agirbal
0592a5f6d6
SERVER-3167: during final reduce in sharded environment, all results are loaded into an in memory map
2011-06-14 00:11:25 -07:00
agirbal
ebd06a579b
SERVER-2761: Confusing Map / Reduce output when sharded
2011-06-13 16:19:06 -07:00
agirbal
ec68f3c6d5
SERVER-2531: added M/R output to shard collection for mode REPLACE
2011-06-13 14:33:38 -07:00
dwight
37204c7ca0
cleaning and a small insert optimization
2011-05-29 00:31:17 -04:00
agirbal
5cc563b581
- Added option for read only objects in JS invoke method
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- map function uses RO input object which speeds up MR quite a bit
- added a flag in RO objects so that the BSON can be used as is when converting back
2011-05-25 17:41:40 -07:00
dwight
afd23f33f9
make a noreturn version of insert, would be faster unless cmopiler is very smart.
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cleaning in insert()
2011-05-24 10:05:31 -04:00
Aaron
859bb3ad16
SERVER-2977 generate cursor in NamespaceDetailsTransient, and short circuit some simple queries
2011-05-17 22:54:22 -07:00
Aaron
dc922edc31
SERVER-2977 Use query optimizer cursor in map reduce
2011-05-17 12:20:09 -07:00
agirbal
51011c187b
SERVER-2976: added fallback to mixed mode in case an emit key is an object
2011-05-13 16:25:29 -07:00
agirbal
d43037f198
SERVER-3092: M/R threshold for running reduces and dumping data to disk are too low, resulting in more CPU and disk I/O
2011-05-13 16:25:29 -07:00
agirbal
0f391def94
SERVER-2976: added fallback from js to mixed mode, added reduce steps within js mode
2011-05-13 15:00:11 -07:00
agirbal
b7509f5433
SERVER-2976: fix segv in m/r if ns doesnt exist
2011-05-12 11:16:06 -07:00
agirbal
fddb4b44db
SERVER-2976: jsMode now works with inline output
2011-05-12 11:16:06 -07:00
agirbal
dad6b228f7
SERVER-2976: cleaner JS
2011-05-12 11:16:06 -07:00
agirbal
860369c353
SERVER-2976: slightly better js function. Cleanup of js objects.
2011-05-12 11:16:05 -07:00
agirbal
54ca9c202c
Additional M/R output lines
2011-05-12 11:16:05 -07:00
agirbal
acb028bdcd
SERVER-2976: fixed the emit count in js mode
2011-05-12 11:16:05 -07:00
agirbal
d47de50498
fix passing data pointer for native functions with spidermonkey
2011-05-10 20:05:30 -07:00
agirbal
088f11a6d6
fix compile
2011-05-10 19:15:18 -07:00
agirbal
13e71279c9
SERVER-2579: added readonly object for lazy v8 objects, which makes them much faster to access
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SERVER-2976: further implementation of jsMode for M/R. Can be turned on using temp flag jsMode:true
2011-05-10 15:30:02 -07:00
agirbal
8d13203c40
SERVER-2976: added M/R pure jsMode with collection output
2011-05-10 15:30:01 -07:00
agirbal
1725803c20
SERVER-2579: all v8 object creation is now lazy.
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Correct allocation and freeing of underlying C++ object.
Correct ordering of object properties even when new ones are added within JS.
Supports deletion of properties with lazzy wrapper.
Also removed scope->setThis in favor of passing it in the invoke() command.
2011-05-02 16:08:41 -07:00
Eliot Horowitz
df30db031c
better error message in mr
2011-04-20 09:06:43 -04:00
Eliot Horowitz
c2956f1d8b
initialize _dupCount SERVER-2551
2011-03-31 08:23:40 -04:00
Eliot Horowitz
8cd20b51fd
fix m/r handling of undefined SERVER-2861
2011-03-30 03:23:37 -04:00
Aaron
fce112398b
SERVER-1465 remove replica pairs
2011-03-29 16:56:53 -07:00
Eliot Horowitz
ca198bc64f
fix race condition between dropping database or colletion and map/reduce cleanup SERVER-2542
2011-02-12 17:39:44 -05:00
Mathias Stearn
4e77ed6771
Missing commitIfNeeded in mapReduce
2011-02-11 19:27:08 -05:00
Eliot Horowitz
922f614d0f
fix memory leak on exception in State::reduceInMemory SERVER-2522
2011-02-10 00:56:53 -05:00
Mathias Stearn
3174e3fc0d
Don't mix malloc and smart pointers
2011-02-09 23:16:57 -05:00
Eliot Horowitz
e0c8d9a6fc
don't use new[] for boost shared ptr SERVER-2504
2011-02-09 23:03:03 -05:00
agirbal
34f8e800ce
[CACHE-2398]: for inline mapreduce, all emitted objects are kept in RAM before the 1st reduce, potential high memory usage
2011-01-25 15:20:07 -08:00
agirbal
58bbafbc57
[SERVER-2333]: mapreduce: if results are inline vs into collection, it seems the execution may differ (different optimization?)
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This was fixed, now reduce() isnt called for unique keys even when output to collection.
Added many comments all around mr.cpp
2011-01-24 15:07:54 -08:00
Eliot Horowitz
ef2657b9b6
remove Snapshot as it was extraneous
2011-01-24 11:39:12 -05:00
Eliot Horowitz
e2b9ab610d
fix m/r when a sharded connection for a non-sharded collection
2011-01-23 18:42:14 -05:00
Eliot Horowitz
2c5795d620
ability to take a chunk snapshot so you have a consistent view
2011-01-23 02:53:31 -05:00
Eliot Horowitz
32198fddd9
check for un-owned docs for sharded map/reduce
2011-01-22 00:27:28 -05:00
Eliot Horowitz
5d45bcfdd4
better error messages for m/r errors
2011-01-21 14:19:49 -05:00
agirbal
1830f9cb5e
[SERVER-1951]: support for output to other DB with sharding. Test in jstests/sharding/bigMapReduce.js
2011-01-19 00:16:29 -08:00
Eliot Horowitz
593819743e
create index on internal collection before hand so won't block SERVER-2372
2011-01-17 21:56:08 -05:00
Eliot Horowitz
418423388c
handle null finalize in m/r SERVER-2199
2011-01-16 00:51:19 -05:00
Eliot Horowitz
bbf5abc04a
reduce to an empty collection works SERVER-2272
2011-01-16 00:38:18 -05:00
agirbal
80fecd37e3
[SERVER-2286]: change to allow operations on slave if not replSet
2011-01-06 12:48:25 -08:00
agirbal
da0bc29177
[SERVER-1951]: M/R output param should allow us to use db.collection not only collection
2011-01-05 22:06:04 -08:00
Mathias Stearn
49af28aa00
Fix map reduce segfault
2011-01-05 12:43:05 -05:00
agirbal
f5e2323933
[SERVER-2286]: slaveOk is ignored for group() and mapReduce(), these are allowed to run on slave always
2011-01-04 23:17:22 -08:00
Eliot Horowitz
d5d2da55de
if using inline mr, don't put an empty "result" SERVER-2311
2011-01-04 01:52:54 -05:00
Eliot Horowitz
b828d21630
ran astyle SERVER-2304
2011-01-04 00:40:41 -05:00
Eliot Horowitz
b043cc1272
remove unused tempShort
2010-12-21 16:56:18 -05:00
Eliot Horowitz
5801ff1cda
better error handling for wrong types for query/sort SERVER-2228
2010-12-17 11:07:10 -05:00
