db-derby-dev mailing list archives: June 2009

Site index · List index
Message list« Previous · 1 · 2 · 3 · 4 · 5 · 6 · 7 · 8 · 9 · 10 · 11 · Next »Thread · Author · Date
Dag H. Wanvik (JIRA) [jira] Commented: (DERBY-1017) locking issue with a select statement using an order by clause Fri, 26 Jun, 17:07
Dag H. Wanvik (JIRA) [jira] Commented: (DERBY-4045) Subquery causes error: 'updateString' not allowed because the ResultSet is not an updatable ResultSet Fri, 26 Jun, 19:51
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-4045) Subquery causes error: 'updateString' not allowed because the ResultSet is not an updatable ResultSet Fri, 26 Jun, 19:53
Dag H. Wanvik (JIRA) [jira] Commented: (DERBY-4184) Calling deleteRow() on a ResultSet that has been commited throws no error Fri, 26 Jun, 20:09
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-4184) Calling deleteRow() on a ResultSet that has been commited throws no error Fri, 26 Jun, 20:11
Dag H. Wanvik (JIRA) [jira] Commented: (DERBY-4184) Calling deleteRow() on a ResultSet that has been commited throws no error Fri, 26 Jun, 20:33
Dag H. Wanvik (JIRA) [jira] Assigned: (DERBY-4184) Calling deleteRow() on a ResultSet that has been commited throws no error Fri, 26 Jun, 21:07
Dag H. Wanvik (JIRA) [jira] Resolved: (DERBY-4184) Calling deleteRow() on a ResultSet that has been commited throws no error Fri, 26 Jun, 21:09
Dag H. Wanvik (JIRA) [jira] Commented: (DERBY-3999) Can't execute select statement with blob in network server mode Fri, 26 Jun, 21:59
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-3999) Can't execute select statement with blob in network server mode Fri, 26 Jun, 22:03
Dag H. Wanvik (JIRA) [jira] Resolved: (DERBY-1017) locking issue with a select statement using an order by clause Sat, 27 Jun, 01:03
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-4284) All Columns become Nullable when Using left join Mon, 29 Jun, 13:17
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-4284) All Columns become Nullable when Using left join Mon, 29 Jun, 13:17
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-4265) timed out waiting for server to start in StatementPoolingTest Mon, 29 Jun, 13:21
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-4266) hang with sane jars with ibm 1.5 on iseries in lang/wisconsin.java Mon, 29 Jun, 13:25
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-4293) Mutable public static variables Mon, 29 Jun, 13:27
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-4293) Mutable public static variables Mon, 29 Jun, 13:29
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-4293) Mutable public static variables Mon, 29 Jun, 13:31
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-3974) allow more concurrent activity while compressing a table Mon, 29 Jun, 13:57
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-4007) Optimization of IN with nested SELECT Mon, 29 Jun, 13:57
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-3882) Expensive cursor name lookup in network server Mon, 29 Jun, 13:59
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-3734) Maximum value allowed for derby.storage.fileCacheSize (100) is too low for large system. Increase the maximum value and redocument the property. Mon, 29 Jun, 13:59
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-3716) Impractically slow query Mon, 29 Jun, 13:59
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-3312) Local Network Server Performance degradation with 10.2 or later Mon, 29 Jun, 14:01
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-3498) Performance sensitive to FROM order list in three way join with GROUP BY Mon, 29 Jun, 14:01
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-3619) Implement more load types for org.apache.derbyTesting.perf.clients.Runner Mon, 29 Jun, 14:01
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-3714) Significant performance degradation if Hibernate creates different order of attributes Mon, 29 Jun, 14:01
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-3192) Cache session data in the client driver Mon, 29 Jun, 14:03
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-3024) Validation of shared plans hurts scalability Mon, 29 Jun, 14:03
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-3280) Poor distribution of hash values from RecordId.hashCode() Mon, 29 Jun, 14:03
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-3092) Use java.util.concurrent in TransactionTable and XactFactory to improve scalability Mon, 29 Jun, 14:03
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-3011) Implementing Speculative locking protocol to Derby Mon, 29 Jun, 14:05
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2986) Query involving CASE statement significantly slower in 10.3.1.4 than in 10.2.2.0 Mon, 29 Jun, 14:05
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-3004) Get rid of the finalizer in EmbedResultSet Mon, 29 Jun, 14:05
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-3012) Always pass in TransactionController to DataDictionary methods where it is needed. Mon, 29 Jun, 14:05
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2912) Reduce checkpoint cost in truncateEnd phase of SYSCS_INPLACE_COMPRESS_TABLE Mon, 29 Jun, 14:07
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2911) Implement a buffer manager using java.util.concurrent classes Mon, 29 Jun, 14:07
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2904) Investigate the performance effect of adding an index to the Derby jar files (derby.jar, etc.) Mon, 29 Jun, 14:07
