RELEASE-NOTES.txt

R E L E A S E   2016_08
=======================

Release highlights:
  * DM-5913: Long running shared-scan queries now moved automatically to snail-scan

Code improvements:
  * DM-6813: Track statistics about queries and tasks running per chunk
  * DM-7208: Minor fixes for issues flagged by Eclipse Neon C++ code analyzer
  * DM-6972: Documentation updated for new location of newinstall.sh
  * DM-7030: XRootD updated from upstream (now current to upstream SHA 03430C9)
  * DM-6160: Enable configuration of "largeResultPoolSize" parameter via czar config file

Docker:
  * DM-6444: Docker container builds now run with -j$(nproc) for faster builds
  * DM-7214: Fix for broken Travis CI builds (remove obsolete docker-spy)
  * DM-5967: Docker cluster deploy now uses Docker Swarm instead of shmux
  * DM-6922: Container build updated for new location of newinstall.sh

R E L E A S E   2016_06
=======================

Release highlights:
  * Scan scheduler enhancement to reduce query start delays
  * Memory lock limit raised on docker containers for better shared scan performance
  * Asynchronous memory locking for better shared scan performance
  * End-to-end script to launch multi-node integrations tests on OpenStack

Code improvements:
  * DM-5906: Remove the qmeta::QueryId and use the typedef of QueryId instead
  * DM-5907: Replace the heap in ScanScheduler with a list
  * DM-6518: Fix scheduler delays caused by mlock call in memman

Docker:
  * DM-6062: Launch integration tests using Docker+Openstack
  * DM-6177: Increase memory locked amount in container

R E L E A S E   2016_05
=======================

Release highlights:
  * Robust handling of queries with multi-gigabyte result sets.

Code improvements:
  * DM-6324: Modernize python code in Qserv admin tools

Docker:
  * DM-6130: Fix git script failure when both -R and QSERV_DIR are provided

Bug Fixes:
  * DM-5908: Worker thread pool fixes so workers don't lock up when sending large results
  * DM-5909: Czar thread pool fixes so czar doesn't lock up when receiving large results
  * DM-5910: Czar throttling so czar doesn't lock up when receiving multiple large results simultaneously
  * DM-6149: Reduce memory utilization in mysql proxy when handling large results
  * DM-6292: Allow spaces in LSST_LIBRARY_PATH for OSX
  * DM-1355: Clean up installation files: cfg/ and proxy/ moved under share/ and lib/ for consistency

R E L E A S E   2016_04
=======================

Release highlights:
  * Bug fixes to re-enable scripted large-scale tests
  * Bug fixes for new shared scans

Code improvements:
  * DM-5209: Improve worker configuration files
  * DM-5788: Xcode 7.3 compiler issue
  * DM-5394: Investigate boost compiler warnings and update boost to v1.60

Documentation:
  * DM-5754: Improvements to install documentation

Docker:
  * DM-4438: Replace sed with awk for docker template expansion
  * DM-5187: Set Qserv master in env variable for Docker containers

Bug Fixes:
  * DM-5514: Shared scan bug fixes
  * DM-5307: Query distribution threading fixes

R E L E A S E   2016_03
=======================

Release highlights:
  * Unique query IDs in logging
  * Improved memory-managed shared scans
  * Multi-node integration tests running in Travis CI
  * Docker scripts now support multiple clusters
  * Service timeout bug fixed

New features:
  * DM-5314: Implement unique query-id generation
  * DM-4755: Add unique query-ids to log messages
  * DM-5218: Run Qserv multi-node integration tests in Travis CI

Code improvements:
  * DM-2320: Remove deprecated merging code
  * DM-991:  Add query involving a blob to the integration tests
  * DM-5313: Refine shared scan memory manager implementation

Docker:
  * DM-5402: Make cluster deployment scripts more generic
  * DM-5319: Fix container used by mariadb CI

Bug Fixes:
  * DM-5336: Fix minor issues in docker procedure
  * DM-5594: Fix qserv service timeout issue

R E L E A S E   2016_02
=======================

Release highlights:
  * Removed all remaining dependencies on mysql/mysqlclient
  * Memory-managed shared scans
  * User-friendly thread IDs in logging

