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From markwaddle <m...@markwaddle.com>
Subject Core/shard preference
Date Mon, 19 Oct 2009 22:30:07 GMT

I have a small core performing deltas quickly (core00), and a large core
performing deltas slowly (core01), both on the same set of documents. The
delta core is cleaned nightly. As you can imagine, at times there are two
versions of a document, one in each core. When I execute a query that
matches this document, sometimes it will come from the delta core, and some
times it will come from the large core. It almost seems random. Here is my
query:

http://porsche:8181/worldip5/core00/select?shards=porsche:8181/worldip5/core00/,porsche:8181/worldip5/core01/&start=0&rows=20&q=hazard+gas+countrycode:JP

When the delta documents from core00 are returned as desired the access logs
show:

10.36.34.150 - - [19/Oct/2009:15:22:37 -0700] POST /worldip5/core00/select
HTTP/1.1 200 293 1
10.36.34.150 - - [19/Oct/2009:15:22:37 -0700] POST /worldip5/core01/select
HTTP/1.1 200 506 1
10.36.34.150 - - [19/Oct/2009:15:22:37 -0700] POST /worldip5/core00/select
HTTP/1.1 200 1151 1
10.36.34.150 - - [19/Oct/2009:15:22:37 -0700] POST /worldip5/core01/select
HTTP/1.1 200 2597 1
10.36.34.151 - - [19/Oct/2009:15:22:37 -0700] GET
/worldip5/core00/select?shards=porsche:8181/worldip5/core00/,porsche:8181/worldip5/core01/&start=0&rows=20&q=hazard+gas+countrycode:JP
HTTP/1.1 200 11881 9

When the documents are returned from core01 the access logs show:
10.36.34.150 - - [19/Oct/2009:15:22:37 -0700] POST /worldip5/core00/select
HTTP/1.1 200 289 1
10.36.34.150 - - [19/Oct/2009:15:22:37 -0700] POST /worldip5/core01/select
HTTP/1.1 200 506 1
10.36.34.150 - - [19/Oct/2009:15:22:37 -0700] POST /worldip5/core01/select
HTTP/1.1 200 3390 1
10.36.34.151 - - [19/Oct/2009:15:22:37 -0700] GET
/worldip5/core00/select?shards=porsche:8181/worldip5/core00/,porsche:8181/worldip5/core01/&start=0&rows=20&q=hazard+gas+countrycode:JP
HTTP/1.1 200 11873 9

Any ideas on why there is a difference in the requests made? Is there a way
I can tell Solr to prefer the documents in core00?

Mark
-- 
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