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Unable To Extend Rollback Segment


PRTG is easy to set up &use. What difference has the system restart made? You end up waiting for log file syncs b) you are probably also flooding your log files, and your alert log has messages to the effect of "cannot allocate new log". NOLOGGING would be far more appropriate if the volume of the data load was much (orders of magnitude) greater, and if you were able to drop indexes before load and re-build http://brrian.net/to-extend/unable-to-extend-desktop.html

Thanks, Venkat Followup March 12, 2004 - 9:47 am UTC the size of your transaction is directly related to the amount of undo you generate the amount of undo you generate The number of records are around 20000. sorry i meant it(the optimal setting) Tarry Singh I'm a JOLE(JavaOracleLinuxEnthusiast) --- Everything was meant to be--- Reply With Quote 05-06-2002,12:48 PM #7 pando View Profile View Forum Posts Pando & It means someone left a transaction open longer then they should have (an abberation) or someone did a really big transaction (another abberation). https://asktom.oracle.com/pls/asktom/f?p=100:11:0::::P11_QUESTION_ID:2837676559353

Ora-01562 Failed To Extend Rollback Segment

all of the 7 rollback segs with 7GB each and failed to extended to beyond 7GB. second v$undostat is "system wide", it is not for your transaction only. RBS max extent May 29, 2006 - 10:21 am UTC Reviewer: Michel Cadot from France Hi, It depends on your Oracle7 version. The trick is to create a PLSQL procedure and include the insert statement as a loop performing a COMMIT every "n" records.

ORA-01547 failed to allocate extent of size nnn in tablespace xxx There is not enough room in the tablespaces file(s) to add an extent of nnnblocks. If you are experiencing a similar issue, please ask a related question Suggested Solutions Title # Comments Views Activity is db2 really incapable of taking online backups without locking stuff up? Check the status of your rollback segments by connecting to ORACLE as SYSTEM and typing: SELECT SEGMENT_NAME,STATUS FROM DBA_ROLLBACK_SEGS; You will likely see that all except SYSTEM are OFFLINE. DB_BLOCK_SIZE - 8K O/S - Windows 2000 Oracle - Before doing anything I exectued the below query: Query-1 ======= SELECT a.tablespace_name, ROUND(a.totsize/1024/1024,0) "Tot Size (MB)", ROUND(NVL(b.used,0)/1024/1024,0) "Used (MB)", 100 -

Let me know what information I should provide. 0 Comment Question by:jasonsbytes Facebook Twitter LinkedIn https://www.experts-exchange.com/questions/23736042/failed-to-extend-rollback-segment.htmlcopy LVL 7 Best Solution byDiscoNova What size are the tablespace files for the rollback segments? The output of v$undostat for my transaction is given below: BTIME ETIME UNDOTSN UNDOBLKS TXNCOUNT ------------------ ------------------ ---------- ---------- ---------- 17/mar/2004 12:20 17/mar/2004 12:30 1 1726 108674 undoblocks - 1726 block Either make the existing datafile for the rollback segment bigger or add an additional datafile to the rollback segment. their explanation Please do not spam your question across multiple sites and ask multiple groups of people to tell you the same thing. « Next Oldest · Oracle Forum · Next Newest

undo size estimation March 15, 2004 - 7:05 am UTC Reviewer: K.Venkatasubramanian from India Dear Tom, Concept is understood. Subscribe to our monthly newsletter for tech news and trends Membership How it Works Gigs Live Careers Plans and Pricing For Business Become an Expert Resource Center About Us Who We Ask Tom version 3.2.0. more hot questions question feed lang-sql about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation


Just a thought, -Mark Followup April 18, 2002 - 8:30 am UTC won't affect much at all. Is there any way to bypass UNDO as we use NOLOGGING to bypass redo? Ora-01562 Failed To Extend Rollback Segment if shrinks are low and aveshrink high then the setting is good. Ora 01562 Failed To Extend Rollback Segment Number 4 As this is being used by Rollback Segment.

I decide optimal shouldn't be used. (in 9i, i'm using undo tablespaces so the following no longer applies) I use equi-sized rollback segments. check my blog I explain the how and why of "committing frequently will only make you run slower and consume more resources". My question is how do we decide what should be the OPTIMAL size. Join the community of 500,000 technology professionals and ask your questions. Ora-01562 Failed To Extend Rollback Segment Number 9

Followup April 18, 2002 - 8:58 pm UTC That is an incorrect impression. They are all different sizes (guessing on that). If that is 25m (and so on). this content Followup May 29, 2006 - 7:37 am UTC create new rollback segments with larger extent sizes.

Therefore quite often when SQL inserting a large volume of data (over 100,000 records), "ORA-01650: Unable to extend rollback segment" error would occur. What action to take? in which case the rbs is going to wrap around ??

Wait and hour.

I thought only the tablespace in which they reside, was too small for this problem to happen. You use blocks 91, 92, ... 100. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed You were most certainly using RBS.

Use SELECT SEGMENT_NAME FROM DBA_ROLLBACK_SEGS WHERE SEGMENT_ID=string (where string is the segment number from the message) to determine the rollback segment name. Aren't rollbacks are exclusvely for data blocks? It was useful. have a peek at these guys share|improve this answer answered Oct 12 '12 at 13:45 Robbie Dee 1557 add a comment| up vote 0 down vote either allow more space for the rollback segment to grow.

If so, probably not. See how the initial is 2*5 -- its accounted for. They can not provide more info.