yuanyun.cn created SOLR-3946:
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Summary: Support delta import in SolrEntityProcessor
Key: SOLR-3946
URL: https://issues.apache.org/jira/browse/SOLR-3946
Project: Solr
Issue Type: Improvement
Components: clients - java
Affects Versions: 4.0
Reporter: yuanyun.cn
Priority: Minor
Fix For: 4.1
SolrEntityProcessor is very useful to copy a part of index from central solr to
another solr server based on some query.
But its function is quite limited, doesn't support delta import, which is a
quite useful feature, for example:
One central solr server stores index of all docs, in the index we record
information such as owner, last_modified and etc. Then create a local cache
solr server in client side which only contains index of docs created by this
user, so user can search his/her docs even when there is no internet
connection. After the first full import to copy index of doc created by this
user in last several weeks (or month), we want to update index in client's
local solr server consistently from the central server.
But now, we can't do this, as SolrEntityProcessor doesn't support delta-import
- which already supports in SqlEntityProcessor: using deltaQuery,
deltaImportQuery to do delta-import, using deletedPkQuery to remove deleted
index when do delta-import.
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