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Jovan Popovic
Jovan Popovic

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Mar 19, 2021

How to read Apache Delta Lake format in serverless Synapse SQL pools

Apache Delta lake format is one of the widely used enhancements of the plain Parquet format. The Parquet files are read-only and enable you just to append new data by adding new Parquet files into some folder. Apache Delta Lake format is based on Parquet, but it also enables you…

Azure Synapse Analytics

5 min read

How to read Apache Delta Lake format in serverless Synapse SQL
How to read Apache Delta Lake format in serverless Synapse SQL
Azure Synapse Analytics

5 min read


Published in Azure SQLDB Managed Instance

·May 22, 2019

Running TPCC5000 HammerDB test on Business Critical instance

HammerDB is one popular and easy-to-use tool that a lot of people are using to benchmark the performance of the databases. In the previous article, I have used 100 HammerDB users to measure the performance of the workload on TPCC database with 5000 warehouses, and the conclusion was that in…

Azure

4 min read

Running TPCC5000 HammerDB test on Business Critical instance
Running TPCC5000 HammerDB test on Business Critical instance
Azure

4 min read


Published in Azure SQLDB Managed Instance

·May 9, 2019

How to identify why workload performance on Azure SQL Managed Instance are different than SQL Server?

When you migrate your databases from SQL Server (on-premises or Azure VM) to Azure SQL Managed Instance, the first thing that you might want to do is to compare the performance of your database in new environment with the performance of the original database on the source SQL Server. In…

Azure Sql Database

10 min read

How to identify why workload performance on Managed Instance are different than SQL Server?
How to identify why workload performance on Managed Instance are different than SQL Server?
Azure Sql Database

10 min read


Published in Azure SQLDB Managed Instance

·May 7, 2019

Running HammerDB TPCC 1000 test on General Purpose Managed Instance

One of the most important tests that you need to run on your database is a performance test that shows you how many queries, requests, or transactions you can run. In the previous articles, I have used HammerDB to run a simulation of TPCC workload with 100 users on an…

Sql Server

7 min read

Running HammerDB TPCC 1000 test on General Purpose Managed Instance
Running HammerDB TPCC 1000 test on General Purpose Managed Instance
Sql Server

7 min read


Published in Azure SQLDB Managed Instance

·May 7, 2019

Compare environment settings on SQL Server and Azure SQL that may impact performance

When you migrate your databases from one SQL Server instance to another or from SQL Server to cloud (for example Azure SQL Managed Instance), one of the first things you would like to do is to compare the workload performance between source and target environment. …

Sql Server

4 min read

Compare environment settings on SQL Server and Azure SQL that may impact performance
Compare environment settings on SQL Server and Azure SQL that may impact performance
Sql Server

4 min read


Published in Azure SQLDB Managed Instance

·Apr 28, 2019

Running HammerDB on TPCC96 database on General Purpose Azure SQL Managed Instance

HammerDB is one popular and easy-to-use tool that a lot of people are using to benchmark the performance of the databases. In the previous article, I have used 100 HammerDB users to measure the performance of the workload on the TPCC database with 5000 warehouses, and the conclusion was that…

Database

8 min read

Running HammerDB on TPCC96 database on General Purpose Azure SQL Managed Instance
Running HammerDB on TPCC96 database on General Purpose Azure SQL Managed Instance
Database

8 min read


Published in Azure SQLDB Managed Instance

·Apr 25, 2019

Running HammerDB on TPCC5000 database on General Purpose tier of Managed Instance

HammerDB is a popular benchmark tool that simulates TPCC workload and that a lot of people use to benchmark different environment. In this article I will explain how to run HammerDB Managed Instance and analyze performance on Managed Instance. WARNING: HammerDB is not official standard and don’t have precise specification…

Azure

7 min read

Running HammerDB on TPCC5000 database on General Purpose tier of Managed Instance
Running HammerDB on TPCC5000 database on General Purpose tier of Managed Instance
Azure

7 min read


Published in Azure SQLDB Managed Instance

·Apr 24, 2019

Increasing data files might improve performance on General Purpose Managed Instance tier

Azure SQL Database Managed Instance is a fully-managed SQL Server database engine hosted in Azure cloud. In General Purpose architecture of Managed Instance, SQL Server database engine is placed on a stateless compute VM that contains only tempdb, while all other database files are placed on remote Azure Premium disk…

Azure

5 min read

Increasing data files might improve performance on General Purpose Managed Instance tier
Increasing data files might improve performance on General Purpose Managed Instance tier
Azure

5 min read


Published in Azure SQLDB Managed Instance

·Apr 17, 2019

Impact of log file size on General Purpose Managed Instance performance

Azure SQL Database Managed Instance is SQL Server database engine hosted in Azure cloud. General Purpose tier of Managed Instance is placed on Azure infrastructure where SQL Server process is placed on stateless VM, and data files are stored on Azure premium storage. One of the important thing you will…

Azure

5 min read

Impact of log file size on General Purpose Managed Instance performance
Impact of log file size on General Purpose Managed Instance performance
Azure

5 min read


Published in Azure SQLDB Managed Instance

·Apr 17, 2019

Log rate throughput cap on Managed Instance

Azure SQL Database Managed Instance is a fully managed version of SQL Server Database engine hosted in Azure cloud that provides built-in maintenance operations such as automatic backups. Managed Instance guarantees that the database backups are taken every 5–10 min (log backups) so it must ensure that it can take…

Database

3 min read

Log rate throughput cap on Managed Instance
Log rate throughput cap on Managed Instance
Database

3 min read

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Jovan Popovic

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