---> uname -a: Linux d77a70eca63a 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/y_app-service-configurable_PR-96 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/y_app-service-configurable_PR-96@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 646 116 0 1073 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) 07/16/20 _x86_64_ (4 CPU) 00:40:10 LINUX RESTART 00:41:01 tps rtps wtps bread/s bwrtn/s 00:42:01 14.57 2.78 11.79 862.08 804.58 00:43:01 0.40 0.00 0.40 0.00 6.68 00:44:01 0.25 0.00 0.25 0.00 3.11 00:45:01 0.18 0.00 0.18 0.00 2.31 00:46:01 0.28 0.00 0.28 0.00 3.28 00:47:01 0.38 0.02 0.37 0.13 4.55 00:48:01 0.32 0.00 0.32 0.00 3.35 00:49:01 0.25 0.00 0.25 0.00 2.33 00:50:01 0.22 0.00 0.22 0.00 2.18 00:51:01 0.27 0.00 0.27 0.00 3.48 Average: 1.71 0.28 1.43 86.22 83.59 00:41:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:42:01 156032 1725524 91.71 2620 1157692 1126512 38.45 390276 1174288 24 00:43:01 162772 1718784 91.35 2620 1157672 1073748 36.65 388420 1170684 20 00:44:01 162604 1718952 91.36 2620 1157676 1073832 36.65 388788 1170684 16 00:45:01 161344 1720212 91.42 2620 1157680 1073640 36.64 390156 1170488 12 00:46:01 158668 1722888 91.57 2620 1157684 1073712 36.64 399856 1163720 20 00:47:01 158976 1722580 91.55 2620 1157696 1073640 36.64 399500 1163720 12 00:48:01 159140 1722416 91.54 2620 1157696 1073640 36.64 397736 1165608 8 00:49:01 159116 1722440 91.54 2620 1157704 1073640 36.64 392532 1170696 8 00:50:01 159372 1722184 91.53 2620 1157708 1073640 36.64 392412 1170696 8 00:51:01 158880 1722676 91.56 2620 1157712 1073712 36.64 391972 1171640 16 Average: 159690 1721866 91.51 2620 1157692 1078972 36.82 393165 1169222 14 00:41:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 00:42:01 eth0 23.58 16.62 24.06 16.75 0.00 0.00 0.00 00:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:42:01 docker0 1.63 1.52 0.41 3.11 0.00 0.00 0.00 00:43:01 eth0 2.11 1.03 1.09 0.07 0.00 0.00 0.00 00:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:44:01 eth0 0.50 0.33 0.28 0.20 0.00 0.00 0.00 00:44:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:44:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:45:01 eth0 1.05 0.03 0.09 0.00 0.00 0.00 0.00 00:45:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:45:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:46:01 eth0 0.57 0.28 0.17 0.08 0.00 0.00 0.00 00:46:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:46:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:47:01 eth0 0.08 0.07 0.01 0.01 0.00 0.00 0.00 00:47:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:47:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:48:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 00:48:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:48:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:49:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 