Update Statistics And Rebuild Index

Feb 26, 2008

Is it neccessary to schedule a update statistics on index in sql server 2005 on daily basis
Is it neccessary to schedule a rebuild index on index in sql server 2005 on daily basis

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Online Index Rebuild And Update Statistics

Dec 12, 2006

Hi ..

Please advice whether i have to do update statistics along with Index rebuild (online /off line)

Thanks in advance

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SQL 2012 :: Sleeping Queries Blocking Rebuild Index And Update Statistics Job In AlwaysOn

Feb 3, 2015

At one of your client sides we have configured Always on with synchronous mode.Also we have schedule rebuild index and update statistics job which runs in night every alternate day. the issue is there are more then 100 sleeping queries which is blocking update statistics job.

I have to stop update statistics job manually once i come to office manually.

Once I have killed blocking sleeping query but then other sleeping query blocked it and so on.

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SQL Server 2008 :: Update Statistics On Tables Of Database After Rebuild Indexes?

Nov 5, 2015

If I rebuild some indexes that are above 30% of average fragmentation, should I after that update statistics?

Also, How can I see if I Need to update statistics^on the tables of my database?

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How Often Shoud We Run Reorganize Index And Update Statistics...

Jul 30, 2007

We have a 20 GB database and reorganize indexes and update statistics maintainance takes about 4 hours and the log files grows out of control what is a serious problem since it can not be truncated (database mirroring).

Ivan

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SQL 2012 :: Index Rebuild Job Fails Periodically At Update Stats?

Mar 18, 2015

I have a job that runs nightly, rebuild index. job runs fine every night but every few weeks it fails.

USE msdb
GO
EXECUTE dbo.IndexOptimize
@Databases = 'USER_DATABASES',
@FragmentationLow = NULL,
@FragmentationMedium = 'INDEX_REORGANIZE,INDEX_REBUILD_ONLINE,INDEX_REBUILD_OFFLINE',
@FragmentationHigh = 'INDEX_REBUILD_ONLINE,INDEX_REBUILD_OFFLINE',
@FragmentationLevel1 = 5,
@FragmentationLevel2 = 30,
@SortInTempdb = 'Y',
@UpdateStatistics = 'ALL',
@OnlyModifiedStatistics = 'Y'

This calls the Sp that does the Reindex. It fails at the update statistics with a very generic message. like " Command: UPDATE STATISTICS [xxxx_DB].[dbo].[xxxx_xxx] [_WA_Sys_00000007_49C3F6B7] [SQ... The step failed."

I suspect it has more error but this is all it is showing me when I right click on the job history. therefore, I updated the job step in the advance tab with log to a txt file. Am I on the right track or there is another way to see error some where else.

I looked at the logs but they didn't show any thing.

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SQL Server Admin 2014 :: Update Stats After Rebuild And Reorganize Index

Jun 26, 2015

We face slow performance issue for like taking long time for same query execution after We apply index rebuild and reorganize index. But, after execution of query or procedure for 2 -3 times, performance will be faster. I have following questions

1 do we need to update stats after we rebuild an reorganize index.
2. is it will be slow for 1-2 times for every query and stored procedure execution after we rebuild and reorganize index?

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Integration Services :: Rebuild Index / Refresh Index And Stats Improves Ssis Package Performance

Oct 28, 2015

My SSIS package is running very slow taking so much time to execute, One task is taking 2hr for inserting 100k records, i have disabled unused index still it is taking time.I am rebuilding/Refreshing indexes and stats once in month if i try to execute on daily basis will it improve my SSIS Package performance? 

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Reorganize Index And Rebuild Index ??

Mar 18, 2008

Hi,

I just want to know whether any advantage or disadvantage
in doing Reorganize Index And Rebuild Index ....

Plz do comment on this ASAP !!!!

Thanks in advance

Regards

Arv

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Reorganize Index And Rebuild Index

Mar 18, 2008

Hi,

I just want to know whether any advantage or disadvantage
in doing Reorganize Index And Rebuild Index ....

Plz do comment on this ASAP !!!!

Thanks in advance

Regards

Arv

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Index Rebuild Took 9 Hrs

Jun 29, 2001

Running SQL 7.0 SP3 on P3 dual 800.

