---> uname -a: Linux 909a7b17eb4d 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 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-84 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/y_app-service-configurable_PR-84@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 665 119 0 1052 1066 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) 22:21:56 LINUX RESTART 22:23:02 tps rtps wtps bread/s bwrtn/s 22:24:01 1.54 0.00 1.54 0.00 32.21 22:25:01 0.43 0.00 0.43 0.00 6.23 22:26:02 0.37 0.00 0.37 0.00 4.66 22:27:01 0.29 0.00 0.29 0.00 3.12 22:28:01 0.27 0.00 0.27 0.00 4.25 22:29:01 0.23 0.02 0.22 0.13 2.12 22:30:01 0.35 0.00 0.35 0.00 3.76 22:31:01 0.20 0.00 0.20 0.00 2.70 22:32:01 0.27 0.00 0.27 0.00 3.48 22:33:01 0.28 0.00 0.28 0.00 3.02 22:34:01 134.95 86.42 48.53 6738.29 19028.81 Average: 12.70 7.89 4.81 614.91 1742.38 22:23:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:24:01 166464 1715092 91.15 2620 1133804 1092568 37.29 442976 1112944 12 22:25:01 165028 1716528 91.23 2620 1133808 1080424 36.87 445808 1111984 8 22:26:02 166064 1715492 91.17 2620 1133816 1080232 36.87 444780 1111988 8 22:27:01 164512 1717044 91.26 2620 1133816 1080232 36.87 446828 1111496 8 22:28:01 164316 1717240 91.27 2620 1133820 1080368 36.87 450404 1108328 8 22:29:01 164528 1717028 91.26 2620 1133836 1080424 36.87 450040 1108328 12 22:30:01 164348 1717208 91.27 2620 1133836 1080496 36.88 441600 1117160 8 22:31:01 164520 1717036 91.26 2620 1133844 1080424 36.87 441220 1117164 8 22:32:01 163052 1718504 91.33 2620 1133848 1080724 36.88 442956 1117160 8 22:33:01 164004 1717552 91.28 2620 1133856 1080508 36.88 438896 1120084 12 22:34:01 89968 1791588 95.22 2620 1118648 1278640 43.64 465360 1115120 3380 Average: 157891 1723665 91.61 2620 1132448 1099549 37.53 446443 1113796 316 22:23:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:24:01 eth0 2.95 1.35 2.10 0.11 0.00 0.00 0.00 22:24:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:24:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:25:01 eth0 1.02 0.33 0.32 0.20 0.00 0.00 0.00 22:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:25:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:26:02 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 22:26:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:26:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:27:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 22:27:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:27:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:28:01 eth0 0.27 0.18 0.14 0.07 0.00 0.00 0.00 22:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:29:01 eth0 0.05 0.03 0.00 0.00 0.00 0.00 0.00 22:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:30:01 eth0 0.18 0.13 0.12 0.01 0.00 0.00 0.00 22:30:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:31:01 eth0 0.57 0.08 0.05 0.01 0.00 0.00 0.00 22:31:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:31:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:32:01 eth0 0.65 0.52 0.28 0.21 0.00 0.00 0.00 