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11 years agoClose cursors when commit(writer). Factor out code.
Hallvard Furuseth [Sat, 4 May 2013 10:33:06 +0000 (12:33 +0200)]
Close cursors when commit(writer). Factor out code.

Close remaining cursors when committing a write txn. The doc says this
happens, and it avoids cursor tracking when updating mainDB + freeDB.

Rename mdb_cursor_merge() -> mdb_cursors_close() for code reuse,
and add a merge option.  Simplify its loop a bit.

Factor out cleanup of DBIs.

11 years agoPlug txn leak and MDB_NOTLS slot leaks on error.
Hallvard Furuseth [Sat, 4 May 2013 10:31:31 +0000 (12:31 +0200)]
Plug txn leak and MDB_NOTLS slot leaks on error.

On mdb_env_copy() error: Abort the txn.
On mdb_txn_renew0() error: Release new MDB_NOTLS reader slot.

11 years agoCleaner "Support mdb_txn_abort(a reset txn)".
Hallvard Furuseth [Sat, 4 May 2013 08:03:19 +0000 (10:03 +0200)]
Cleaner "Support mdb_txn_abort(a reset txn)".

Redo 8a562f560edcc6417672df453c4e626dfb4c4024 so !mt_dbxs indicates
"txn was reset", so mt_numdbs gets one magic value instead of two.

11 years agoUpdate fixes for dbi_open/close, ITS#7515.
Hallvard Furuseth [Sat, 4 May 2013 08:03:19 +0000 (10:03 +0200)]
Update fixes for dbi_open/close, ITS#7515.

Reset me_dbflags[dbi] when closing DBI, to get rid of MDB_VALID flag.
mdb_env_close(): Re-fix DB-name memleak. DBIs > me_numdbs may exist.

11 years agoAllow reading freelist while working on it
Howard Chu [Thu, 2 May 2013 05:43:35 +0000 (22:43 -0700)]
Allow reading freelist while working on it

The circular dependency issues appear to have been resolved.
Still, need to watch closely, maybe revert this change if
problems arise.

11 years agoAvoid assert
Howard Chu [Wed, 1 May 2013 04:09:09 +0000 (21:09 -0700)]
Avoid assert

Due to underfilled branch page. We're in the process of merging/moving
nodes to it because we already know it's underfilled. Took this approach
rather than just removing the assert in mdb_page_search_root, because
that assert may yet catch other situations we don't know about.

(Although, it has been there since the original commit of mdb.c and
has never triggered any other times...)

11 years agoPlug mdb_cursor_renew() memleak
Hallvard Furuseth [Mon, 22 Apr 2013 18:46:56 +0000 (20:46 +0200)]
Plug mdb_cursor_renew() memleak

11 years agoFix MDB_LAST, reset cursor index
Howard Chu [Sun, 21 Apr 2013 02:30:06 +0000 (19:30 -0700)]
Fix MDB_LAST, reset cursor index

11 years agoFix typo from 7aba5f5ab92a3fa92de001edb2c5ff4b04fd7d0d
Howard Chu [Sat, 20 Apr 2013 16:47:33 +0000 (09:47 -0700)]
Fix typo from 7aba5f5ab92a3fa92de001edb2c5ff4b04fd7d0d

11 years agoTweak comments/readability.
Hallvard Furuseth [Thu, 18 Apr 2013 06:00:03 +0000 (08:00 +0200)]
Tweak comments/readability.

Show MDB_PERSISTENT/MDB_VALID/DB_VALID relationship.
mdb_txn_renew0(): Remove obsolete "cannot fail" comment.

11 years agoAdd MDB_NOTLS envflag.
Howard Chu [Thu, 18 Apr 2013 02:17:03 +0000 (04:17 +0200)]
Add MDB_NOTLS envflag.

11 years agoCatch MDB txn reuse/sync errors.
Hallvard Furuseth [Thu, 18 Apr 2013 02:16:07 +0000 (04:16 +0200)]
Catch MDB txn reuse/sync errors.

