---> uname -a: Linux 7511ca29fe29 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: 2933.436 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/_app-service-configurable_master@tmp /dev/vda1 50.0G 7.2G 42.8G 14% /var/log/sa /dev/vda1 50.0G 7.2G 42.8G 14% /w/workspace/_app-service-configurable_master ---> free -m: total used free shared buff/cache available Mem: 1837 649 124 0 1063 1081 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) 17:00:37 LINUX RESTART 17:01:01 tps rtps wtps bread/s bwrtn/s 17:02:01 83.55 34.27 49.28 7287.44 5043.32 17:03:01 1.57 0.00 1.57 0.00 30.86 17:04:01 0.33 0.00 0.33 0.00 4.74 17:05:02 0.37 0.00 0.37 0.00 5.93 17:06:01 0.20 0.00 0.20 0.00 2.74 17:07:01 0.28 0.00 0.28 0.00 4.03 17:08:01 0.22 0.02 0.20 0.13 2.18 17:09:01 0.18 0.00 0.18 0.00 2.03 17:10:01 0.28 0.00 0.28 0.00 3.21 17:11:01 0.23 0.00 0.23 0.00 2.85 17:12:01 0.23 0.00 0.23 0.00 2.18 17:13:01 0.17 0.00 0.17 0.00 1.48 Average: 7.32 2.86 4.45 608.76 426.48 17:01:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:02:01 164096 1717460 91.28 2620 1145608 1134016 38.70 421316 1134388 120 17:03:01 168156 1713400 91.06 2620 1145800 1102796 37.64 420412 1132364 20 17:04:01 169144 1712412 91.01 2620 1145804 1073216 36.63 421132 1131064 16 17:05:02 166968 1714588 91.13 2620 1145804 1073324 36.63 423800 1131064 20 17:06:01 165860 1715696 91.18 2620 1145812 1073240 36.63 430120 1125400 20 17:07:01 164228 1717328 91.27 2620 1145816 1073156 36.62 432536 1125076 16 17:08:01 164260 1717296 91.27 2620 1145824 1073084 36.62 432260 1125076 8 17:09:01 164892 1716664 91.24 2620 1145828 1073036 36.62 420712 1136372 8 17:10:01 163956 1717600 91.29 2620 1145836 1073168 36.63 421428 1136372 20 17:11:01 164712 1716844 91.25 2620 1145840 1073036 36.62 419984 1137116 16 17:12:01 164920 1716636 91.23 2620 1145844 1073108 36.62 420216 1137152 8 17:13:01 163908 1717648 91.29 2620 1145848 1073216 36.63 421036 1137148 16 Average: 165425 1716131 91.21 2620 1145805 1080700 36.88 423746 1132383 24 17:01:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:02:01 eth0 325.25 178.97 1028.25 80.53 0.00 0.00 0.00 17:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:02:01 docker0 1.76 1.61 0.41 2.87 0.00 0.00 0.00 17:03:01 eth0 2.40 0.78 1.67 0.24 0.00 0.00 0.00 17:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:04:01 eth0 1.56 0.42 0.38 0.21 0.00 0.00 0.00 17:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:05:02 eth0 2.28 0.85 0.89 0.50 0.00 0.00 0.00 17:05:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:05:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:06:01 eth0 0.56 0.52 0.28 0.28 0.00 0.00 0.00 17:06:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:06:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:07:01 eth0 0.22 0.15 0.08 0.10 0.00 0.00 0.00 17:07:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:07:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:08:01 eth0 0.22 0.18 0.07 0.01 0.00 0.00 0.00 17:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:08:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:09:01 eth0 0.10 0.08 0.01 0.01 0.00 0.00 0.00 17:09:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:09:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:01 eth0 0.48 0.32 0.27 0.17 0.00 0.00 0.00 17:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:11:01 eth0 0.08 0.08 0.01 0.04 0.00 0.00 0.00 