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#
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Linear Store issues:
Current/pending:
================
Q-JIRA RHBZ Description / Comments
------ ------- ----------------------
5359 - Linearstore: Implement new management schema and wire into store
5360 - Linearstore: Evaluate and rework logging to produce a consistent log outputConsistent logging
5361 - Linearstore: No tests for linearstore functionality currently exist
* No existing tests for linearstore:
** Basic broker-level tests for txn and non-txn recovery
** Store-level tests which check write boundary conditions
** EFP tests, including file recovery, error management
** Unit tests
** Basic performance tests
5362 - Linearstore: No store tools exist for examining the journals
svn r.1558888 2014-01-09: WIP checkin for linearstore version of qpid_qls_analyze. Needs testing and tidy-up.
* Store analysis and status
* Recovery/reading of message content
* Empty file pool status and management
5464 - [linearstore] Incompletely created journal files accumulate in EFP
5479 1053701 [linearstore] Using recovered store results in "JERR_JNLF_FILEOFFSOVFL: Attempted to increase submitted offset past file size. (JournalFile::submittedDblkCount)" error message
5480 1053749 [linearstore] Recovery of store failure with "JERR_MAP_NOTFOUND: Key not found in map." error message
5484 1035843 Slow performance for producers
- 1036026 [LinearStore] Qpid linear store unable to create durable queue - framing-error: Queue <q-name>: create() failed: jexception 0x0000
UNABLE TO REPRODUCE - but Frantizek has additional info
- 1039522 Qpid crashes while recovering from linear store around apid::linearstore::journal::JournalFile::getFqFileName() including enq_rec::decode() threw JERR_JREC_BAD_RECTAIL
* Possible dup of 1039525
* May be fixed by QPID-5483 - waiting for needinfo
- 1039525 Qpid crashes while recovering from linear store around apid::linearstore::journal::jexception::format including enq_rec::decode() threw JERR_JREC_BAD_REC_TAIL
* Possible dup of 1039522
* May be fixed by QPID-5483 - waiting for needinfo
Fixed/closed:
=============
Q-JIRA RHBZ Description / Comments
------ ------- ----------------------
5357 1052518 Linearstore: Empty file recycling not functional
svn r.1545563 2013-11-26: Propsed fix
5358 1052727 Linearstore: Checksums not implemented in record tail
svn r.1547601 2013-12-03: Propsed fix
5387 1036071 Linearstore: Segmentation fault when deleting queue
svn r.1547641 2013-12-03: Propsed fix
5388 1035802 Linearstore: Segmentation fault when recovering empty queue
svn r.1547921 2013-12-04: Propsed fix
NO-JIRA - Added missing Apache copyright/license text
svn r.1551304 2013-12-16: Propsed fix
5425 1052445 Linearstore: Transaction Prepared List (TPL) fails with jexception 0x0402 AtomicCounter::addLimit() threw JERR_JNLF_FILEOFFSOVFL
svn r.1551361 2013-12-16: Proposed fix
5442 1039949 Linearstore: Dtx recover test fails
svn r.1552772 2013-12-20: Proposed fix
5444 1052775 Linearstore: Recovering from qpid-txtest fails with "Inconsistent TPL 2PC count" error message
svn r.1553148 2013-12-23: Proposed fix
- 1038599 [LinearStore] Abort when deleting used queue after restart
CLOSED-NOTABUG 2014-01-06
5460 1051097 [linearstore] Recovery of store which contains prepared but incomplete transactions results in message loss
svn r.1556892 2014-01-09: Proposed fix
5473 1051924 [linearstore] Recovery of journal in which last logical file contains truncated record causes crash
svn r.1557620 2014-01-12: Proposed fix
5483 - [linearstore] Recovery of journal with partly written record fails with "JERR_JREC_BADRECTAIL: Invalid data record tail" error message
svn r.1558589 2014-01-15: Proposed fix
* May be linked to RHBZ 1039522 - waiting for needinfo
* May be linked to RHBZ 1039525 - waiting for needinfo
Future:
=======
* One journal file lost when queue deleted. All files except for one are recycled back to the EFP.
* Complete exceptions - several exceptions thrown using jexception have no exception numbers
* Investigate ability of store to detect missing journal files, especially from logical end of a journal
* Investigate ability of store to handle file muddle-ups (ie journal files from EFP which are not zeroed or other journals)
* Look at improving the efficiency of recovery - right now the entire store is read once, and then each recovered record xid and data is read again
Code tidy-up
------------
* Remove old comments
* Use c++ cast templates instead of (xxx)y
* Member names: xxx_
* Rename classes, functions and variables to camel-case
* Add Doxygen docs to classes
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