---> uname -a: Linux 648d9c26eee4 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 7.3G 42.7G 15% / 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 7.3G 42.7G 15% /etc/resolv.conf /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hostname /dev/vda1 50.0G 7.3G 42.7G 15% /etc/hosts /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-414 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-414@tmp /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa ---> free -m: total used free shared buff/cache available Mem: 1837 678 128 0 1030 1052 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) 17:56:13 LINUX RESTART 17:57:01 tps rtps wtps bread/s bwrtn/s 17:58:01 31.70 11.17 20.53 4536.97 3222.79 17:59:01 1.43 0.00 1.43 0.00 28.11 18:00:01 0.30 0.00 0.30 0.00 3.53 18:01:01 0.28 0.02 0.27 0.13 3.15 18:02:01 0.43 0.12 0.32 2.13 6.16 18:03:01 0.32 0.00 0.32 0.00 4.10 18:04:01 0.75 0.02 0.73 0.13 8.95 18:05:01 118.37 77.89 40.48 5634.37 16669.29 Average: 19.20 11.15 8.05 1271.88 2493.34 17:57:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:58:01 200892 1680664 89.32 2620 1108192 1116168 38.09 436380 1085332 20 17:59:01 203708 1677848 89.17 2620 1108196 1084504 37.01 437784 1081812 8 18:00:01 205200 1676356 89.09 2620 1108204 1072168 36.59 437416 1081004 8 18:01:01 201396 1680160 89.30 2620 1108204 1075104 36.69 441284 1080680 8 18:02:01 199924 1681632 89.37 2620 1108380 1072856 36.61 446944 1076672 28 18:03:01 201048 1680508 89.31 2620 1108352 1072724 36.61 469016 1053912 12 18:04:01 200992 1680564 89.32 2620 1108360 1072676 36.61 468900 1053912 8 18:05:01 169484 1712072 90.99 2620 1066776 1082984 36.96 464184 1046252 89388 Average: 197831 1683726 89.49 2620 1103083 1081148 36.90 450239 1069947 11185 17:57:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:58:01 eth0 321.69 248.23 765.86 357.10 0.00 0.00 0.00 17:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:58:01 docker0 98.44 88.60 8.36 301.52 0.00 0.00 0.00 17:59:01 eth0 1.52 0.78 1.30 0.05 0.00 0.00 0.00 17:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:01 eth0 0.73 0.03 0.06 0.00 0.00 0.00 0.00 18:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:01:01 eth0 0.95 0.28 0.32 0.17 0.00 0.00 0.00 18:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:02:01 eth0 0.62 0.38 0.34 0.27 0.00 0.00 0.00 18:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:03:01 eth0 0.20 0.17 0.07 0.04 0.00 0.00 0.00 18:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:04:01 eth0 0.55 0.08 0.06 0.01 0.00 0.00 0.00 18:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:05:01 eth0 99.68 69.96 2331.20 22.88 0.00 0.00 0.00 18:05:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 18:05:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 53.25 40.00 387.42 47.58 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 12.31 11.08 1.05 37.70 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) 17:56:13 LINUX RESTART 17:57:01 CPU %user %nice %system %iowait %steal %idle 17:58:01 all 4.96 0.00 2.07 0.94 0.01 92.02 17:58:01 0 6.29 0.00 2.36 0.44 0.02 90.90 17:58:01 1 4.58 0.00 1.74 2.01 0.00 91.67 17:58:01 2 3.88 0.00 1.82 1.00 0.00 93.29 17:58:01 3 5.10 0.00 2.41 0.28 0.00 92.20 17:59:01 all 0.17 0.00 0.05 0.00 0.00 99.78 17:59:01 0 0.07 0.00 0.05 0.00 0.00 99.88 17:59:01 1 0.03 0.00 0.03 0.00 0.02 99.92 17:59:01 2 0.03 0.00 0.03 0.00 0.00 99.93 17:59:01 3 0.53 0.00 0.02 0.00 0.00 99.45 18:00:01 all 0.15 0.00 0.03 0.00 0.00 99.82 18:00:01 0 0.02 0.00 0.03 0.00 0.00 99.95 18:00:01 1 0.03 0.00 0.07 0.00 0.00 99.90 18:00:01 2 0.03 0.00 0.03 0.00 0.00 99.93 18:00:01 3 0.52 0.00 0.02 0.00 0.00 99.47 18:01:01 all 0.15 0.00 0.05 0.00 0.00 99.80 18:01:01 0 0.02 0.00 0.02 0.00 0.00 99.97 18:01:01 1 0.07 0.00 0.07 0.00 0.00 99.87 18:01:01 2 0.05 0.00 0.07 0.00 0.00 99.88 18:01:01 3 0.48 0.00 0.03 0.02 0.00 99.47 18:02:01 all 0.07 0.00 0.06 0.00 0.00 99.87 18:02:01 0 0.03 0.00 0.03 0.00 0.00 99.93 18:02:01 1 0.05 0.00 0.08 0.00 0.00 99.87 18:02:01 2 0.07 0.00 0.05 0.00 0.00 99.88 18:02:01 3 0.13 0.00 0.08 0.00 0.00 99.78 18:03:01 all 0.02 0.00 0.05 0.00 0.00 99.93 18:03:01 0 0.02 0.00 0.02 0.00 0.00 99.97 18:03:01 1 0.02 0.00 0.10 0.00 0.00 99.88 18:03:01 2 0.03 0.00 0.07 0.00 0.00 99.90 18:03:01 3 0.00 0.00 0.02 0.00 0.00 99.98 18:04:01 all 0.13 0.00 0.03 0.00 0.00 99.84 18:04:01 0 0.02 0.00 0.02 0.00 0.00 99.97 18:04:01 1 0.03 0.00 0.02 0.00 0.00 99.95 18:04:01 2 0.05 0.00 0.07 0.00 0.00 99.88 18:04:01 3 0.43 0.00 0.02 0.00 0.02 99.53 18:05:01 all 5.10 0.00 2.67 1.71 0.01 90.50 18:05:01 0 4.69 0.00 2.56 0.23 0.02 92.49 18:05:01 1 4.95 0.00 2.33 2.13 0.00 90.60 18:05:01 2 5.95 0.00 3.07 2.88 0.02 88.08 18:05:01 3 4.81 0.00 2.73 1.61 0.00 90.84 Average: all 1.34 0.00 0.62 0.33 0.00 97.70 Average: 0 1.39 0.00 0.63 0.08 0.00 97.89 Average: 1 1.22 0.00 0.55 0.52 0.00 97.71 Average: 2 1.26 0.00 0.65 0.48 0.00 97.61 Average: 3 1.50 0.00 0.66 0.24 0.00 97.60