11 years agoSupport mdb_txn_abort(a reset txn).
Hallvard Furuseth [Thu, 18 Apr 2013 02:15:45 +0000 (04:15 +0200)]
Support mdb_txn_abort(a reset txn).

11 years agoCleanup for TLS key and read-only filesystem.
Hallvard Furuseth [Thu, 18 Apr 2013 02:15:13 +0000 (04:15 +0200)]
Cleanup for TLS key and read-only filesystem.

Move key init into mdb_env_setup_locks().
Don't create unused TLS key when read-only filesystem.
Drop internal flag MDB_ROFS, we can instead test either
!me_txns, !mt_u.reader or me_lfd==INVALID_HANDLE_VALUE.

11 years agoClean up MDB_env setup.
Hallvard Furuseth [Thu, 18 Apr 2013 02:13:43 +0000 (04:13 +0200)]
Clean up MDB_env setup.

Malloc before I/O. Avoids possible malloc error after I/O.
Don't allocate dirty & free lists when MDB_RDONLY.
Factor out code.

11 years agoFix mdb_rebalance
Howard Chu [Wed, 17 Apr 2013 21:33:41 +0000 (14:33 -0700)]
Fix mdb_rebalance

Don't do anything with (fake root) subpages

11 years agoITS#7574 blind fix
Howard Chu [Tue, 16 Apr 2013 19:05:03 +0000 (12:05 -0700)]
ITS#7574 blind fix

Fix 227329c8e1fb818548f1936f5dc1349ffd733523, don't persist
the MDB_VALID bit in db.md_flags.

11 years agofix prev commit
Howard Chu [Mon, 15 Apr 2013 16:30:39 +0000 (09:30 -0700)]
fix prev commit

11 years agoFix mdb_rebalance
Howard Chu [Mon, 15 Apr 2013 06:59:54 +0000 (23:59 -0700)]
Fix mdb_rebalance

Need to check NUMKEYS as well as fill threshold, when deciding
whether to change anything. Don't let the page drop below the
minimum number of keys.

11 years agoRevert "ITS#7570 fix MDB_GET_MULTIPLE and MDB_NEXT_MULTIPLE"
Howard Chu [Sun, 14 Apr 2013 23:53:30 +0000 (16:53 -0700)]
Revert "ITS#7570 fix MDB_GET_MULTIPLE and MDB_NEXT_MULTIPLE"

This reverts commit 372b3ddb85bef953fb548fbf2b9ef0cba4e3c8ed.

Original code works as designed.

11 years agoITS#7570 fix MDB_GET_MULTIPLE and MDB_NEXT_MULTIPLE
Claude Brisson [Wed, 10 Apr 2013 12:40:49 +0000 (14:40 +0200)]
ITS#7570 fix MDB_GET_MULTIPLE and MDB_NEXT_MULTIPLE

11 years agoFix 227329c8e1fb818548f1936f5dc1349ffd73352
Howard Chu [Mon, 8 Apr 2013 02:21:46 +0000 (19:21 -0700)]
Fix 227329c8e1fb818548f1936f5dc1349ffd73352

mdb_dbi_close() must allow any dbi < maxdbs, since opens in an
uncommitted txn don't increment env->me_numdbs.

11 years agoRevert "Fix 6beaad52129da5353fd40c0ec48e6a78c4f71a2e"
Howard Chu [Fri, 5 Apr 2013 10:44:56 +0000 (03:44 -0700)]
Revert "Fix 6beaad52129da5353fd40c0ec48e6a78c4f71a2e"

This reverts commit 8eef7a4275eda8f2fa2e0d1e67c1d5cbcd91607e.
Previous commit was correct, duplicate keys should not appear here.

11 years agoFixes for dbi_open/close, ITS#7515
Howard Chu [Tue, 2 Apr 2013 18:25:44 +0000 (11:25 -0700)]
Fixes for dbi_open/close, ITS#7515

11 years agoITS#7561 Fix mdb_drop bugs
Howard Chu [Thu, 4 Apr 2013 23:16:25 +0000 (16:16 -0700)]
ITS#7561 Fix mdb_drop bugs

Check for overflow pages, reset cursor position properly.

