[jira] [Commented] (HBASE-12565) Race condition in HRegion.batchMutate() causes partial data to be written when region closes

[ https://issues.apache.org/jira/browse/HBASE-12565?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14224059#comment-14224059 ] John Leach commented on HBASE-12565: That is correct, it does not have to commit all

[jira] [Commented] (HBASE-12720) Make InternalScan LimitedPrivate

[ https://issues.apache.org/jira/browse/HBASE-12720?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14253928#comment-14253928 ] John Leach commented on HBASE-12720: No, just 0.98 will work for us... Make

[jira] [Commented] (HBASE-12912) StoreScanner calls Configuration for Boolean Check on each initialization

[ https://issues.apache.org/jira/browse/HBASE-12912?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14290064#comment-14290064 ] John Leach commented on HBASE-12912: Assign to me in the near term, and I will have

[jira] [Created] (HBASE-12912) StoreScanner calls Configuration for Boolean Check on each initialization

John Leach created HBASE-12912: -- Summary: StoreScanner calls Configuration for Boolean Check on each initialization Key: HBASE-12912 URL: https://issues.apache.org/jira/browse/HBASE-12912 Project: HBase

[jira] [Updated] (HBASE-12912) StoreScanner calls Configuration for Boolean Check on each initialization

[ https://issues.apache.org/jira/browse/HBASE-12912?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-12912: --- Attachment: StoreScannerStall.tiff A picture of the CPU effect of the boolean check...

[jira] [Commented] (HBASE-13379) TimeRangeTracker Can Be Non-Blocking

[ https://issues.apache.org/jira/browse/HBASE-13379?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14390806#comment-14390806 ] John Leach commented on HBASE-13379: I will take a look, thanks for the heads up...

[jira] [Commented] (HBASE-13379) TimeRangeTracker Can Be Non-Blocking

[ https://issues.apache.org/jira/browse/HBASE-13379?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14390905#comment-14390905 ] John Leach commented on HBASE-13379: yeah please close, will rename my commit to that

[jira] [Created] (HBASE-13378) RegionScannerImpl synchronized for READ_UNCOMMITTED Isolation Levels

John Leach created HBASE-13378: -- Summary: RegionScannerImpl synchronized for READ_UNCOMMITTED Isolation Levels Key: HBASE-13378 URL: https://issues.apache.org/jira/browse/HBASE-13378 Project: HBase

[jira] [Assigned] (HBASE-13379) TimeRangeTracker Can Be Non-Blocking

[ https://issues.apache.org/jira/browse/HBASE-13379?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach reassigned HBASE-13379: -- Assignee: John Leach TimeRangeTracker Can Be Non-Blocking

[jira] [Created] (HBASE-13379) TimeRangeTracker Can Be Non-Blocking

John Leach created HBASE-13379: -- Summary: TimeRangeTracker Can Be Non-Blocking Key: HBASE-13379 URL: https://issues.apache.org/jira/browse/HBASE-13379 Project: HBase Issue Type: New Feature

[jira] [Assigned] (HBASE-12148) Remove TimeRangeTracker as point of contention when many threads writing a Store

[ https://issues.apache.org/jira/browse/HBASE-12148?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach reassigned HBASE-12148: -- Assignee: John Leach (was: stack) Remove TimeRangeTracker as point of contention when many

[jira] [Commented] (HBASE-13420) RegionEnvironment.offerExecutionLatency Blocks Threads under Heavy Load

[ https://issues.apache.org/jira/browse/HBASE-13420?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14529743#comment-14529743 ] John Leach commented on HBASE-13420: Andrew, Sorry for the delay, day job is killing

[jira] [Updated] (HBASE-13691) HTable and RPC Code Accessing Configuration each time (Blocking)

[ https://issues.apache.org/jira/browse/HBASE-13691?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-13691: --- Attachment: Properties_getProperty.tiff HTable and RPC Code Accessing Configuration each time

[jira] [Created] (HBASE-13691) HTable and RPC Code Accessing Configuration each time (Blocking)

John Leach created HBASE-13691: -- Summary: HTable and RPC Code Accessing Configuration each time (Blocking) Key: HBASE-13691 URL: https://issues.apache.org/jira/browse/HBASE-13691 Project: HBase

[jira] [Created] (HBASE-13690) Client Scanner Initialization Reformats strings every time

