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54 commits

Author SHA1 Message Date
Russell Sears
3d707c71b6 fix casts; add missing BEGIN_C_DECLS; designated initializers; libstasis.so now builds + runs under both g++ and gcc! 2013-02-08 18:51:38 -08:00
Gregory Burd
3a559a3b3c merge in changes from svn[r1572..r1601] 
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r1601 | sears.russell@gmail.com | 2012-03-20 18:43:00 -0400 (Tue, 20
Mar 2012) | 1 line

commit bLSM bloom filter to stasis/util, which is where it really
belongs
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r1600 | sears.russell@gmail.com | 2012-03-04 01:58:38 -0500 (Sun, 04
Mar 2012) | 1 line

fix memory leak in skiplist unit test (now it is valgrind clean)
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r1599 | sears.russell@gmail.com | 2012-03-04 01:58:05 -0500 (Sun, 04
Mar 2012) | 1 line

fix typo in finalize type
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r1598 | sears.russell@gmail.com | 2012-03-04 00:59:59 -0500 (Sun, 04
Mar 2012) | 1 line

add comparator and finalizer parameters to skiplist constructor
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r1597 | sears.russell@gmail.com | 2012-03-03 18:23:16 -0500 (Sat, 03
Mar 2012) | 1 line

bugfixes for skiplist
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r1596 | sears.russell@gmail.com | 2012-03-02 15:05:07 -0500 (Fri, 02
Mar 2012) | 1 line

updated concurrentSkipList.  Seeing strange crashes
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r1595 | sears.russell@gmail.com | 2012-03-01 16:51:59 -0500 (Thu, 01
Mar 2012) | 1 line

add progress reports
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r1594 | sears.russell@gmail.com | 2012-02-28 13:17:05 -0500 (Tue, 28
Feb 2012) | 1 line

experimental support for automatic logfile preallocation
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r1593 | sears.russell@gmail.com | 2012-02-28 12:10:01 -0500 (Tue, 28
Feb 2012) | 1 line

add histogram reporting to rawIOPS benchmark
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r1592 | sears.russell@gmail.com | 2012-02-24 16:31:36 -0500 (Fri, 24
Feb 2012) | 1 line

userspace raid 0 implementation
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r1591 | sears.russell@gmail.com | 2012-02-12 01:47:25 -0500 (Sun, 12
Feb 2012) | 1 line

add skiplist unit test, fix compile warnings
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r1590 | sears.russell@gmail.com | 2012-02-12 00:52:52 -0500 (Sun, 12
Feb 2012) | 1 line

fix compile error
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r1589 | sears.russell@gmail.com | 2012-02-12 00:50:21 -0500 (Sun, 12
Feb 2012) | 1 line

fix some bugs in hazard.h surrounding thread list management and
overruns of R under high contention
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r1588 | sears.russell@gmail.com | 2012-02-11 14:23:10 -0500 (Sat, 11
Feb 2012) | 1 line

add hazard pointer for get_lock.  It was implicitly blowing away the
hazard pointer protecting y in the caller
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r1587 | sears.russell@gmail.com | 2012-02-10 18:51:25 -0500 (Fri, 10
Feb 2012) | 1 line

fix null pointer bug
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r1586 | sears.russell@gmail.com | 2012-02-10 18:03:39 -0500 (Fri, 10
Feb 2012) | 1 line

add simple refcounting scheme to concurrentSkipList.  This solves the
problem where a deleted node points to another deleted node, and we
only have a hazard pointer for the first node.
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r1585 | sears.russell@gmail.com | 2012-02-10 14:19:14 -0500 (Fri, 10
Feb 2012) | 1 line

add hazard pointers for update using the smallest free slot first.  The
old method left a race condition, since hazard_scan stops at the first
null pointer.
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r1584 | sears.russell@gmail.com | 2012-02-10 02:45:30 -0500 (Fri, 10
Feb 2012) | 1 line

add hazard pointers for update array
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r1583 | sears.russell@gmail.com | 2012-02-10 00:04:50 -0500 (Fri, 10
Feb 2012) | 1 line

skiplist update: concurrent, but broken
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r1582 | sears.russell@gmail.com | 2012-02-09 17:44:27 -0500 (Thu, 09
Feb 2012) | 1 line

skip list implementation.  Not concurrent yet.
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r1581 | sears.russell@gmail.com | 2012-02-08 13:33:29 -0500 (Wed, 08
Feb 2012) | 1 line