New features:
  * DM-4943: Switch to MemManReal memory manager in worker scheduler
  * DM-4756: Support human-friendly thread ID in logging messages
  * DM-4697: Implement worker scheduler for shared scans
  * DM-4648: Support connection to qserv from sqlalchemy client

Code improvements:
  * DM-5204: Removed all remaining LOGF macro usage from qserv
  * DM-5202: Removed deprecated LOGF macros entirely from log package
  * DM-4938: Update to scisql 0.3.5
  * DM-4786: Update mysqlproxy to 0.8.5
  * DM-4440: Remove unused code in worker and configuration templates
  * DM-3949: Remove mysqldb dependency in wmgr
  * DM-2900: Add integration tests to excercise non-box spatial constraints

Docker:
  * DM-3985: Support multinode integration test on single host

Bug fixes:
  * DM-5125: Fix qserv failure when mixing mariadb/mariadbclient directories
  * DM-5122: Explicitly enable LOAD DATA LOCAL for mariadb
  * DM-5026: Remove stale mysqlclient dependeny from eups sqlalchemy package

R E L E A S E   2016_01
=======================

Release highlights:
 * Query cancellation works
 * Switched to MariaDB
 * czar now runs inside mysql proxy
 * Switched to stream-based logging
 * Switched to using external sphgeom
 * Improved packaging of shared libraries in scons
 * Designed interfaces for memory management for shared scans

New features:
 * DM-2522: Implement distributed database deletion
 * DM-224:  Switch to MariaDB
 * DM-4807: Add Shared Scan Table Information to CSS
 * DM-4677: Design Interfaces for Memory Management for Shared Scans

Code improvements:
 * DM-4348: Replace XML-RPC with in-process communication
 * DM-3447: Improve packaging of shared libraries in scons
 * DM-4616: Migrate Qserv code to stream-based logging
 * DM-2178: Migrate Qserv to external sphgeom
 * DM-4383: Avoid restarting czar when empty chunk list changes
 * DM-3037: remove lsst/log wrapper from Qserv
 * DM-2699: Final cleanup of Query cancellation code
 * DM-2421: Improve support for Python modules in Scons
 * DM-4753: Cleanup location of anonymous namespaces
 * DM-3888: Add missing space after if in Qserv code to conform to standard
 * DM-2452: Replace toString() function
 * DM-2060: Rename TaskMsgFactory2

Docker:
 * DM-4295: Run and document multinode integration tests on Openstack+Docker
 * DM-4523: Fix startup.py inside Docker container

Bug fixes:
 * DM-4529: Compilation errors from CLang (Apple LLVM 7.0) in XCode 7 on MacOSX
 * DM-4470: squelch some minor gcc 5.2 warns
 * DM-4704: Qserv integration tests fail on CentOS7 with gcc 4.8.5
 * DM-4705: qdisp/testQDisp fails with mariadb
 * DM-4928: Fix intermittent testQdisp failure
 * DM-4648: Support sqlalchemy use with qserv

Documentation:
 * DM-4105: Update user documentation

R E L E A S E   2015_11
=======================

Release highlights:
 * Progress with Implementing Database & Table Mgmt
 * Improvements to query cancellation code

Code improvements:
 * DM-4138: Re-implement packed keys in CSS
 * DM-2622: Modify czar to support table deletion
 * DM-2624: Implement DROP table in watcher
 * DM-2625: Create service for managing watcher
 * DM-3945: Simplify task queuing / Runner code
 * DM-3563: Add unit tests to exercise new scheduler
 * DM-3564: Integrate Qserv code with cancellation-friendly xrdssi
 * DM-4395: Update cmsd configuration for multi-node tests

Bug fixes:
 * DM-4206: wmgr should delete database from inventory when dropping it
 * DM-4398: Fix regexp for gcc48

R E L E A S E   2015_10
=======================

Release highlights:
 * Switched away from zookeeper to MySQL for CSS
 * Cancellation-related code cleaned up

