---> uname -a: Linux bebdec63fb01 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-406 /dev/vda1 50.0G 7.3G 42.7G 15% /w/workspace/ndry_app-functions-sdk-go_PR-406@tmp ---> free -m: total used free shared buff/cache available Mem: 1837 686 126 0 1024 1045 Swap: 1023 0 1023 ---> 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) 07/13/20 _x86_64_ (4 CPU) 22:23:27 LINUX RESTART 22:24:01 tps rtps wtps bread/s bwrtn/s 22:25:01 62.12 15.56 46.56 5067.47 6535.45 22:26:01 2.00 0.00 2.00 0.00 43.49 22:27:02 0.13 0.00 0.13 0.00 2.28 22:28:01 0.29 0.00 0.29 0.00 3.25 22:29:01 0.28 0.00 0.28 0.00 4.18 22:30:01 177.31 120.53 56.78 8640.29 20045.52 Average: 40.48 22.75 17.73 2291.60 4452.29 22:24:01 kbmemfree kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:25:01 191408 1690148 89.83 2620 1088220 1100436 37.56 454480 1075956 120 22:26:01 195592 1685964 89.60 2620 1088212 1074852 36.68 454716 1072200 20 22:27:02 194492 1687064 89.66 2620 1088220 1075056 36.69 458140 1069976 8 22:28:01 192964 1688592 89.74 2620 1088220 1075128 36.69 460384 1069380 12 22:29:01 194508 1687048 89.66 2620 1088224 1074852 36.68 466956 1061296 16 22:30:01 149028 1732528 92.08 2620 1046836 1233292 42.09 526936 1003240 272 Average: 186332 1695224 90.10 2620 1081322 1105603 37.73 470269 1058675 75 22:24:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s 22:25:01 eth0 765.77 522.30 1576.06 414.77 0.00 0.00 0.00 22:25:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:25:01 docker0 104.39 95.14 9.02 302.92 0.00 0.00 0.00 22:26:01 eth0 0.72 0.08 0.06 0.02 0.00 0.00 0.00 22:26:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:26:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:27:02 eth0 1.00 0.50 0.32 0.21 0.00 0.00 0.00 22:27:02 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:27:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:28:01 eth0 0.52 0.49 0.27 0.21 0.00 0.00 0.00 22:28:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:28:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:29:01 eth0 0.08 0.08 0.01 0.01 0.00 0.00 0.00 22:29:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:29:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:30:01 vethd7f769d 0.22 0.27 0.40 0.10 0.00 0.00 0.00 22:30:01 eth0 924.69 624.28 4043.69 442.62 0.00 0.00 0.00 22:30:01 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 22:30:01 docker0 104.66 95.35 9.42 303.16 0.00 0.00 0.00 Average: vethd7f769d 0.04 0.04 0.07 0.02 0.00 0.00 0.00 Average: eth0 154.56 104.34 675.88 73.98 0.00 0.00 0.00 Average: lo 0.02 0.02 0.00 0.00 0.00 0.00 0.00 Average: docker0 17.49 15.94 1.57 50.67 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) 07/13/20 _x86_64_ (4 CPU) 22:23:27 LINUX RESTART 22:24:01 CPU %user %nice %system %iowait %steal %idle 22:25:01 all 11.70 0.00 3.90 2.06 0.01 82.33 22:25:01 0 9.38 0.00 4.56 0.18 0.02 85.86 22:25:01 1 9.59 0.00 4.02 5.25 0.00 81.14 22:25:01 2 11.80 0.00 3.62 2.58 0.00 82.00 22:25:01 3 16.02 0.00 3.38 0.20 0.00 80.40 22:26:01 all 0.13 0.00 0.05 0.00 0.00 99.82 22:26:01 0 0.15 0.00 0.02 0.00 0.00 99.83 22:26:01 1 0.05 0.00 0.05 0.00 0.02 99.88 22:26:01 2 0.03 0.00 0.07 0.00 0.00 99.90 22:26:01 3 0.28 0.00 0.07 0.00 0.00 99.65 22:27:02 all 0.15 0.00 0.03 0.00 0.00 99.81 22:27:02 0 0.02 0.00 0.02 0.00 0.00 99.97 22:27:02 1 0.07 0.00 0.05 0.00 0.00 99.88 22:27:02 2 0.05 0.00 0.03 0.00 0.02 99.90 22:27:02 3 0.47 0.00 0.02 0.00 0.00 99.52 22:28:01 all 0.14 0.00 0.04 0.00 0.00 99.81 22:28:01 0 0.03 0.00 0.02 0.00 0.00 99.95 22:28:01 1 0.07 0.00 0.07 0.00 0.00 99.86 22:28:01 2 0.03 0.00 0.05 0.00 0.00 99.92 22:28:01 3 0.46 0.00 0.05 0.00 0.00 99.49 22:29:01 all 0.05 0.00 0.05 0.00 0.00 99.89 22:29:01 0 0.02 0.00 0.03 0.00 0.00 99.95 22:29:01 1 0.03 0.00 0.08 0.00 0.00 99.88 22:29:01 2 0.07 0.00 0.03 0.00 0.00 99.90 22:29:01 3 0.08 0.00 0.07 0.00 0.00 99.85 22:30:01 all 5.94 0.00 3.32 1.91 0.01 88.81 22:30:01 0 5.16 0.00 3.49 1.64 0.03 89.68 22:30:01 1 7.01 0.00 3.46 3.52 0.02 85.99 22:30:01 2 4.88 0.00 3.10 0.28 0.00 91.74 22:30:01 3 6.74 0.00 3.25 2.22 0.02 87.77 Average: all 3.02 0.00 1.23 0.66 0.00 95.09 Average: 0 2.46 0.00 1.35 0.30 0.01 95.88 Average: 1 2.80 0.00 1.29 1.46 0.01 94.45 Average: 2 2.81 0.00 1.15 0.48 0.00 95.56 Average: 3 4.01 0.00 1.14 0.40 0.00 94.45