76 Average: 12.96 8.97 3.99 1460.43 989.66 20:28:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:29:01 159332 1722224 91.53 2620 1157932 1118132 38.16 405596 1156180 32 20:30:01 165820 1715736 91.19 2620 1157880 1088448 37.15 404484 1151496 16 20:31:01 163300 1718256 91.32 2620 1157888 1088676 37.15 407872 1151288 16 20:32:01 162700 1718856 91.35 2620 1157888 1088748 37.16 408036 1151288 20 20:33:01 162608 1718948 91.36 2620 1157892 1088520 37.15 408804 1150788 12 20:34:01 71452 1810104 96.20 2620 1166168 1513916 51.67 505960 1139060 33736 Average: 147535 1734021 92.16 2620 1159275 1164407 39.74 423459 1150017 5639 20:28:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 20:29:01 eth0 55.76 41.80 339.19 32.03 0.00 0.00 0.00 20:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:29:01 docker0 1.63 1.30 0.38 2.75 0.00 0.00 0.00 20:30:01 eth0 0.63 0.07 0.06 0.01 0.00 0.00 0.00 20:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:31:01 eth0 1.23 0.62 0.57 0.36 0.00 0.00 0.00 20:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:32:01 eth0 0.93 0.47 0.32 0.24 0.00 0.00 0.00 20:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:33:01 eth0 0.22 0.20 0.08 0.07 0.00 0.00 0.00 20:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:34:01 eth0 101.38 62.31 2327.48 8.49 0.00 0.00 0.00 20:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 26.61 17.51 444.94 6.80 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.27 0.21 0.06 0.45 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) 06/05/20 _x86_64_ (4 CPU) 20:27:14 LINUX RESTART 20:28:02 CPU %user %nice %system %iowait %steal %idle 20:29:01 all 2.18 0.00 1.38 0.66 0.00 95.78 20:29:01 0 2.04 0.00 1.75 0.05 0.02 96.14 20:29:01 1 2.14 0.00 1.19 0.53 0.00 96.14 20:29:01 2 2.51 0.00 1.44 0.56 0.00 95.48 20:29:01 3 2.02 0.00 1.11 1.51 0.00 95.36 20:30:01 all 0.15 0.00 0.03 0.00 0.00 99.82 20:30:01 0 0.02 0.00 0.03 0.00 0.00 99.95 20:30:01 1 0.05 0.00 0.03 0.00 0.00 99.92 20:30:01 2 0.53 0.00 0.02 0.00 0.00 99.45 20:30:01 3 0.03 0.00 0.03 0.00 0.00 99.93 20:31:01 all 0.17 0.00 0.03 0.00 0.00 99.80 20:31:01 0 0.03 0.00 0.02 0.00 0.00 99.95 20:31:01 1 0.05 0.00 0.05 0.00 0.00 99.90 20:31:01 2 0.53 0.00 0.02 0.00 0.00 99.45 20:31:01 3 0.05 0.00 0.03 0.00 0.00 99.92 20:32:01 all 0.16 0.00 0.02 0.00 0.00 99.81 20:32:01 0 0.05 0.00 0.03 0.00 0.00 99.92 20:32:01 1 0.02 0.00 0.02 0.00 0.00 99.97 20:32:01 2 0.55 0.00 0.02 0.00 0.02 99.42 20:32:01 3 0.03 0.00 0.02 0.00 0.00 99.95 20:33:01 all 0.15 0.00 0.02 0.00 0.00 99.82 20:33:01 0 0.03 0.00 0.05 0.00 0.00 99.92 20:33:01 1 0.02 0.00 0.02 0.00 0.00 99.97 20:33:01 2 0.53 0.00 0.03 0.00 0.00 99.43 20:33:01 3 0.02 0.00 0.02 0.00 0.00 99.97 20:34:01 all 1.74 0.00 0.93 1.01 0.00 96.32 20:34:01 0 2.61 0.00 1.25 2.14 0.00 94.00 20:34:01 1 1.12 0.00 0.75 0.53 0.02 97.58 20:34:01 2 1.63 0.00 0.83 1.07 0.00 96.47 20:34:01 3 1.62 0.00 0.89 0.27 0.00 97.23 Average: all 0.75 0.00 0.40 0.28 0.00 98.57 Average: 0 0.79 0.00 0.52 0.37 0.00 98.32 Average: 1 0.56 0.00 0.34 0.18 0.00 98.92 Average: 2 1.04 0.00 0.39 0.27 0.00 98.29 Average: 3 0.62 0.00 0.35 0.29 0.00 98.74