Code improvements:
 * DM-4003: Replace zookeeper CSS with mysql
 * DM-3946: Cleanup cancellation-related worker code
 * DM-3952: Cleanup lua miniParser
 * DM-4092: Update qserv for lastest xrootd
 * DM-2873: Handle "where objectId between"
 * DM-2334: Simplify interactions with XrdOss
 * DM-3755: Revisit shared scans design
 * DM-3192: Re-implement watcher based on new CSS implementation
 * DM-3574: Replace qservAdmin.py use with CssAccess
 * DM-4145: Reduce scons output in qserv

Documentation improvements:
 * DM-3910: Run and document multi-node test with docker

R E L E A S E   2015_09
=======================

Release highlights:
 * Simplified executor
 * Added support for clang / Mac OS X
 * Switched to SQLAlchemy based db module
 * Reduced/isolated dependency on mysql
 * Added support for IN queries
 * Integrated Qserv with pipelines and SUI
 * Ported to C++11 continued (nullptrs)

Code improvements:
 * DM-3562: Refactor executor code
 * DM-2733: Generalize / Simplify Facade
 * DM-3805: uint type is non-standard
 * DM-3663: Add support for clang and OS X to qserv scons
 * DM-3584: Port Qserv to OS X/Clang
 * DM-3803: Fix Qserv compiler warnings with clang
 * DM-3915: Unused local typedef warning in Qserv
 * DM-3779: clean up gcc and eclipse code analyzer warns
 * DM-3707: qserv scons - do not copy files to variant_dir

New features:
 * DM-3199: Standardize Qserv install procedure: step 1 build docker
            container for master/worker instance and development version

Bug fixes:
 * DM-3656: Data loader doesn't work for match tables
 * DM-2887: Fix broken IN - it now takes first element only
 * DM-3772: Fix compiler detection for non-default gcc/g++ compiler
 * DM-3779: Fix compiler detection in Qserv for non-gcc compiler
 * DM-3686: Fix PATH and compiler version detection in qserv scons

Documentation improvements:
 * DM-3922: Update multi-node setup documentation

R E L E A S E   2015_08
=======================

Release highlights:
 * Further improvements to reliability
 * Implemented MySQL-based KVInterface for CSS
 * Improved compatibility with webserv

Code improvements:
 * DM-3450: Fix cluster install procedure and improve docker support
 * DM-3456: Fix problems with talking from webserv to qserv
 * DM-2558: Migrate qserv code to reworked db/dbPool
 * DM-2956: Migrate Qserv code to nullptr
 * DM-3253: Unify KVInterface python and c++ interfaces
 * DM-3555: Ignore "SELECT @@tx_isolation" queries
 * DM-3947: Remove dependency on mysqldb in wmgr
 * DM-3358: Add mysql-based test to multi-node integration test
 * DM-3360: Minor cleanup related to max_hostname
 * DM-1662: Make qserv dependencies build on OS X with clang
 * DM-3450: Tweaks to configurations discovered during S15 tests

New features:
 * DM-3163: CSS/QMeta interaction in czar
 * DM-3161: Implement MySQL-based KVInterface

Bug fixes:
 * DM-3936: Fix "Executive error executing job" on the cluster
 * DM-3943: QMeta thread safety
 * DM-3522: Releasing un-acquired resources bug
 * DM-2930: Fix problem with Qserv related to restarting mysql
 * DM-3618: Fix bug related to restarting xrootd in wmgr

R E L E A S E   2015_07
=======================

Release highlights:
 * Reliability in multi-node environment greatly improved:
   critical bug fixes related to problems at scale.
 * Added support for ORDER BY
 * Completed query metadata
 * Miscelaneous code cleanup

Code improvements:
 * DM-3104: Add "ORDER BY" clause to lua SQL query on result table
 * DM-1709: Implement result sorting for integration tests
 * DM-2885: Improve confusing error message
 * DM-3223: Improve czar-worker communication debugging
 * DM-3090: Implement test suite for new class SqlTransaction
 * DM-3110: qserv code cleanup
 * DM-3235: qserv missing direct dependencies
 * DM-3091: Remove unused function populateState()
 * DM-3238: Add qserv-restart.sh

New features:
 * DM-2805: Complete Query Metadata Implementation
 * DM-2966: Design CSS that supports updates