Commit of a bunch of new, unused code: KISS random number generator,
Hazard Pointers, SUX latches (untested) and bit twiddling for
concurrent b-tree
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r1580 | sears.russell@gmail.com | 2012-01-17 19:17:37 -0500 (Tue, 17
Jan 2012) | 1 line

fix typo
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r1579 | sears.russell@gmail.com | 2012-01-11 18:33:31 -0500 (Wed, 11
Jan 2012) | 1 line

static build fixes for linux.  hopefully these do not break macos...
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r1578 | sears.russell@gmail.com | 2012-01-09 19:13:34 -0500 (Mon, 09
Jan 2012) | 1 line

fix cmake under linux
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r1577 | sears.russell@gmail.com | 2012-01-09 18:37:15 -0500 (Mon, 09
Jan 2012) | 1 line

fix linux static binary compilation bugs
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r1576 | sears.russell | 2012-01-09 18:00:08 -0500 (Mon, 09 Jan 2012) |
1 line

port to macos x
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r1575 | sears.russell | 2012-01-09 17:39:43 -0500 (Mon, 09 Jan 2012) |
1 line

add missing _ from sync call name
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r1574 | sears.russell@gmail.com | 2012-01-09 14:26:31 -0500 (Mon, 09
Jan 2012) | 1 line

add -rt flag to static builds
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r1573 | sears.russell@gmail.com | 2011-12-20 23:38:29 -0500 (Tue, 20
Dec 2011) | 1 line

Simple makefile geared toward building libstasis.so and libstasis.a
(and nothing else)
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r1572 | sears.russell@gmail.com | 2011-12-20 22:37:54 -0500 (Tue, 20
Dec 2011) | 1 line

