1. Jean Joseph DBA/Developer
Contact Info
Blog:

2. I’m a full time employee and independent consultant DBA/Developer
I’m a full time employee and independent consultant DBA/Developer. If you or your company do need help on any mentioned below. Please us at and we will contact you as soon as possible.
Remote DBA Services
Database Mirroring
Replication
Log Shipping
Performance Tuning
Hardware and configuration problems
Query Tuning
Patches and Service Packs
Health Checks
Upgrades and Migrations
Backup and Recovery
SSIS Turning
Datawarehourse

3. How to Identify Database Performance Issues

4. Reports are running Slow

5. SQL Server is typically affected by the following bottlenecks:
Locking, blocking, or deadlocking
statistics
indexes/missing indexes/Duplicate index/Fragmentation
parameter sniffing
CPU
Memory
File I/O
Network

6. Demo

7. APPLICATION IS DOWN
WHAT TO DO???

8. Don’t Panic
Instead
ask questions

9. How Many Connections

10. SQL Server Error Logs
SQL Server Agent Logs
Windows Event Logs

11. Developer
Application Support
Application
IT Admins
Production
DBA

12. Activity Monitor Jobs Monitor

13. Performance Tuning I/O distribution Analysis
SQL Server Resource Wait Stats Analysis
Index Analysis
TempDB Space Review
Database Files (MDF, NDF) and Log File Inspection
Review Hardware configuration

14. sys.dm_os_sys_memory Database and Index related DMVs:
sys.dm_db_partition_stats
sys.dm_db_wait_stats--(Azure SQL Database)
sys.dm_db_index_operational_stats
sys.dm_db_index_physical_stats
sys.dm_db_index_usage_stats
and sys.dm_db_missing_index_details
Execution related DMVs:
sys.dm_exec_sessions
sys.dm_exec_query_stats
sys.dm_exec_connections
sys.dm_exec_cached_plans
sys.dm_exec_procedure_stats
sys.dm_exec_query_memory_grants
sys.dm_exec_sql_text
sys.dm_exec_text_query_plan
sys.dm_exec_requests
Transaction related DMVs:
sys.dm_tran_session_transactions
sys.dm_tran_locks
sys.dm_tran_database_transactions
sys.dm_tran_active_transactions.
RAM related DMVs:
sys.dm_os_sys_memory
sys.dm_os_buffer_descriptors
sys.dm_os_memory_clerks
sys.dm_exec_query_memory_grants
sys.dm_os_memory_cache_entries
sys.dm_os_memory_cache_clock_hands
sys.dm_os_memory_cache_counters
sys.dm_exec_query_resource_semaphores
sys.dm_exec_cached_plans
IO related DMVs:
sys.dm_io_virtual_file_stats
sys.master_files
sys.dm_os_wait_stats
PAGEIOLATCH_EX
PAGEIOLATCH_SH
PAGEIOLATCH_UP
Processes related DMVs:
sys.dm_exec_requests
sys.dm_exec_sessions
sys.dm_exec_connections
sys.sysprocesses
CPU related DMVs:
sys.dm_os_wait_stats
SOS_SCHEDULER_YIELD
CXPACKATS
sys.dm_os_schedulers
sys.dm_exec_query_stats
sys.dm_os_ring_buffers
wait stats related DMVs:
sys.dm_os_wait_stats
sys.dm_os_waiting_tasks