Bug fixes:
 * DM-3261: Fix problems in xrootd discovered in multi-node qserv tests
 * DM-3237: Fix problems with no-result queries on multi-node setup

Documentation improvements:
 * DM-2420: Document API for worker management service
 * DM-3224: Document setting up multi-node Qserv and running integration test

R E L E A S E   2015_06
=======================

Release highlights:
 * Multi-node integration tests
 * Basic query metatdata framework
 * Many valgrind/helgrind fixes
 * More C++11 migration (std::scoped_ptr, unique_ptr)

Code improvements:
 * DM-2720: Migrate boost::scoped_ptr to std
 * DM-2953: Migrate auto_ptr --> unique_ptr
 * DM-2803: Adapt multi-node tests to latest version of qserv / loader
 * DM-2643: Migrate Qserv to ssi v2
 * DM-2892: Keep track of database of the director table
 * DM-3091: Remove unused function populateState

New features:
 * DM-2627: Add support for configuring multi-node integration tests
 * DM-2804: Implement query metadata skeleton
 * DM-2858: Add support for "ORDER BY f1, f2" for has-chunks query

Bug fixes:
 * DM-2777: Fix races in BlendScheduler
 * DM-2779: Fix race in Foreman
 * DM-2854: Fix Qserv SsiSession worker race
 * DM-2681: Fix race condition in userQueryProxy
 * DM-2935: Fix qserv-admin CREATE NODE failure
 * DM-2982: Fix qserv-admin node status INACTIVE failure
 * DM-2864: Fix selection of rows by objectId from non-director table
 * DM-2945: Fix wmgr service on remote interfaces
 * DM-2947: Fix data load of secondary index in multi-node case

Documentation improvements:
 * DM-2841: Add User Manual
 * DM-3018: Update dev quick-start guide for new qserv_testdata repo
 * DM-2846: Remove hardcoded username from doc/publish.sh

R E L E A S E   2015_05
=======================

Release highlights:
 * Migration to C++ 11 (thread, shared_ptr)
 * Improvements for gcc 4.9.2

Code improvements:
 * DM-1541: Add support for transmitting [VAR]BINARY column data
 * DM-1540: Add support for BIT columns
 * DM-1901: Re-implement data loading scripts based on new worker control service
 * DM-2593: Client API for new worker management service
 * DM-2711: Migrate boost:thread to std::thread
 * DM-2712: Migrate boost::shared_ptr to std::shared_ptr
 * DM-2730: Qserv code cleanup
 * DM-2714: Make valgrind happier

New features:
 * DM-1716: Implement query killing through Ctrl-C
 * DM-2341: Use parallel ssh to manage Qserv on IN2P3 cluster

Bug fixes:
 * DM-2698: Fix connection leak
 * DM-2716: Fix connection leak (2nd iteration)
 * DM-2710: Mutex use before creation
 * DM-2708: Understand race condition in Executive::_dispatchQuery
 * DM-2762: Avoid leaking memory allocated by mysql_thread_init
 * DM-2682: Add missing empty-chunk-path on Ubuntu 14.04
 * DM-2683: Fix case05 3009_countObjectInRegionWithZFlux freeze
 * DM-2679: Fix default LOAD DATA options
 * DM-2760: Data loader fails to decompress compressed data
 * DM-1715: Add missing includes unistd.h for gcc 4.9.2
 * DM-2729: Fix a few more g++ 4.9.2 compatos

Documentation improvements:
 * DM-2630: Document configuration tool main use cases

R E L E A S E   2015_04
=======================

Release highlights:
 * Switched to C++ 11
 * Introduced dependency on flask
 * Queries with large results (>2MB) are now properly handled.
 * Query cancellation works, however multiple consecutive Ctrl-C
   are not handled yet.