17:11:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:11:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:12:01 eth0 0.55 0.18 0.17 0.07 0.00 0.00 0.00 17:12:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:12:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:13:01 eth0 0.63 0.27 0.29 0.20 0.00 0.00 0.00 17:13:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:13:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 27.93 15.27 86.24 6.88 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.15 0.13 0.03 0.24 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) 17:00:37 LINUX RESTART 17:01:01 CPU %user %nice %system %iowait %steal %idle 17:02:01 all 14.67 0.00 5.32 2.32 1.29 76.40 17:02:01 0 15.83 0.00 5.82 1.98 1.18 75.19 17:02:01 1 14.69 0.00 4.54 2.05 1.41 77.31 17:02:01 2 15.33 0.00 5.71 3.48 1.17 74.32 17:02:01 3 12.84 0.00 5.21 1.79 1.42 78.75 17:03:01 all 0.16 0.00 0.05 0.00 0.11 99.68 17:03:01 0 0.05 0.00 0.03 0.00 0.07 99.85 17:03:01 1 0.05 0.00 0.05 0.00 0.07 99.83 17:03:01 2 0.50 0.00 0.05 0.00 0.22 99.23 17:03:01 3 0.03 0.00 0.07 0.00 0.07 99.83 17:04:01 all 0.14 0.00 0.02 0.00 0.07 99.76 17:04:01 0 0.02 0.00 0.03 0.00 0.02 99.93 17:04:01 1 0.03 0.00 0.03 0.00 0.08 99.85 17:04:01 2 0.47 0.00 0.02 0.00 0.05 99.47 17:04:01 3 0.03 0.00 0.02 0.00 0.15 99.80 17:05:02 all 0.16 0.00 0.03 0.00 0.04 99.77 17:05:02 0 0.02 0.00 0.02 0.00 0.03 99.93 17:05:02 1 0.13 0.00 0.08 0.00 0.05 99.73 17:05:02 2 0.45 0.00 0.02 0.00 0.08 99.45 17:05:02 3 0.03 0.00 0.02 0.00 0.00 99.95 17:06:01 all 0.14 0.00 0.04 0.00 0.06 99.76 17:06:01 0 0.02 0.00 0.02 0.00 0.02 99.95 17:06:01 1 0.07 0.00 0.07 0.00 0.12 99.75 17:06:01 2 0.47 0.00 0.03 0.00 0.07 99.42 17:06:01 3 0.02 0.00 0.03 0.00 0.03 99.92 17:07:01 all 0.14 0.00 0.03 0.00 0.01 99.81 17:07:01 0 0.00 0.00 0.00 0.00 0.00 100.00 17:07:01 1 0.05 0.00 0.03 0.00 0.02 99.90 17:07:01 2 0.50 0.00 0.05 0.00 0.03 99.42 17:07:01 3 0.03 0.00 0.03 0.00 0.00 99.93 17:08:01 all 0.09 0.00 0.02 0.00 0.01 99.88 17:08:01 0 0.02 0.00 0.02 0.00 0.00 99.97 17:08:01 1 0.05 0.00 0.05 0.00 0.02 99.88 17:08:01 2 0.18 0.00 0.02 0.00 0.02 99.78 17:08:01 3 0.10 0.00 0.02 0.00 0.00 99.88 17:09:01 all 0.14 0.00 0.03 0.00 0.01 99.82 17:09:01 0 0.00 0.00 0.02 0.00 0.00 99.98 17:09:01 1 0.05 0.00 0.05 0.00 0.00 99.90 17:09:01 2 0.02 0.00 0.03 0.00 0.00 99.95 17:09:01 3 0.50 0.00 0.02 0.00 0.02 99.47 17:10:01 all 0.15 0.00 0.02 0.00 0.02 99.80 17:10:01 0 0.03 0.00 0.02 0.00 0.02 99.93 17:10:01 1 0.05 0.00 0.05 0.00 0.02 99.88 17:10:01 2 0.03 0.00 0.02 0.00 0.02 99.93 17:10:01 3 0.50 0.00 0.02 0.00 0.03 99.45 17:11:01 all 0.15 0.00 0.03 0.00 0.02 99.81 17:11:01 0 0.02 0.00 0.02 0.00 0.02 99.95 17:11:01 1 0.50 0.00 0.05 0.00 0.02 99.43 17:11:01 2 0.05 0.00 0.03 0.00 0.03 99.88 17:11:01 3 0.00 0.00 0.02 0.00 0.02 99.97 17:12:01 all 0.14 0.00 0.03 0.00 0.01 99.82 17:12:01 0 0.02 0.00 0.02 0.00 0.00 99.97 17:12:01 1 0.50 0.00 0.05 0.00 0.02 99.43 17:12:01 2 0.03 0.00 0.03 0.00 0.02 99.92 17:12:01 3 0.03 0.00 0.03 0.00 0.02 99.92 17:13:01 all 0.14 0.00 0.03 0.00 0.01 99.82 17:13:01 0 0.02 0.00 0.02 0.00 0.00 99.97 17:13:01 1 0.48 0.00 0.02 0.00 0.02 99.48 17:13:01 2 0.03 0.00 0.03 0.00 0.00 99.93 17:13:01 3 0.03 0.00 0.03 0.00 0.02 99.92 Average: all 1.34 0.00 0.47 0.19 0.14 97.86 Average: 0 1.32 0.00 0.50 0.16 0.11 97.91 Average: 1 1.38 0.00 0.42 0.17 0.15 97.88 Average: 2 1.49 0.00 0.50 0.29 0.14 97.58 Average: 3 1.17 0.00 0.46 0.15 0.15 98.08