选择 solr/lucene 提交策略 [英] Choosing a solr/lucene commit strategy

问题描述

I have 120k db records to commit into a Solr index.

My question is: should I commit after submitting every 10k records, or only commit once after submitting all the 120k records?

Is there any difference between these two options?

解决方案

Use Solr's default auto-commit values, which I believe are quite reasonable. If not, you can adjust them to suit your needs:

<!-- autocommit pending docs if certain criteria are met.  Future versions may expand the available
 criteria -->
<autoCommit>
  <maxDocs>10000</maxDocs> <!-- maximum uncommited docs before autocommit triggered -->
  <maxTime>50000</maxTime> <!-- maximum time (in MS) after adding a doc before an autocommit is triggered -->
</autoCommit>

This means that it will commit when there are more than 10000 docs waiting to be committed, or 50s have passed since a document was added.

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