I rebuild indexes every night as part of the maintenance plan. Usually it takes about 1 hr 10 minutes on a 15 G db, last night it took 9 hrs.

I have no idea why it would take so long. Nothing changed, there were no new indexes created and none deleted.

Any ideas? I have to find out why. My boss wants an answer.

Thanks in advance.
Kelsey

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Index Rebuild

Nov 1, 2006

Hi All,

Is there any way to calculate how big the transaction log will grow during the rebuilding of the indexes?

Thanks.

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Index Rebuild

Jan 11, 2006

I run dbcc dbreindex command and send the output to the text file. Is there any other way to check that indexes were in fact rebuild?

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Rebuild Index Job

Jan 15, 2008

Rebuild Index job for user db's is failing, one user db is a huge size 120 GB. The job scheduled to run every sunday 1 AM

I found the below error in log report

Rebuild Index Task (server name)
Rebuild index on Local server connection
Databases: All user databases
Object: Tables and views
Original amount of free space
Task start: 01/13/2008 1:26 AM.
Task end: 01/13/2008 2:38 AM.
Failed-1073548784) Executing the query "ALTER INDEX [Idx_CISCO_WLC_EVENTID] ON [dbo].[CISCO_WLC_200711262137] REBUILD WITH ( PAD_INDEX = OFF, STATISTICS_NORECOMPUTE = OFF, ALLOW_ROW_LOCKS = ON, ALLOW_PAGE_LOCKS = ON, SORT_IN_TEMPDB = OFF, ONLINE = OFF )
" failed with the following error: "Cannot find the object "dbo.CISCO_WLC_200711262137" because it does not exist or you do not have permissions.". Possible failure reasons: Problems with the query, "ResultSet" property not set correctly, parameters not set correctly, or connection not established correctly.


Please let me know the solution?

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Speeding Up An Index Rebuild....

Dec 19, 2000

Hi all...

I have a table with over 60 million rows (approx 20GB) which has an indexed column. I have tried using DBC DBReindex to rebuild the index, but after kicking it off on a friday, it is still running the following wednesday. Since managers and other finicky types access this database, that's not acceptable (it slows down their reporting).

Is there a way to speed up the reindexing process? Perhaps by adding space to the tempdb (it's 500MB) or putting it in RAM temporarily? I haven't seen any articles that specifically state that TEMPDB is used during an index rebuild, but it seems logical that it would be.

Any suggestions to speed up the process would be most appreciated!

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Alter Index ... Rebuild

May 1, 2008

If the index to be rebuilt is a clustered index, will all non-clustered indexes be rebuilt also by rebuilding only the clustered index.

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Index Rebuild Does Not Defrag

Oct 3, 2007

Hi,

After issuing an index rebuild on a primary key index (and updating statistics), the index still shows a scan density of 12.5%!

Any ideas on why the rebuild doesn't seem to do anything on the fragmentation levels?

I'm using sql 2005

Thanx

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Does Alter Index All Rebuild...

Nov 16, 2007

Does "Alter Index All Rebuild" rebuild just the tree level of the index? Or does it also rebuild the leaf level like reorganize?

Thanks and God Bless,
Thomas


ThomBeaux

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How Do I Tell When To Rebuild A Clustered Index?

Sep 20, 2007



How do I tell when to rebuild a clustered index and what is the best way to do so?

Thanks!

Michael

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Index Rebuild Question

Nov 6, 2007



If I rebuild an index using:

ALTER INDEX IndexName ON dbo.TableName REBUILD WITH (ONLINE = ON)

Why would dm_db_index_physical_stats, show avg_fragmentation_in_percent as 50 percent?

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Rebuild And Reorganized Index

Jan 18, 2008

assuming that i don't have a problem that rebuilding the index take more CPU and locks the database resources.

if i run the rebuild index ,do i need to run the reorganized index as well? or the rebuild index fix whats the reorganizes Will fix if it will run?

THX

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Transact SQL :: Index Rebuild MP

Oct 12, 2015

I would like to completely understand the difference between index rebuild Maintenace plan and the customized script.Maintenance Plan rebuilds every single index.It will take the long time as it checks every index.If we use a custom script as a job, it will rebuild the index which has fragmentation  >30%.So that, the job will not take much time.