Code improvements:
 * DM-2177: Implement worker-side squashing
 * DM-1692: Implement "unlimited" result size handling
 * DM-2469: Turn on C++ 11 flag for Qserv
 * DM-2497: Fix g++ 4.9 return value implicit conversion incompato
 * DM-2519: Check for Qserv processes at configuration tool startup
 * DM-2595: Symlink data directory at configuration

New features:
 * DM-2419: Implement authentication mechanism for worker management service
 * DM-2385: Implement data loading in worker manager service
 * DM-2617: Fix engine type in loader for index table
 * DM-2618: Drop PK on overlap tables in data loader
 * DM-2411: Allow qserv-admin.py to delete a node

Bug fixes:
 * DM-2547: Fix again interface between QservOss and new cmsd version
 * DM-2481: Fix intermittent race condition in worker
 * DM-2552: xrootd can't be started via ssh
 * DM-2629: Fix build for gcc 4.7.2 and gcc 4.8.2

R E L E A S E   2015_03
=======================

Code improvements:
 * DM-202:  Qserv: unit testing (query execution)
 * DM-2387: Build testQDisp.cc on ubuntu
 * DM-2390: Errors need to be checked in UserQueryFactory from QuerySession objects

New features:
 * DM-1900: Worker management service - design
 * DM-2176: Worker management service - impl
 * DM-998:  Adapt integration test to multi-node setup v1

Bug fixes:
 * DM-1841: Fix query error on case03: "SELECT scienceCcdExposureId FROM
            Science_Ccd_Exposure_Metadata"
 * DM-854:  duplicate column name when running near neighbor query
 * DM-2451: Fix interface between QservOss and new cmsd version
 * DM-2417: Data loader script crashes trying to create chunk table
 * DM-2294: Unable to start cmsd on Qserv worker node

Documentation improvements:
 * DM-2190: Documentation for data loader
 * DM-2309: Update dev quick-start guide to new git repositories


R E L E A S E   2015_02
=======================

Code improvements:
 * DM-215:  Implement C++ geometry primitives for Qserv
 * DM-216:  Switch Qserv to C++ geometry primitives
 * DM-1952: Change log priority for message "Unknown column 'whatever' in 'field
            list'"
 * DM-548:  rearchitect Qserv to fix dependencies between modules in qserv/core
 * DM-335:  Migrate std::lists to std::vectors
 * DM-1570: Create integration test case using data duplicator
 * DM-1145: Remove code made obsolete
 * DM-1715: Disable query killing
 * DM-322:  Trim python importing by czar in app.py

New features:
 * DM-646:  Implement DISTINCT aggregate in qserv
 * DM-1618: Implement distributed database creation
 * DM-1619: Implement distributed table creation
 * DM-1617: Client library for accessing distributed database/table information
            from CSS

Bug fixes:
 * DM-1842: Fix encoding problem in qserv-czar.log
 * DM-1784: Fix errors in parsing or rendering nested expressions
 * DM-2058: Data loader should always create overlap tables
 * DM-681:  Parser ignores syntax after LIMIT
 * DM-1888: scons install pass even if scons unit test fails
 * DM-1974: Fix enclose, escape, and line termination characters in
            qserv-data-loader
 * DM-2157: Data loader crashes on uncompressed data.

Documentation improvements:
 * DM-814:  Cleanup in core/examples and core/doc

R E L E A S E   2015_01
=======================

Code improvements:
 * DM-1720: Make secondary index for director table only
 * DM-1762: Export SUI data (DC_W13_Stripe82_subset)
 * DM-1742: Remove swig/antlr from Qserv system dependency list
 * DM-1677: multi-error utility class
 * DM-1213: cleanup order/grouping of header files
 * DM-370: improved how default values for CSS are handled
 * DM-1090: Log now takes a char const* format
 * DM-1919: Address misc. compiler warnings
 * DM-1917: Fix missing virtual destructors

New features:
 * DM-627: Switch to using new partitioner, loader
 * DM-520: Remove old partitioner/ loader and duplicator
 * DM-1616: Implement remote host access for management framework (workerAdmin)
 * DM-1615: Design and implement CSS structure for distributed Qserv setup
 * DM-1046: W15 Central State System, support for db/table/query metadata
 * DM-1037: W15 Loading data into distributed Qserv-managed databases
 * DM-1755: Create an integration test case with GB-sized data
 * DM-1844: Qserv tested on SL7