add some missing #include<config.h> lines
 2012-04-21 12:52:31 -04:00
Sears Russell
7f332f85cc fix deadlock in filePool logger. The deadlock was due to pages being evicted before Tupdate() released the log entry for writeback. Now, we track another timestamp, so that Tupdate() starts with something analogous to a writelock, and downgrades it to a readlock before pinning pages, and invoking callbacks 2011-07-15 17:37:50 +00:00
Sears Russell
377788a13e move a bunch of multiplexer and lsm related stuff into experimental/ directory 2011-06-13 06:58:34 +00:00
Sears Russell
c5a36c032d remove compensations.h (This is a big change, and impacts lots of whitespace. I have left some indentation breakage in place in order to minimize the size of the diff) 2011-06-12 08:13:34 +00:00
Sears Russell
1b71865b7d minor log fixes. add stasis_log_chunk_name flag. 2011-04-20 21:50:56 +00:00
Sears Russell
84bbeca165 filePool implementation is more-or-less complete. added remaining functions and latching 2011-04-19 18:51:43 +00:00
Sears Russell
e1201970b6 add firstPendingEntry call to log API, use finer grained latches in Tupdate(). 2011-04-01 17:25:46 +00:00
Sears Russell
b20cd8cd0f document the fact that LSN 0 is reserved 2011-03-25 20:24:40 +00:00
Sears Russell
e7280de51f add ints to enum definition 2011-03-21 21:25:32 +00:00
Sears Russell
dbf253275f fix nested top action log race; because of a refactoring mistake, it was releasing a mutex without acquiring it... 2010-01-21 20:27:35 +00:00
Sears Russell
b1f7d1947a more log refactoring. safeWrites now holds a latch across reserve_entry, write_entry, and write_entry_done 2010-01-19 02:14:09 +00:00
Sears Russell
d71e248291 removed freeLogEntry 2010-01-11 20:41:59 +00:00
Sears Russell
1af589dd18 remove malloc and memcpy from the in_memory_log read path 2009-12-31 23:25:56 +00:00
Sears Russell
1409a9eb27 more refactoring; log handles now manage their log entries memory 2009-12-31 23:01:37 +00:00
Sears Russell
a5788688c8 refactor getUpdateArgs; remove a bunch of casts, fix a bunch of warnings 2009-12-31 20:20:47 +00:00
Sears Russell
9aa1d9d652 pull memcpy out of allocUpdateEntry() 2009-12-31 19:30:40 +00:00
Sears Russell
32e40c949d added log modes to sequentialThroughput benchmark, added methods for concurrent appends to log api (and stubbed them out) 2009-12-31 19:02:34 +00:00
Sears Russell
7ff80f37ef add deferred, end of transaction callbacks. addresses issue 15 2009-12-15 06:30:37 +00:00
Sears Russell
e6a718a7f9 improved concurrency for transaction table 2009-10-15 20:11:43 +00:00
Sears Russell
4565aff9de more refactoring; no more globals in transactionTable.c 2009-10-14 21:22:50 +00:00
Sears Russell
dbe3ecf0d0 refactoring transaction table; moved implementation into its own file. still need to remove globals 2009-10-14 18:57:50 +00:00
Sears Russell
20a3fe9df5 add support for soft commits, and making prior soft commits durable 2009-10-12 19:16:41 +00:00
Sears Russell
942ba7fffc bugfixes + support for hard limits on log size 2009-10-08 22:48:58 +00:00
Sears Russell
4689582cb5 improve log performance by disabling O_SYNC by default (and use fdatasync instead) 2009-09-12 16:20:13 +00:00
Sears Russell
1ce1496226 dependency cleanups; removed compenastions from alloc.c 2009-08-22 00:01:02 +00:00
Sears Russell
081c61b414 cleaned up includes, autoconf is now optional, since cmake now creates a config.h 2009-07-26 18:51:45 +00:00
Sears Russell
4493dbb88b Added support for segment based recovery. For now, Stasis doesn't support hybrid recovery, so mixing page deallocation and segments will make recovery corrupt data / segfault. 2009-07-13 17:18:01 +00:00
Sears Russell
73c4b4fb71 Fix for Issue 1. Reworked log format so that nested top actions do not need to look up old entries during forward operation. This saves log bandwidth and avoids the bug that caused the performance regression 2009-05-14 21:28:09 +00:00
Sears Russell
3ff75ff568 made pass over log documentation 2009-05-13 22:06:58 +00:00
Sears Russell
87218ad929 yet another refactoring; broke groupForce into its own module, removed more static variables and namespace violations 2009-05-13 18:04:53 +00:00
Sears Russell
b5b414490a fix config.h error for installed copies of stasis 2009-04-29 21:31:39 +00:00
Sears Russell
55c43358b6 fix recovery bug due to interactions between truncation and the old CLR format. check_faultInjection should now pass. 2009-04-22 22:03:38 +00:00
Sears Russell
731da7456a more eclipse refactoring; cleaned up some names, whitespace and documentation 2009-04-13 22:50:12 +00:00
Sears Russell
4b07b538a6 Renamed some methods; fixed bug that caused recovery to create potentially unbounded numbers of concurrent, active transactions. 
(Note: this commit contains quite a few instances of auto-cleaned whitespace....)
 2009-04-11 17:17:42 +00:00
Sears Russell
05077b62fd nested top action cleanup and bugfix; subsequent recovery calls could undo logical undos in some circumstances 2009-04-03 22:01:37 +00:00
Sears Russell
83ad15b6d0 more benchmarks; transactions can now be multithreaded 2009-03-20 11:36:27 +00:00
Sears Russell
d413bb27f3 support for lsn-free writeback; partial benchmark code for submission 2009-03-19 03:36:13 +00:00
Sears Russell
b1f44ab005 added simplistic support for log reordering 2009-03-16 08:11:49 +00:00
Sears Russell
bd2015443f expose nextAvailableLSN for lsn-free pages 2009-03-15 02:43:09 +00:00
Sears Russell
95e9158847 checkin partially implemented log based on file pool so that svn will compile 2009-01-05 21:57:33 +00:00
Sears Russell
93885a3ab4 removed static variables from logWriter.c 2008-12-29 23:05:13 +00:00
Sears Russell
5ba41bb3cb renamed logWriter.[ch] to safeWrites.[ch] 2008-12-29 20:01:37 +00:00
Sears Russell
6f809b00e2 renamed open/deleteLogWriter 2008-12-29 19:46:51 +00:00
Sears Russell
c6564e67c7 documentation update; eliminated some dead code 2008-12-02 19:39:20 +00:00
Sears Russell
2dcc6598d2 added support for softcommit, and for compile / runtime configuration of stasis log + storefile locations 2008-12-01 22:45:32 +00:00
Sears Russell
17d4bb3ed4 log refactoring 2008-12-01 19:48:59 +00:00
Sears Russell
cafd05f9bd moved legacy buffer manager into its own directory 2008-11-13 20:08:37 +00:00
Sears Russell
6d17442380 Major refactoring: 
- Changed operations to take only two arguments
     - No more hacks regarding log argument sizes

     - Set pageid = INVALID_PAGE if you want a logical operation

  - Ported operation implementations to new api; exposed + fixed a number of concurrency bugs

  - More fixes to prepare

  - Fixed to nested top actions

  - More coherent operations api / recovery implmentation

  - TnaiveHash* and Tinstant* are (and were already) broken, and are set for removal

  - Removed some instances of fail_unless

  - Fixed design flaws in blob implementation.

  - New naming convention for operation callback functions.
 2008-09-28 03:11:24 +00:00
Sears Russell
944c7e984f fixes / cleanups of Tprepare() 2008-09-24 03:08:32 +00:00