John Leach created HBASE-13690: -- Summary: Client Scanner Initialization Reformats strings every time Key: HBASE-13690 URL: https://issues.apache.org/jira/browse/HBASE-13690 Project: HBase Issue

[jira] [Updated] (HBASE-13690) Client Scanner Initialization Reformats strings every time

[ https://issues.apache.org/jira/browse/HBASE-13690?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-13690: --- Attachment: ClientScanner_String_Format.tiff Client Scanner Initialization Reformats strings every

[jira] [Updated] (HBASE-13420) RegionEnvironment.offerExecutionLatency Blocks Threads under Heavy Load

[ https://issues.apache.org/jira/browse/HBASE-13420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-13420: --- Attachment: offerExecutionLatency.tiff Document showing blocked threads during

[jira] [Created] (HBASE-13420) RegionEnvironment.offerExecutionLatency Blocks Threads under Heavy Load

John Leach created HBASE-13420: -- Summary: RegionEnvironment.offerExecutionLatency Blocks Threads under Heavy Load Key: HBASE-13420 URL: https://issues.apache.org/jira/browse/HBASE-13420 Project: HBase

[jira] [Updated] (HBASE-13420) RegionEnvironment.offerExecutionLatency Blocks Threads under Heavy Load

[ https://issues.apache.org/jira/browse/HBASE-13420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-13420: --- Status: Patch Available (was: In Progress) Patch Submitted to simply remove the calculation.

[jira] [Updated] (HBASE-13420) RegionEnvironment.offerExecutionLatency Blocks Threads under Heavy Load

[ https://issues.apache.org/jira/browse/HBASE-13420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-13420: --- Attachment: HBASE-13420.txt Simple remove of metric capture for coprocessors.

[jira] [Work started] (HBASE-13420) RegionEnvironment.offerExecutionLatency Blocks Threads under Heavy Load

[ https://issues.apache.org/jira/browse/HBASE-13420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Work on HBASE-13420 started by John Leach. -- RegionEnvironment.offerExecutionLatency Blocks Threads under Heavy Load

[jira] [Assigned] (HBASE-13420) RegionEnvironment.offerExecutionLatency Blocks Threads under Heavy Load

[ https://issues.apache.org/jira/browse/HBASE-13420?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach reassigned HBASE-13420: -- Assignee: John Leach RegionEnvironment.offerExecutionLatency Blocks Threads under Heavy Load

[jira] [Commented] (HBASE-13420) RegionEnvironment.offerExecutionLatency Blocks Threads under Heavy Load

[ https://issues.apache.org/jira/browse/HBASE-13420?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14484519#comment-14484519 ] John Leach commented on HBASE-13420: I think this metric is way to broad to be

[jira] [Created] (HBASE-13427) HStore#addChangedReaderObserver hotspots due to missing hashCode and equals on StoreScanner

John Leach created HBASE-13427: -- Summary: HStore#addChangedReaderObserver hotspots due to missing hashCode and equals on StoreScanner Key: HBASE-13427 URL: https://issues.apache.org/jira/browse/HBASE-13427

[jira] [Assigned] (HBASE-13427) HStore#addChangedReaderObserver hotspots due to missing hashCode and equals on StoreScanner

[ https://issues.apache.org/jira/browse/HBASE-13427?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach reassigned HBASE-13427: -- Assignee: John Leach HStore#addChangedReaderObserver hotspots due to missing hashCode and

[jira] [Updated] (HBASE-13427) HStore#addChangedReaderObserver hotspots due to missing hashCode and equals on StoreScanner

[ https://issues.apache.org/jira/browse/HBASE-13427?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-13427: --- Attachment: SetFromMap.add_Runnable.tiff Graph of addChangedReaderObserver

[jira] [Updated] (HBASE-13427) HStore#addChangedReaderObserver hotspots due to missing hashCode and equals on StoreScanner

[ https://issues.apache.org/jira/browse/HBASE-13427?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-13427: --- Remaining Estimate: 2h Original Estimate: 2h HStore#addChangedReaderObserver hotspots due to

[jira] [Commented] (HBASE-13420) RegionEnvironment.offerExecutionLatency Blocks Threads under Heavy Load

[ https://issues.apache.org/jira/browse/HBASE-13420?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14485539#comment-14485539 ] John Leach commented on HBASE-13420: Andrew, Will do for the short term. Clearly,