00:49:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:49:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:01 eth0 0.13 0.10 0.01 0.01 0.00 0.00 0.00 00:50:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:51:01 eth0 0.22 0.20 0.08 0.04 0.00 0.00 0.00 00:51:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:51:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 2.84 1.88 2.58 1.72 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.16 0.15 0.04 0.31 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) 00:40:10 LINUX RESTART 00:41:01 CPU %user %nice %system %iowait %steal %idle 00:42:01 all 1.49 0.00 0.75 0.27 0.01 97.48 00:42:01 0 1.65 0.00 0.77 0.63 0.02 96.93 00:42:01 1 1.50 0.00 0.95 0.03 0.02 97.50 00:42:01 2 1.42 0.00 0.52 0.02 0.00 98.05 00:42:01 3 1.35 0.00 0.75 0.37 0.00 97.53 00:43:01 all 0.15 0.00 0.04 0.00 0.00 99.80 00:43:01 0 0.03 0.00 0.05 0.00 0.02 99.90 00:43:01 1 0.48 0.00 0.03 0.00 0.00 99.48 00:43:01 2 0.07 0.00 0.05 0.00 0.00 99.88 00:43:01 3 0.05 0.00 0.05 0.00 0.00 99.90 00:44:01 all 0.14 0.00 0.03 0.00 0.00 99.83 00:44:01 0 0.03 0.00 0.02 0.00 0.00 99.95 00:44:01 1 0.43 0.00 0.03 0.00 0.02 99.52 00:44:01 2 0.05 0.00 0.03 0.00 0.00 99.92 00:44:01 3 0.03 0.00 0.02 0.00 0.00 99.95 00:45:01 all 0.11 0.00 0.04 0.00 0.00 99.85 00:45:01 0 0.00 0.00 0.03 0.00 0.00 99.97 00:45:01 1 0.37 0.00 0.05 0.00 0.00 99.58 00:45:01 2 0.05 0.00 0.05 0.00 0.00 99.90 00:45:01 3 0.02 0.00 0.02 0.00 0.00 99.97 00:46:01 all 0.16 0.00 0.05 0.00 0.00 99.79 00:46:01 0 0.03 0.00 0.03 0.00 0.00 99.93 00:46:01 1 0.52 0.00 0.03 0.00 0.00 99.45 00:46:01 2 0.08 0.00 0.05 0.00 0.00 99.87 00:46:01 3 0.00 0.00 0.08 0.00 0.00 99.92 00:47:01 all 0.15 0.00 0.03 0.00 0.00 99.83 00:47:01 0 0.02 0.00 0.02 0.00 0.00 99.97 00:47:01 1 0.52 0.00 0.02 0.00 0.00 99.47 00:47:01 2 0.07 0.00 0.07 0.02 0.02 99.83 00:47:01 3 0.02 0.00 0.02 0.00 0.00 99.97 00:48:01 all 0.17 0.00 0.02 0.00 0.00 99.80 00:48:01 0 0.02 0.00 0.02 0.00 0.00 99.97 00:48:01 1 0.53 0.00 0.03 0.00 0.00 99.43 00:48:01 2 0.05 0.00 0.02 0.00 0.00 99.93 00:48:01 3 0.05 0.00 0.03 0.00 0.00 99.92 00:49:01 all 0.15 0.00 0.03 0.00 0.00 99.82 00:49:01 0 0.33 0.00 0.03 0.00 0.02 99.62 00:49:01 1 0.00 0.00 0.03 0.00 0.00 99.97 00:49:01 2 0.05 0.00 0.05 0.00 0.00 99.90 00:49:01 3 0.20 0.00 0.02 0.00 0.00 99.78 00:50:01 all 0.15 0.00 0.02 0.00 0.00 99.83 00:50:01 0 0.52 0.00 0.02 0.00 0.00 99.47 00:50:01 1 0.03 0.00 0.02 0.00 0.00 99.95 00:50:01 2 0.07 0.00 0.03 0.00 0.00 99.90 00:50:01 3 0.02 0.00 0.02 0.00 0.00 99.97 00:51:01 all 0.17 0.00 0.04 0.00 0.00 99.79 00:51:01 0 0.55 0.00 0.02 0.00 0.00 99.43 00:51:01 1 0.05 0.00 0.07 0.00 0.00 99.88 00:51:01 2 0.03 0.00 0.03 0.00 0.00 99.93 00:51:01 3 0.07 0.00 0.02 0.00 0.00 99.92 Average: all 0.28 0.00 0.11 0.03 0.00 99.58 Average: 0 0.32 0.00 0.10 0.06 0.00 99.51 Average: 1 0.44 0.00 0.13 0.00 0.00 99.42 Average: 2 0.19 0.00 0.09 0.00 0.00 99.71 Average: 3 0.18 0.00 0.10 0.04 0.00 99.68