Search Results for &#8220;mirroring&#8221;

This week, Brent, Tara, and Richie discuss what they think about having no more service packs for SQL Server 2017 and newer versions, shrinking log files, how many servers can one DBA manage, log backups, mirroring vs Availability Groups vs log shipping, and their next company retreat location. Here’s the video on YouTube: You can…

New Wait Stats and DMV Columns in SQL Server 2017

Last Updated October 2, 2017

SQL Server 2017, Wait Stats

SQL Server 2017 is officially out, and here’s what I’ve found so far. New Wait Stats in 2017 BACKUP_INMEM_DIFFLIST_READ_ACCESS BACKUP_INMEM_DIFFLIST_WRITE_ACCESS BLOB_CONTAINER_TABLE COLUMNSTORE_MIGRATION_BACKGROUND_TASK EXTERNAL_SCRIPT_NETWORK_IO FOREIGN_REDO GHOSTCLEANUP_UPDATE_STATS GLOBAL_QUERY_CANCEL GLOBAL_QUERY_CONSUMER GLOBAL_QUERY_PRODUCER HADR_THROTTLE_LOG_RATE_LOG_SIZE HADR_THROTTLE_LOG_RATE_SEEDING HADR_THROTTLE_LOG_RATE_SEND_RECV_QUEUE_SIZE MEMORY_GRANT_UPDATE MIGRATIONBUFFER PREEMPTIVE_OS_BCRYPTIMPORTKEY PREEMPTIVE_OS_NCRYPTIMPORTKEY PREEMPTIVE_XE_PROXY_ADDSESSION PREEMPTIVE_XE_PROXY_PROCESSBUFFER PREEMPTIVE_XE_PROXY_REMOVESESSION PREEMPTIVE_XE_PROXY_SESSIONCOMMIT PWAIT_AUDIT_CLOSE_EXPIRED_LOGS_MGR_RWLOCK PWAIT_AUDIT_SESSIONS_LOCK PWAIT_EXTERNAL_SCRIPT_LIBMGMT_DIR_PERMS PWAIT_PREEMPTIVE_APP_USAGE_TIMER PWAIT_PREEMPTIVE_XE_STUB_LISTENER PWAIT_SBS_FILE_OPERATION QDS_HOST_INIT RBIO_WAIT_VLF REMOTE_BLOCK_IO RESTORE_MSDA_THREAD_BARRIER SBS_DISPATCH SBS_RECEIVE_TRANSPORT SBS_TRANSPORT SECURITY_CNG_PROVIDER_MUTEX SLEEP_SETUP SNI_WRITE_ASYNC…

[Video] Office Hours 2017/09/27 (With Transcriptions)

Last Updated October 1, 2017

This week, Richie and Erik discuss altering database columns, separating log files, encryption, NOLOCK issues, developing new skills and experience, troubleshooting deadlocks, Oracle, calling C# method from a stored procedure and the type of headset Erik uses. Here’s the video on YouTube: You can register to attend next week’s Office Hours, or subscribe to our podcast to…

[Video] Office Hours 2017/08/30 (With Transcriptions)

Last Updated September 5, 2017

This week, Brent, Erik, and Richie discuss Availability Groups, versions of sp_BlitzIndex™, SQL Server installation issue, backing up SSRS reports, SQL Server on Linux, failovers, detaching/attaching databases, extended events, career progression of a DBA, and more. Here’s the video on YouTube: You can register to attend next week’s Office Hours, or subscribe to our podcast to listen…

Things Your SQL Server Monitoring Software Should Tell You

Last Updated August 30, 2017

Tools

In our work as consultants, we see a lot of shops that have a monitoring tool, and yet they’re still not able to get to the root cause of a SQL Server performance or reliability issue. In many of these cases, the problem isn’t the people: the problem is that they bought a tool that doesn’t…

An Expensive Reason To Avoid AGs In Azure

Last Updated August 27, 2017

Always On Availability Groups, Backup and Recovery, CHECKDB and Corruption, Cloud Computing, High Availability, Microsoft Azure, SQL Server

Cash Rules Most people, when they get through paying for Azure, and SQL Server Enterprise Licensing, are left with a hole in their wallet that could only be filled with something that says “Bugatti”, and has a speedometer with an infinity sign at the end. Recently, while working with a client, I found out that…

What If Week: What Would You Add?

Last Updated August 4, 2017

SQL Server

For this week’s What If series, we’re exploring what would happen if you had access to SQL Server’s source code – like if you got a job at Microsoft, signed a partner NDA, if the code leaked, or if it went open source. Today’s question is, “What would you fix or add?” Erik says: Skipping…

What If Week: What Would You Fix Or Change?