[jira] [Work started] (HBASE-13427) HStore#addChangedReaderObserver hotspots due to missing hashCode and equals on StoreScanner

[ https://issues.apache.org/jira/browse/HBASE-13427?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Work on HBASE-13427 started by John Leach. -- HStore#addChangedReaderObserver hotspots due to missing hashCode and equals on

[jira] [Updated] (HBASE-13427) HStore#addChangedReaderObserver hotspots due to missing hashCode and equals on StoreScanner

[ https://issues.apache.org/jira/browse/HBASE-13427?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-13427: --- Attachment: HBASE-13427.patch Attached patch HStore#addChangedReaderObserver hotspots due to

[jira] [Updated] (HBASE-13427) HStore#addChangedReaderObserver hotspots due to missing hashCode and equals on StoreScanner

[ https://issues.apache.org/jira/browse/HBASE-13427?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-13427: --- Status: Patch Available (was: In Progress) HStore#addChangedReaderObserver hotspots due to missing

[jira] [Updated] (HBASE-13427) HStore#addChangedReaderObserver hotspots due to missing hashCode and equals on StoreScanner

[ https://issues.apache.org/jira/browse/HBASE-13427?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-13427: --- Status: Open (was: Patch Available) Cancel patch, adding curly... HStore#addChangedReaderObserver

[jira] [Updated] (HBASE-13427) HStore#addChangedReaderObserver hotspots due to missing hashCode and equals on StoreScanner

[ https://issues.apache.org/jira/browse/HBASE-13427?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-13427: --- Status: Patch Available (was: In Progress) New Patch with curly braces

[jira] [Updated] (HBASE-13427) HStore#addChangedReaderObserver hotspots due to missing hashCode and equals on StoreScanner

[ https://issues.apache.org/jira/browse/HBASE-13427?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-13427: --- Attachment: HBASE-13427_CURLY_BRACES.patch Adding Curly Braces HStore#addChangedReaderObserver

[jira] [Work started] (HBASE-13427) HStore#addChangedReaderObserver hotspots due to missing hashCode and equals on StoreScanner

[ https://issues.apache.org/jira/browse/HBASE-13427?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Work on HBASE-13427 started by John Leach. -- HStore#addChangedReaderObserver hotspots due to missing hashCode and equals on

[jira] [Commented] (HBASE-13427) HStore#addChangedReaderObserver hotspots due to missing hashCode and equals on StoreScanner

[ https://issues.apache.org/jira/browse/HBASE-13427?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14485902#comment-14485902 ] John Leach commented on HBASE-13427: nits make the world go around... Love em...

[jira] [Updated] (HBASE-13378) RegionScannerImpl synchronized for READ_UNCOMMITTED Isolation Levels

[ https://issues.apache.org/jira/browse/HBASE-13378?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-13378: --- Status: Patch Available (was: In Progress) Patch Submitted RegionScannerImpl synchronized for

[jira] [Assigned] (HBASE-13378) RegionScannerImpl synchronized for READ_UNCOMMITTED Isolation Levels

[ https://issues.apache.org/jira/browse/HBASE-13378?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach reassigned HBASE-13378: -- Assignee: John Leach RegionScannerImpl synchronized for READ_UNCOMMITTED Isolation Levels

[jira] [Updated] (HBASE-13378) RegionScannerImpl synchronized for READ_UNCOMMITTED Isolation Levels

[ https://issues.apache.org/jira/browse/HBASE-13378?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-13378: --- Attachment: HBASE-13378.txt Added patch HBASE-13378.txt that removes scans with

[jira] [Work started] (HBASE-13378) RegionScannerImpl synchronized for READ_UNCOMMITTED Isolation Levels

[ https://issues.apache.org/jira/browse/HBASE-13378?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Work on HBASE-13378 started by John Leach. -- RegionScannerImpl synchronized for READ_UNCOMMITTED Isolation Levels

[jira] [Commented] (HBASE-12148) Remove TimeRangeTracker as point of contention when many threads writing a Store

[ https://issues.apache.org/jira/browse/HBASE-12148?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14392738#comment-14392738 ] John Leach commented on HBASE-12148: Oops. I kept the synchronization in the call

[jira] [Updated] (HBASE-12148) Remove TimeRangeTracker as point of contention when many threads writing a Store

