A tool that reads and analyses event trace information from a database management system.

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4
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1answer
634 views

Stuck in “query end” status every 5 minutes

I'm sick of seeing data in the slow query log, so I decided to check out what the fuss was all about. An UPDATE query that is running up to tens of times per second is sometimes really slow. Here is ...
1
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0answers
16 views

Profiling postgres with gprof: no data/gprof folder and 'no time accumulated'

I'm attempting to profile Postgres with gprof. A gmon.out file successfully gets created in both the data directory and in the working directory where I launched the client (pgbench) process from. ...
0
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0answers
10 views

Workload Capture

Hopefully this is a straight forward question. But if I want to capture a workload then all I need to capture are: RPC:Completed SQL:BatchCompleted I don't need to capture SP:StmtCompleted do I, ...
0
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0answers
17 views

How to find out user activity for calls made from an application server?

I have to log user activity on the SQL server for the calls made from SAP application server, the problem is the Application server does not send any User information along with each call and uses a ...
0
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0answers
35 views

Is there any way to know which SP executed from “exec sp_execute” in SQL profiler?

I have traced a SQL profiler and got some process tracings. I got one command in which the stored procedure is executing by the command exec sp_execute Can I trace that which stored procedure had ...
0
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1answer
22 views

Where are sql profiler trace files stored?

Can't seem to find an answer to this.. During a recent sql profile I noticed C:\ was rapidly filling up. Does anyone know exactly where these files are stored? is it part of SSMS?
3
votes
2answers
1k views

Can I get notification when event occur?

SQL Servers has Traces and XEvents. These are used to capture and analyze what is going on with our SQL Server Instances. Events are stored in the stack for later analysis. For example, If I decide ...
1
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0answers
51 views

Why is SQL Profiler showing empty for database name and database id?

I have some code that uses Entity Framework to call a stored procedure in SQL Server. If I run SQL Profiler and filter by the database it is calling, I can see that the profiler correctly shows the ...
1
vote
1answer
36 views

get number of events per day from profiler trace

I am trying to do something that I thought would be simple but turns out it is not (for me). I have 5 days of profiler trace files that I have imported to a single table. I want to query the table and ...
2
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1answer
5k views

MySQL profile on query “Creating Sort Index” using 75% of the total time

We are trying to figure how to optimize a query (taking around 100ms), and running profile we see Creating Sort Index using 75% of the total time. First, what exactly effects creating the sort index? ...
12
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6answers
70k views

Download SQL Server Profiler for SQL Server Management Studio

How can I profile a SQL Server 2008 database to see code that's being executed on a particular database? I remember using the SQL Server profiler, but I don't see it in SQL Server Management Studio ...
0
votes
1answer
40 views

How to change MongoDB slowOpThresholdMs in mongo shell

I need to decrease the slowms trash hold to 50, can't find the way of doing that without restarting the mongod process.
4
votes
1answer
984 views

Microsoft SQL Server 2008 - Catching user role changes with SQL Server Profiler?

I'm trying to figure out why one of my SQL server users keeps losing sysadmin role when I uninstall a particular program. Can I use the SQL Server Profiler to track down the action that causes this to ...
0
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1answer
227 views

Procedure showing different duration / reads in Profiler vs. SSMS

I have a database which is getting a lot of calls to the following procedure: exec dbo.SM_SP_MAILEVENTNAMES 167260 In Profiler using the TSQL_Duration trace these calls show up as: EventClass: ...
10
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6answers
5k views

How can I profile SQL Azure?

I am writing a web site that uses SQL Azure heavily. However, it is painfully slow. Is there an easy way to profile the live SQL Azure instance?
2
votes
1answer
98 views

One SQL different Results by using SQLOLEDB or MSDASQL

I'm using VB6 with SQLOLEDB and MSDASQL. By switching the provider I notice that I'm getting different results with one query. My query checks some server settings and executes one of two BACKUP ...
4
votes
4answers
3k views

Cannot open SQL Server profiler file

Scenario Debugging a failed transaction, I asked the DBA to run a trace on SQL Server. Eventually he send me a .trc file. Issue I use the fn_tracegettable() function to access the trace: select * ...
6
votes
1answer
322 views

How to find the stored procedure which executed an event?

