Hypertable 0.9.5.0 "final" release is now available for download at
http://www.hypertable.com/download/.
NOTE: you may have to hit refresh in your browser to get the correct
download
Version 0.9.5.0:
(2011-07-24)
Added Asynchronous Mutators
Added Load Balancer
Fixed RSML write race condition on shutdown
Added FLAG_DELETE_CELL_VERSION to allow a specific version of a cell to
be deleted.
Fixed problem with COUNTER support in MergeScanner causing corrupt keys
Fixed CellStoreV5 memory tracking
Fixed ApplicationHandler leak on timeout; RangeServer.Scanner.Ttl
default to 1800s
Fixed Event object leak in Comm layer
Improved CellStore memory tracking; Fixed merging compaction scheduling;
dropped MIXED prioritization
Added CellStore count monitoring graph for RangeServers
Added scanner_count graphs to monitoring interface
Added heap_size, heap_slack, and tracked_memory RangeServer monitoring
graphs
Fixed bug in RangeServer where the server would crash while processing
some queries.
Fixed bug whereby TableMutatorAsync timeout errors were being dropped.
[Issue 527] Partially implemented. Thrift API partially incomplete
Added paging statistics graphs to RangeServer monitoring page
Fixed support for DELETE records in LoadDataSource.cc
Fix to unacknowledged move cache patch
[issue 637] Fixed: problem with delete cell with timestamp
Fixed a couple of minor bugs in metalog_dump tool.
Added METADATA SYNC command to rsclient
Added assert(timeout!=0) in Comm layer; Added/Improved some log messages
Added Hypertable.LoadBalancer.Enable property to allow for disabling
balancer
Added removal of Range entity from RSML at end of relinquish operation
Added support for move compactions; Added COMPACT command to rsclient
Added unacknowledged_move cache to Master to avoid repeated move
Made changes to LoadBalancer to ignore RangeServers that are not live
yet.
Reduced Range split size for Balance-Mechanics tests to avoid running
out of file handles.
Improved bloom filter regression tests
[issue 285] ThriftBroker requires a restart after hypertable server
processes are restarted
Skip over RS_METRICS entries where version != 2
Fixed SystemInfo network rx/tx calculation
issue 639: Changed sort order to be numeric on RangeServer Monitoring
page
Fixed race condition in TableMutatorAsync as well as bug in
async_api_test.
Fixed couple of minor test issues.
Modified LoadMetricsRange to delete entries for "old" range after a
split.
issue 630: use hostname instead of IP on RS page; Improved graph colors
Improved merge algorithm by merging long runs of CellStores <
TargetSize.Minimum
Added complete AccessGroup information to RangeServer::dump
issue 636: Fixed bogus RangeServer shutdown error message
Eliminated superfluous memory allocations during log replay
Added --heapprofile to start-rangeserver.sh
Fixed a couple of uninitialized memory references
Fixed bug in ScanSpec end_row specification.
Changed default value of Hyperspace.LogGc.Interval to 10 mins instead of
1 hr
Fixed couple of possibly buggy comparisons in TableMutatorAsync code.
Added completed method to ResultCallback so applications can be notified
when outstanding async calls are complete.
Added "heapcheck" command to RangeServer for dumping heap stats
Fixed race condition in TableMutatorAsync code.
Added stop_monitoring and start_monitoring cap commands.
Removed over-aggressive assert in TableMutatorAsyncDispatchHandler
destructor.
Fixed a couple of warnings
Make Monitoring class map servers by location instead of id
If RangeServer.ProxyName equals "*" generate Location name using
hostname+port
Added balancing mechanics
Minor fix to Thrift future calls.
Replaced TableMutator code with new mutator code based on
TableMutatorAsync
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