Bug fixes:
 * DM-1886: qserv-admin crash in DUMP EVERYTHING
 * DM-1582: Qserv spatial restrictor names are case sensitive
 * DM-1743: CSV reader for Qserv partitioner doesn't handle no-escape and no-quote
            options properly
 * DM-737:  Rendering an IR node tree should produce properly parenthesized output
 * DM-655:  unknown column derails Qserv
 * DM-1673: Allow SWIG override for broken SWIG installations
 * DM-1744: Fix SWIG_SWIG_LIB empty list default value
 * DM-1732: Fix bug with 2 results table with same id

Documentation improvements:
 * DM-1792: Update documentation and automatic install script w.r.t. new
            newinstall.sh script
 * DM-1658: Document 'git bisect' use
 * DM-1658: Improve command-line ReST documentation
 * DM-1822: Fix bug related to mysql empty string

R E L E A S E   2014_12
=======================

Code improvements:
 * DM-336:  Improve code that initializes shared pointers
 * DM-1621: Add unit test to to verify zookeeper versioning works

New features:
 * DM-621:  User friendly single node loading script
 * DM-1678: Handling of overlap parameter in new data loader
 * DM-1653: Extend data loading script to support multi-node setup

Bug fixes:
 * DM-1601: Fix related to queries with c-style comments
 * DM-1603: Fix qserv build to use eups version of SWIG
 * DM-1661: czar log4cxx link/load bug on Ubuntu 14.04

Documentation improvements:
 * DM-1538: Dev documentation

R E L E A S E   2014_11
=======================

Code improvements:
 * DM-1395: Reimplement CSS using JSON-packing, czar kazoo + c++ snapshotting phase 2
 * DM-1252: Implement structure for DB/table metadata in CSS
 * DM-1453: Add data versions to Zookeeper
 * DM-1539: Add support for mysql JDBC driver
 * DM-658:  Database name used by integration tests should use their own dedicated
            database, not "LSST"
 * DM-1338: Make QSERV_RUN_DIR scripts able to detect qserv install paths using eups
 * DM-1506: Support new version of newinstall.sh
 * DM-1446: Fine tune czar and worker database initialization
 * DM-1428: Add return codes for qserv-check-integration.py and qserv-testunit.py

New features:
 * DM-1497: Package Qserv mono-node instance in Docker

Documentation improvements:
 * DM-1475: Fix 2014_09 documentation

Known issues:
 * Problems with swig 1.0 (Fedora 19 and Ubuntu 14.04 ship with 1.0).

R E L E A S E   2014_10
=======================

Code improvements:
 * DM-1210: Invert buffering for czar in row-based result handling
 * DM-1249: Reimplement CSS using JSON-packing, czar kazoo + c++ snapshotting, #1

Bug fixes:
 * DM-1360: Fix minor loose ends from new result plumbing
 * DM-1381: Fix testFacade - make the location random
 * DM-513:  Fix threading issues in CSS watcher
 * DM-1279: Fix Scisql deployment test error (doc.py)

Documentation improvements:
 * DM-1287: Propose and document a recipe to build Qserv in eups

R E L E A S E   2014_09
=======================

Code improvements:
 * DM-198:  Rework JOIN support, including Ref*Match tables
 * DM-199:  Develop new master-worker result system
 * DM-207:  Migrate Qserv czar code to the new logging system
 * DM-1005: Migrate Qserv worker code to the new logging system
 * DM-602:  Add support for installing qserv on machines without internet
 * DM-750:  Integrate sciSQL in eups
 * DM-953:  Move qserv-testdata.py to qserv_testdata package
 * DM-518:  Rework exceptions in qserv client
 * DM-1152: Css C++ client needs to auto-reconnect
 * DM-648:  Add support for running unit tests in scons
 * DM-666   Partition package has to detect eups-related boost
 * DM-1147: Create a top-level qserv_distrib package
 * DM-1055: Remove unnecessary pieces from qserv czar config
 * DM-559:  Clean up include <> --> "" for third party includes

Bug fixes:
 * DM-800:  Zookeeper times out
 * DM-664:  "out of range value" message when running qserv-testdata (loader.py)
 * DM-863:  near neighbor does not return results

