---> uname -a: Linux c5b0a154d910 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-97 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/y_app-service-configurable_PR-97@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 644 125 0 1068 1087 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) 07/16/20 _x86_64_ (4 CPU) 22:37:16 LINUX RESTART 22:38:01 tps rtps wtps bread/s bwrtn/s 22:39:01 52.44 13.49 38.95 4616.42 2700.87 22:40:01 1.58 0.00 1.58 0.00 30.53 22:41:01 58.57 46.64 11.94 4713.02 7601.17 Average: 37.54 20.04 17.49 3110.07 3444.61 22:38:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:39:01 162688 1718868 91.35 2620 1150444 1114268 38.03 402828 1155624 8 22:40:01 166216 1715340 91.17 2620 1150448 1092288 37.28 402352 1153080 20 22:41:01 65924 1815632 96.50 2620 1156648 1525340 52.06 522108 1117008 93464 Average: 131609 1749947 93.01 2620 1152513 1243965 42.45 442429 1141904 31164 22:38:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:39:01 eth0 310.49 195.34 681.11 71.06 0.00 0.00 0.00 22:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:39:01 docker0 1.90 1.80 0.43 3.14 0.00 0.00 0.00 22:40:01 eth0 4.23 1.82 2.99 0.12 0.00 0.00 0.00 22:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:41:01 eth0 86.06 58.69 2324.60 8.28 0.00 0.00 0.00 22:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 133.60 85.28 1003.03 26.49 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.63 0.60 0.14 1.05 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) 07/16/20 _x86_64_ (4 CPU) 22:37:16 LINUX RESTART 22:38:01 CPU %user %nice %system %iowait %steal %idle 22:39:01 all 5.89 0.00 1.84 2.00 0.01 90.26 22:39:01 0 5.74 0.00 2.21 2.37 0.02 89.66 22:39:01 1 6.20 0.00 1.77 4.19 0.02 87.82 22:39:01 2 5.98 0.00 1.62 0.28 0.02 92.10 22:39:01 3 5.62 0.00 1.76 1.17 0.00 91.45 22:40:01 all 0.16 0.00 0.04 0.00 0.00 99.80 22:40:01 0 0.05 0.00 0.05 0.00 0.00 99.90 22:40:01 1 0.17 0.00 0.05 0.00 0.00 99.78 22:40:01 2 0.40 0.00 0.05 0.00 0.00 99.55 22:40:01 3 0.03 0.00 0.03 0.00 0.00 99.93 22:41:01 all 2.86 0.00 1.20 0.84 0.02 95.09 22:41:01 0 2.87 0.00 1.42 1.00 0.02 94.68 22:41:01 1 3.07 0.00 1.03 1.02 0.05 94.83 22:41:01 2 3.04 0.00 1.37 0.85 0.00 94.74 22:41:01 3 2.46 0.00 0.97 0.47 0.02 96.09 Average: all 2.97 0.00 1.03 0.94 0.01 95.05 Average: 0 2.88 0.00 1.22 1.12 0.01 94.76 Average: 1 3.14 0.00 0.95 1.74 0.02 94.15 Average: 2 3.14 0.00 1.01 0.38 0.01 95.47 Average: 3 2.70 0.00 0.92 0.55 0.01 95.83