---> uname -a: Linux 681c6de59e1c 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 7.3G 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-457@tmp /dev/vda1 50.0G 7.3G 42.7G 15% /var/log/sa /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-457 ---> free -m: total used free shared buff/cache available Mem: 1837 679 132 0 1025 1051 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) 08/28/20 _x86_64_ (4 CPU) 14:55:44 LINUX RESTART 14:57:01 tps rtps wtps bread/s bwrtn/s 14:58:01 2.95 0.00 2.95 0.00 96.74 14:59:01 0.30 0.02 0.28 0.53 3.93 15:00:01 0.28 0.00 0.28 0.00 3.61 15:01:01 0.27 0.02 0.25 0.13 3.38 15:02:01 0.58 0.12 0.47 2.13 7.74 15:03:01 0.33 0.02 0.32 0.13 3.63 15:04:01 0.25 0.00 0.25 0.00 2.70 Average: 0.71 0.02 0.69 0.42 17.39 14:57:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:58:01 227468 1654088 87.91 2620 1064344 1089432 37.18 440476 1056456 12 14:59:01 227572 1653984 87.91 2620 1064348 1073048 36.62 442036 1054956 16 15:00:01 226680 1654876 87.95 2620 1064356 1073252 36.63 443312 1054956 20 15:01:01 223648 1657908 88.11 2620 1064356 1075860 36.72 450328 1050300 12 15:02:01 225256 1656300 88.03 2620 1064500 1073720 36.64 456760 1042508 8 15:03:01 225940 1655616 87.99 2620 1064508 1073660 36.64 456604 1042508 12 15:04:01 226052 1655504 87.99 2620 1064512 1073624 36.64 456300 1042508 8 Average: 226088 1655468 87.98 2620 1064418 1076085 36.72 449402 1049170 13 14:57:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 14:58:01 eth0 85.56 50.40 15.84 238.69 0.00 0.00 0.00 14:58:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:58:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:59:01 eth0 0.12 0.08 0.01 0.01 0.00 0.00 0.00 14:59:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:59:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:01 eth0 1.65 0.33 0.38 0.17 0.00 0.00 0.00 15:00:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:01:01 eth0 0.42 0.37 0.26 0.24 0.00 0.00 0.00 15:01:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:01:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:02:01 eth0 0.23 0.17 0.08 0.07 0.00 0.00 0.00 15:02:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:02:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:03:01 eth0 0.17 0.13 0.07 0.01 0.00 0.00 0.00 15:03:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:03:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:04:01 eth0 0.47 0.08 0.04 0.01 0.00 0.00 0.00 15:04:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:04:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: eth0 12.66 7.37 2.38 34.18 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 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) 08/28/20 _x86_64_ (4 CPU) 14:55:44 LINUX RESTART 14:57:01 CPU %user %nice %system %iowait %steal %idle 14:58:01 all 0.88 0.00 0.23 0.00 0.01 98.88 14:58:01 0 2.03 0.00 0.35 0.00 0.02 97.60 14:58:01 1 0.68 0.00 0.17 0.00 0.03 99.12 14:58:01 2 0.43 0.00 0.18 0.00 0.02 99.37 14:58:01 3 0.38 0.00 0.20 0.00 0.00 99.42 14:59:01 all 0.15 0.00 0.03 0.00 0.00 99.82 14:59:01 0 0.02 0.00 0.03 0.00 0.00 99.95 14:59:01 1 0.47 0.00 0.02 0.00 0.00 99.52 14:59:01 2 0.07 0.00 0.05 0.00 0.00 99.88 14:59:01 3 0.03 0.00 0.02 0.00 0.02 99.93 15:00:01 all 0.16 0.00 0.03 0.00 0.00 99.80 15:00:01 0 0.05 0.00 0.02 0.00 0.00 99.93 15:00:01 1 0.52 0.00 0.03 0.00 0.02 99.43 15:00:01 2 0.03 0.00 0.02 0.00 0.00 99.95 15:00:01 3 0.05 0.00 0.05 0.00 0.00 99.90 15:01:01 all 0.17 0.00 0.04 0.00 0.00 99.79 15:01:01 0 0.02 0.00 0.03 0.00 0.00 99.95 15:01:01 1 0.53 0.00 0.02 0.00 0.00 99.45 15:01:01 2 0.08 0.00 0.03 0.00 0.02 99.87 15:01:01 3 0.07 0.00 0.08 0.00 0.00 99.85 15:02:01 all 0.14 0.00 0.09 0.00 0.00 99.76 15:02:01 0 0.03 0.00 0.02 0.02 0.00 99.93 15:02:01 1 0.43 0.00 0.07 0.00 0.00 99.50 15:02:01 2 0.07 0.00 0.05 0.00 0.00 99.88 15:02:01 3 0.02 0.00 0.20 0.00 0.00 99.78 15:03:01 all 0.10 0.00 0.03 0.00 0.00 99.87 15:03:01 0 0.02 0.00 0.02 0.00 0.00 99.97 15:03:01 1 0.35 0.00 0.05 0.00 0.02 99.58 15:03:01 2 0.03 0.00 0.03 0.00 0.00 99.93 15:03:01 3 0.00 0.00 0.02 0.00 0.00 99.98 15:04:01 all 0.15 0.00 0.02 0.00 0.00 99.83 15:04:01 0 0.02 0.00 0.03 0.00 0.00 99.95 15:04:01 1 0.52 0.00 0.00 0.00 0.00 99.48 15:04:01 2 0.05 0.00 0.02 0.00 0.02 99.92 15:04:01 3 0.02 0.00 0.02 0.00 0.00 99.97 Average: all 0.25 0.00 0.07 0.00 0.00 99.68 Average: 0 0.31 0.00 0.07 0.00 0.00 99.61 Average: 1 0.50 0.00 0.05 0.00 0.01 99.44 Average: 2 0.11 0.00 0.05 0.00 0.01 99.83 Average: 3 0.08 0.00 0.08 0.00 0.00 99.83