Re: [I] Compaction getting stuck [jena]

["kwisatz (via GitHub)" <gi...@apache.org>]

kwisatz commented on issue #3488:
URL: https://github.com/apache/jena/issues/3488#issuecomment-5060811594

   We are seeing the same problem on our fuseki instance (6.1.0). We have only about 300k nodes at the moment and we re-ingest hourly, but we can see that after a restart of fuseki, the first ~4 compactions are succeeding (in a matter of seconds in our case), but from the fourth or fifth on, they just never finish and the disk keeps filling up until we run out of space.
   Same as for @afs it only happens on one machine, but not the other, both being on the same ingest/compact schedule.
   
   ```bash
   curl -u admin:*** -i -XGET 'http://localhost:3030/$/tasks'
   HTTP/1.1 200 OK
   Date: Thu, 23 Jul 2026 16:01:30 GMT
   Vary: Accept,Accept-Encoding,Accept-Charset,Origin,Access-Control-Request-Method,Access-Control-Request-Headers
   Set-Cookie: JSESSIONID=node01ojgq0l7qg09hft7ir6fmt9f9161.node0; Path=/
   Expires: Thu, 01 Jan 1970 00:00:00 GMT
   Set-Cookie: rememberMe=deleteMe; Path=/; Max-Age=0; Expires=Wed, 22-Jul-2026 16:01:30 GMT; SameSite=lax
   Fuseki-Request-Id: 34974
   Cache-Control: must-revalidate,no-cache,no-store
   Pragma: no-cache
   Content-Type: application/json;charset=utf-8
   Content-Length: 957
   [ {
       "task" : "Compact" ,
       "taskId" : "4" ,
       "started" : "2026-07-21T15:05:01.761+02:00"
     } ,
     {
       "task" : "Compact" ,
       "taskId" : "5" ,
       "started" : "2026-07-21T16:05:01.814+02:00"
     } ,
     {
       "task" : "Compact" ,
       "taskId" : "6" ,
       "started" : "2026-07-21T17:05:01.870+02:00"
     } ,
     {
       "task" : "Compact" ,
       "taskId" : "7" ,
       "started" : "2026-07-21T18:05:01.925+02:00"
     } ,
     {
       "task" : "Compact" ,
       "taskId" : "1" ,
       "started" : "2026-07-21T13:00:01.636+02:00" ,
       "finished" : "2026-07-21T13:00:06.112+02:00" ,
       "success" : true
     } ,
     {
       "task" : "Compact" ,
       "taskId" : "2" ,
       "started" : "2026-07-21T13:05:01.654+02:00" ,
       "finished" : "2026-07-21T13:05:05.362+02:00" ,
       "success" : true
     } ,
     {
       "task" : "Compact" ,
       "taskId" : "3" ,
       "started" : "2026-07-21T14:05:01.708+02:00" ,
       "finished" : "2026-07-21T14:05:04.951+02:00" ,
       "success" : true
     }
   ]
   ```
   
   I'm happy to provide more data if someone can point me to where to look.


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