---> uname -a: Linux cc6f1c92d38b 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-99 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/y_app-service-configurable_PR-99@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 631 112 0 1093 1100 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) 07/22/20 _x86_64_ (4 CPU) 18:49:42 LINUX RESTART 18:50:02 tps rtps wtps bread/s bwrtn/s 18:51:02 179.50 104.97 74.53 11741.49 39027.62 18:52:01 18.18 3.33 14.85 1097.65 1965.87 18:53:01 1.63 0.00 1.63 0.00 29.49 18:54:01 0.23 0.00 0.23 0.00 2.96 18:55:01 0.15 0.00 0.15 0.00 1.88 18:56:01 0.38 0.00 0.38 0.00 5.11 18:57:02 0.35 0.02 0.33 0.13 4.73 18:58:01 0.29 0.00 0.29 0.00 3.17 18:59:01 0.28 0.00 0.28 0.00 2.73 19:00:01 0.18 0.00 0.18 0.00 2.48 19:01:01 0.33 0.02 0.32 0.13 3.38 19:02:01 32.56 32.21 0.35 3420.88 7.03 Average: 19.34 11.63 7.71 1344.53 3383.08 18:50:02 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:51:02 68096 1813460 96.38 2620 1226756 1529384 52.20 451300 1204392 26972 18:52:01 166532 1715024 91.15 2620 1165356 1147856 39.17 421656 1133584 20 18:53:01 176940 1704616 90.60 2620 1165364 1079360 36.84 416732 1129256 8 18:54:01 174332 1707224 90.73 2620 1165364 1079624 36.85 420076 1128668 8 18:55:01 176072 1705484 90.64 2620 1165372 1079428 36.84 423748 1123556 8 18:56:01 175472 1706084 90.67 2620 1165376 1079524 36.84 424144 1123556 8 18:57:02 175948 1705608 90.65 2620 1165380 1079428 36.84 430824 1116568 12 18:58:01 175888 1705668 90.65 2620 1165388 1079428 36.84 426444 1120840 8 18:59:01 176120 1705436 90.64 2620 1165392 1079428 36.84 426448 1120840 8 19:00:01 176252 1705304 90.63 2620 1165404 1079428 36.84 416544 1130636 8 19:01:01 174428 1707128 90.73 2620 1165404 1082272 36.94 417876 1130684 16 19:02:01 67356 1814200 96.42 2620 1246836 1115748 38.08 427364 1224892 116 Average: 156953 1724603 91.66 2620 1177283 1125909 38.43 425263 1140623 2266 18:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 18:51:02 eth0 243.91 149.59 1058.93 61.16 0.00 0.00 0.00 18:51:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:51:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:52:01 eth0 25.03 19.92 29.37 25.06 0.00 0.00 0.00 18:52:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:52:01 docker0 1.42 1.29 0.24 2.75 0.00 0.00 0.00 18:53:01 eth0 1.02 0.08 0.11 0.01 0.00 0.00 0.00 18:53:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:53:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:54:01 eth0 0.80 0.60 0.52 0.40 0.00 0.00 0.00 18:54:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:54:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:55:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 18:55:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:55:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:56:01 eth0 0.27 0.20 0.14 0.07 0.00 0.00 0.00 18:56:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:56:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:57:02 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 18:57:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:57:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:58:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 18:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:59:01 eth0 0.07 0.07 0.01 0.01 0.00 0.00 0.00 18:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:01 eth0 0.02 0.02 0.00 0.00 0.00 0.00 0.00 19:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:01:01 eth0 0.22 0.18 0.08 0.07 0.00 0.00 0.00 19:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:02:01 eth0 7.90 4.95 8.59 3.01 0.00 0.00 0.00 19:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 23.04 14.50 90.47 7.40 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.12 0.11 0.02 0.23 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) 07/22/20 _x86_64_ (4 CPU) 18:49:42 LINUX RESTART 18:50:02 CPU %user %nice %system %iowait %steal %idle 18:51:02 all 16.55 0.00 9.17 15.33 15.96 42.99 18:51:02 0 14.53 0.00 8.34 12.01 17.34 47.77 18:51:02 1 14.29 0.00 8.30 18.24 15.76 43.41 18:51:02 2 19.55 0.00 12.46 15.03 14.71 38.25 18:51:02 3 17.99 0.00 7.67 15.99 15.99 42.35 18:52:01 all 1.97 0.00 1.16 0.44 2.30 94.13 18:52:01 0 2.07 0.00 1.53 1.34 2.31 92.76 18:52:01 1 2.29 0.00 0.98 0.12 2.20 94.41 18:52:01 2 1.56 0.00 0.95 0.20 2.51 94.78 18:52:01 3 1.95 0.00 1.20 0.10 2.17 94.58 18:53:01 all 0.12 0.00 0.05 0.00 0.21 99.63 18:53:01 0 0.02 0.00 0.02 0.00 0.22 99.75 18:53:01 1 0.33 0.00 0.07 0.00 0.13 99.47 18:53:01 2 0.08 0.00 0.05 0.00 0.45 99.42 18:53:01 3 0.03 0.00 0.05 0.00 0.07 99.85 18:54:01 all 0.14 0.00 0.04 0.00 0.20 99.62 18:54:01 0 0.03 0.00 0.03 0.00 0.15 99.78 18:54:01 1 0.42 0.00 0.03 0.00 0.12 99.43 18:54:01 2 0.08 0.00 0.05 0.00 0.47 99.40 18:54:01 3 0.02 0.00 0.02 0.00 0.07 99.90 18:55:01 all 0.09 0.00 0.12 0.00 0.55 99.24 18:55:01 0 0.03 0.00 0.05 0.00 0.38 99.53 18:55:01 1 0.25 0.00 0.23 0.00 0.47 99.05 18:55:01 2 0.05 0.00 0.18 0.00 0.96 98.81 18:55:01 3 0.02 0.00 0.03 0.00 0.40 99.55 18:56:01 all 0.13 0.00 0.03 0.00 0.13 99.71 18:56:01 0 0.03 0.00 0.03 0.00 0.03 99.90 18:56:01 1 0.13 0.00 0.02 0.00 0.22 99.63 18:56:01 2 0.32 0.00 0.07 0.00 0.23 99.38 18:56:01 3 0.02 0.00 0.03 0.00 0.05 99.90 18:57:02 all 0.10 0.00 0.03 0.00 0.10 99.77 18:57:02 0 0.02 0.00 0.02 0.00 0.12 99.85 18:57:02 1 0.05 0.00 0.05 0.00 0.15 99.75 18:57:02 2 0.35 0.00 0.02 0.00 0.08 99.55 18:57:02 3 0.03 0.00 0.02 0.00 0.02 99.93 18:58:01 all 0.12 0.00 0.03 0.00 0.15 99.70 18:58:01 0 0.05 0.00 0.05 0.00 0.19 99.71 18:58:01 1 0.05 0.00 0.03 0.00 0.34 99.58 18:58:01 2 0.36 0.00 0.02 0.00 0.08 99.54 18:58:01 3 0.02 0.00 0.02 0.00 0.02 99.95 18:59:01 all 0.10 0.00 0.02 0.00 0.44 99.43 18:59:01 0 0.00 0.00 0.03 0.00 0.22 99.75 18:59:01 1 0.05 0.00 0.03 0.00 0.96 98.96 18:59:01 2 0.33 0.00 0.03 0.00 0.52 99.12 18:59:01 3 0.00 0.00 0.02 0.00 0.08 99.90 19:00:01 all 0.11 0.00 0.02 0.00 0.16 99.70 19:00:01 0 0.02 0.00 0.02 0.00 0.03 99.93 19:00:01 1 0.07 0.00 0.03 0.00 0.27 99.63 19:00:01 2 0.35 0.00 0.02 0.00 0.28 99.35 19:00:01 3 0.02 0.00 0.02 0.00 0.05 99.92 19:01:01 all 0.12 0.00 0.02 0.00 0.32 99.53 19:01:01 0 0.02 0.00 0.02 0.00 0.23 99.73 19:01:01 1 0.03 0.00 0.03 0.00 0.51 99.42 19:01:01 2 0.43 0.00 0.02 0.00 0.38 99.17 19:01:01 3 0.03 0.00 0.02 0.00 0.13 99.82 19:02:01 all 0.61 0.00 0.26 1.53 1.00 96.61 19:02:01 0 0.86 0.00 0.37 1.53 0.98 96.26 19:02:01 1 0.36 0.00 0.20 0.38 1.18 97.88 19:02:01 2 0.73 0.00 0.20 1.34 0.78 96.95 19:02:01 3 0.46 0.00 0.28 2.83 1.04 95.38 Average: all 1.64 0.00 0.89 1.40 1.75 94.31 Average: 0 1.44 0.00 0.86 1.22 1.81 94.67 Average: 1 1.51 0.00 0.83 1.55 1.84 94.27 Average: 2 1.94 0.00 1.12 1.33 1.73 93.88 Average: 3 1.66 0.00 0.76 1.53 1.62 94.43