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https://issues.apache.org/jira/browse/SOLR-12065?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16390870#comment-16390870
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Varun Thacker commented on SOLR-12065:
--------------------------------------
I spent some time looking into this but my initial assessment is we need to
replay the tlogs which will then mark it as active
{code:java}
requestMap = new HashMap<>();
for (Slice slice : restoreCollection.getSlices()) {
Replica oneReplica = slice.getReplicas().iterator().next();
log.info("Applying buffered updates on : " + oneReplica.getName());
ModifiableSolrParams params = new ModifiableSolrParams();
params.set(CoreAdminParams.ACTION,
CoreAdminParams.CoreAdminAction.REQUESTAPPLYUPDATES.toString());
params.set(CoreAdminParams.NAME, oneReplica.getCoreName());
//ocmh.sliceCmd(clusterState, params, null, slice, shardHandler, asyncId,
requestMap);
ocmh.sendShardRequest(oneReplica.getNodeName(), params, shardHandler, asyncId,
requestMap);
}{code}
Something like this around Line 284 to RestoreCmd.java
I'll try spending some time tomorrow and working on this
> Restore replica always in buffering state
> -----------------------------------------
>
> Key: SOLR-12065
> URL: https://issues.apache.org/jira/browse/SOLR-12065
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Varun Thacker
> Assignee: Varun Thacker
> Priority: Major
> Attachments: restore_snippet.log
>
>
> Steps to reproduce:
>
> -
> [http://localhost:8983/solr/admin/collections?action=CREATE&name=test_backup&numShards=1&nrtReplicas=1]
> - curl [http://127.0.0.1:8983/solr/test_backup/update?commit=true] -H
> 'Content-type:application/json' -d '
> [ \{"id" : "1"}
> ]'
> -
> [http://localhost:8983/solr/admin/collections?action=BACKUP&name=test_backup&collection=test_backup&location=/Users/varunthacker/backups]
> -
> [http://localhost:8983/solr/admin/collections?action=RESTORE&name=test_backup&location=/Users/varunthacker/backups&collection=test_restore]
> * curl [http://127.0.0.1:8983/solr/test_restore/update?commit=true] -H
> 'Content-type:application/json' -d '
> [
> {"id" : "2"}
> ]'
> * Snippet when you try adding a document
> {code:java}
> INFO - 2018-03-07 22:48:11.555; [c:test_restore s:shard1 r:core_node22
> x:test_restore_shard1_replica_n21]
> org.apache.solr.update.processor.DistributedUpdateProcessor; Ignoring commit
> while not ACTIVE - state: BUFFERING replay: false
> INFO - 2018-03-07 22:48:11.556; [c:test_restore s:shard1 r:core_node22
> x:test_restore_shard1_replica_n21]
> org.apache.solr.update.processor.LogUpdateProcessorFactory$LogUpdateProcessor;
> [test_restore_shard1_replica_n21] webapp=/solr path=/update
> params={commit=true}{add=[2 (1594320896973078528)],commit=} 0 4{code}
> * If you see "TLOG.state" from [http://localhost:8983/solr/admin/metrics]
> it's always 1 (BUFFERING)
>
>
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