Changes since 0.6.2:
* always use UTF-8 for hint keys (CASSANDRA-1439)
* remove cassandra.yaml dependency from Hadoop and Pig (CASSADRA-1322)
* expose CfDef metadata in describe_keyspaces (CASSANDRA-1633)
* restore use of mmap_index_only option (CASSANDRA-1241)
* dropping a keyspace with no column families generated an error
(CASSANDRA-1378)
* rename RackAwareStrategy to OldNetworkTopologyStrategy, RackUnawareStrategy
to SimpleStrategy, DatacenterShardStrategy to NetworkTopologyStrategy,
AbstractRackAwareSnitch to AbstractNetworkTopologySnitch (CASSANDRA-1392)
* merge StorageProxy.mutate, mutateBlocking (CASSANDRA-1396)
* faster UUIDType, LongType comparisons (CASSANDRA-1386, 1393)
* fix setting read_repair_chance from CLI addColumnFamily (CASSANDRA-1399)
* fix updates to indexed columns (CASSANDRA-1373)
* fix race condition leaving to FileNotFoundException (CASSANDRA-1382)
* fix sharded lock hash on index write path (CASSANDRA-1402)
* add support for GT/E, LT/E in subordinate index clauses (CASSANDRA-1401)
* cfId counter got out of sync when CFs were added (CASSANDRA-1403)
* less chatty schema updates (CASSANDRA-1389)
* rename column family mbeans. 'type' will now include either
'IndexColumnFamilies' or 'ColumnFamilies' depending on the CFS type.
(CASSANDRA-1385)
* disallow invalid keyspace and column family names. This includes name that
matches a '^\w+' regex. (CASSANDRA-1377)
* use JNA, if present, to take snapshots (CASSANDRA-1371)
* truncate hints if starting 0.7 for the first time (CASSANDRA-1414)
* fix FD leak in single-row slicepredicate queries (CASSANDRA-1416)
* allow index expressions against columns that are not part of the
SlicePredicate (CASSANDRA-1410)
* config-converter properly handles snitches and framed support
(CASSANDRA-1420)
* remove keyspace argument from multiget_count (CASSANDRA-1422)
* allow specifying cassandra.yaml location as (local or remote) URL
(CASSANDRA-1126)
* fix using DynamicEndpointSnitch with NetworkTopologyStrategy
(CASSANDRA-1429)
* Add CfDef.default_validation_class (CASSANDRA-891)
* fix EstimatedHistogram.max (CASSANDRA-1413)
* handle zero-length (or missing) rows during HH paging (CASSANDRA-1432)
* include secondary indexes during schema migrations (CASSANDRA-1406)
* fix commitlog header race during schema change (CASSANDRA-1435)
* fix ColumnFamilyStoreMBeanIterator to use new type name (CASSANDRA-1433)
* correct filename generated by xml->yaml converter (CASSANDRA-1419)
* add CMSInitiatingOccupancyFraction=75 and UseCMSInitiatingOccupancyOnly
to default JVM options
* decrease jvm heap for cassandra-cli (CASSANDRA-1446)
* ability to modify keyspaces and column family definitions on a live cluster
(CASSANDRA-1285)
* support for Hadoop Streaming [non-jvm map/reduce via stdin/out]
(CASSANDRA-1368)
* Move persistent sstable stats from the system table to an sstable component
(CASSANDRA-1430)
* remove failed bootstrap attempt from pending ranges when gossip times
it out after 1h (CASSANDRA-1463)
* eager-create tcp connections to other cluster members (CASSANDRA-1465)
* enumerate stages and derive stage from message type instead of
transmitting separately (CASSANDRA-1465)
* apply reversed flag during collation from different data sources
(CASSANDRA-1450)
* make failure to remove comitlog segment non-fatal (CASSANDRA-1348)
* correct ordering of drain operations so CL.recover is no longer
necessary (CASSANDRA-1408)
* removed keyspace from describe_splits method (CASSANDRA-1425)
* rename check_schema_agreement to describe_schema_versions
(CASSANDRA-1478)
* fix QUORUM calculation for RF > 3 (CASSANDRA-1487)
* remove tombstones during non-major compactions when bloom filter
verifies that row does not exist in other sstables (CASSANDRA-1074)
* nodes that coordinated a loadbalance in the past could not be seen by
newly added nodes (CASSANDRA-1467)
* exposed endpoint states (gossip details) via jmx (CASSANDRA-1467)
* ensure that compacted sstables are not included when new readers are
instantiated (CASSANDRA-1477)
* by default, calculate heap size and memtable thresholds at runtime (CASSANDRA-1469)
* fix races dealing with adding/dropping keyspaces and column families in
rapid succession (CASSANDRA-1477)
* clean up of Streaming system (CASSANDRA-1503, 1504, 1506)
* add options to configure Thrift socket keepalive and buffer sizes (CASSANDRA-1426)
* make contrib CassandraServiceDataCleaner recursive (CASSANDRA-1509)
* min, max compaction threshold are configurable and persistent
