Using Azure SQLDW Polybase for data ingestion from ADLS Gen 1 using vnet service endpoints











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I am trying to use Polybase in Azure SQL Data Warehouse (SQLDW) to ingest data (persisted in Parquet format from a Hadoop cluster in a VNET) on Azure Data Lake Store (ADLS) Gen 1. The process is working fine but the throughput I am getting is quite poor i.e. approximately 10MBps. My assumption is that the traffic is going via Internet and not via Azure backbone network.
To address this, I've enabled VNET service end-point as follows:
VNET to ADLS (as per this link)
VNET to Azure SQL Data Warehouse (as per this link)



However, even after doing so, there is no performance gain. My understanding is that after enabling this, the traffic should go through Azure backbone network but there is no difference. Am I missing anything in this whole workflow?






azure azure-data-lake azure-sqldw polybase







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  • Just to add on that: I've tried this with low (500) and high (2000) DWUs and the throughput is still below expectations.
    – Irfan Elahi
    Nov 22 at 6:27










  • Irfan, is this for the Australian customer with whom I think you've been engaged for the last year? I've asked the customer's MS team to engage, as customer-specific network issues may be at play.
    – Ron Dunn
    Nov 22 at 22:50















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0
down vote

favorite












I am trying to use Polybase in Azure SQL Data Warehouse (SQLDW) to ingest data (persisted in Parquet format from a Hadoop cluster in a VNET) on Azure Data Lake Store (ADLS) Gen 1. The process is working fine but the throughput I am getting is quite poor i.e. approximately 10MBps. My assumption is that the traffic is going via Internet and not via Azure backbone network.
To address this, I've enabled VNET service end-point as follows:
VNET to ADLS (as per this link)
VNET to Azure SQL Data Warehouse (as per this link)



However, even after doing so, there is no performance gain. My understanding is that after enabling this, the traffic should go through Azure backbone network but there is no difference. Am I missing anything in this whole workflow?






azure azure-data-lake azure-sqldw polybase







share|improve this question






















  • Just to add on that: I've tried this with low (500) and high (2000) DWUs and the throughput is still below expectations.
    – Irfan Elahi
    Nov 22 at 6:27










  • Irfan, is this for the Australian customer with whom I think you've been engaged for the last year? I've asked the customer's MS team to engage, as customer-specific network issues may be at play.
    – Ron Dunn
    Nov 22 at 22:50













up vote
0
down vote

favorite









up vote
0
down vote

favorite











I am trying to use Polybase in Azure SQL Data Warehouse (SQLDW) to ingest data (persisted in Parquet format from a Hadoop cluster in a VNET) on Azure Data Lake Store (ADLS) Gen 1. The process is working fine but the throughput I am getting is quite poor i.e. approximately 10MBps. My assumption is that the traffic is going via Internet and not via Azure backbone network.
To address this, I've enabled VNET service end-point as follows:
VNET to ADLS (as per this link)
VNET to Azure SQL Data Warehouse (as per this link)



However, even after doing so, there is no performance gain. My understanding is that after enabling this, the traffic should go through Azure backbone network but there is no difference. Am I missing anything in this whole workflow?






azure azure-data-lake azure-sqldw polybase







share|improve this question













I am trying to use Polybase in Azure SQL Data Warehouse (SQLDW) to ingest data (persisted in Parquet format from a Hadoop cluster in a VNET) on Azure Data Lake Store (ADLS) Gen 1. The process is working fine but the throughput I am getting is quite poor i.e. approximately 10MBps. My assumption is that the traffic is going via Internet and not via Azure backbone network.
To address this, I've enabled VNET service end-point as follows:
VNET to ADLS (as per this link)
VNET to Azure SQL Data Warehouse (as per this link)



However, even after doing so, there is no performance gain. My understanding is that after enabling this, the traffic should go through Azure backbone network but there is no difference. Am I missing anything in this whole workflow?






azure azure-data-lake azure-sqldw polybase




azure azure-data-lake azure-sqldw polybase






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Nov 22 at 6:21









Irfan Elahi

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184128












  • Just to add on that: I've tried this with low (500) and high (2000) DWUs and the throughput is still below expectations.
    – Irfan Elahi
    Nov 22 at 6:27










  • Irfan, is this for the Australian customer with whom I think you've been engaged for the last year? I've asked the customer's MS team to engage, as customer-specific network issues may be at play.
    – Ron Dunn
    Nov 22 at 22:50


















  • Just to add on that: I've tried this with low (500) and high (2000) DWUs and the throughput is still below expectations.
    – Irfan Elahi
    Nov 22 at 6:27










  • Irfan, is this for the Australian customer with whom I think you've been engaged for the last year? I've asked the customer's MS team to engage, as customer-specific network issues may be at play.
    – Ron Dunn
    Nov 22 at 22:50
















Just to add on that: I've tried this with low (500) and high (2000) DWUs and the throughput is still below expectations.
– Irfan Elahi
Nov 22 at 6:27




Just to add on that: I've tried this with low (500) and high (2000) DWUs and the throughput is still below expectations.
– Irfan Elahi
Nov 22 at 6:27












Irfan, is this for the Australian customer with whom I think you've been engaged for the last year? I've asked the customer's MS team to engage, as customer-specific network issues may be at play.
– Ron Dunn
Nov 22 at 22:50




Irfan, is this for the Australian customer with whom I think you've been engaged for the last year? I've asked the customer's MS team to engage, as customer-specific network issues may be at play.
– Ron Dunn
Nov 22 at 22:50

















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