Sears Russell
c1bf2ba7ac
New buffer manager implementation (very simple; just stores pages in memory, addressed via an array of pointers)
2007-03-04 02:46:23 +00:00
Sears Russell
26e5aa3069
truncation.c no longer includes on pageFile.h
2007-03-04 00:36:45 +00:00
Sears Russell
73788eb910
Reworked intialization code, includes to isolate bufferManager
...
implementation from the rest of Stasis.
2007-03-03 01:52:03 +00:00
Sears Russell
6bb126debf
Made "GetPage is stuck!" less obtrusive.
2006-10-04 04:39:58 +00:00
Sears Russell
6f9c6af99c
memoized loadPage() (per thread)
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no longer requires pbl compatibility wrappers
2006-08-10 23:45:25 +00:00
Sears Russell
8a390c40d2
Improved latch profiling, especially for loadPage.
2006-08-04 23:45:27 +00:00
Sears Russell
7888d647ed
Removed unused abort/commit callbacks.
2006-07-26 17:48:36 +00:00
Sears Russell
2a9cb788a6
if LONG_TEST is defined, check for pinned pages on exit.
...
This test is currently implemented inefficiently, otherwise it would always be enabled.
2006-07-25 01:00:46 +00:00
Sears Russell
27f7df6f09
Fixed races on flushedLSN and page->dirty.
2006-06-12 20:05:28 +00:00
Sears Russell
ef43d5e4ce
Implemented log truncation.
2006-04-14 03:45:26 +00:00
Sears Russell
c29b16a6ed
Created new module, bufferPool, and moved memory management for page structs to it.
2006-04-11 20:34:52 +00:00
Sears Russell
84a20a3c96
Started adding error handling code to LLADD.
2005-02-16 04:11:14 +00:00
Sears Russell
b8a67cbfb2
Numerous lock manager fixes; more realistic test case for lock manager, added support for optional page-level locking.(Still need to report deadlocks back up to the caller.)
2005-02-10 03:51:09 +00:00
Sears Russell
54ecc0d3c4
page->dirty is now set correctly (assuming LSN's are updated properly). pageFile.c makes use of this fact by ignoring write requests on clean pages.
2005-02-02 02:12:40 +00:00
Sears Russell
55b0ddf1b6
Fixed nasty bug that was causing the LLADD header to be lost (!!)
2004-12-06 01:20:48 +00:00
Sears Russell
6b265f28b0
Speedups, most notably in the logging subsystem.
2004-10-19 04:45:42 +00:00
Sears Russell
ec1276f26f
Preliminary version of logical logging linear hash. (No latching yet, and there are some bugs re-opening a closed hash.)
2004-10-18 18:24:54 +00:00
Sears Russell
96e7af92a4
Added test cases for Tprepare(), implemented some redo-only operations, and started to clean up record allocation/deallocation.
...
Also, numerous bugfixes.
2004-10-02 07:29:34 +00:00
Sears Russell
b4d7883f66
Fixed regressions, major update of page / slotted interfaces in anticipation of moving LLADD towards a generic transactional page system.
2004-08-17 01:46:17 +00:00
Sears Russell
961b63af15
Rewrote / refactored page.h. Now, it uses a freelist to reclaim slotid's within a page, and is implemented as two seperate modules. The first handles lsn's, and (will soon) check the type of each page, and then delegate work to a particular implementation of the second module.
2004-07-30 01:28:39 +00:00
Sears Russell
78eb2cbf6a
O_DIRECT (sort of...)
2004-07-27 21:30:54 +00:00
Sears Russell
54ba9b0347
Refactored bufferMananger / pageCache, so that bufferMananger handles loading an unloading pages, and pageCache only implements the replacement policy.
...
Also, used memprof to detect and remove all memory leaks (at least all memory leaks that are encountered by check_transactional2), and fixed a number of misuses of the pblHash.
2004-07-27 01:04:35 +00:00
Sears Russell
8cb59f0c23
Blobs are now re-entrant.
2004-07-26 20:37:04 +00:00
Sears Russell
422198418a
bufferMananger is (really!) re-entrant now, performed big refactoring to prevent deadlocks, check_transactional2 ran overnight without coring, w/ 25 threads, and 10000 allocate/write/reads per thread. (The whole test suite was run in a loop...)
2004-07-23 20:21:44 +00:00
Sears Russell
126ae31392
bufferMananger is *really* reentrant now! (I think) However, the same thread may not load a page more than once. So, LLADD has to be altered so that it never calls loadPage() more than once per operation (more efficient), and/or pin/unpin need to be implemented. An easy way to do pin/unpin is to have them pull things out of the cache replacement list, and then re-insert them.
2004-07-21 02:13:28 +00:00
Sears Russell
0ce77903fb
Continuing work on multi-threading. r/w access to buffer manager getting close, but still buggy.
2004-07-20 03:40:57 +00:00
Sears Russell
490dd86c09
pageCache.c is now re-entrant.
2004-07-20 00:15:17 +00:00
Sears Russell
12fc5665ab
pageCache is now re-entrant, in theory.
2004-07-15 00:42:36 +00:00
Sears Russell
9712e291e6
Moved page.h and some of the logging headers out of the public API.
2004-07-14 21:25:59 +00:00
Sears Russell
2b42451280
Cleaning up bufferManager / page for locking. Want to limit access to the Page struct.
2004-07-14 20:49:18 +00:00
Sears Russell
282d284035
Made pageWriteLSN static.
2004-07-09 22:05:33 +00:00
Sears Russell
d564b9ded6
More documentation fixes.
2004-07-06 21:41:33 +00:00
Sears Russell
e1d3bf7a0c
Ported LLADD to Fedora, cleaned up autoconf setup, and numerouse #includes that were problematic.
2004-07-06 01:22:18 +00:00
Sears Russell
f8015a5687
Documentation update, added latch profiling tools.
2004-07-04 00:46:49 +00:00
Sears Russell
af152bd08e
Logwriter can now handler partial log entries correctly (it ignores them)
...
Buffer Mananger no longer steals pages pre-maturely
Alloc is an operation, and correct.
Caching broken out into a new module
Wrote a utility to translate a log file into human-readable ascii.
2004-06-30 01:09:57 +00:00
Sears Russell
c4fac084b8
Cleaned out old cruft, such as commented out code, dead data structures, and dead files. sloccount went from $75,000 to $50,000 on src/lladd. ;)
2004-06-28 22:48:02 +00:00
Sears Russell
fab0e6cbbd
Bugfixes ; blobs pass regression. Next stop: Delete old cruft.
2004-06-28 21:10:10 +00:00
Sears Russell
e083a333b7
Preliminary implementation of blobManager
2004-06-25 18:56:43 +00:00
Sears Russell
d1f76f0b4a
Initial revision
2004-06-24 21:10:31 +00:00