per-ColumnFamily (CASSANDRA-1468)
* fix replaying the last mutation in a commitlog unnecessarily
(CASSANDRA-1512)
* invoke getDefaultUncaughtExceptionHandler from DTPE with the original
exception rather than the ExecutionException wrapper (CASSANDRA-1226)
* remove Clock from the Thrift (and Avro) API (CASSANDRA-1501)
* Close intra-node sockets when connection is broken (CASSANDRA-1528)
* RPM packaging spec file (CASSANDRA-786)
* weighted request scheduler (CASSANDRA-1485)
* treat expired columns as deleted (CASSANDRA-1539)
* make IndexInterval configurable (CASSANDRA-1488)
* add describe_snitch to Thrift API (CASSANDRA-1490)
* MD5 authenticator compares plain text submitted password with MD5'd
saved property, instead of vice versa (CASSANDRA-1447)
* JMX MessagingService pending and completed counts (CASSANDRA-1533)
* fix race condition processing repair responses (CASSANDRA-1511)
* make repair blocking (CASSANDRA-1511)
* create EndpointSnitchInfo and MBean to expose rack and DC (CASSANDRA-1491)
* added option to contrib/word_count to output results back to Cassandra
(CASSANDRA-1342)
* rewrite Hadoop ColumnFamilyRecordWriter to pool connections, retry to
multiple Cassandra nodes, and smooth impact on the Cassandra cluster
by using smaller batch sizes (CASSANDRA-1434)
* fix setting gc_grace_seconds via CLI (CASSANDRA-1549)
* support TTL'd index values (CASSANDRA-1536)
* make removetoken work like decommission (CASSANDRA-1216)
* make cli comparator-aware and improve quote rules (CASSANDRA-1523,-1524)
* sstable versioning (CASSANDRA-389)
* switched to slf4j logging (CASSANDRA-625)
* add (optional) expiration time for column (CASSANDRA-699)
* access levels for authentication/authorization (CASSANDRA-900)
* add ReadRepairChance to CF definition (CASSANDRA-930)
* fix heisenbug in system tests, especially common on OS X (CASSANDRA-944)
* convert to byte[] keys internally and all public APIs (CASSANDRA-767)
* ability to alter schema definitions on a live cluster (CASSANDRA-44)
* renamed configuration file to cassandra.xml, and log4j.properties to
log4j-server.properties, which must now be loaded from
the classpath (which is how our scripts in bin/ have always done it)
(CASSANDRA-971)
* change get_count to require a SlicePredicate. create multi_get_count
(CASSANDRA-744)
* re-organized endpointsnitch implementations and added SimpleSnitch
(CASSANDRA-994)
* Added preload_row_cache option (CASSANDRA-946)
* add CRC to commitlog header (CASSANDRA-999)
* removed deprecated batch_insert and get_range_slice methods (CASSANDRA-1065)
* add truncate thrift method (CASSANDRA-531)
* http mini-interface using mx4j (CASSANDRA-1068)
* optimize away copy of sliced row on memtable read path (CASSANDRA-1046)
* replace constant-size 2GB mmaped segments and special casing for index
entries spanning segment boundaries, with SegmentedFile that computes
segments that always contain entire entries/rows (CASSANDRA-1117)
* avoid reading large rows into memory during compaction (CASSANDRA-16)
* added hadoop OutputFormat (CASSANDRA-1101)
* efficient Streaming (no more anticompaction) (CASSANDRA-579)
* split commitlog header into separate file and add size checksum to
mutations (CASSANDRA-1179)
* avoid allocating a new byte[] for each mutation on replay (CASSANDRA-1219)
* revise HH schema to be per-endpoint (CASSANDRA-1142)
* add joining/leaving status to nodetool ring (CASSANDRA-1115)
* allow multiple repair sessions per node (CASSANDRA-1190)
* optimize away MessagingService for local range queries (CASSANDRA-1261)
* make framed transport the default so malformed requests can't OOM the
server (CASSANDRA-475)
* significantly faster reads from row cache (CASSANDRA-1267)
* take advantage of row cache during range queries (CASSANDRA-1302)
* make GCGraceSeconds a per-ColumnFamily value (CASSANDRA-1276)
* keep persistent row size and column count statistics (CASSANDRA-1155)
* add IntegerType (CASSANDRA-1282)
* page within a single row during hinted handoff (CASSANDRA-1327)
* push DatacenterShardStrategy configuration into keyspace definition,
eliminating datacenter.properties. (CASSANDRA-1066)
* optimize forward slices starting with '' and single-index-block name
queries by skipping the column index (CASSANDRA-1338)
* streaming refactor (CASSANDRA-1189)
* faster comparison for UUID types (CASSANDRA-1043)
* secondary index support (CASSANDRA-749 and subtasks)
* fix key ordering in range query results with RandomPartitioner
