[MB-4340] Resident ratio shows negative number Created: 11/Oct/11  Updated: 10/Jan/13  Resolved: 25/Jan/12

Status: Closed
Project: Couchbase Server
Component/s: UI
Affects Version/s: 1.7.2
Fix Version/s: 2.0
Security Level: Public

Type: Bug Priority: Major
Reporter: Thuan Nguyen Assignee: Jin Lim
Resolution: Fixed Votes: 0
Labels: None
Remaining Estimate: Not Specified
Time Spent: Not Specified
Original Estimate: Not Specified
Environment: ec2 centos 5.4 64bit with 7GB RAM 35 GB disk space

Attachments: GZip Archive log-128.gz     GZip Archive log-229.gz     GZip Archive log-62.gz     PNG File Screen Shot 2011-10-11 at 10.04.40 AM.png     PNG File Screen Shot 2011-10-11 at 10.22.05 AM.png    

 Description   
Create 10 instant in ec2 and install membase server 1.7.2r-15
Create a cluster of 10 nodes
Load 250K items with 200K per item to cluster.
Check resident ratio, it shows negative number.

Crashing process
   initial_call {mochiweb_socket_server,acceptor_loop,['Argument__1']}
   pid <5898.888.0>
   registered_name []
   error_info
         {exit,{error,closed},
              [{mochiweb_socket_server,acceptor_loop,1},
               {proc_lib,init_p_do_apply,3}]}
   ancestors
         [menelaus_web,menelaus_sup,ns_server_sup,ns_server_cluster_sup,
         <5898.52.0>]
   messages []
   links []
   dictionary []
   trap_exit false
   status running
   heap_size 233
   stack_size 24
   reductions 105



 Comments   
Comment by Thuan Nguyen [ 11/Oct/11 ]
happened after running the longevity tests for a day
Comment by Farshid Ghods [ 06/Jan/12 ]
issue is still seen in the latest 2.0 build.
Comment by Chiyoung Seo [ 25/Jan/12 ]
Recently, we added the fix to this issue. Please reopen this bug when the regression tests reproduces this issue.

http://review.couchbase.org/#change,12499
Comment by Jin Lim [ 25/Jan/12 ]
Basically could not reproduce the same symptom. Chiyoung looked at the code path and we believed the latest Mike's change must have fixed the issue.
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