[ https://issues.apache.org/jira/browse/HBASE-12148?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-12148: --- Attachment: HBASE-12148V2.txt Adding another patch that removes the synchronization on the get

[jira] [Updated] (HBASE-12148) Remove TimeRangeTracker as point of contention when many threads writing a Store

[ https://issues.apache.org/jira/browse/HBASE-12148?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-12148: --- Status: Patch Available (was: Reopened) Patch Submittted for consideration... Remove

[jira] [Updated] (HBASE-12148) Remove TimeRangeTracker as point of contention when many threads writing a Store

[ https://issues.apache.org/jira/browse/HBASE-12148?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-12148: --- Attachment: HBASE-12148.txt Adding a non-blocking TimeRangeTracker that takes advantage of an

[jira] [Commented] (HBASE-12148) Remove TimeRangeTracker as point of contention when many threads writing a Store

[ https://issues.apache.org/jira/browse/HBASE-12148?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14391077#comment-14391077 ] John Leach commented on HBASE-12148: HBase-12148.txt added for your consideration.

[jira] [Work logged] (HBASE-13378) RegionScannerImpl synchronized for READ_UNCOMMITTED Isolation Levels

[ https://issues.apache.org/jira/browse/HBASE-13378?focusedWorklogId=19563page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-19563 ] John Leach logged work on HBASE-13378: -- Author: John Leach

[jira] [Updated] (HBASE-13427) HStore#addChangedReaderObserver hotspots due to missing hashCode and equals on StoreScanner

[ https://issues.apache.org/jira/browse/HBASE-13427?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-13427: --- Status: Patch Available (was: Open) Patch Submitted HStore#addChangedReaderObserver hotspots due

[jira] [Updated] (HBASE-13427) HStore#addChangedReaderObserver hotspots due to missing hashCode and equals on StoreScanner

[ https://issues.apache.org/jira/browse/HBASE-13427?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-13427: --- Attachment: HBASE-13427_V3.patch Attaching file with checkstyle error fixes.

[jira] [Work logged] (HBASE-13427) HStore#addChangedReaderObserver hotspots due to missing hashCode and equals on StoreScanner

[ https://issues.apache.org/jira/browse/HBASE-13427?focusedWorklogId=21104page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-21104 ] John Leach logged work on HBASE-13427: -- Author: John Leach

[jira] [Commented] (HBASE-12148) Remove TimeRangeTracker as point of contention when many threads writing a Store

[ https://issues.apache.org/jira/browse/HBASE-12148?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14486147#comment-14486147 ] John Leach commented on HBASE-12148: I can get this intermittently (1 out of 5) but I

[jira] [Updated] (HBASE-13427) HStore#addChangedReaderObserver hotspots due to missing hashCode and equals on StoreScanner

[ https://issues.apache.org/jira/browse/HBASE-13427?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-13427: --- Status: Open (was: Patch Available) Fixing checkstyle. HStore#addChangedReaderObserver hotspots

[jira] [Commented] (HBASE-13378) RegionScannerImpl synchronized for READ_UNCOMMITTED Isolation Levels

[ https://issues.apache.org/jira/browse/HBASE-13378?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14577884#comment-14577884 ] John Leach commented on HBASE-13378: Can someone explain this one to me? One

[jira] [Commented] (HBASE-13378) RegionScannerImpl synchronized for READ_UNCOMMITTED Isolation Levels

[ https://issues.apache.org/jira/browse/HBASE-13378?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14574735#comment-14574735 ] John Leach commented on HBASE-13378: I will take a closer look this weekend and see

[jira] [Commented] (HBASE-13378) RegionScannerImpl synchronized for READ_UNCOMMITTED Isolation Levels

[ https://issues.apache.org/jira/browse/HBASE-13378?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14570992#comment-14570992 ] John Leach commented on HBASE-13378: Seems like a nit IMO when you are comparing it

[jira] [Commented] (HBASE-13420) RegionEnvironment.offerExecutionLatency Blocks Threads under Heavy Load

[ https://issues.apache.org/jira/browse/HBASE-13420?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14571253#comment-14571253 ] John Leach commented on HBASE-13420: Andrew, Sorry for the delay, I have been

[jira] [Commented] (HBASE-13378) RegionScannerImpl synchronized for READ_UNCOMMITTED Isolation Levels