Last Updated August 4, 2017

SQL Server

Five Mistakes Performance Tuners Make

Last Updated July 27, 2017

Development, Execution Plans, Indexing, SQL Server

There’s no Top in the title And that’s because a TOP without an ORDER BY is non-deterministic, and you’ll get yelled at on the internet for doing that. This is just a short collection of things that I’ve done in the past, and still find people doing today when troubleshooting performance. Sure, this list could…

[Video] Office Hours 2017/07/29 (With Transcriptions)

Last Updated July 29, 2017

This week, Brent, Erik, Tara, and Richie discuss SQL Server performance monitoring, ASYNC_IO_COMPLETION, AWS SQL Server licensing and fees, rebuilding indexes, licensing model for Blitz scripts, stored procedures, using (or not using) primary key on a table, choosing ORMs and other tools, and more. Here’s the video on YouTube: You can register to attend next week’s Office…

ColumnStore Indexes And Recursive CTEs

Last Updated July 26, 2017

Columnstore Indexes, Indexing, SQL Server

Alone Together When I think about SQL Server features, I often picture a high school cafeteria. AGs are making fun of Mirroring, index rebuilds are walking around taking everyone’s lunch, dta is making a glue sandwich, and no one knows who Service Broker is even though they’ve been going to school together since Kindergarten. At…

Let’s Corrupt a Database Together, Part 3: Detecting Corruption

Last Updated July 26, 2017

CHECKDB and Corruption

So far in this series, I’ve shown you how to corrupt a clustered index, then how nonclustered indexes can be corrupted independently. If you haven’t read those, you should start there first. Let’s start again with our 50Ways database, but this time we’re going to be good and make sure that we’ve got checksums enabled,…

Backups: Reading from Databases During Restores

Last Updated March 11, 2021

Store and Restore walk into a Store. Store walks out. Who’s left? Twinkies. They’ll outlive us all. In this video, you’ll learn how to use the Restore command with Standby. It’s fun, I promise. Full Transcript: Hey there, is this thing on? I think it’s on. Better be on, otherwise, I’m just talking to myself…

[Video] Office Hours 2017/07/05 (With Transcriptions)

Last Updated July 11, 2017

This week, Brent and Tara discuss separating data and logs on separate drives, statistics time, scalar UDFs, licensing, encryption, gathering SQL error logs and agent job history, replication, upcoming training courses from Brent Ozar Unlimited, and what DBA topics they struggle with the most. Here’s the video on YouTube: You can register to attend next week’s Office…

[Video] Office Hours 2017/06/28 (With Transcriptions)

Last Updated July 2, 2017

This week, Erik, Tara, and Richie discuss performance and load testing tools, sysadmin update SQL server restart, defragmenting column store indexes, Amazon Redshift, installing Microsoft updates, Always On Availability Groups, Redgate SQL Clone, as well as their thoughts on the current DBA job market. Here’s the video on YouTube: You can register to attend next week’s Office…

Introducing sp_AllNightLog: Log Shipping at Scale, Open Source

Last Updated June 30, 2017

Backup and Recovery, First Responder Kit, kCura Relativity

In our Faux PaaS project, we need a backup plan – or rather, a restore plan. On each SQL Server instance, clients can create as many databases as they want, anytime they want, with no human intervention. We need those databases covered by disaster recovery as quickly as practical. SQL Server’s newer disaster recovery options – Always On Availability Groups and…

[Video] Office Hours 2017/06/21 (With Transcriptions)

Last Updated June 25, 2017

Amazon Web Services (AWS), Backup and Recovery

This week, Brent, Erik, Tara, and Richie discuss cross-database transactions in AGs, agent job owners, column store indexes, linked servers, migrating SQL Server databases to AWS cloud, synchronous readable secondary, rebuilding indexes, backups using SANs, licensing, Always On Availability Groups on CDC, Azure Cosmo DB, compression, and encryption. Here’s the video on YouTube: You can…

Builder Day: Doing a Point-in-Time Restore in Amazon RDS for SQL Server

Last Updated June 13, 2017

Tara Kizer

Brent had an idea that we should set aside a day per month where we could build things in the cloud and blog about our experiences. I was tasked with Amazon RDS for SQL Server: create an instance, configure backups and test point-in-time restores. After grabbing some coffee, I logged into the AWS console. We…

[Video] Office Hours 2017/06/07 (With Transcriptions)

Last Updated June 11, 2017