Bug 493311
| Summary: | pvdisplay of 1000 LUNs occupies large amounts of RAM, around 4GB, and a large precentage of CPU (60%) | ||
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| Product: | Red Hat Enterprise Linux 5 | Reporter: | Milan Broz <mbroz> |
| Component: | lvm2 | Assignee: | Milan Broz <mbroz> |
| Status: | CLOSED ERRATA | QA Contact: | Cluster QE <mspqa-list> |
| Severity: | high | Docs Contact: | |
| Priority: | high | ||
| Version: | 5.3 | CC: | agk, cmarthal, cward, dwysocha, edamato, heinzm, jbrassow, mbroz, prockai, pvrabec, tao |
| Target Milestone: | rc | ||
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Bug Fix | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | 488739 | Environment: | |
| Last Closed: | 2009-09-02 11:56:33 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
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Comment 1
Milan Broz
2009-04-01 11:47:49 UTC
Two problems here causing the exhaustive memory consumption, first is looping in PV re-reads, patch for review is posted here https://www.redhat.com/archives/lvm-devel/2009-April/msg00043.html Second issue is using global memory pool (proposed patches sent to the same list). Fix in version lvm2-2.02.46-1.el5. Just a note that this fix passes the lvm regression test suite, however we don't have 1000s of LUNs to test this actual issue. ~~ Attention - RHEL 5.4 Beta Released! ~~ RHEL 5.4 Beta has been released! There should be a fix present in the Beta release that addresses this particular request. Please test and report back results here, at your earliest convenience. RHEL 5.4 General Availability release is just around the corner! If you encounter any issues while testing Beta, please describe the issues you have encountered and set the bug into NEED_INFO. If you encounter new issues, please clone this bug to open a new issue and request it be reviewed for inclusion in RHEL 5.4 or a later update, if it is not of urgent severity. Please do not flip the bug status to VERIFIED. Only post your verification results, and if available, update Verified field with the appropriate value. Questions can be posted to this bug or your customer or partner representative. An advisory has been issued which should help the problem described in this bug report. This report is therefore being closed with a resolution of ERRATA. For more information on therefore solution and/or where to find the updated files, please follow the link below. You may reopen this bug report if the solution does not work for you. http://rhn.redhat.com/errata/RHBA-2009-1393.html |