I am trying the new version and run into some problem: details here: https://groups.google.com/forum/#!topic/asynchbase/zsIsLOZgiVc Could u please help? We are trying to migrate to Hadoop 2.2 with HBase 0.96. But this issue blocks the migration of one application.
On Monday, October 28, 2013 9:57:13 PM UTC-7, tsuna wrote: > > Hi all, > The first release candidate of AsyncHBase "post-singularity" is now > available for download. AsyncHBase remains true to its initial > promise: the API is still backward compatible, but under the hood it > continues to work with all production releases of HBase of the past > few years. > > This release was tested against HBase 0.89, 0.90, 0.92, 0.94, and > 0.96. While 0.2x probably still works, I didn't take the time to test > it, because… well, really, you shouldn't be using such ancient version > of HBase. Really. > > The Maven build was broken by the addition of protobufs in the build > process. Any Maven fans out there who would like to help fix it? > Without it I can't easily publish new artifacts to Maven repo. > > > Here is the relevant excerpt of the NEWS file: > > This release introduces compatibility with HBase 0.96 and up, and adds > a dependency on Google's protobuf-java library. Note that HBase 0.95.x, > which was a "developer preview" release train, is NOT supported. > > Please note that support for explicit row locks has been removed from > HBase 0.95 and up. While the classes and functionality remain usable > when using earlier versions of HBase, an `UnsupportedOperationException' > will be raised if one attempt to send a `RowLockRequest' to a newer > version of HBase. > > Please note that while AsyncHBase never made any guarantees about the > exact order in which multiple edits are applied within a batch, the order > is now different when talking to HBase 0.96 and up. > > New public APIs: > - Scanners can now use a variety of different filters via the new > `ScanFilter' interfaces and its various implementations. > - It's possible to specify specific families to scan via `setFamilies'. > - Scanners can put an upper bound on the amount of data fetched by RPC > via the new `setMaxNumKeyValues' (works with HBase 0.96 and up only). > - HBaseRpc now has a `failfast()' and a `setFailfast(boolean)' pair > of methods to allow RPCs to fail as soon as their encounter an > issue out of the ordinary (e.g. not just a `NotSuchRegionException'). > - `GetRequest' has additional constructor overloads that make its API > more uniform with that of other RPCs. > > Noteworthy bug fixes: > - DeleteRequest wasn't honoring its timestamp if one was given (#58). > - When a connection attempt fails, buffered RPCs weren't cleaned up > or retried properly. > - When one RPC fails because of another one (e.g. we fail to send an > RPC because a META lookup failed), the asynchronous exception that > is given to the callback now properly carries the original RPC that > failed. > - There was an unlikely race condition that could cause an NPE while > trying to retrieve the ROOT region from ZooKeeper. > > > Pre-compiled JAR: > http://tsunanet.net/~tsuna/asynchbase/asynchbase-1.5.0-rc1.jar > Source: https://github.com/tsuna/asynchbase > Javadoc: > http://tsunanet.net/~tsuna/asynchbase/1.5.0/org/hbase/async/HBaseClient.html > > $ git diff --stat v1.4.1.. | tail -n 1 > 70 files changed, 4824 insertions(+), 487 deletions(-) > > $ git shortlog v1.4.1.. > Andrey Stepachev (1): > Add support for multiple families/qualifiers in scanners. > > Benoit Sigoure (65): > Start v1.5.0. > Add Viral to AUTHORS for his work on ScanFilter. > Document ScanFilter and prevent it from being subclassed externally. > Convert the regexp key filtering mechanism to the ScanFilter. > Document how to run integration tests. > Enhance filters a bit and add integration tests. > Add a new helper function to produce better errors during tests. > Mention new scanner filters in NEWS. > Allow RPCs to fail-fast. > Update NEWS / THANKS. > Update suasync to 1.3.2. > Properly clean up when connection fails before being opened. > Properly report which RPC has failed in HasFailedRpcException. > Fix a small race condition when looking up the ROOT region. > Add HBase protocol buffers to the compilation process. > De-serialize the HBase 0.95+ znode that points to META. > Fix the process of META lookups for HBase 0.95 and up. > Send the proper "hello" message to HBase 0.95 and up. > Remove some unused helper code to create buffers. > Update the per-RPC header for HBase 0.95+. > Refactor how RPC objects know what RPC method they're for. > Compile Java code generated from protobuf files separately. > Kill some trailing whitespaces. > Add a helper function to de-serialize Protocol Buffer VarInt32. > Add a semi-evil helper class to avoid copying byte arrays from > protobufs. > De-serialize RPC responses from HBase 0.95+. > Add a helper function to de-serialize protocol buffers. > Handle META lookups with 0.95+. > Dedup byte arrays when deserializing KeyValues from 0.95+. > Make sure we have all the data we need before de-serializing. > Convert GetRequest to HBase 0.95+. > Convert AtomicIncrementRequest to HBase 0.95+. > Make the run target depend on the jar. > Sync protobuf files with changes made in the HBase 0.95 branch. > Add some make variables for the compilers used. > Add support for "cell blocks". > Avoid unnecessary string copies on each RPC. > Convert scanners and filters to HBase 0.95+. > Add a missing accessor to retrieve the max number of KVs on a > Scanner. > Expose HBase 0.95's ability to limit the number of bytes > returned by a scanner. > Log the channel when logging outgoing RPCs. > Convert single-put RPCs to HBase 0.95+. > Ensure that RPCs that shouldn't get cell blocks don't. > Convert the CAS RPC to HBase 0.95+. > Convert single-Delete RPCs to HBase 0.95+. > Catch up with the protobuf changes made in 0.96 > Explicit row locks are no longer supported in HBase 0.95 and up. > The 'getProtocolVersion' RPC no longer exists in 0.95+. > Add support for batched edits with HBase 0.96+. > Optimize multi-action a bit with HBase 0.95+ by sorting less. > Remove some warnings that come up when compiling with JDK 7. > Fix de-serialization of multi-packet responses. > Note that ColumnRangeFilter was added in HBase 0.92. > Fix up a logging message. > Upgrade to logback 1.0.13. > Upgrade to SLF4J 1.7.5. > Make sure to not schedule timers with a negative timeout. > Add some constructor overloads for GetRequest. > Upgrade to async 1.4.0. > Add a couple integration tests covering NoSuchColumnFamilyException. > Fix distclean: remove com/google/protobuf from the build directory. > Make sure we compile for Java 6. > Update NEWS for the v1.5.0 release. > Prevent warnings due to generated protobuf classes. > Upgrade to Netty 3.7.0. > > Viral Bajaria (2): > Initial commit for ScanFilter. > Add more scanner filters. > > Xun Liu (1): > Properly honor timestamps in DeleteRequest. > > -- > Benoit "tsuna" Sigoure >