11 years agoFix 6beaad52129da5353fd40c0ec48e6a78c4f71a2e
Howard Chu [Thu, 4 Apr 2013 14:25:21 +0000 (07:25 -0700)]
Fix 6beaad52129da5353fd40c0ec48e6a78c4f71a2e

In APPEND don't immediately reject matching key, since this
is valid for APPENDDUP.

11 years agoFix d3990eb2f8b2944782604a2ca7bd52e08c58fc3e
Howard Chu [Thu, 4 Apr 2013 01:26:41 +0000 (18:26 -0700)]
Fix d3990eb2f8b2944782604a2ca7bd52e08c58fc3e

Append mode should *reject* keys that are too small.
Also allow APPENDDUP in mdb_put().

11 years agoFix rebalance when collapsing root page
Howard Chu [Tue, 2 Apr 2013 03:34:40 +0000 (20:34 -0700)]
Fix rebalance when collapsing root page

When fixing other cursors, must also fix their depth.

11 years agoMore fixes for MDB_LAST
Howard Chu [Tue, 2 Apr 2013 02:49:40 +0000 (19:49 -0700)]
More fixes for MDB_LAST

Make sure C_INITIALIZED gets set on successful call

11 years agoITS#7556 fix cursor_sibling for PREV
Howard Chu [Tue, 2 Apr 2013 02:06:05 +0000 (19:06 -0700)]
ITS#7556 fix cursor_sibling for PREV

11 years agoPlug MDB memory leak of DB names.
Hallvard Furuseth [Sun, 31 Mar 2013 21:50:02 +0000 (23:50 +0200)]
Plug MDB memory leak of DB names.

11 years agoSilence signedness warning
Hallvard Furuseth [Sun, 31 Mar 2013 21:48:10 +0000 (23:48 +0200)]
Silence signedness warning

11 years agoFix MDB_DEBUG compile when no varargs macros.
Hallvard Furuseth [Sun, 31 Mar 2013 21:47:45 +0000 (23:47 +0200)]
Fix MDB_DEBUG compile when no varargs macros.

Variables mdb_debug, mdb_debug_start were used undefined.

11 years agoTweak mode_t def per Hallvard's suggestion
Howard Chu [Sun, 31 Mar 2013 19:56:08 +0000 (20:56 +0100)]
Tweak mode_t def per Hallvard's suggestion

11 years agoMSVC doesn't define mode_t
Howard Chu [Sun, 31 Mar 2013 16:10:43 +0000 (08:10 -0800)]
MSVC doesn't define mode_t

11 years agoFix CURSOR_LAST/CURSOR_PREV
Howard Chu [Fri, 29 Mar 2013 08:08:06 +0000 (01:08 -0700)]
Fix CURSOR_LAST/CURSOR_PREV

11 years agoITS#7553 better fix
Howard Chu [Tue, 26 Mar 2013 18:24:59 +0000 (11:24 -0700)]
ITS#7553 better fix

11 years agoITS#7553 deinit cursor after deleting last node
Howard Chu [Mon, 25 Mar 2013 19:15:53 +0000 (12:15 -0700)]
ITS#7553 deinit cursor after deleting last node

11 years agoSilence stupid warnings
Howard Chu [Mon, 25 Mar 2013 18:53:32 +0000 (11:53 -0700)]
Silence stupid warnings

11 years agobugfix for mdb_cursor_put with MDB_MULTIPLE
Claude Brisson [Fri, 22 Mar 2013 15:00:21 +0000 (16:00 +0100)]
bugfix for mdb_cursor_put with MDB_MULTIPLE

If the variable dkey.mv_size is non-zero, then it means dkey
contains some original data which has to be put back in the
child db, typically when the child db has just been created.

But when using MDB_MULTIPLE, if this variable has not been
reset to zero, we may come back to this section and wrongly
think that there is some original data to be taken care of.

11 years agoITS#7538 fallout from ITS#7536 fix.
Howard Chu [Wed, 13 Mar 2013 00:29:34 +0000 (17:29 -0700)]
ITS#7538 fallout from ITS#7536 fix.

