>I have no test data which size is good, it is just trying out Sure, for this you need bad OS and large index, you are not as lucky as I am to have it :)
Anyhow, I would argument against default value. An algorithm is quite simple, if you hit OOM on map(), reduce this value until it fits :) no need to touch it if it works... ----- Original Message ---- > From: Uwe Schindler (JIRA) <j...@apache.org> > To: java-dev@lucene.apache.org > Sent: Monday, 13 July, 2009 17:21:15 > Subject: [jira] Updated: (LUCENE-1741) Make MMapDirectory.MAX_BBUF user > configureable to support chunking the index files in smaller parts > > > [ > https://issues.apache.org/jira/browse/LUCENE-1741?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel > > ] > > Uwe Schindler updated LUCENE-1741: > ---------------------------------- > > Attachment: LUCENE-1741.patch > > Attached is a patch using the JRE_IS_64BIT in Constants. I set the default to > 256 MiBytes (128 seems to small for large indexes, if the index is e.g. about > 1.5 GiBytes, you would get 6 junks. > > I have no test data which size is good, it is just trying out (and depends > e.g. > on how often you reboot Windows, as Eks said). > > > Make MMapDirectory.MAX_BBUF user configureable to support chunking the > > index > files in smaller parts > > > --------------------------------------------------------------------------------------------------- > > > > Key: LUCENE-1741 > > URL: https://issues.apache.org/jira/browse/LUCENE-1741 > > Project: Lucene - Java > > Issue Type: Improvement > > Affects Versions: 2.9 > > Reporter: Uwe Schindler > > Assignee: Uwe Schindler > > Priority: Minor > > Fix For: 2.9 > > > > Attachments: LUCENE-1741.patch, LUCENE-1741.patch > > > > > > This is a followup for java-user thred: > http://www.lucidimagination.com/search/document/9ba9137bb5d8cb78/oom_with_2_9#9bf3b5b8f3b1fb9b > > It is easy to implement, just add a setter method for this parameter to > MMapDir. > > -- > This message is automatically generated by JIRA. > - > You can reply to this email to add a comment to the issue online. > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: java-dev-unsubscr...@lucene.apache.org > For additional commands, e-mail: java-dev-h...@lucene.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: java-dev-unsubscr...@lucene.apache.org For additional commands, e-mail: java-dev-h...@lucene.apache.org