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Big Clustered Index Rebuild

Jul 25, 2007

I need to establish the storage requirements for a clustered index rebuild with SQL 05. The table is made up of the following columns



[ProductID] [int] NOT NULL,

[RegionID] [int] NOT NULL,

[TimeID] [int] NOT NULL,

[FactID] [int] NOT NULL,

[Value] [decimal](14, 4) NOT NULL



This is the clustered index :-



[RegionId] ASC,

[FactId] ASC,

[TimeId] ASC,

[ProductId] ASC



This is the result of a sp_spaceused on this particular table














name
rows
reserved
data
index_size
unused

Table
16910379278
868107368 KB
863579184 KB
3869848 KB
658336 KB



The database where this table is stored is in Simple recovery mode.



What i would really like to know is, what additional storage would i require to run the following rebuild index command.



Alter Index blah on table Rebuild



Thanks





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Index Statistics

Jun 6, 2000

What are some ways to analyze index coverage and usage? I have a 18 GB database, half is data, other half is indexes and I want to cut down that number as much as I can without affecting performance. Thanks

Peter Karhatsu

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Index Statistics

Feb 14, 2001

I have been monitoring some indexes on a table with a lot of inserts, no updates and no deletes. I was wanting to determine when to update the statistics on the index. Does anyone know what would be a good target range for the density when you run the dbcc show_statistics?

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Index Statistics

Jun 9, 2000

I was wondering how often you should reindex. By looking at dbcc showcontig and statistics I see that I am heavily fragmented and scan density is between 10-30% on my important indexes. I'm thinking of scheduling this to be done nightly. nay help is much appreciated.

Pete Karhatsu

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Msg 2511 / Rebuild Index Not Working

Jun 23, 1999

Fellow MSSQL DBA's, I am stuck. I am getting a Msg 2511 on a production database. The message reads - Table Corrupt: Keys in leaf page should be in ascending order. I have dropped the offending index and rebuilt both through the application and through ISQL. Neither method fixed the problem. DBCC CHECKDB shows no errors as long as the index does not exist. I have checked out the data and see no problems. Any ideas?
Thanks very much.

Tracy Hughes
thughes@neonsoft.com
office 303-805-5693

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Rebuild Index Task - Online Only?

Jun 19, 2008

Hi all,

In SQL Server 2005 EE I created a maintenance plan to rebuild indexes for a few large tables. I have selected five specific tables, and I'm using both "sort results in tempdb" as well as "keep index online while reindexing".

If I execute this plan for all these tables, are the indexes guaranteed to remain online? There are all different types of indexes on these tables. For example, the table "Contacts" has 8 indexes: 1 Clustered, 1 PK Unique Non-Clustered, 2 Unique Non-Clustered, and 4 Non-Unique Non-Clustered. I've heard that only certain types of indexes can remain online during a reindex (Clustered and Non-Unique Non-Clustered??).

Will SQL Server rebuild an index that isn't compatible with the online reindex mode, or will it choose to ignore it?

Thanks,

- Matt

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SQL 2005 JOB Contains Rebuild Index Failing

Dec 4, 2007

SQL Server 2005 version: 2153
I created a maintplan for system and user databases includes rebuild index, maint cleanup tasks.

Job is failing for user databases
It includes rebuild index task( online index enabled) and maintenance cleanup task, scheduled at every sunday 1 AM.


I receive following errors:

In eventvwr log

sql server scheduled job 'DBMP_RebuildIndex_User'
status: failed-Invoked on 2007-12-02 -1:00 Message: The job failed. The job was invoked by schedule 8 ('DBMP_RebuildIndex_User-Schedule).The last step to run was step1 ('DBMP_RebuildIndex_User')[/red]

In log report:

Failed:(-1073548784) Excuting the query "ALTER INDEX [XPKact_log] ON
[dbo].[act log] REBUILD WITH (PAD_INDEX=OFF,
STATISTICS_NORECOMPUTE=OFF,ALLOW_ROW_LOCKS=ON,ALLOW_PAGE_LOCKS=ON,SORT_IN_TEMPDB=OFF,ONLINE=ON)
"failed with the following error "Online index operation cannot be performed for index 'XPKact_log' because the index contains column 'action_desc' of data type text, ntext.image.varchar(max),varbinary(max) or xml. For non clusterd index the column could be an include column of the index. for clusterd index it could be any column of the table .Incase of drop_existing the cloumn could be part of new or old index. The operation must be performed offline". Possible failure reasons : Problems with the querey .'" Resultset" property not set correctly, parameters not set correctly, or connection not established correctly.