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2975) DRDAResultSet.setResultSet creates a new int array to hold type information on every execution. Mon, 29 Jun, 14:07
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2884) CtxStack should only create unmodifiable view once per instance Mon, 29 Jun, 14:09
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2878) Scan protection handle could be cached in BasePage Mon, 29 Jun, 14:09
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2857) Store API should allow PageKey to identify the requested page Mon, 29 Jun, 14:09
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2885) Wrong connection object used in EmbedConnection.clearLOBMapping() Mon, 29 Jun, 14:09
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2634) CLOB performance partially very poor on linux system Mon, 29 Jun, 14:11
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2752) PreparedStatement with parameters uses different (more worse) access path than Statement with constants Mon, 29 Jun, 14:11
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2493) Use unsynchronized collections in BackingStoreHashtable Mon, 29 Jun, 14:11
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2503) Implement IN-list multi-probing logic for hash joins. Mon, 29 Jun, 14:11
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2597) Language result sets should not reuse current isolation level across executions Mon, 29 Jun, 14:11
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2369) NetworkServerControl.shutdown() takes at least 1.5 seconds, could be faster. Mon, 29 Jun, 14:13
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2483) Reduce compilation time for queries with large IN lists made up of literals. Mon, 29 Jun, 14:13
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2482) Improve optimizer costing for "probe predicates" so that index multi-probing is more likely to occur. Mon, 29 Jun, 14:13
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2327) Reduce monitor contention in LockSet Mon, 29 Jun, 14:17
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2328) Reduce monitor contention in SinglePool Mon, 29 Jun, 14:17
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2266) Add Order Entry load using the bulkinsert vti. Mon, 29 Jun, 14:17
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2278) Add a generic utility tool to drive the Order Entry load phase. Mon, 29 Jun, 14:17
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2226) Move column bitset computation to IndexToBaseRowNode Mon, 29 Jun, 14:19
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2204) Foreign key constraint backing index creation can be smarter when foreign key is a subset of the table's primary key Mon, 29 Jun, 14:19
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2191) Cleanup of FormatableBitSet Mon, 29 Jun, 14:19
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2200) Add performance tests to Derby using the junit perf framework Mon, 29 Jun, 14:19
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2139) executing getXXX() for a column checks the column position is in range three times, reduce to one. Mon, 29 Jun, 14:21
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2149) Replace Vectors and Hashtables with ArrayLists and HashMaps in RAMTransaction Mon, 29 Jun, 14:21
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2130) Optimizer performance slowdown from 10.1 to 10.2 Mon, 29 Jun, 14:21
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2148) Debugging Derby 10.2.1.6 applications with Eclipse 3.1.2 is 10 times slower than debugging 10.1.2.2 applications Mon, 29 Jun, 14:21
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2150) Reduce use of synchronized collections in GenericLanguageConnectionContext Mon, 29 Jun, 14:21
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2122) Optimize ContainerLock.isCompatible() Mon, 29 Jun, 14:23
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2118) Change some boundary checks in ArrayInputStream to ASSERTs to improve performance Mon, 29 Jun, 14:23
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2114) Let Clock embed a HashMap rather than inherit from Hashtable Mon, 29 Jun, 14:23
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2107) Move page latching out of the lock manager Mon, 29 Jun, 14:23
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2099) Make BasePage.getPageId() final Mon, 29 Jun, 14:25
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2050) Manipulating CachedItems could be more efficient Mon, 29 Jun, 14:25
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2051) CachedItem's comments and code are inconsistent wrt. syncronization Mon, 29 Jun, 14:25
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2046) Make class org.apache.derby.iapi.store.raw.PageKey final Mon, 29 Jun, 14:25
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2086) Build a resource pooling subsystem to facilitate object reuse and concurrency Mon, 29 Jun, 14:25
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-2020) Change file option for syncing log file to disk from rws to rwd Mon, 29 Jun, 14:27
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-1994) Implement data model for order entry Mon, 29 Jun, 14:27
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-1961) Investigate resource usage for different types of load on an in-memory database Mon, 29 Jun, 14:27
