Example usage for org.apache.lucene.index LogMergePolicy getMaxMergeDocs

Introduction

In this page you can find the example usage for org.apache.lucene.index LogMergePolicy getMaxMergeDocs.

Prototype

public int getMaxMergeDocs() 

Source Link

Document

Returns the largest segment (measured by document count) that may be merged with other segments.

Usage

From source file:org.apache.solr.core.TestMergePolicyConfig.java

License:Apache License

public void testLogMergePolicyConfig() throws Exception {

    final Class<? extends LogMergePolicy> mpClass = random().nextBoolean() ? LogByteSizeMergePolicy.class
            : LogDocMergePolicy.class;

    System.setProperty("solr.test.log.merge.policy", mpClass.getName());

    initCore("solrconfig-logmergepolicy.xml", "schema-minimal.xml");
    IndexWriterConfig iwc = solrConfig.indexConfig.toIndexWriterConfig(h.getCore().getLatestSchema());

    // verify some props set to -1 get lucene internal defaults
    assertEquals(-1, solrConfig.indexConfig.maxBufferedDocs);
    assertEquals(IndexWriterConfig.DISABLE_AUTO_FLUSH, iwc.getMaxBufferedDocs());
    assertEquals(-1, solrConfig.indexConfig.maxIndexingThreads);
    assertEquals(IndexWriterConfig.DEFAULT_MAX_THREAD_STATES, iwc.getMaxThreadStates());
    assertEquals(-1, solrConfig.indexConfig.ramBufferSizeMB, 0.0D);
    assertEquals(IndexWriterConfig.DEFAULT_RAM_BUFFER_SIZE_MB, iwc.getRAMBufferSizeMB(), 0.0D);

    LogMergePolicy logMP = assertAndCast(mpClass, iwc.getMergePolicy());

    // set by legacy <mergeFactor> setting
    assertEquals(11, logMP.getMergeFactor());
    // set by legacy <maxMergeDocs> setting
    assertEquals(456, logMP.getMaxMergeDocs());

}

---