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Move Pregelix and Hivesterix codebase to new repositories: 1. Move Pregelix codebase to https://github.com/pregelix/pregelix; 2. Move Hivesterix codebase to https://code.google.com/p/hivesterix .

Change-Id: Iede698fcb92a0ad0a7a4918ea69b54886fd64fc7

Reviewed-on: http://fulliautomatix.ics.uci.edu:8443/155

Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>

Reviewed-by: Ian Maxon <imaxon@uci.edu>

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    ./org/apache/hadoop/hive/ql/Driver.java
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Several major changes in hyracks: -- reduced CC/NC communications for reporting partition request and availability; partition request/availability are only reported for the case of send-side materialized (without pipelining) policies in case of task re-attempt. -- changed buffer cache to dynamically allocate memory based on needs instead of pre-allocating -- changed each network channel to lazily allocate memory based on needs, and changed materialized connectors to lazily allocate files based on needs -- changed several major CCNCCFunctions to use non-java serde -- added a sort-based group-by operator which pushes group-by aggregations into an external sort -- make external sort a stable sort

1,3,and 4 is to reduce the job overhead.

2 is to reduce the unecessary NC resource consumptions such as memory and files.

5 and 6 are improvements to runtime operators.

One change in algebricks:

-- implemented a rule to push group-by aggregation into sort, i.e., using the sort-based gby operator

Several important changes in pregelix:

-- remove static states in vertex

-- direct check halt bit without deserialization

-- optimize the sort algorithm by packing yet-another 2-byte normalized key into the tPointers array

Change-Id: Id696f9a9f1647b4a025b8b33d20b3a89127c60d6

Reviewed-on: http://fulliautomatix.ics.uci.edu:8443/35

Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu>

Reviewed-by: Till Westmann <westmann@gmail.com>

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merge from zheilbron/hyracks_msr

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    ./org/apache/hadoop/hive/ql/Driver.java
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clean up the package and console output

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cleanup hivesterix poms and assembly

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migrate hivesterix to depend on hive-0.11.0

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add LSM support in pregelix

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add/update license headers

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Merged fullstack_lsm_staging upto r3336

git-svn-id: https://hyracks.googlecode.com/svn/trunk/fullstack@3339 123451ca-8445-de46-9d55-352943316053

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cross merge fullstack_release_candidate into trunk

git-svn-id: https://hyracks.googlecode.com/svn/trunk/fullstack@3208 123451ca-8445-de46-9d55-352943316053

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merged from fullstack_asterix_stabilization to fullstack_lsm_staging -r3100:3171

git-svn-id: https://hyracks.googlecode.com/svn/branches/fullstack_lsm_staging@3173 123451ca-8445-de46-9d55-352943316053

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Merge fullstack_asterix_stabilization with fullstack_hyracks_result_distribution.

git-svn-id: https://hyracks.googlecode.com/svn/branches/fullstack_hyracks_result_distribution@3170 123451ca-8445-de46-9d55-352943316053

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Merged fullstack_asterix_stabilization -r 2933:3157

git-svn-id: https://hyracks.googlecode.com/svn/branches/fullstack_hyracks_ioc@3164 123451ca-8445-de46-9d55-352943316053

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add a path for the concurrency issue in Hive LazyObjectInspectorFactory

git-svn-id: https://hyracks.googlecode.com/svn/branches/fullstack_asterix_stabilization@3149 123451ca-8445-de46-9d55-352943316053

Merge fullstack_asterix_stabilization into fullstack_hyracks_result_distribution.

git-svn-id: https://hyracks.googlecode.com/svn/branches/fullstack_hyracks_result_distribution@3124 123451ca-8445-de46-9d55-352943316053

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1. add a concurrent hash map patch for hive serde2; 2. minimize the hyracks cc history size

git-svn-id: https://hyracks.googlecode.com/svn/branches/fullstack_asterix_stabilization@3118 123451ca-8445-de46-9d55-352943316053

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clean up hivesterix client ip/port issues

git-svn-id: https://hyracks.googlecode.com/svn/branches/fullstack_asterix_stabilization@3115 123451ca-8445-de46-9d55-352943316053

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merge r3038:3100 fullstack_asterix_stabilization -> fullstack_lsm_staging

git-svn-id: https://hyracks.googlecode.com/svn/branches/fullstack_lsm_staging@3106 123451ca-8445-de46-9d55-352943316053

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refactoring hivesterix codebase

git-svn-id: https://hyracks.googlecode.com/svn/branches/fullstack_release_cleanup@3080 123451ca-8445-de46-9d55-352943316053

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rename hivesterix-core to hivesterix-dist

git-svn-id: https://hyracks.googlecode.com/svn/branches/fullstack_release_cleanup@3076 123451ca-8445-de46-9d55-352943316053

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    ./edu/uci/ics/hivesterix/runtime/exec/HyracksExecutionEngine.java
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    ./org/apache/hadoop/hive/ql/udf/generic/GenericUDAFAverage.java
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    ./org/apache/hadoop/hive/ql/udf/generic/GenericUDAFCovariance.java
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    ./org/apache/hadoop/hive/ql/udf/generic/GenericUDAFVariance.java
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