[ https://issues.apache.org/jira/browse/HBASE-13378?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14573477#comment-14573477 ] John Leach commented on HBASE-13378: Lars do you have a codeline where the decision

[jira] [Commented] (HBASE-13378) RegionScannerImpl synchronized for READ_UNCOMMITTED Isolation Levels

[ https://issues.apache.org/jira/browse/HBASE-13378?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14582547#comment-14582547 ] John Leach commented on HBASE-13378: Can you point me to the line of code that uses

[jira] [Commented] (HBASE-13427) HStore#addChangedReaderObserver hotspots due to missing hashCode and equals on StoreScanner

[ https://issues.apache.org/jira/browse/HBASE-13427?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14571364#comment-14571364 ] John Leach commented on HBASE-13427: Sorry for the delay, getting back to this one.

[jira] [Commented] (HBASE-12912) StoreScanner calls Configuration for Boolean Check on each initialization

[ https://issues.apache.org/jira/browse/HBASE-12912?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanelfocusedCommentId=14630216#comment-14630216 ] John Leach commented on HBASE-12912: Let me take a shot at it. StoreScanner calls

[jira] [Commented] (HBASE-14540) Write Ahead Log Batching Optimization

[ https://issues.apache.org/jira/browse/HBASE-14540?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14983350#comment-14983350 ] John Leach commented on HBASE-14540: I did it on Cloudera 5.4.1 for my test... > Write Ahead Log

[jira] [Created] (HBASE-14540) Write Ahead Log Batching Optimization

John Leach created HBASE-14540: -- Summary: Write Ahead Log Batching Optimization Key: HBASE-14540 URL: https://issues.apache.org/jira/browse/HBASE-14540 Project: HBase Issue Type: Improvement

[jira] [Updated] (HBASE-14540) Write Ahead Log Batching Optimization

[ https://issues.apache.org/jira/browse/HBASE-14540?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-14540: --- Attachment: HBaseWALBlockingWaitStrategy.java Here is a modified Wait Strategy to apply to the

[jira] [Commented] (HBASE-14540) Write Ahead Log Batching Optimization

[ https://issues.apache.org/jira/browse/HBASE-14540?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14941155#comment-14941155 ] John Leach commented on HBASE-14540: I did not run this on HBase based benchmarks but I did run this

[jira] [Commented] (HBASE-14540) Write Ahead Log Batching Optimization

[ https://issues.apache.org/jira/browse/HBASE-14540?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14941327#comment-14941327 ] John Leach commented on HBASE-14540: Good point... Probably not a good idea then. > Write Ahead

[jira] [Commented] (HBASE-14540) Write Ahead Log Batching Optimization

[ https://issues.apache.org/jira/browse/HBASE-14540?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14941346#comment-14941346 ] John Leach commented on HBASE-14540: Clearly, I think we should make it configurable. The problem

[jira] [Commented] (HBASE-14540) Write Ahead Log Batching Optimization

[ https://issues.apache.org/jira/browse/HBASE-14540?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14941309#comment-14941309 ] John Leach commented on HBASE-14540: Elliott, that is what I intuitively thought as well for a long

[jira] [Commented] (HBASE-14509) Configurable sparse indexes?

[ https://issues.apache.org/jira/browse/HBASE-14509?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14944433#comment-14944433 ] John Leach commented on HBASE-14509: buddy index? I must have been sick that day in school. Hmm,

[jira] [Commented] (HBASE-14266) RegionServers have a lock contention of Configuration.getProps

[ https://issues.apache.org/jira/browse/HBASE-14266?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14906422#comment-14906422 ] John Leach commented on HBASE-14266: HBASE-12912 is a similar issue. I am running tests right now

[jira] [Updated] (HBASE-14266) RegionServers have a lock contention of Configuration.getProps

[ https://issues.apache.org/jira/browse/HBASE-14266?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-14266: --- Attachment: HBASE-14266.patch Adding Quick Patch, more configuration props should be added in over

[jira] [Assigned] (HBASE-14266) RegionServers have a lock contention of Configuration.getProps

[ https://issues.apache.org/jira/browse/HBASE-14266?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach reassigned HBASE-14266: -- Assignee: John Leach > RegionServers have a lock contention of Configuration.getProps >

[jira] [Commented] (HBASE-14266) RegionServers have a lock contention of Configuration.getProps

