https://issues.apache.org/jira/browse/LUCENE-1551
On Mon, Mar 2, 2009 at 13:40, Michael McCandless <luc...@mikemccandless.com> wrote: > > Ahh good point, that is missing. Can you open a Jira issue? Thanks. > > Mike > > Danil ŢORIN wrote: > >> I'm more interested in reopen(IndexCommit) so I could have full >> benefits of LUCENE-1483 (faster open, warm caches, less GC and so on) >> but on specific commit point. >> >> I'm not sure it's possible in current trunk, and if we have >> open(IndexCommit) & company, maybe we should also have similar set of >> methods for reopen? >> >> On Mon, Mar 2, 2009 at 12:12, Michael McCandless >> <luc...@mikemccandless.com> wrote: >>> >>> This is already available, as of 2.4. >>> >>> Mike >>> >>> Danil ŢORIN wrote: >>> >>>> What about opening IndexReader/Searcher on certain commit point? >>>> Will it be implemented in 2.9? >>>> >>>> The use-case is similar to the one Michael Busch described, only I >>>> would like to open (or reopen) a searcher on specific commit point. >>>> >>>> >>>> On Fri, Feb 27, 2009 at 20:31, Michael McCandless >>>> <luc...@mikemccandless.com> wrote: >>>>> >>>>> Michael Busch wrote: >>>>> >>>>>> Actually I personally don't need Lucene to be "write once". The reason >>>>>> why >>>>>> I started this thread about the segments.gen file was that in our >>>>>> project we >>>>>> sometimes need to rollback to a previous commit-point (using Lucene >>>>>> 2.4.0) >>>>>> that we keep around with the SnapshotDeletionPolicy. To get rid of the >>>>>> newest commit-point we simply delete the most recent segments file. >>>>>> But >>>>>> then >>>>>> we also have to delete the segments.gen file, otherwise Lucene will >>>>>> read >>>>>> the >>>>>> generation from it and try to find the segments file we deleted. Then >>>>>> Lucene >>>>>> will recreate the segments.gen file. This just made me think that this >>>>>> is >>>>>> not very clean (deleting and recreating the segments.gen) especially >>>>>> because >>>>>> we use a local FS and don't even need the .gen file. >>>>> >>>>> Ahh... OK. In trunk/2.9, you can explicitly open an IndexWriter on a >>>>> prior >>>>> commit point, which will take care of the gen file for you. >>>> >>>> --------------------------------------------------------------------- >>>> 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 >>> >>> >> >> --------------------------------------------------------------------- >> 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 > > --------------------------------------------------------------------- To unsubscribe, e-mail: java-dev-unsubscr...@lucene.apache.org For additional commands, e-mail: java-dev-h...@lucene.apache.org
