---> uname -a: Linux 5968143ea456 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% /w/workspace/y_app-service-configurable_PR-76 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/y_app-service-configurable_PR-76@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 673 133 0 1030 1058 Swap: 1023 0 1023 ---> 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) 06/09/20 _x86_64_ (4 CPU) 12:51:37 LINUX RESTART 12:52:02 tps rtps wtps bread/s bwrtn/s 12:53:01 116.25 42.57 73.68 7610.97 25907.87 12:54:01 2.63 0.00 2.63 0.00 58.92 12:55:01 0.38 0.00 0.38 0.00 6.08 12:56:01 0.25 0.00 0.25 0.00 2.83 12:57:01 0.15 0.00 0.15 0.00 1.88 12:58:01 0.37 0.00 0.37 0.00 5.41 Average: 19.75 7.00 12.75 1251.48 4272.61 12:52:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:53:01 168936 1712620 91.02 2620 1119500 1118372 38.17 442324 1110980 120 12:54:01 174448 1707108 90.73 2620 1119624 1082804 36.95 440288 1108708 20 12:55:01 171240 1710316 90.90 2620 1119632 1083020 36.96 444872 1107400 16 12:56:01 170968 1710588 90.91 2620 1119632 1083068 36.96 445204 1107400 8 12:57:01 171584 1709972 90.88 2620 1119636 1082804 36.95 447848 1104312 16 12:58:01 171324 1710232 90.89 2620 1119644 1082888 36.96 449140 1103444 12 Average: 171417 1710139 90.89 2620 1119611 1088826 37.16 444946 1107041 32 12:52:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 12:53:01 eth0 472.75 288.66 1057.18 91.00 0.00 0.00 0.00 12:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:53:01 docker0 1.62 1.29 0.38 2.77 0.00 0.00 0.00 12:54:01 eth0 0.75 0.08 0.06 0.01 0.00 0.00 0.00 12:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:55:01 eth0 0.92 0.47 0.35 0.18 0.00 0.00 0.00 12:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:56:01 eth0 0.60 0.32 0.28 0.23 0.00 0.00 0.00 12:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:57:01 eth0 0.12 0.10 0.01 0.01 0.00 0.00 0.00 12:57:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:57:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:58:01 eth0 0.25 0.18 0.14 0.07 0.00 0.00 0.00 12:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 78.17 47.66 173.97 15.05 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 0.46 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) 06/09/20 _x86_64_ (4 CPU) 12:51:37 LINUX RESTART 12:52:02 CPU %user %nice %system %iowait %steal %idle 12:53:01 all 13.81 0.00 6.12 6.63 0.03 73.42 12:53:01 0 14.54 0.00 6.43 6.67 0.03 72.32 12:53:01 1 12.58 0.00 6.16 7.01 0.03 74.22 12:53:01 2 13.77 0.00 5.14 9.08 0.02 72.00 12:53:01 3 14.34 0.00 6.76 3.78 0.03 75.09 12:54:01 all 0.15 0.00 0.04 0.00 0.00 99.81 12:54:01 0 0.02 0.00 0.03 0.00 0.00 99.95 12:54:01 1 0.05 0.00 0.05 0.00 0.00 99.90 12:54:01 2 0.48 0.00 0.05 0.00 0.00 99.47 12:54:01 3 0.03 0.00 0.02 0.00 0.00 99.95 12:55:01 all 0.12 0.00 0.03 0.00 0.00 99.85 12:55:01 0 0.03 0.00 0.02 0.00 0.00 99.95 12:55:01 1 0.07 0.00 0.07 0.00 0.00 99.87 12:55:01 2 0.35 0.00 0.03 0.00 0.02 99.60 12:55:01 3 0.03 0.00 0.02 0.00 0.00 99.95 12:56:01 all 0.10 0.00 0.03 0.00 0.00 99.87 12:56:01 0 0.02 0.00 0.02 0.00 0.00 99.97 12:56:01 1 0.05 0.00 0.03 0.00 0.00 99.92 12:56:01 2 0.33 0.00 0.03 0.00 0.00 99.63 12:56:01 3 0.02 0.00 0.03 0.00 0.00 99.95 12:57:01 all 0.16 0.00 0.03 0.00 0.00 99.81 12:57:01 0 0.02 0.00 0.05 0.00 0.00 99.93 12:57:01 1 0.05 0.00 0.05 0.00 0.00 99.90 12:57:01 2 0.52 0.00 0.00 0.00 0.00 99.48 12:57:01 3 0.05 0.00 0.05 0.00 0.00 99.90 12:58:01 all 0.15 0.00 0.05 0.00 0.00 99.79 12:58:01 0 0.02 0.00 0.02 0.00 0.00 99.97 12:58:01 1 0.03 0.00 0.15 0.00 0.00 99.82 12:58:01 2 0.53 0.00 0.02 0.00 0.00 99.45 12:58:01 3 0.03 0.00 0.05 0.00 0.00 99.92 Average: all 2.37 0.00 1.03 1.08 0.00 95.51 Average: 0 2.39 0.00 1.07 1.09 0.01 95.44 Average: 1 2.10 0.00 1.07 1.15 0.01 95.69 Average: 2 2.62 0.00 0.86 1.48 0.01 95.03 Average: 3 2.37 0.00 1.13 0.62 0.01 95.88