[ https://issues.apache.org/jira/browse/HBASE-14266?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14906487#comment-14906487 ] John Leach commented on HBASE-14266: Assigned to Jeff, he will make changes based on feedback. >

[jira] [Updated] (HBASE-14266) RegionServers have a lock contention of Configuration.getProps

[ https://issues.apache.org/jira/browse/HBASE-14266?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-14266: --- Assignee: Jeff Cunningham (was: John Leach) > RegionServers have a lock contention of

[jira] [Commented] (HBASE-14266) RegionServers have a lock contention of Configuration.getProps

[ https://issues.apache.org/jira/browse/HBASE-14266?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=14906497#comment-14906497 ] John Leach commented on HBASE-14266: Jeff, I was slamming this in too fast. There is logical

[jira] [Updated] (HBASE-12148) Remove TimeRangeTracker as point of contention when many threads writing a Store

[ https://issues.apache.org/jira/browse/HBASE-12148?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-12148: --- Attachment: TimeRangeTracker.tiff Here are the blocked CPU cycles via JProfiler... > Remove

[jira] [Commented] (HBASE-12148) Remove TimeRangeTracker as point of contention when many threads writing a Store

[ https://issues.apache.org/jira/browse/HBASE-12148?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15204442#comment-15204442 ] John Leach commented on HBASE-12148: Yes, readers lock each other out when significant load is

[jira] [Commented] (HBASE-15480) Bloom Filter check needs to be more efficient for array

[ https://issues.apache.org/jira/browse/HBASE-15480?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15222168#comment-15222168 ] John Leach commented on HBASE-15480: Yes. Two initial use cases would be the following... Snapshot

[jira] [Commented] (HBASE-15556) need extensible ConsistencyControl interface

[ https://issues.apache.org/jira/browse/HBASE-15556?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15222883#comment-15222883 ] John Leach commented on HBASE-15556: Focus of the patch: 1. Isolate the consistency model of HBase

[jira] [Commented] (HBASE-16210) Add Timestamp class to the hbase-common and Timestamp type to HTable.

[ https://issues.apache.org/jira/browse/HBASE-16210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15382365#comment-15382365 ] John Leach commented on HBASE-16210: I do not think the Splice Community (We open sourced today!)

[jira] [Created] (HBASE-16468) RowLocks use a list implementation instead of an array implementation

John Leach created HBASE-16468: -- Summary: RowLocks use a list implementation instead of an array implementation Key: HBASE-16468 URL: https://issues.apache.org/jira/browse/HBASE-16468 Project: HBase

[jira] [Updated] (HBASE-16468) RowLocks use a list implementation instead of an array implementation for doMiniBatchMutate

[ https://issues.apache.org/jira/browse/HBASE-16468?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-16468: --- Summary: RowLocks use a list implementation instead of an array implementation for doMiniBatchMutate

[jira] [Assigned] (HBASE-16468) RowLocks use a list implementation instead of an array implementation for doMiniBatchMutate

[ https://issues.apache.org/jira/browse/HBASE-16468?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach reassigned HBASE-16468: -- Assignee: John Leach > RowLocks use a list implementation instead of an array implementation

[jira] [Assigned] (HBASE-16484) Create an Interface defining MultiVersionConsistencyControl

[ https://issues.apache.org/jira/browse/HBASE-16484?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach reassigned HBASE-16484: -- Assignee: John Leach > Create an Interface defining MultiVersionConsistencyControl >

[jira] [Created] (HBASE-16484) Create an Interface defining MultiVersionConsistencyControl

John Leach created HBASE-16484: -- Summary: Create an Interface defining MultiVersionConsistencyControl Key: HBASE-16484 URL: https://issues.apache.org/jira/browse/HBASE-16484 Project: HBase

[jira] [Updated] (HBASE-16468) RowLocks use a list implementation instead of an array implementation for doMiniBatchMutate

[ https://issues.apache.org/jira/browse/HBASE-16468?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-16468: --- Attachment: HBASE-16468.txt Patch > RowLocks use a list implementation instead of an array

[jira] [Created] (HBASE-16496) Hotspotting on SequenceIDAccounting during HLOG Performance Test

John Leach created HBASE-16496: -- Summary: Hotspotting on SequenceIDAccounting during HLOG Performance Test Key: HBASE-16496 URL: https://issues.apache.org/jira/browse/HBASE-16496 Project: HBase

