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Commits on Jul 10, 2014

• Merge pull request #140 from basho/mv-pacing

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  Matthew Von-Maszewski

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• updated two tests. changed magic number 4 to a descriptive constant kL0_GroomingTrigger that matches existing constants.

  

  MatthewVon

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• revert to original rule of forcing both level 0 and 1 to fadvise without regard to memory position. Anya test craters without this. When it has a low memory to vnode ratio, the re-reads of level …

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  MatthewVon

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Commits on Jul 9, 2014

• limit grooming activities to one thread. Allow overlapped layers to submit smaller batches via grooming. both changes are to space out write operations in normal times, giving Read / Iterator cal…

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  MatthewVon

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Commits on Jul 7, 2014

• Merge pull request #139 from basho/mv-tuning9

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  Matthew Von-Maszewski

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Commits on Jul 5, 2014

• correct if statement to less than or equal after performance verification (hurts 8 vnode a little, helps 64 vnode a little)

  

  MatthewVon

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Commits on Jul 3, 2014

• only force level 0 to page cache. forcing level 1 is bad in tight memory conditions.

  

  MatthewVon

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Commits on Jul 2, 2014

• add variable cleanup supplied by maksqwe. fix sign/unsigned warning.

  

  MatthewVon

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Commits on Jul 1, 2014

• Adjust use of page cache on new file data based upon size of block cache by vnode

  

  MatthewVon

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Commits on Jun 11, 2014

• Merge pull request #137 from basho/mv-delete-mutex-fix

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  Matthew Von-Maszewski

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• remove unintended add of test.sh and clean up code removal in db_impl.cc

  

  MatthewVon

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Commits on Jun 10, 2014

• revert release of mutex during delete. can delete level-0 files created during delete

  

  MatthewVon

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Commits on Jun 6, 2014

• Merge branch 'mv-tuning7' into develop

  

  Matthew V

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• merge cleanup

  

  Matthew V

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Commits on May 15, 2014

• deal with compiler warning about an unused variable

  

  Matthew V

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Commits on May 9, 2014

• reduce general compaction pool from 5 threads to 3 threads

  

  MatthewVon

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Commits on May 8, 2014

• Merge pull request #131 from basho/mv-mutex-cleanup

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  Matthew Von-Maszewski

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• revert spin lock around fwrite. code review pointed out that C standards call for it to be thread safe already.

  

  MatthewVon

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• Merge pull request #132 from basho/mv-write-sizing

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  Matthew Von-Maszewski

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• oops, forgot on place that needed RecoveryMmapSize() added. Nice to have a good code reviewer. Thank you ajs.

  

  MatthewVon

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Commits on May 7, 2014

• clean up redundant code to single RecoveryMmapSize() call. Add suggested option from github user licenser. Fix all unit tests.

  

  MatthewVon

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Commits on May 4, 2014

• prototype code to isolate Log() file flushes from happening within mutex_ locked regions. Same with clean-up file deletes.

  

  MatthewVon

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Commits on May 3, 2014

• prototype code to vary sizes of mmap files based upon function.

  

  MatthewVon

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Commits on May 1, 2014

• move / remove Log() calls within mutex_ held regions

  

  MatthewVon

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Commits on Apr 25, 2014

• Raise key limit again now that dynamic block size is here to help.

  

  MatthewVon

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• when retry fails, force close so as not to leak handles and maybe give OS time to do the right thing eventually.

  

  MatthewVon

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Commits on Apr 18, 2014

• arg. ReleaseRef() had two bugs that would hurt / fail retry. Fixed.

  

  MatthewVon

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Commits on Apr 17, 2014

• add shutdown logic for perf counters. make sure retry logic only unmaps file once.

  

  MatthewVon

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Commits on Apr 16, 2014

• Close() performance counters upon Shutdown() call.

  

  MatthewVon

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• Add retry to background write/close tasks. Still gives up if retries also fail.

  

  Matthew V

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Commits on Apr 15, 2014

• move auto file close from 4 to 10 days. avoids nasty thrashing on weekly AAE tree building

  

  Matthew V

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• add error logging to ReleaseRef. await future work to establish recovery.

  

  MatthewVon

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• update comment about assumptions with penalty_double

  

  MatthewVon

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Commits on Apr 11, 2014

• Merge branch 'mv-tuning7' of github.com:basho/leveldb into mv-tuning7

  

  MatthewVon

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• address missing status update / status hiding relating to eleveldb issue #107

  

  MatthewVon

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