I have a problem where a certain stored procedure disappears occasionally and I need to find out which script deletes it. I found this piece of code which gives the events related to the deletion of ...
2
votes
1answer
278 views

Capturing sp_executesql statement in sql profiler

After catching some data in a SQL Profiler session, I can almost always see a second entry of type RPC:Completed for each query using a sp_executesql statement. I know that this is done to create ...
0
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0answers
49 views

SQL Server Profiler performance

I was wondering if I set a filter for just a particular user does it limit the amount of resource consumption used by sql server and does using a filter(depending on the filter) limit the performance ...
5
votes
2answers
862 views

How can I change the target server type for a trace template?

I've got a .tdf SQL Server Profiler trace template someone wants me to run but the template is targeting SS 2008 R2. While my SSMS is 2008 R2 the server I need to trace is SS 2005. When attempting to ...
2
votes
2answers
160 views

How to find queries that timed out in MongoDB?

Is it possible to find queries in the system.profile-Collection of a MongoDB-database that did not finish due to a timeout? I found some queries that ran longer than the time specified in $maxTimeMS. ...
1
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0answers
51 views

SQL Server Profiler

I had run a SQL trace on SQL server 2008 r2 and had originally saved it to the table format. This table now resides in the database and I was wondering could I export the contents of the table to a ...
4
votes
2answers
682 views

Is an SQL Server trace 'considered harmful' in production?

Context: Careful DBAs We've been bought out a few times and our latest overlords have DBAs who keep carefully guard their production database servers. Overall this is good. However, we have run ...
0
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0answers
27 views

Replay Trace Results Slower On Better Server

I have captured a trace and replayed it using SQL Profiler on my new server capturing another trace at the same time. I am using DBSophic Qure Profiler to compare the traces as it compares each query ...
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0answers
46 views

Compare Traces with RML Utilities

I am new to RML and am trying to use it to capture a trace, replay it on another server and then compare the two. I have managed to capture a trace using the server side script that comes with it and ...
1
vote
1answer
3k views

SQL Server 2008: High CPU historical queries

We have a SQL Server with 15 databases on it. This is used by many users in each database simultaneously. Recently we started getting high CPU alerts from this server. When the alert comes, I can ...
2
votes
2answers
273 views

Blocked Process Report SQL Server 31 hour duration

I have an application (.NET EF 6 ) which is getting timeouts when submitting/reading data from the database. Whilst trying to diagnose the problem I used Blocked Process Reports from SQL server ...
2
votes
2answers
39 views

Meaning of “The database X needs to be upgraded” in ClearTrace

I'm trying out ClearTrace from http://www.scalesql.com/cleartrace/download.html , but it isn't very user friendly from my first impression. I have a database in SQL Server 2008 that I'm adding in the ...
2
votes
1answer
247 views

Is there a parser for Postgres' auto_explain to make it easier to read and understand?

We have a number of Postgres Functions that each call a number of other Postgres Functions. If you simply EXPLAIN ANALYSE a call like SELECT parent_function(), the output is minimal, since it doesn't ...
5
votes
3answers
2k views

Logging query text without Profiler

I'm in the process of porting an old, semi-broken ASP.NET/SQL Server application to PHP/PostgreSQL. Among the torments^H^H^H^H^H^H^H^Hchallenges I'm faced with is that the reporting is done by a ...
6
votes
1answer
284 views

Capture and Replay workload

We have a new server which we are migrating too and want to see the potential benefits of the hardware. So the idea is that we capture a workload and replay this against our new box. My question is ...
0
votes
1answer
170 views

Stored Procedure Resultset Row Count and Resultset Size in Bytes/KBs

Is there any way to get total row count and size of result-set generated by a stored procedure execution? @@ROWCOUNT is a good option if its already added in each stored procedure but I just want ...
1
vote
2answers
55 views

mysql copying to tmp table duration

I have a web site which started to have performance issues because of a mysql query which is executed for each request. I have the following table structure. Post table (125000+ records) id: ...
2
votes
0answers
80 views

Output in SQL Profiler has results with Database ID as NULL

I ran profiler to filter out certain applications connecting an environment but the results has application for Database_id "NULL".. Am I missing anything ? Also another question , does all the ...
1
vote
1answer
299 views

Profiling parameters

I was trying to fine the parameters of a query I suspect to be causing unnecessary logical read and eventually captured it in profiler, however parameters @p3 and @p4 are not listed. Is anyone able ...
2
votes
0answers
77 views

Is it possible to trace queries that never complete with SQL Server 2008 R2?