22:32:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:32:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:33:01 eth0 0.48 0.15 0.11 0.07 0.00 0.00 0.00 22:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:33:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:34:01 eth0 103.16 68.63 2334.07 12.12 0.00 0.00 0.00 22:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 9.99 6.53 213.28 1.17 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 22:21:56 LINUX RESTART 22:23:02 CPU %user %nice %system %iowait %steal %idle 22:24:01 all 0.15 0.00 0.05 0.00 0.00 99.81 22:24:01 0 0.31 0.00 0.07 0.00 0.00 99.63 22:24:01 1 0.10 0.00 0.03 0.00 0.00 99.86 22:24:01 2 0.15 0.00 0.05 0.00 0.02 99.78 22:24:01 3 0.03 0.00 0.03 0.00 0.00 99.93 22:25:01 all 0.05 0.00 0.03 0.00 0.00 99.92 22:25:01 0 0.10 0.00 0.03 0.00 0.00 99.87 22:25:01 1 0.05 0.00 0.03 0.00 0.00 99.92 22:25:01 2 0.05 0.00 0.02 0.00 0.00 99.93 22:25:01 3 0.02 0.00 0.02 0.00 0.00 99.97 22:26:02 all 0.15 0.00 0.02 0.00 0.00 99.83 22:26:02 0 0.52 0.00 0.03 0.00 0.00 99.45 22:26:02 1 0.05 0.00 0.05 0.00 0.00 99.90 22:26:02 2 0.03 0.00 0.02 0.02 0.00 99.93 22:26:02 3 0.02 0.00 0.02 0.00 0.00 99.97 22:27:01 all 0.15 0.00 0.03 0.00 0.00 99.82 22:27:01 0 0.51 0.00 0.02 0.00 0.00 99.48 22:27:01 1 0.02 0.00 0.03 0.00 0.00 99.95 22:27:01 2 0.02 0.00 0.03 0.00 0.00 99.95 22:27:01 3 0.03 0.00 0.02 0.00 0.00 99.95 22:28:01 all 0.16 0.00 0.03 0.00 0.00 99.81 22:28:01 0 0.52 0.00 0.05 0.00 0.00 99.43 22:28:01 1 0.05 0.00 0.02 0.00 0.00 99.93 22:28:01 2 0.02 0.00 0.02 0.00 0.00 99.97 22:28:01 3 0.03 0.00 0.03 0.00 0.00 99.93 22:29:01 all 0.15 0.00 0.02 0.00 0.00 99.83 22:29:01 0 0.52 0.00 0.03 0.00 0.00 99.45 22:29:01 1 0.05 0.00 0.03 0.02 0.00 99.90 22:29:01 2 0.03 0.00 0.03 0.00 0.00 99.93 22:29:01 3 0.02 0.00 0.02 0.00 0.00 99.97 22:30:01 all 0.16 0.00 0.03 0.00 0.00 99.80 22:30:01 0 0.52 0.00 0.02 0.00 0.00 99.47 22:30:01 1 0.05 0.00 0.05 0.00 0.00 99.90 22:30:01 2 0.02 0.00 0.03 0.00 0.00 99.95 22:30:01 3 0.03 0.00 0.02 0.00 0.00 99.95 22:31:01 all 0.16 0.00 0.02 0.00 0.00 99.82 22:31:01 0 0.50 0.00 0.02 0.00 0.00 99.48 22:31:01 1 0.07 0.00 0.07 0.00 0.00 99.87 22:31:01 2 0.03 0.00 0.02 0.00 0.00 99.95 22:31:01 3 0.03 0.00 0.02 0.00 0.00 99.95 22:32:01 all 0.16 0.00 0.03 0.00 0.00 99.80 22:32:01 0 0.55 0.00 0.03 0.00 0.00 99.42 22:32:01 1 0.03 0.00 0.02 0.00 0.00 99.95 22:32:01 2 0.03 0.00 0.03 0.00 0.00 99.93 22:32:01 3 0.03 0.00 0.03 0.00 0.00 99.93 22:33:01 all 0.15 0.00 0.02 0.00 0.00 99.83 22:33:01 0 0.52 0.00 0.02 0.00 0.00 99.47 22:33:01 1 0.03 0.00 0.03 0.00 0.00 99.93 22:33:01 2 0.03 0.00 0.02 0.00 0.00 99.95 22:33:01 3 0.03 0.00 0.02 0.00 0.00 99.95 22:34:01 all 5.06 0.00 2.48 1.95 0.01 90.51 22:34:01 0 4.42 0.00 2.69 0.64 0.02 92.23 22:34:01 1 4.97 0.00 2.29 2.56 0.00 90.17 22:34:01 2 6.39 0.00 2.56 3.20 0.00 87.85 22:34:01 3 4.43 0.00 2.36 1.39 0.02 91.80 Average: all 0.59 0.00 0.25 0.18 0.00 98.98 Average: 0 0.81 0.00 0.27 0.06 0.00 98.85 Average: 1 0.50 0.00 0.24 0.23 0.00 99.03 Average: 2 0.62 0.00 0.26 0.29 0.00 98.83 Average: 3 0.43 0.00 0.23 0.13 0.00 99.21