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Move Pregelix and Hivesterix codebase to new repositories: 1. Move Pregelix codebase to; 2. Move Hivesterix codebase to .

Change-Id: Iede698fcb92a0ad0a7a4918ea69b54886fd64fc7


Tested-by: Jenkins <>

Reviewed-by: Ian Maxon <>

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Support big vertex in Pregelix. --For those vertice beyond page size, we store them on HDFS as immutable files. --Updates on those big vertice will trigger creations of new immutable files.

Change-Id: I6b6f0528b6b5360c96dcdace1fa360d42c517f22


Tested-by: Jenkins <>

Reviewed-by: Pouria Pirzadeh <>

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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


Tested-by: Jenkins <>

Reviewed-by: Till Westmann <>

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fixed issue 731, 740, and more

commit 8911cc529e72e2bb544d9b472d6e10f173d173af

Author: Young-Seok <>

Date: Sun May 18 11:28:28 2014 -0700

another fix for picking available index for leftouterjoin plan

commit 9bce43087615fee53613467a027833dd53e190f9

Merge: c8e85ac efab69f

Author: Young-Seok <>

Date: Sun May 11 22:22:10 2014 -0700

merged master to kisskys/left-outer-join-issue branch

commit c8e85aca31545c13b2a02ff6dc259943e2cf66ad

Author: Young-Seok <>

Date: Sun May 11 20:17:17 2014 -0700

changes for left-outer-join to pick available indexes

Change-Id: Ib0fc186bc9388802f95445edee92c428b3bb69cc


Reviewed-by: Inci Cetindil <>

Tested-by: Jenkins <>

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fix application lifecyle mgmt in hyracks nc

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fix the pinned page issue during a node failure

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fix IIndexAccessor interface, add a boolean exclusiveMode parameter for the createSearchCursor method

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fix file write race condition

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disable in-place update for variable-sized updates

use in-place update for smaller sized updates

fix in-place update

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fix the issue found by Genomix P4 algorithm

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fix fault-tolerance and error reporting to handle disk failures

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1. fix the node failure scenario in job scheduler; 2. add fault-tolerance support and tests in pregelix

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avoid btree update code path when the target entry has sufficient space

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add runtime checks to improve pregelix debug-ability

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merge from zheilbron/hyracks_msr

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add runtime checks for out-of-bound reads

insert upon non-existing key

use upsert instead of update

add message overflow support

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Merged master

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fix inl right outer join

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checkin the fixed bulk reload for Sattam to debug

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fix parameters

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for sattam to debug

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add LSM support in pregelix

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refactoring dataflow operators to be more general--suport both b-tree and lsm b-tree

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Pass a boolean argument to the bulkload to decides if checking for an empty index is needed.

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add/update license headers

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