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30 Commits

Author SHA1 Message Date
Max Neunhoeffer 1782039138 Fix cluster-wide locking for AQL. 2014-12-22 16:21:45 +01:00
Max Neunhoeffer e50a705d9a Squashed commit of the following: organise locking in distributed AQL 
Locking is now done in an extra round after the query is fully
instanciated in the cluster. All participating shards are locked
in alphabetical order of their shard ID (local collection name).
For this to work there is a new action in the RestAqlHandler plus a
mechanism to prevent the usual locking from happening: Each thread has a
thread local static class variable of
  triagens::arango::Transaction::_makeNolockHeaders
which is of type std::unordered_set<std::string>*.
Whenever this is not equal to nullptr and a local collection name is
stored in there, no locking or unlocking takes place. This information
is forwarded by the X-Arango-Nolock HTTP header, whenever an HTTP
request is sent via ClusterComm to a shard.
 2014-12-22 14:40:22 +01:00
Jan Steemann 3269bfe3a9 simpler iteration 2014-10-23 14:43:43 +02:00
Jan Steemann 40e62e95a5 fixed out-of-scheduler-threads issue 2014-10-20 18:27:50 +02:00
Max Neunhoeffer cb75b0b18a Sort out transactions in cluster, part I. 2014-10-17 15:25:46 +02:00
Max Neunhoeffer 7a25f20e23 Fix clone for AqlTransactions. 2014-10-17 11:02:37 +02:00
Max Neunhoeffer d508812ec3 Silence a compiler warning. 2014-10-17 09:09:36 +02:00
Max Neunhoeffer 83ebd46652 Tell AqlTransaction constructor if transaction is main or sub. 
Only lock collections in AqlTransactions that are main ones.
 2014-10-16 23:59:02 +02:00
Max Neunhoeffer a231ca4c82 Finish some changes to transactions in AQL. 2014-10-16 16:46:39 +02:00
Max Neunhoeffer 743d7d127a Snapshot, does not compile, try to sort out transactions in AQL. 2014-10-16 16:41:32 +02:00
Jan Steemann 70c59a61fd removed macro 2014-10-16 16:28:18 +02:00
Jan Steemann dcb9427b6f rewrote transaction contexts 2014-10-16 15:53:28 +02:00
Jan Steemann 0f83d8132f fixed some transaction threading errors 2014-10-06 18:39:01 +02:00
Jan Steemann 573d837561 off-by-one fix 2014-10-02 17:06:12 +02:00
Jan Steemann 3ac25ad56f fixed some issues with remote queries 2014-09-29 12:14:03 +02:00
Max Neunhoeffer cf5e1be91e Version version of HTTP API done. 2014-09-24 16:17:18 +02:00
Jan Steemann ff2334b575 renamed method 2014-09-09 10:40:57 +02:00
Willi Goesgens f4b4c202d2 Transaction: Abort on first error also when invoked through addCollections() 2014-09-08 17:48:00 +02:00
Willi Goesgens 68d30cef8b Transaction: abort initialisation process on error so our internal error state stays sane. 2014-09-08 15:06:30 +02:00
Jan Steemann 1aeed2152c fixed de-serialization 2014-08-21 10:02:30 +02:00
Max Neunhoeffer 5cbbd8a4c4 Fix barrier and documentCollection access in Expressions. 
Still does not link.
 2014-08-05 14:33:54 +02:00
Max Neunhoeffer 96d8dcc054 Major cleanup, not yet working. 2014-08-05 12:29:36 +02:00
Max Neunhoeffer a9dac96bf3 Store AqlValue objects in AqlItemBlocks. 2014-08-05 11:05:24 +02:00
Jan Steemann 7fd236aa4f fixed enumeratecollection block 2014-08-04 17:27:51 +02:00
Jan Steemann 182ab57e8d transaction 2014-08-04 11:15:53 +02:00
Jan Steemann de0b290bcd moved AQL to use AhuacatlTransaction 2013-02-04 11:25:03 +01:00
Jan Steemann ec26305a53 fixed AqlTransaction.h 2013-02-01 17:07:03 +01:00
Jan Steemann 187d8ecc69 some transaction rework 2013-01-08 17:26:16 +01:00
Jan Steemann ad855bd2bd fixed doxygen errors 2012-11-21 18:10:45 +01:00
Jan Steemann 9e40045025 changed document CRUD API signatures 2012-11-14 17:11:16 +01:00