https://jira.opendaylight.org This file is an XML representation of an issue en-us 8.20.10 820010 22-06-2022 https://jira.opendaylight.org/browse/YANGTOOLS-779 yangtools <p>Mount a vMX with Junos version 17.3 ends up with OOM expection.<br/> Attached a deadlock revealed by Java Yourkit Profiler.</p> <p>Link to the thread dump: <a href="https://drive.google.com/open?id=0B6yJWkVd2RfUdW4xZTJfR3hOUkk" class="external-link" target="_blank" rel="nofollow noopener">https://drive.google.com/open?id=0B6yJWkVd2RfUdW4xZTJfR3hOUkk</a><br/> Link to the schema being parsed: <a href="https://drive.google.com/open?id=0B6yJWkVd2RfUdW4xZTJfR3hOUkk" class="external-link" target="_blank" rel="nofollow noopener">https://drive.google.com/open?id=0B6yJWkVd2RfUdW4xZTJfR3hOUkk</a><br/> Link to the logs at TRACE level (but for NETCONF): <a href="https://drive.google.com/open?id=0B6yJWkVd2RfUdW4xZTJfR3hOUkk" class="external-link" target="_blank" rel="nofollow noopener">https://drive.google.com/open?id=0B6yJWkVd2RfUdW4xZTJfR3hOUkk</a></p> <p>Increasing the memory of ODL to 8GO fixes this issues.</p> <p>Opening this ticket in case it worth being looked at this improve Yangtools parsing mechanism so it handles better heavy load.</p> <p>Operating System: All<br/> Platform: All</p> YANGTOOLS-779

OOM expection while parsing 27.1 MB of YANG with 2GO RAM

Bug Resolved Duplicate Unassigned Alexis de Talhouët Tue, 30 May 2017 19:17:08 +0000 Sun, 10 Apr 2022 18:35:59 +0000 Mon, 5 Jun 2017 14:05:56 +0000 0 2 <p>Attachment deadlock.txt has been added with description: deadlock</p> <p>Some issues have been resolved in scope of <a href="https://jira.opendaylight.org/browse/YANGTOOLS-660" title="SchemaContext - excessive memory consumption" class="issue-link" data-issue-key="YANGTOOLS-660"><del>YANGTOOLS-660</del></a>. We need to perform further analysis and optimization.</p> <p>This is occurring in stable/carbon code (of NETCONF: commit 3521a2de8699c36ea4d92402a622b28d25e4a8a5</p> <p>Peter, I believe the code I run is incorporating the fixes of <a href="https://jira.opendaylight.org/browse/YANGTOOLS-660" title="SchemaContext - excessive memory consumption" class="issue-link" data-issue-key="YANGTOOLS-660"><del>YANGTOOLS-660</del></a> as this was a fresh build from yesterday.</p> <p>Looking at the allocation failure path (in attachment) and the memory dumps provided we are failing to allocate more SubstatementContexts.</p> <p><a href="https://jira.opendaylight.org/browse/YANGTOOLS-694" title="Eliminate duplicate DescriptionEffectiveStatementImpl objects" class="issue-link" data-issue-key="YANGTOOLS-694"><del>YANGTOOLS-694</del></a> already describes the problem and has a very rough outline of the fix.</p> <p>In the mean time <a href="https://git.opendaylight.org/gerrit/58067" class="external-link" target="_blank" rel="nofollow noopener">https://git.opendaylight.org/gerrit/58067</a> should help a tiny bit, but not nearly enough.</p> Duplicate YANGTOOLS-694 Development External issue ID 8569 External issue URL ODL SR Target Milestone Rank 0|i029bz: