---> uname -a: Linux bd2e6e0bddb0 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% /var/log/sa /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-440 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-440@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 675 122 0 1039 1055 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) 08/07/20 _x86_64_ (4 CPU) 17:57:04 LINUX RESTART 17:58:03 tps rtps wtps bread/s bwrtn/s 17:59:01 62.10 16.10 46.00 5260.07 6704.18 18:00:01 2.26 0.00 2.26 0.00 45.66 18:01:01 0.42 0.02 0.40 0.13 6.96 18:02:01 0.57 0.12 0.45 2.13 8.43 18:03:01 0.28 0.00 0.28 0.00 4.88 18:04:01 49.55 44.04 5.51 4424.89 3749.97 Average: 18.96 10.01 8.95 1594.78 1726.44 17:58:03 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:59:01 185012 1696544 90.17 2620 1091328 1142604 39.00 482232 1052468 120 18:00:01 196904 1684652 89.54 2620 1091292 1073108 36.62 478992 1047988 20 18:01:01 195876 1685680 89.59 2620 1091300 1075584 36.71 479668 1047984 8 18:02:01 191088 1690468 89.84 2620 1091440 1073976 36.65 487512 1044884 12 18:03:01 192644 1688912 89.76 2620 1091448 1073808 36.65 486516 1044808 12 18:04:01 74608 1806948 96.03 2620 1124920 1507012 51.43 543284 1101356 96432 Average: 172689 1708867 90.82 2620 1096955 1157682 39.51 493034 1056581 16101 17:58:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 17:59:01 eth0 302.98 265.34 1304.01 396.70 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 97.75 77.83 8.89 310.44 0.00 0.00 0.00 18:00:01 eth0 0.08 0.08 0.01 0.01 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 0.32 0.08 0.03 0.01 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 2.18 1.25 0.42 2.19 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 0.58 0.48 0.34 0.24 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 66.61 48.87 2321.92 7.66 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 Average: eth0 60.81 51.52 600.71 66.01 0.00 0.00 0.00 Average: lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: docker0 15.85 12.62 1.44 50.33 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) 08/07/20 _x86_64_ (4 CPU) 17:57:04 LINUX RESTART 17:58:03 CPU %user %nice %system %iowait %steal %idle 17:59:01 all 7.51 0.00 3.35 1.79 13.48 73.87 17:59:01 0 7.13 0.00 2.86 0.20 15.18 74.63 17:59:01 1 9.00 0.00 3.55 5.00 13.89 68.55 17:59:01 2 6.47 0.00 3.23 0.42 12.58 77.29 17:59:01 3 7.41 0.00 3.76 1.53 12.23 75.06 18:00:01 all 0.03 0.00 0.05 0.00 0.23 99.69 18:00:01 0 0.05 0.00 0.03 0.00 0.32 99.60 18:00:01 1 0.03 0.00 0.07 0.00 0.20 99.70 18:00:01 2 0.05 0.00 0.03 0.00 0.30 99.62 18:00:01 3 0.00 0.00 0.05 0.00 0.12 99.83 18:01:01 all 0.04 0.00 0.02 0.00 0.28 99.65 18:01:01 0 0.03 0.00 0.03 0.00 0.48 99.45 18:01:01 1 0.03 0.00 0.02 0.02 0.07 99.87 18:01:01 2 0.05 0.00 0.03 0.00 0.42 99.50 18:01:01 3 0.03 0.00 0.03 0.00 0.13 99.80 18:02:01 all 0.05 0.00 0.04 0.00 0.15 99.76 18:02:01 0 0.05 0.00 0.03 0.00 0.17 99.75 18:02:01 1 0.08 0.00 0.08 0.00 0.08 99.75 18:02:01 2 0.03 0.00 0.02 0.00 0.15 99.80 18:02:01 3 0.03 0.00 0.03 0.02 0.20 99.72 18:03:01 all 0.13 0.00 0.08 0.00 0.07 99.71 18:03:01 0 0.02 0.00 0.03 0.00 0.03 99.92 18:03:01 1 0.37 0.00 0.22 0.00 0.07 99.35 18:03:01 2 0.10 0.00 0.05 0.00 0.13 99.72 18:03:01 3 0.02 0.00 0.02 0.00 0.08 99.88 18:04:01 all 1.70 0.00 0.83 1.00 5.18 91.30 18:04:01 0 1.13 0.00 0.49 0.23 5.66 92.49 18:04:01 1 1.27 0.00 0.79 0.38 5.38 92.18 18:04:01 2 1.64 0.00 0.96 1.12 4.99 91.30 18:04:01 3 2.80 0.00 1.09 2.27 4.67 89.18 Average: all 1.56 0.00 0.72 0.46 3.22 94.03 Average: 0 1.40 0.00 0.58 0.07 3.65 94.30 Average: 1 1.79 0.00 0.78 0.90 3.28 93.25 Average: 2 1.38 0.00 0.71 0.26 3.07 94.58 Average: 3 1.69 0.00 0.82 0.63 2.87 93.98