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https://issues.apache.org/jira/browse/SOLR-6640?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Varun Thacker updated SOLR-6640:
--------------------------------
Attachment: SOLR-6640_new_index_dir.patch
This patch uses the following approach - Download all missing files from leader
into the tempIndexDir and then copy over the remaining files from the current
index directory into the tempIndexDir. Now use the index.properties method to
switch to the new index.
Main changes are in moveIndexFiles() method.
Still very rough and needs refactoring, but wanted to share this approach and
get some thoughts on it.
> ChaosMonkeySafeLeaderTest failure with CorruptIndexException
> ------------------------------------------------------------
>
> Key: SOLR-6640
> URL: https://issues.apache.org/jira/browse/SOLR-6640
> Project: Solr
> Issue Type: Bug
> Components: replication (java)
> Affects Versions: 5.0
> Reporter: Shalin Shekhar Mangar
> Fix For: 5.0
>
> Attachments: Lucene-Solr-5.x-Linux-64bit-jdk1.8.0_20-Build-11333.txt,
> SOLR-6640.patch, SOLR-6640.patch, SOLR-6640_new_index_dir.patch
>
>
> Test failure found on jenkins:
> http://jenkins.thetaphi.de/job/Lucene-Solr-5.x-Linux/11333/
> {code}
> 1 tests failed.
> REGRESSION: org.apache.solr.cloud.ChaosMonkeySafeLeaderTest.testDistribSearch
> Error Message:
> shard2 is not consistent. Got 62 from
> http://127.0.0.1:57436/collection1lastClient and got 24 from
> http://127.0.0.1:53065/collection1
> Stack Trace:
> java.lang.AssertionError: shard2 is not consistent. Got 62 from
> http://127.0.0.1:57436/collection1lastClient and got 24 from
> http://127.0.0.1:53065/collection1
> at
> __randomizedtesting.SeedInfo.seed([F4B371D421E391CD:7555FFCC56BCF1F1]:0)
> at org.junit.Assert.fail(Assert.java:93)
> at
> org.apache.solr.cloud.AbstractFullDistribZkTestBase.checkShardConsistency(AbstractFullDistribZkTestBase.java:1255)
> at
> org.apache.solr.cloud.AbstractFullDistribZkTestBase.checkShardConsistency(AbstractFullDistribZkTestBase.java:1234)
> at
> org.apache.solr.cloud.ChaosMonkeySafeLeaderTest.doTest(ChaosMonkeySafeLeaderTest.java:162)
> at
> org.apache.solr.BaseDistributedSearchTestCase.testDistribSearch(BaseDistributedSearchTestCase.java:869)
> {code}
> Cause of inconsistency is:
> {code}
> Caused by: org.apache.lucene.index.CorruptIndexException: file mismatch,
> expected segment id=yhq3vokoe1den2av9jbd3yp8, got=yhq3vokoe1den2av9jbd3yp7
> (resource=BufferedChecksumIndexInput(MMapIndexInput(path="/mnt/ssd/jenkins/workspace/Lucene-Solr-5.x-Linux/solr/build/solr-core/test/J0/temp/solr.cloud.ChaosMonkeySafeLeaderTest-F4B371D421E391CD-001/tempDir-001/jetty3/index/_1_2.liv")))
> [junit4] 2> at
> org.apache.lucene.codecs.CodecUtil.checkSegmentHeader(CodecUtil.java:259)
> [junit4] 2> at
> org.apache.lucene.codecs.lucene50.Lucene50LiveDocsFormat.readLiveDocs(Lucene50LiveDocsFormat.java:88)
> [junit4] 2> at
> org.apache.lucene.codecs.asserting.AssertingLiveDocsFormat.readLiveDocs(AssertingLiveDocsFormat.java:64)
> [junit4] 2> at
> org.apache.lucene.index.SegmentReader.<init>(SegmentReader.java:102)
> {code}
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