Rénald Koch created SOLR-10974:
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Summary: Replication - Unable to download tlog
Key: SOLR-10974
URL: https://issues.apache.org/jira/browse/SOLR-10974
Project: Solr
Issue Type: Bug
Security Level: Public (Default Security Level. Issues are Public)
Components: replication (java)
Affects Versions: 6.7
Environment: Redhat 7.2
Reporter: Rénald Koch
When I activate the replication of a shard via the web interface, the data will
replicate well on the new shard, but once all the data has been copied, the
data will be erased and the synchronization will start again indefinitely.
When I look in the logs, I have this error:
2017-06-29 10:51:39.768 ERROR
(recoveryExecutor-3-thread-1-processing-n:X.X.X.X:8983_solr
x:collection_shard2_replica2 s:shard2 c:collection r:core_node4) [c:collection
s:shard2 r:core_node4 x:collection_shard2_replica2] o.a.s.h.ReplicationHandler
Index fetch failed :org.apache.solr.common.SolrException: Unable to download
tlog.0000000000002131263.1571535118797897728 completely. Downloaded 0!=871
at
org.apache.solr.handler.IndexFetcher$FileFetcher.cleanup(IndexFetcher.java:1591)
at
org.apache.solr.handler.IndexFetcher$FileFetcher.fetch(IndexFetcher.java:1474)
at
org.apache.solr.handler.IndexFetcher$FileFetcher.fetchFile(IndexFetcher.java:1449)
at
org.apache.solr.handler.IndexFetcher.downloadTlogFiles(IndexFetcher.java:893)
at
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:494)
at
org.apache.solr.handler.IndexFetcher.fetchLatestIndex(IndexFetcher.java:301)
at
org.apache.solr.handler.ReplicationHandler.doFetch(ReplicationHandler.java:400)
at
org.apache.solr.cloud.RecoveryStrategy.replicate(RecoveryStrategy.java:219)
at
org.apache.solr.cloud.RecoveryStrategy.doRecovery(RecoveryStrategy.java:471)
at org.apache.solr.cloud.RecoveryStrategy.run(RecoveryStrategy.java:284)
at
com.codahale.metrics.InstrumentedExecutorService$InstrumentedRunnable.run(InstrumentedExecutorService.java:176)
at
java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511)
at java.util.concurrent.FutureTask.run(FutureTask.java:266)
at
org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:229)
at
java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)
at
java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)
at java.lang.Thread.run(Thread.java:748)
I tried to extend the tlog retention time (especially with the
commitReserveDuration option), but it does not work.
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