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https://issues.apache.org/jira/browse/SOLR-11278?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16145107#comment-16145107
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Amrit Sarkar commented on SOLR-11278:
-------------------------------------
bq. I don't get the logic for this. Doesn't {[waitForTargetToSync}} already
wait for 120 seconds ? Adding another 7 seconds shouldn't help much no?
This is a wrong observation. It doesn't wait 120 seconds. *It issues commit
every second for a period of 120 seconds and checks whether the docs are same
or not*.
Every explicit commit will make the Solr Core to reload. If SolrCore is closed
while bootstrapping / fetch index is taking place, we receive:
{{InterruptEDxception for Bootstrap}}. Solrcore is reloaded at middle of
copying, reloads fails too and SolrCore becomes NULL.
See:
{code}
private long waitForTargetToSync(int numDocs, CloudSolrClient
targetSolrClient) throws SolrServerException, IOException, InterruptedException
{
long start = System.nanoTime();
QueryResponse response = null;
while (System.nanoTime() - start <= TimeUnit.NANOSECONDS.convert(120,
TimeUnit.SECONDS)) {
try {
targetSolrClient.commit();
response = targetSolrClient.query(new SolrQuery("*:*"));
if (response.getResults().getNumFound() == numDocs) {
break;
}
} catch (Exception e) {
log.warn("Exception trying to commit on target. This is expected and
safe to ignore.", e);
}
Thread.sleep(1000);
}
return response != null ? response.getResults().getNumFound() : 0;
}
{code}
> CdcrBootstrapTest failing in branch_6_6
> ---------------------------------------
>
> Key: SOLR-11278
> URL: https://issues.apache.org/jira/browse/SOLR-11278
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: CDCR
> Reporter: Amrit Sarkar
> Assignee: Varun Thacker
> Attachments: SOLR-11278.patch, test_results
>
>
> I ran beast for 10 rounds:
> ant beast -Dtestcase=CdcrBootstrapTest -Dtests.multiplier=2 -Dtests.slow=true
> -Dtests.locale=vi -Dtests.timezone=Asia/Yekaterinburg -Dtests.asserts=true
> -Dtests.file.encoding=US-ASCII -Dbeast.iters=10
> and seeing following failure:
> {code}
> [beaster] [01:37:16.282] FAILURE 153s |
> CdcrBootstrapTest.testBootstrapWithSourceCluster <<<
> [beaster] > Throwable #1: java.lang.AssertionError: Document mismatch on
> target after sync expected:<2000> but was:<1000>
> {code}
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