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[LUCENE-8884] Add Directory wrapper to track per-query IO counters - Lucene - [issue]
...Lucene's IO abstractions (Directory, IndexInput/Output) make it really easy to track counters of how many IOPs and net bytes are read for each query, which is a useful metric to track/aggreg...
http://issues.apache.org/jira/browse/LUCENE-8884    Author: Michael McCandless , 2019-08-16, 18:02
[LUCENE-8947] Indexing fails with "too many tokens for field" when using custom term frequencies - Lucene - [issue]
...We are using custom term frequencies (LUCENE-7854) to index per-token scoring signals, however for one document that had many tokens and those tokens had fairly large (~998,000) scoring sign...
http://issues.apache.org/jira/browse/LUCENE-8947    Author: Michael McCandless , 2019-08-14, 14:59
[SOLR-9108] Improve how index time sorting is configured - Solr - [issue]
...Spinoff from LUCENE-6766.We used to have a SortingMergePolicy to configure index time sorting, but with LUCENE-6766 you now set this on IndexWriterConfig.Solr had exposed index time sorting,...
http://issues.apache.org/jira/browse/SOLR-9108    Author: Michael McCandless , 2019-08-07, 15:50
Lucene Index Cloud Replication - Lucene - [mail # user]
...+1 to share code for doing 1) and 3) both of which are tricky!Safely moving / copying bytes around is a notoriously difficult problem ...but Lucene's "end to end checksums" and per-segment-f...
   Author: Michael McCandless , 2019-07-09, 12:50
New feature idea - Backwards (FST) dictionary for approximate string search - Lucene - [mail # dev]
...This sounds interesting!Did your patch build the FST at index time, so at search time all that wasneeded was to load the FST from the index directory?Is the FST per-segment?Mike McCandlessht...
   Author: Michael McCandless , 2019-07-09, 10:18
find documents with big stored fields - Lucene - [mail # user]
...Hi Rob,The codec records per docid how many bytes each document consumes -- maybeinstrument the codec's sources locally, then open your index and have itvisit stored fields for every doc in ...
   Author: Michael McCandless , 2019-07-01, 09:58
Welcome Kevin Risden to the PMC - Lucene - [mail # dev]
...Welcome Kevin!Mike McCandlesshttp://blog.mikemccandless.comOn Thu, Jun 27, 2019 at 8:04 AM Jan Høydahl  wrote:> I am pleased to announce that Kevin Risden has accepted the PMC's> ...
   Author: Michael McCandless , 2019-07-01, 01:24
Welcome Munendra S N as Lucene/Solr committer - Lucene - [mail # dev]
...Welcome Munendra!MikeOn Fri, Jun 21, 2019 at 11:42 AM Ishan Chattopadhyaya <[EMAIL PROTECTED]> wrote:> Hi all,>> Please join me in welcoming Munendra as a Lucene/Solr committe...
   Author: Michael McCandless , 2019-06-21, 10:32
[LUCENE-8854] Can we do "doc at a time scoring" from the BKD tree for exact queries? - Lucene - [issue]
...Random idea: normally our point queries must walk the BKD tree, building up a sparse or dense bitset as a 1st pass, then in 2nd pass run the "normal" query scorers (postings, doc values), be...
http://issues.apache.org/jira/browse/LUCENE-8854    Author: Michael McCandless , 2019-06-13, 10:39
[LUCENE-8785] TestIndexWriterDelete.testDeleteAllNoDeadlock failure - Lucene - [issue]
...I was running Lucene's core tests on an i3.16xlarge EC2 instance (64 cores), and hit this random yet spooky failure:   [junit4]   2> NOTE: reproduce with: ant test  -Dtestcase=TestIndexWr...
http://issues.apache.org/jira/browse/LUCENE-8785    Author: Michael McCandless , 2019-06-05, 21:30