[SOLR-6969] When opening an HDFSTransactionLog for append we must first attempt to recover it's lease to prevent data loss.

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Fix Version/s: 5.0, 6.0
• Component/s: hdfs
• Assignee: Mark Miller
• Reporter: Mark Miller
• Created: 12/Jan/15 18:05
• Updated: 02/Feb/19 17:39
• Resolved: 02/Mar/15 04:46

Description

This can happen after a hard crash and restart. The current workaround is to stop and wait it out and start again. We should retry and wait a given amount of time as we do when we detect safe mode though.

Issue Links

• is duplicated by: SOLR-6367 empty tlog on HDFS when hard crash - no docs to replay on recovery
• is related to: SOLR-7321 Remove reflection in FSHDFSUtils.java
• relates to: SOLR-7092 Stop the HDFS lease recovery retries on HdfsTransactionLog on close and try to avoid lease recovery on closed files.