我们正在由Premium Storage支持的两个新的Standard DS13(8核,56 GB)VM(均使用最新/默认的Windows 2012 R2映像)上进行性能测试,并且在测试本地SSD性能方面达到了第一步。
我们了解到这些虚拟机的400GB本地SSD中有25%可以用作临时存储,而其他75%用于高级存储缓存:http : //azure.microsoft.com/blog/2014/12/11/new-优质存储支持的虚拟机/
对于剩余的25%,我们希望看到以下方面的性能:http : //www.brentozar.com/archive/2014/09/azure-really-60-faster/ http://azure.microsoft.com/blog / 2014/10/06 / d系列性能预期/
...但是Crystal Disk Mark显示它沿以下方向爬行:
Sequential Read : 4.097 MB/s
Sequential Write : 4.096 MB/s
Random Read 512KB : 4.112 MB/s
Random Write 512KB : 4.112 MB/s
Random Read 4KB (QD=1) : 2.057 MB/s [ 502.3 IOPS]
Random Write 4KB (QD=1) : 2.057 MB/s [ 502.2 IOPS]
Random Read 4KB (QD=32) : 2.048 MB/s [ 500.0 IOPS]
Random Write 4KB (QD=32) : 2.047 MB/s [ 499.7 IOPS]
Test : 50 MB [D: 7.2% (8.1/112.0 GB)] (x5)
Date : 2015/02/14 15:35:41
OS : Windows Server 2012 R2 Datacenter (Full installation) [6.3 Build 9600] (x64)
OS磁盘的性能更好,但远未达到P20磁盘期望的150 MB / s(假定这是为默认127GB OS磁盘分配的空间)。
期望:
http://azure.microsoft.com/zh-CN/documentation/articles/storage-premium-storage-preview-portal/
看到:
Sequential Read : 66.031 MB/s
Sequential Write : 63.034 MB/s
Random Read 512KB : 65.861 MB/s
Random Write 512KB : 63.580 MB/s
Random Read 4KB (QD=1) : 2.097 MB/s [ 511.9 IOPS]
Random Write 4KB (QD=1) : 2.047 MB/s [ 499.7 IOPS]
Random Read 4KB (QD=32) : 2.086 MB/s [ 509.3 IOPS]
Random Write 4KB (QD=32) : 2.078 MB/s [ 507.4 IOPS]
Test : 50 MB [C: 12.9% (16.4/127.0 GB)] (x5)
Date : 2015/02/14 15:46:35
OS : Windows Server 2012 R2 Datacenter (Full installation) [6.3 Build 9600] (x64)
而性能P30磁盘(使用只读缓存)也好不到哪里去:
Sequential Read : 204.567 MB/s
Sequential Write : 39.677 MB/s
Random Read 512KB : 204.549 MB/s
Random Write 512KB : 34.865 MB/s
Random Read 4KB (QD=1) : 20.951 MB/s [ 5114.9 IOPS]
Random Write 4KB (QD=1) : 1.666 MB/s [ 406.7 IOPS]
Random Read 4KB (QD=32) : 20.893 MB/s [ 5100.9 IOPS]
Random Write 4KB (QD=32) : 20.944 MB/s [ 5113.4 IOPS]
Test : 50 MB [E: 0.0% (0.2/1023.0 GB)] (x5)
Date : 2015/02/14 15:22:59
OS : Windows Server 2012 R2 Datacenter (Full installation) [6.3 Build 9600] (x64)
与我们当前在D13上部署了主机缓存的CloudDrive相比(请注意4KB随机读取的性能):
Sequential Read : 136.711 MB/s
Sequential Write : 10.210 MB/s
Random Read 512KB : 190.744 MB/s
Random Write 512KB : 9.063 MB/s
Random Read 4KB (QD=1) : 10.813 MB/s [ 2639.8 IOPS]
Random Write 4KB (QD=1) : 0.508 MB/s [ 107.5 IOPS]
Random Read 4KB (QD=32) : 106.533 MB/s [ 26009.1 IOPS]
Random Write 4KB (QD=32) : 9.363 MB/s [ 2286.0 IOPS]
Test : 50 MB [F: 4.1% (24.9/600.0 GB)] (x5)
Date : 2015/02/14 20:25:01
OS : Windows Server 2012 Datacenter (Full installation) [6.2 Build 9200] (x64)
这是SQLIO报告的本地SSD:
C:\Program Files (x86)\SQLIO>sqlio -dD
sqlio v1.5.SG
1 thread reading for 30 secs from file D:testfile.dat
using 2KB IOs over 128KB stripes with 64 IOs per run
size of file D:testfile.dat needs to be: 8388608 bytes
current file size: 0 bytes
need to expand by: 8388608 bytes
expanding D:testfile.dat ... done.
initialization done
CUMULATIVE DATA:
throughput metrics:
IOs/sec: 499.38
MBs/sec: 0.97
对于P30:
C:\Program Files (x86)\SQLIO>sqlio -dE
sqlio v1.5.SG
1 thread reading for 30 secs from file E:testfile.dat
using 2KB IOs over 128KB stripes with 64 IOs per run
size of file E:testfile.dat needs to be: 8388608 bytes
current file size: 0 bytes
need to expand by: 8388608 bytes
expanding E:testfile.dat ... done.
initialization done
CUMULATIVE DATA:
throughput metrics:
IOs/sec: 5103.03
MBs/sec: 9.96
为P30宣传的5000 IOPS保持不变,但是每个磁盘200 MB / s的吞吐量如何?
注:尝试使用ReadWrite缓存策略创建P30数据磁盘会导致:
Update-AzureVm:BadRequest:DataVirtualHardDisk不支持磁盘缓存设置ReadWrite。
任何指导将不胜感激:
- 为什么将本地SSD存储限制为500 IOPS和1-4 MB / s的吞吐量?
- 在P30上读取时,我们如何实现200MB / s的写入速度?要进行的测试是什么?
- MS:您可以发布我们可以用来验证最大限制的I / O基准吗?