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-1987) Add Order Entry application/system/performance test/toolkit Mon, 29 Jun, 14:27
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-1907) Improve optimizer to prune query plans more aggressively. Mon, 29 Jun, 14:29
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-1957) Factor out run-time statistics information from language ResultSet classes Mon, 29 Jun, 14:29
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-1908) Investigate: What's the "unit" for optimizer cost estimates? Mon, 29 Jun, 14:29
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-1876) Investigate overhead of JDBC layer and compiled activation code for simple embedded read-only, forward ResultSets Mon, 29 Jun, 14:31
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-1713) Memory do not return to the system after Shuting down derby 10.2.1.0, following an out of memory event Mon, 29 Jun, 14:31
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-1906) Investigate appropriateness of current optimizer timeout mechanism. Mon, 29 Jun, 14:31
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-1879) Save meta data related information for an EmbedResultSet at the plan level instead of the ResultSet level improves performance. Mon, 29 Jun, 14:31
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-1862) Simple hash improves performance Mon, 29 Jun, 14:31
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-1905) Optimizer cost estimates for subqueries are way (way) too high. Mon, 29 Jun, 14:31
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-1442) Do performance analysis and come up with a good query block size value for the client to send to the server Mon, 29 Jun, 14:33
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-1365) Address potential problems with optimizer logic in some rarely-exercised code. Mon, 29 Jun, 14:33
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-1372) Handle data overrun of DDMWriter buffer more efficiently Mon, 29 Jun, 14:33
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-1704) Allow more concurrency in the lock manager Mon, 29 Jun, 14:33
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-1677) Investigate increasing the memory limit that is used to calculate the sortbuffer size for sorting. Mon, 29 Jun, 14:33
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-1257) Enhance Derby optimizer and execution model to support effective use of multiple indexes on one table. Derby currently can use one index on a table and there are many situations where using multiple indexes on a table could improve performance significant Mon, 29 Jun, 14:35
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-1259) Optimizer plan consideration doesn't account for infinite cost estimates and can therefore choose plans requiring excessive memory. Mon, 29 Jun, 14:35
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-1357) Short-circuit logic in optimizer appears to be incorrect... Mon, 29 Jun, 14:35
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-1224) Remove unused variables in DatabaseMetaData Mon, 29 Jun, 14:35
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-1260) Investigate impact of infinite cost estimates on arithmetic operations/comparisons in the optimizer. Mon, 29 Jun, 14:35
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-959) Allow use of DRDA QRYDTA block sizes greater than 32K Mon, 29 Jun, 14:37
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-1205) Unexpectedly very slow performance compared to DB2 Mon, 29 Jun, 14:37
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-1073) Reset optimizer timeout for subqueries on a per-round basis to allow consideration of plans that use pushed predicates. Mon, 29 Jun, 14:37
Dag H. Wanvik (JIRA) [jira] Updated: (DERBY-872) Fix how to measure performance of lob streaming Mon, 29 Jun, 14:37
Message list« Previous · 1 · 2 · 3 · 4 · 5 · 6 · 7 · 8 · 9 · 10 · 11 · Next »Thread · Author · Date
Box list
Dec 2014186
Nov 2014175
Oct 2014424
Sep 2014531
Aug 2014659
Jul 2014570
Jun 2014712
May 2014698
Apr 2014464
Mar 2014895
Feb 2014630
Jan 2014475
Dec 2013329
Nov 2013524
Oct 2013875
Sep 2013562
Aug 2013618
Jul 2013657
Jun 20131166
May 2013788
Apr 20131185
Mar 2013588
Feb 2013664
Jan 2013538
Dec 2012331
Nov 2012446
Oct 2012636
Sep 2012663
Aug 2012384
Jul 2012481
Jun 2012586
May 2012900
Apr 2012709
Mar 2012767
Feb 2012897
Jan 2012391
Dec 2011478
Nov 2011444
Oct 2011576
Sep 2011744
Aug 2011684
Jul 2011722
Jun 2011804
May 2011605
Apr 2011574
Mar 20111193
Feb 20111393
Jan 2011834
Dec 2010535
Nov 2010595
Oct 2010703
Sep 2010673
Aug 2010657
Jul 2010848
Jun 2010929
May 2010709
Apr 2010885
Mar 2010673
Feb 2010646
Jan 2010638
Dec 2009566
Nov 2009660
Oct 2009604
Sep 2009505
Aug 2009921
Jul 20091312
Jun 20091035
May 2009835
Apr 20091088
Mar 2009884
Feb 2009541
Jan 2009692
Dec 2008522
Nov 2008616
Oct 2008723
Sep 2008455
Aug 2008754
Jul 2008988
Jun 2008871
May 2008842
Apr 20081384
Mar 20081904
Feb 20082074
Jan 20081539
Dec 2007852
Nov 20071273
Oct 20071391
Sep 2007911
Aug 2007908
Jul 20071492
Jun 20072222
May 20072295
Apr 20071394
Mar 20072200
Feb 20071383
Jan 20071360
Dec 20061026
Nov 20061413
Oct 20061324
Sep 20062319
Aug 20063287
Jul 20062434
Jun 20061712
May 20061602
Apr 20061694
Mar 20061985
Feb 20062535
Jan 20061640
Dec 2005741
Nov 20051157
Oct 20051185
Sep 2005783
Aug 2005896
Jul 2005652
Jun 20051494
May 20051323
Apr 2005684
Mar 2005612
Feb 2005351
Jan 2005438
Dec 2004435
Nov 2004274
Oct 2004281
Sep 2004388
Aug 2004160