and ConsistencyLevel > ONE (CASSANDRA-1145)
* fix for range query starting with the wrong token range (CASSANDRA-1042)
* page within a single row during hinted handoff (CASSANDRA-1327)
* fix compilation on non-sun JDKs (CASSANDRA-1061)
* remove String.trim() call on row keys in batch mutations (CASSANDRA-1235)
* Log summary of dropped messages instead of spamming log (CASSANDRA-1284)
* add dynamic endpoint snitch (CASSANDRA-981)
* fix streaming for keyspaces with hyphens in their name (CASSANDRA-1377)
* fix errors in hard-coded bloom filter optKPerBucket by computing it
algorithmically (CASSANDRA-1220
* remove message deserialization stage, and uncap read/write stages
so slow reads/writes don't block gossip processing (CASSANDRA-1358)
* add jmx port configuration to Debian package (CASSANDRA-1202)
* use mlockall via JNA, if present, to prevent Linux from swapping
out parts of the JVM (CASSANDRA-1214)
* avoid queuing multiple hint deliveries for the same endpoint
(CASSANDRA-1229)
* better performance for and stricter checking of UTF8 column names
(CASSANDRA-1232)
* extend option to lower compaction priority to hinted handoff
as well (CASSANDRA-1260)
* log errors in gossip instead of re-throwing (CASSANDRA-1289)
* avoid aborting commitlog replay prematurely if a flushed-but-
not-removed commitlog segment is encountered (CASSANDRA-1297)
* fix duplicate rows being read during mapreduce (CASSANDRA-1142)
* failure detection wasn't closing command sockets (CASSANDRA-1221)
* cassandra-cli.bat works on windows (CASSANDRA-1236)
* pre-emptively drop requests that cannot be processed within RPCTimeout
(CASSANDRA-685)
* add ack to Binary write verb and update CassandraBulkLoader
to wait for acks for each row (CASSANDRA-1093)
* added describe_partitioner Thrift method (CASSANDRA-1047)
* Hadoop jobs no longer require the Cassandra storage-conf.xml
(CASSANDRA-1280, CASSANDRA-1047)
* log thread pool stats when GC is excessive (CASSANDRA-1275)
* remove gossip message size limit (CASSANDRA-1138)
* parallelize local and remote reads during multiget, and respect snitch
when determining whether to do local read for CL.ONE (CASSANDRA-1317)
* fix read repair to use requested consistency level on digest mismatch,
rather than assuming QUORUM (CASSANDRA-1316)
* process digest mismatch re-reads in parallel (CASSANDRA-1323)
* switch hints CF comparator to BytesType (CASSANDRA-1274)
* retry to make streaming connections up to 8 times. (CASSANDRA-1019)
* reject describe_ring() calls on invalid keyspaces (CASSANDRA-1111)
* fix cache size calculation for size of 100% (CASSANDRA-1129)
* fix cache capacity only being recalculated once (CASSANDRA-1129)
* remove hourly scan of all hints on the off chance that the gossiper
missed a status change; instead, expose deliverHintsToEndpoint to JMX
so it can be done manually, if necessary (CASSANDRA-1141)
* don't reject reads at CL.ALL (CASSANDRA-1152)
* reject deletions to supercolumns in CFs containing only standard
columns (CASSANDRA-1139)
* avoid preserving login information after client disconnects
(CASSANDRA-1057)
* prefer sun jdk to openjdk in debian init script (CASSANDRA-1174)
* detect partioner config changes between restarts and fail fast
(CASSANDRA-1146)
* use generation time to resolve node token reassignment disagreements
(CASSANDRA-1118)
* restructure the startup ordering of Gossiper and MessageService to avoid
timing anomalies (CASSANDRA-1160)
* detect incomplete commit log hearders (CASSANDRA-1119)
* force anti-entropy service to stream files on the stream stage to avoid
sending streams out of order (CASSANDRA-1169)
* remove inactive stream managers after AES streams files (CASSANDRA-1169)
* allow removing entire row through batch_mutate Deletion (CASSANDRA-1027)
* add JMX metrics for row-level bloom filter false positives (CASSANDRA-1212)
* added a redhat init script to contrib (CASSANDRA-1201)
* use midpoint when bootstrapping a new machine into range with not
much data yet instead of random token (CASSANDRA-1112)
* kill server on OOM in executor stage as well as Thrift (CASSANDRA-1226)
* remove opportunistic repairs, when two machines with overlapping replica
responsibilities happen to finish major compactions of the same CF near
the same time. repairs are now fully manual (CASSANDRA-1190)
* add ability to lower compaction priority (default is no change from 0.6.2)
(CASSANDRA-1181)
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