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Posted to issues@lucene.apache.org by "Erick Erickson (Jira)" <ji...@apache.org> on 2019/09/30 22:04:00 UTC
[jira] [Resolved] (SOLR-13771) Add -v and -m to ulimit section of
reference guide and bin/solr checks
[ https://issues.apache.org/jira/browse/SOLR-13771?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Erick Erickson resolved SOLR-13771.
-----------------------------------
Fix Version/s: 8.3
Resolution: Fixed
> Add -v and -m to ulimit section of reference guide and bin/solr checks
> -----------------------------------------------------------------------
>
> Key: SOLR-13771
> URL: https://issues.apache.org/jira/browse/SOLR-13771
> Project: Solr
> Issue Type: Improvement
> Security Level: Public(Default Security Level. Issues are Public)
> Reporter: Erick Erickson
> Assignee: Erick Erickson
> Priority: Major
> Fix For: 8.3
>
> Attachments: SOLR-13771.patch
>
>
> I just noticed these bits in MMapDirectory.java
> {code}
> if (!Constants.JRE_IS_64BIT) {
> moreInfo = "MMapDirectory should only be used on 64bit platforms, because the address space on 32bit operating systems is too small. ";
> } else if (Constants.WINDOWS) {
> moreInfo = "Windows is unfortunately very limited on virtual address space. If your index size is several hundred Gigabytes, consider changing to Linux. ";
> } else if (Constants.LINUX) {
> moreInfo = "Please review 'ulimit -v', 'ulimit -m' (both should return 'unlimited'), and 'sysctl vm.max_map_count'. ";
> } else {
> moreInfo = "Please review 'ulimit -v', 'ulimit -m' (both should return 'unlimited'). ";
> }
> {code}
> We should add this info to the ref guide, particularly the bits about -v and -m. We already mention ulimits, but only in relation to file handles and processes.
> What about restructuring that section a bit, to something like "operating system settings", so we can include some of the information above.
>
>
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