---> uname -a: Linux 4cc8e261eeb1 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-91 /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/y_app-service-configurable_PR-91@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 641 116 0 1079 1090 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) 07/08/20 _x86_64_ (4 CPU) 15:31:44 LINUX RESTART 15:32:01 tps rtps wtps bread/s bwrtn/s 15:33:01 172.49 82.67 89.81 10353.30 40231.61 15:34:01 1.71 0.00 1.71 0.00 35.93 15:35:01 0.17 0.00 0.17 0.00 2.15 15:36:01 0.20 0.00 0.20 0.00 1.75 15:37:01 0.32 0.00 0.32 0.00 5.13 15:38:01 0.32 0.00 0.32 0.00 4.35 15:39:01 0.35 0.02 0.33 0.13 3.55 15:40:01 0.25 0.00 0.25 0.00 2.60 15:41:01 0.18 0.00 0.18 0.00 2.18 15:42:01 0.27 0.00 0.27 0.00 3.65 15:43:01 0.23 0.00 0.23 0.00 2.70 Average: 16.05 7.52 8.53 941.73 3665.23 15:32:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:33:01 165528 1716028 91.20 2620 1158040 1111644 37.94 391676 1163568 120 15:34:01 173088 1708468 90.80 2620 1158228 1071720 36.58 388116 1160584 20 15:35:01 170568 1710988 90.93 2620 1158236 1072016 36.59 391172 1160372 8 15:36:01 170340 1711216 90.95 2620 1158236 1072052 36.59 391424 1160372 8 15:37:01 170404 1711152 90.94 2620 1158240 1071848 36.58 396160 1155700 8 15:38:01 169768 1711788 90.98 2620 1158248 1071932 36.58 396784 1155616 8 15:39:01 170144 1711412 90.96 2620 1158256 1071976 36.58 396364 1155616 8 15:40:01 170300 1711256 90.95 2620 1158264 1071976 36.58 389848 1162144 8 15:41:01 170104 1711452 90.96 2620 1158268 1072012 36.59 390284 1162144 8 15:42:01 170136 1711420 90.96 2620 1158276 1071976 36.58 388060 1164192 8 15:43:01 167548 1714008 91.10 2620 1158276 1072036 36.59 389324 1165648 8 Average: 169812 1711744 90.97 2620 1158233 1075563 36.71 391747 1160541 19 15:32:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 15:33:01 eth0 432.57 234.99 1035.24 89.03 0.00 0.00 0.00 15:33:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:33:01 docker0 1.83 1.53 0.42 2.84 0.00 0.00 0.00 15:34:01 eth0 0.78 0.08 0.06 0.01 0.00 0.00 0.00 15:34:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:34:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:35:01 eth0 4.86 2.65 3.86 0.30 0.00 0.00 0.00 15:35:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:35:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:36:01 eth0 0.42 0.25 0.26 0.25 0.00 0.00 0.00 15:36:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:36:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:37:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 15:37:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:37:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:38:01 eth0 0.22 0.17 0.08 0.07 0.00 0.00 0.00 15:38:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:38:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:39:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 15:39:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:39:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 15:40:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:41:01 eth0 0.20 0.20 0.07 0.01 0.00 0.00 0.00 15:41:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:41:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:42:01 