Running SQL Server 2008 R2. We have some queries that typically take less than one second to complete, but, occasionally, they are taking longer than 30 seconds which causes a client timeout. ...
3
votes
3answers
2k views

SQL Profiler - Insert values?

I setup an SQL profiler to run, but I am not seeing any values for updates/inserts. Is there a way to see them? All I see is stuff like this: insert into some_tbl(id, col1, col2, col3) values ( @P0 ...
3
votes
2answers
9k views

What does 'system lock' mean in mysql profiling a LOAD DATA INFILE statement?

2M rows inserted using LOAD DATA INFILE to innodb takes 7.5min, and profiling shows 99% of that time is in "System lock". Does this tell me anything useful? mysql> set profiling=1; ...
2
votes
0answers
189 views

This Extended Events session works on Dev but not on Pro. Why? [closed]

I do have the following Extended Event session on my Dev and Pro boxes: CREATE EVENT SESSION [sp_showplan] ON SERVER ADD EVENT sqlserver.query_post_execution_showplan(SET collect_database_name=(1) ...
3
votes
1answer
73 views

meaning of ## in SQL Server Profiler trace data

I'm running a trace using the SQL Server Profiler. The trace data contains the following lines: WHERE CAST(LEFT(pc.Time_stamp,11) AS DATETIME >= ## AND CAST(LEFT(pc.Time_stamp, 11) AS DATETIME) ...
3
votes
2answers
176 views

SQL profiler running on prod

we have got performance experts analyzing our SQL server by running profiler traces in production. The profiler trace creates 20 GB of trace files everyday since 2 weeks. Is this a correct approach? ...
7
votes
2answers
3k views

SQL Profiler - Scripting a trace with HostName filter

I have a stock of scripted trace definitions that I use for different levels of diagnostics, none of which filter by HostName. I needed to filter traffic by host today so: Fired up Profiler Created ...
0
votes
2answers
4k views

Performance Benchmark - MySQL vs PostgreSQL [closed]

this is my first question here in DBA. I wish to do a performance comparison between MySQL and PostgreSQL using same database on the basis of total time taken to parse + execute + send result back ...
0
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0answers
114 views

can this mysql query be optimized further?

I have this query select counterparty_id, max(id) max_id from client_administrations where counterparty_type = 1 and effective_on <= '2013-10-22' group by counterparty_id When I ...
1
vote
1answer
118 views

Query Plan showing missing index warning on trivial statements

I have a Stored Procedure (ReportAdvancedUP) which runs fast (~1sec) in MSSMS but takes a long time (~1.8mins) via our Web Application. I am aware that this usually comes down to bad choice of ...
0
votes
1answer
12k views

Identify faulty sub-query (subquery returned more than 1 value)

I am trying to resolve an issue with a query that fails with this error: Subquery returned more than 1 value. This is not permitted when the subquery follows =, !=, <, <= , >, >= or when ...
1
vote
1answer
290 views

Measuring DB time of application using SQL Server Profiler

I have an application residing on the same host as a SQL Server database. There is a scenario in which this application is slow and due to co-existence of IIS and SQL Server, I cannot get which one ...
0
votes
1answer
200 views

Query Processing at backend (I/O on disk)

I have a table with 100k rows created on PostgreSQL 9.3 create table demo_bbb ( id numeric NOT NULL, code_bbb character varying, column_02 character varying, column_03 character varying, ...
3
votes
1answer
374 views

Perfmon and SQL Server Clustering

I'll be going onsite to run some performance tests for a client. They have a Windows Failover Cluster, which has a clustered instance of SQL Server. Let's assume for this post that my client's ...