no, you can't delete those files, and you can't regenerate just those files, all the various segment files are necessary and intertwined...
Consider using the CheckIndex facility, see: http://solr.pl/en/2011/01/17/checkindex-for-the-rescue/ note, the CheckIndex class is contained in the lucene core jar.... You can run it with the -fix option to repair (at, perhaps, the expense of loss of some documents) if you choose, but running it without that option first is probably a good idea.. Best Erick On Mon, Jul 9, 2012 at 7:43 AM, T Vinod Gupta <tvi...@readypulse.com> wrote: > this is on local file system on amazon ec2 host. the file system was fine > until a week ago when the outage happened and there were probably some > system glitches. i have seen this issue since then.. sometimes regular > commands like less or ls hang for many seconds even though there is no > cpu/memory pressure on the machine. > > in my case, there are only 2 unique entries for which i see this error. one > for a .fdt file and one for a .tis file. is it possible to regenerate those > files somehow? if i delete those 2 files, will the entire index get > corrupted? im ok to live with some data loss if it makes it more stable and > performant. > > thanks > > On Mon, Jul 9, 2012 at 2:28 AM, Ian Lea <ian....@gmail.com> wrote: > >> Is this on a local or remote file system? Is the file system itself >> OK? Is something else messing with your lucene index at the same >> time? >> >> >> -- >> Ian. >> >> >> On Sun, Jul 8, 2012 at 8:58 PM, T Vinod Gupta <tvi...@readypulse.com> >> wrote: >> > Hi, >> > My log files are showing the below exceptions almost at twice a minute >> > frequency. what is causing it and how can i fix it? I am not using lucene >> > directly but instead using elasticsearch (0.18.7 version). but since the >> > stack trace is all lucene, i am sending it to this mailing list. >> > >> > also, my queries are taking a long time to execute (sometimes take a >> > minute). could this be contributing to it somehow? >> > >> > [2012-07-08 19:44:19,887][WARN ][index.merge.scheduler ] [<my node >> > name>] [twitter][4] failed to merge >> > java.io.IOException: Input/output error: >> > NIOFSIndexInput(path="/media/ephemeral0 >> > /ES_data/elasticsearch/nodes/0/indices/twitter/4/index/_2h29k.tis") >> > at >> > org.apache.lucene.store.NIOFSDirectory$NIOFSIndexInput.readInternal(N >> > IOFSDirectory.java:180) >> > at >> > org.apache.lucene.store.BufferedIndexInput.refill(BufferedIndexInput. >> > java:229) >> > at >> > >> org.apache.lucene.store.BufferedIndexInput.readByte(BufferedIndexInput.java:39) >> > at org.apache.lucene.store.DataInput.readVInt(DataInput.java:105) >> > at >> > >> org.apache.lucene.store.BufferedIndexInput.readVInt(BufferedIndexInput.java:197) >> > at org.apache.lucene.index.TermBuffer.read(TermBuffer.java:86) >> > at >> > org.apache.lucene.index.SegmentTermEnum.next(SegmentTermEnum.java:133) >> > at >> > org.apache.lucene.index.SegmentMergeInfo.next(SegmentMergeInfo.java:72) >> > at >> > >> org.apache.lucene.index.SegmentMerger.mergeTermInfos(SegmentMerger.java:546) >> > at >> > org.apache.lucene.index.SegmentMerger.mergeTerms(SegmentMerger.java:473) >> > at >> > org.apache.lucene.index.SegmentMerger.merge(SegmentMerger.java:109) >> > at >> > org.apache.lucene.index.IndexWriter.mergeMiddle(IndexWriter.java:4295) >> > at >> org.apache.lucene.index.IndexWriter.merge(IndexWriter.java:3940) >> > at >> > >> org.apache.lucene.index.ConcurrentMergeScheduler.doMerge(ConcurrentMergeScheduler.java:388) >> > at >> > >> org.apache.lucene.index.TrackingConcurrentMergeScheduler.doMerge(TrackingConcurrentMergeScheduler.java:88) >> > at >> > >> org.apache.lucene.index.ConcurrentMergeScheduler$MergeThread.run(ConcurrentMergeScheduler.java:456) >> > Caused by: java.io.IOException: Input/output error >> > at sun.nio.ch.FileDispatcher.pread0(Native Method) >> > at sun.nio.ch.FileDispatcher.pread(FileDispatcher.java:49) >> > at sun.nio.ch.IOUtil.readIntoNativeBuffer(IOUtil.java:248) >> > at sun.nio.ch.IOUtil.read(IOUtil.java:224) >> > at sun.nio.ch.FileChannelImpl.read(FileChannelImpl.java:663) >> > at >> > >> org.apache.lucene.store.NIOFSDirectory$NIOFSIndexInput.readInternal(NIOFSDirectory.java:162) >> > ... 15 more >> > >> > thanks >> >> --------------------------------------------------------------------- >> To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org >> For additional commands, e-mail: java-user-h...@lucene.apache.org >> >> --------------------------------------------------------------------- To unsubscribe, e-mail: java-user-unsubscr...@lucene.apache.org For additional commands, e-mail: java-user-h...@lucene.apache.org