Please anyone help me on this?
I really appriciate

Thnks

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SQL2005 Rebuild Index Not Working

Jun 9, 2006

After rebuilding an index, it still shows as the same amount offragmentation. ANy ideas what's wrong?I'm determining which indexes to rebuild using the following query:SELECTOBJECT_NAME(i.object_id) AS TableName,i.name AS IndexName,ips.avg_fragmentation_in_percentFROM sys.dm_db_index_physical_stats(DB_ID(), NULL, NULL, NULL,'DETAILED') ipsJOIN sys.indexes i ONi.object_id = ips.object_idAND i.index_id = ips.index_idWHERE ips.avg_fragmentation_in_percent > 10(I know 10% is not enough where a full rebuild is called for, justwanted to see my fragmentation)Then I rebuild w/:ALTER INDEX IX_CustomerName ON Customers REBUILDWhen I rerun the 1st query the same amount of fragmentation is shownas before the rebuild. I'd appreciate any help.

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Rebuild Index Issue - - Strange

Jun 19, 2006

Hi Folks,SQL Server 2000 SP3 on Windows 2000. I have a database on which I ranthe command :dbcc dbreindex ('tablename')gofor all tables in the database. Then I compared the dbcc showcontigwith all_index output from before and after the reindex and on thelargest table in the database I found this. First output is prior toreindex:Table: 'PlannedTransferArchive' (1975014117); index ID: 1, database ID:7TABLE level scan performed.- Pages Scanned................................: 184867- Extents Scanned..............................: 23203- Extent Switches..............................: 23324- Avg. Pages per Extent........................: 8.0- Scan Density [Best Count:Actual Count].......: 99.07% [23109:23325]- Logical Scan Fragmentation ..................: 11.13%- Extent Scan Fragmentation ...................: 35.46%- Avg. Bytes Free per Page.....................: 60.0- Avg. Page Density (full).....................: 99.26%Second output is from after the reindex:DBCC SHOWCONTIG scanning 'PlannedTransferArchive' table...Table: 'PlannedTransferArchive' (1975014117); index ID: 1, database ID:8TABLE level scan performed.- Pages Scanned................................: 303177- Extents Scanned..............................: 37964- Extent Switches..............................: 42579- Avg. Pages per Extent........................: 8.0- Scan Density [Best Count:Actual Count].......: 89.00% [37898:42580]- Logical Scan Fragmentation ..................: 43.19%- Extent Scan Fragmentation ...................: 24.78%- Avg. Bytes Free per Page.....................: 75.1- Avg. Page Density (full).....................: 99.07%Following are my concerns:The following numbers are all higher after reindex than before reindex:pages scanned, extent switches, logical scan fragmentation, avg bytesfree per page, avg page density.scan density is lower after reindex than before reindexSeems to me that the numbers that are higher after reindex should belower and numbers that are lower after reindex should be higher? Ididn't specify the fill factor in the dbcc reindex command so it shouldhave used the default fill factor. The fill factor has never beenchanged on this machine.Am I missing something?Thanks,Raziq.*** Sent via Developersdex http://www.developersdex.com ***

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Rebuild Index Maintenance Is Failed?

May 11, 2015

Rebuild index maintenance plan is failed, since we don't have space in the C:Drive we have left the option as it is to sort the results in user databases respectively. These user databases are in E: with sufficient space to rebuild index.

Check the below details.

SQL Server 2005: Microsoft SQL Server 2005 - 9.00.5000.00 (X64)   Dec 10 2010 10:38:40   Copyright (c) 1988-2005 Microsoft Corporation  Standard Edition (64-bit) on Windows NT 5.2 (Build 3790: Service Pack 2) 

Online reindexing supports in SQL Server 2005 Standard Edition? Job is failing because these options (sort results in tempdb & keep index online while reindexing) is not checked (enabled)?

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ALTER INDEX &&<tablename&&> REBUILD

Aug 30, 2007

I have read through BOL but am still confused by the above sql. I think it rebuilds all indexes on a table. Am I correct? (If so, if would seem to be a good thing to run it nightly on all tables in all databases. Or maybe that is too extreme)


Barkingdog

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