Two of the most common issues that Microsoft Support is contacted related to Always On Availability Groups are associated with Latency and Failovers. During this session, we will demonstrate walkthroughs for latency analysis and failover root cause using enhancements in SQL Server and Management Studio. After this session, you will be able to troubleshoot such issues easily, quickly and efficiently.

2. C:Users>
whoami
@banerjeeamit
Work as a Senior Program Manager for the SQL Server Product Group
(Tiger team) focusing on HADR and Replication
An affair with SQL Server for nearly a decade
Was part of SQL Escalation Services and Premier Field Engineering
team at Microsoft
Speaker at SQL PASS, 24HOP, TechEd, Virtual TechDays, User Groups,
SQL Saturdays, SQLBITS, SQL NEXUS
Dabble around with supportability tools and have contributed to SQL
Backup Simulator SQLDIAG/PSSDIAG Manager and SQL Nexus
Co-authored “Professional SQL Server 2012: Internals and
Troubleshooting”
Own TroubleshootingSQL.com
Also found on http://aka.ms/sqlserverteam
@mssqltiger

3. LATENCY

4. Slow and Steady Wins the Race!!!Slow and Fast and Steady Wins the Race!!!

6. • As little as 8 worker
thread context switches
to transport a log block
as opposed to 15
• Achieve 95% of
transaction log
throughput with a single
synchronous secondary

8. Extended Events
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10. FAILOVER TROUBLESHOOTING

14. • Blog:
• Aka.ms/sqlserverteam
• www.troubleshootingsql.com
• Twitter:
• @mssqltiger
• @banerjeeamit
• Download code from
https://github.com/Microsoft/tigertoolbox