Documentation improvements:
 * DM-1118: Improve documentation of code from DM-70

R E L E A S E   2014_08
=======================

Code impromements:
 * DM-220: Reworked new xrootd client
 * DM-70:  Integrated Qserv with the new xrootd client
 * DM-321: Redid threading and dispatching
 * DM-366: Refactored install/distribution procedures using lsst-sw
 * DM-869: Added flag to disable unused-local-typedefs warning
 * DM-320: Renamed several modules and test programs
 * DM-999: Renamed config files

Bug fixes:
 * DM-989:  .my.cnf in user HOME directory breaks setup script
 * DM-1022: Fix warnings related to libraries pulled through dependent package
 * DM-1054: init.d/qserv-czar needs LD_LIBRARY path
 * DM-1029: "source" command is not in standard shell

Documentation improvements:
 * DM-930: Updated documentation and migrated to REST format
 * DM-649: Framework for documenting "how to run Qserv"

R E L E A S E   2014_07
=======================

Code improvements:
 * DM-626: Reworked Qserv configuration scripts
 * DM-595: Reworked configuration to support for multi-node

R E L E A S E   2014_06
=======================

Bug fixes:
 * DM-786: Fixed problems with JOIN queries
 * DM-516: Fixed race conditions in metadata
 * DM-782: Fixed issues with automated tests related to column names
 * DM-794: Fixed issues related to potential SQL injection
Code improvements:
 * DM-622: Refactored Qserv configuration to simplify code development
 * DM-710: Simplified client configuration
 * DM-817: Switched to using stack-based boost
 * DM-742: Switched to using geometry from geom package

R E L E A S E   2014_05
=======================

Bug fixes:
 * DM-630: Non-partitioned table query returns duplicate rows
 * DM-656: Selecting from non-paritioned table is broken
 * DM-626: ORDER BY and DISTINCT do not work reliably in qserv
 * DM-633: Query sessions are never destroyed
 * DM-625: Too many connections from czar to zookeeper
 * DM-531: Qserv returns error table instead of error code
 * DM-372: fix testQueryAnalysis
 * DM-328: mysql-proxy fails to stop
 * DM-298: restarting mysqld breaks qserv
 * DM-282: Make sure new metadata exceptions do not crash a qserv czar
 * DM-596: Fix automated tests after css migration

Code cleanup:
 * major cleanu pof includes in Qserv core modules (DM-313, DM-560)
 * cleanup extra file names in docstring
 * removed dead code (DM-337, DM-612)

Improvements:
 * renames and reorganizations
    * DM-699: rename git repository qservdata to qserv_testdata
    * DM-614: rename qserv_admin.py to qserv-admin.py
    * DM-509: rename "dbGroup" to "storageClass" in CSS metadata
    * DM-597: reorganize client module
    * DM-514: Switch to the "czar" name consistently
    * DM-290: Eliminate dependence of query analysis on parser and antlr
 * tweaks to internal zookeeper metadata:
    * DM-508: shorten internal names in zookeeper
    * DM-510: Tweak metadata structure for driving table and secondary index
 * improvements to packaging/install/build system
    * DM-611: Switch kazoo version to 2.0b1 or later
    * DM-546: scons rebuilds targets without changes
    * DM-355: Install and tag multiple Qserv versions on the same distserver
    * DM-405: Write Linux Standard Base - compliant init.d scripts
    * DM-623: Package antlr 2.7 in eups
    * DM-365: Integration tests dataset should be packaged in eupspkg
 * improved exceptions / error handling
   * DM-470: Rework exceptions in css (python side)
   * DM-208: catch exceptions from CSS
   * DM-278: Improve handling errors occuring in AsyncQueryManager
   * DM-604: Update parse/analysis tests to detect missing css-kvmap early

New features:
 * Finished implementation of XrootD client and investigated
   how to connect it with Qserv (DM-221, DM-222, DM-291)
 * DM-481: Unit tests install directory
 * DM-228: Setup dev test environment
 * DM-460: Implement backup/restore for CSS
 * DM-52: Qserv configuration - detailed design

Tested and verified:
 * selections from partitioned tables and non-partitioned tables, both simple (eg by objectId) and more complex
 * area selections (e.g. distance from a point)
 * full table scans
 * scisql astrometry conversions (eg flux to mag)
 * ORDER BY

All enabled integration tests (34) pass cleanly.