eth0 0.05 0.03 0.00 0.00 0.00 0.00 0.00 15:42:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:42:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:43:01 eth0 0.18 0.15 0.08 0.07 0.00 0.00 0.00 15:43:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:43:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 39.98 21.72 94.57 8.17 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.17 0.14 0.04 0.26 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) 07/08/20 _x86_64_ (4 CPU) 15:31:44 LINUX RESTART 15:32:01 CPU %user %nice %system %iowait %steal %idle 15:33:01 all 14.63 0.00 7.59 11.58 0.01 66.19 15:33:01 0 14.19 0.00 8.27 10.10 0.00 67.43 15:33:01 1 14.59 0.00 8.30 12.99 0.00 64.12 15:33:01 2 15.73 0.00 6.64 10.67 0.00 66.96 15:33:01 3 14.00 0.00 7.18 12.56 0.00 66.26 15:34:01 all 0.15 0.00 0.06 0.00 0.00 99.79 15:34:01 0 0.07 0.00 0.05 0.00 0.00 99.88 15:34:01 1 0.05 0.00 0.05 0.00 0.00 99.90 15:34:01 2 0.45 0.00 0.03 0.00 0.00 99.52 15:34:01 3 0.05 0.00 0.08 0.00 0.00 99.87 15:35:01 all 0.22 0.00 0.04 0.00 0.00 99.74 15:35:01 0 0.05 0.00 0.07 0.00 0.00 99.88 15:35:01 1 0.08 0.00 0.03 0.00 0.00 99.88 15:35:01 2 0.60 0.00 0.03 0.00 0.00 99.37 15:35:01 3 0.17 0.00 0.03 0.00 0.00 99.80 15:36:01 all 0.07 0.00 0.05 0.00 0.00 99.88 15:36:01 0 0.05 0.00 0.03 0.00 0.00 99.92 15:36:01 1 0.03 0.00 0.05 0.00 0.00 99.92 15:36:01 2 0.20 0.00 0.05 0.00 0.00 99.75 15:36:01 3 0.03 0.00 0.03 0.00 0.00 99.93 15:37:01 all 0.15 0.00 0.04 0.00 0.00 99.82 15:37:01 0 0.03 0.00 0.07 0.00 0.00 99.90 15:37:01 1 0.03 0.00 0.02 0.00 0.00 99.95 15:37:01 2 0.47 0.00 0.05 0.00 0.00 99.48 15:37:01 3 0.03 0.00 0.03 0.00 0.00 99.93 15:38:01 all 0.15 0.00 0.04 0.00 0.00 99.82 15:38:01 0 0.00 0.00 0.05 0.00 0.00 99.95 15:38:01 1 0.02 0.00 0.03 0.00 0.02 99.93 15:38:01 2 0.53 0.00 0.05 0.00 0.00 99.42 15:38:01 3 0.02 0.00 0.00 0.00 0.00 99.98 15:39:01 all 0.15 0.00 0.02 0.00 0.00 99.82 15:39:01 0 0.03 0.00 0.02 0.00 0.00 99.95 15:39:01 1 0.03 0.00 0.03 0.00 0.00 99.93 15:39:01 2 0.53 0.00 0.02 0.00 0.00 99.45 15:39:01 3 0.03 0.00 0.05 0.00 0.00 99.92 15:40:01 all 0.11 0.00 0.03 0.00 0.00 99.85 15:40:01 0 0.03 0.00 0.03 0.00 0.00 99.93 15:40:01 1 0.03 0.00 0.03 0.00 0.00 99.93 15:40:01 2 0.38 0.00 0.03 0.00 0.00 99.58 15:40:01 3 0.00 0.00 0.02 0.00 0.00 99.98 15:41:01 all 0.15 0.00 0.02 0.00 0.00 99.82 15:41:01 0 0.53 0.00 0.03 0.00 0.00 99.43 15:41:01 1 0.02 0.00 0.05 0.00 0.00 99.93 15:41:01 2 0.02 0.00 0.03 0.00 0.00 99.95 15:41:01 3 0.03 0.00 0.00 0.00 0.00 99.97 15:42:01 all 0.15 0.00 0.03 0.00 0.00 99.81 15:42:01 0 0.53 0.00 0.03 0.00 0.00 99.43 15:42:01 1 0.05 0.00 0.05 0.00 0.00 99.90 15:42:01 2 0.02 0.00 0.02 0.00 0.00 99.97 15:42:01 3 0.03 0.00 0.02 0.00 0.02 99.93 15:43:01 all 0.15 0.00 0.03 0.00 0.00 99.81 15:43:01 0 0.53 0.00 0.02 0.00 0.00 99.45 15:43:01 1 0.03 0.00 0.05 0.00 0.00 99.92 15:43:01 2 0.05 0.00 0.05 0.00 0.00 99.90 15:43:01 3 0.02 0.00 0.03 0.00 0.00 99.95 Average: all 1.45 0.00 0.72 1.04 0.00 96.78 Average: 0 1.45 0.00 0.78 0.91 0.00 96.85 Average: 1 1.35 0.00 0.79 1.17 0.00 96.69 Average: 2 1.71 0.00 0.63 0.96 0.00 96.69 Average: 3 1.30 0.00 0.67 1.13 0.00 96.90