[jira] [Updated] (HBASE-16496) Hotspotting on SequenceIDAccounting during HLOG Performance Test

[ https://issues.apache.org/jira/browse/HBASE-16496?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-16496: --- Attachment: HashMap_Hotspot.tiff Hotspot on byte[] into hashmap > Hotspotting on

[jira] [Assigned] (HBASE-16496) Hotspotting on SequenceIDAccounting during HLOG Performance Test

[ https://issues.apache.org/jira/browse/HBASE-16496?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach reassigned HBASE-16496: -- Assignee: John Leach > Hotspotting on SequenceIDAccounting during HLOG Performance Test >

[jira] [Updated] (HBASE-16496) Hotspotting on SequenceIDAccounting during HLOG Performance Test

[ https://issues.apache.org/jira/browse/HBASE-16496?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-16496: --- Attachment: HBASE-16496.patch Patch File. > Hotspotting on SequenceIDAccounting during HLOG

[jira] [Updated] (HBASE-16496) Hotspotting on SequenceIDAccounting during HLOG Performance Test

[ https://issues.apache.org/jira/browse/HBASE-16496?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-16496: --- Status: Patch Available (was: Open) > Hotspotting on SequenceIDAccounting during HLOG Performance

[jira] [Commented] (HBASE-17069) RegionServer writes invalid META entries for split daughters in some circumstances

[ https://issues.apache.org/jira/browse/HBASE-17069?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15664500#comment-15664500 ] John Leach commented on HBASE-17069: Andrew, I just hit this issue on a stress test that does self

[jira] [Commented] (HBASE-17209) manual Array to Collection Copy: Automated

[ https://issues.apache.org/jira/browse/HBASE-17209?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel=15709084#comment-15709084 ] John Leach commented on HBASE-17209: Oops. I will fix... > manual Array to Collection Copy:

[jira] [Created] (HBASE-17216) A Few Fields Can Be Safely Made Static

John Leach created HBASE-17216: -- Summary: A Few Fields Can Be Safely Made Static Key: HBASE-17216 URL: https://issues.apache.org/jira/browse/HBASE-17216 Project: HBase Issue Type: Improvement

[jira] [Assigned] (HBASE-17216) A Few Fields Can Be Safely Made Static

[ https://issues.apache.org/jira/browse/HBASE-17216?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach reassigned HBASE-17216: -- Assignee: John Leach > A Few Fields Can Be Safely Made Static >

[jira] [Updated] (HBASE-17216) A Few Fields Can Be Safely Made Static

[ https://issues.apache.org/jira/browse/HBASE-17216?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-17216: --- Attachment: HBASE-17216.patch > A Few Fields Can Be Safely Made Static >

[jira] [Updated] (HBASE-17216) A Few Fields Can Be Safely Made Static

[ https://issues.apache.org/jira/browse/HBASE-17216?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-17216: --- Status: Patch Available (was: Open) > A Few Fields Can Be Safely Made Static >

[jira] [Updated] (HBASE-17207) Arrays.asList() with too few arguments

[ https://issues.apache.org/jira/browse/HBASE-17207?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-17207: --- Status: Patch Available (was: Open) > Arrays.asList() with too few arguments >

[jira] [Updated] (HBASE-17207) Arrays.asList() with too few arguments

[ https://issues.apache.org/jira/browse/HBASE-17207?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-17207: --- Attachment: HBASE-17202.patch > Arrays.asList() with too few arguments >

[jira] [Updated] (HBASE-17208) Manual Array Copy Cleanup: Automated

[ https://issues.apache.org/jira/browse/HBASE-17208?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-17208: --- Attachment: HBASE-17208.patch > Manual Array Copy Cleanup: Automated >

[jira] [Updated] (HBASE-17208) Manual Array Copy Cleanup: Automated

[ https://issues.apache.org/jira/browse/HBASE-17208?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] John Leach updated HBASE-17208: --- Status: Patch Available (was: Open) > Manual Array Copy Cleanup: Automated >

[jira] [Created] (HBASE-17209) manual Array to Collection Copy: Automated

John Leach created HBASE-17209: -- Summary: manual Array to Collection Copy: Automated Key: HBASE-17209 URL: https://issues.apache.org/jira/browse/HBASE-17209 Project: HBase Issue Type:

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