Allow leaf pages to have only 1 key.

11 years agoPrecalculate max size of a node
Howard Chu [Wed, 13 Mar 2013 00:25:49 +0000 (17:25 -0700)]
Precalculate max size of a node

11 years agoFix f97552a83abb085bc44b1b578e550d64c1313a4b
Howard Chu [Mon, 11 Mar 2013 17:28:25 +0000 (10:28 -0700)]
Fix f97552a83abb085bc44b1b578e550d64c1313a4b

Causes Bus Error on SPARC

11 years agoCheck for MADV_RANDOM
Howard Chu [Mon, 11 Mar 2013 13:04:54 +0000 (06:04 -0700)]
Check for MADV_RANDOM

Android supports madvise but not posix_madvise

11 years agoITS#7377 Fix c0f3d9b9a8864e744a8d1eaffc99bc86026d5351
Howard Chu [Mon, 11 Mar 2013 12:59:07 +0000 (05:59 -0700)]
ITS#7377 Fix c0f3d9b9a8864e744a8d1eaffc99bc86026d5351

Add missing parens

11 years agoTurn off readahead on main mmap
Howard Chu [Mon, 11 Mar 2013 12:49:14 +0000 (05:49 -0700)]
Turn off readahead on main mmap

It's harmful when the DB is larger than RAM.

11 years agoITS#7536 fix mdb_rebalance
Howard Chu [Wed, 6 Mar 2013 20:30:37 +0000 (12:30 -0800)]
ITS#7536 fix mdb_rebalance

A page must always have at least 2 keys (unless it's a root page)

11 years agoUse CC/LDFLAGS to link the shared lib
Howard Chu [Mon, 25 Feb 2013 13:06:51 +0000 (05:06 -0800)]
Use CC/LDFLAGS to link the shared lib

11 years agoInstall manpages too
Howard Chu [Mon, 25 Feb 2013 10:02:15 +0000 (02:02 -0800)]
Install manpages too

11 years agoDelete obsolete @todo
Howard Chu [Mon, 25 Feb 2013 07:40:34 +0000 (23:40 -0800)]
Delete obsolete @todo

We do it now... (coalescing freelist entries in page_alloc)

11 years agoAdd sample apps for comparison/education purposes
Howard Chu [Mon, 25 Feb 2013 07:39:17 +0000 (23:39 -0800)]
Add sample apps for comparison/education purposes

11 years agoAdd $(DESTDIR) to make install target
Howard Chu [Mon, 25 Feb 2013 06:50:51 +0000 (06:50 +0000)]
Add $(DESTDIR) to make install target

11 years agoUpdate error code instances
Howard Chu [Wed, 20 Feb 2013 13:08:52 +0000 (05:08 -0800)]
Update error code instances

11 years agoTweak MDB_INCOMPATIBLE description
Hallvard Furuseth [Wed, 20 Feb 2013 11:19:45 +0000 (12:19 +0100)]
Tweak MDB_INCOMPATIBLE description

11 years agoTweak prev commit: Restore if-test as an assert
Hallvard Furuseth [Wed, 20 Feb 2013 08:08:41 +0000 (09:08 +0100)]
Tweak prev commit: Restore if-test as an assert

11 years agoITS#7515 Fix mdb_txn_commit(nested txn).
Hallvard Furuseth [Tue, 19 Feb 2013 21:03:41 +0000 (22:03 +0100)]
ITS#7515 Fix mdb_txn_commit(nested txn).

Don't modify the parent txn until the current txn cannot fail.
Don't assume new dirty child pgnos > dirty parent pgnos.

Page alloc/touch: Fail if child+parent dirty pages would exceed
dirty_list's maxsize. Avoids an error situation in commit.

11 years agoITS#7512 Plug mdb_txn_abort(nested txn) page leaks.
Hallvard Furuseth [Tue, 19 Feb 2013 21:03:04 +0000 (22:03 +0100)]
ITS#7512 Plug mdb_txn_abort(nested txn) page leaks.

Also catch mdb_cursor_shadow() errors.

11 years agoCheck DB flags when refreshing a stale MDB DBI.
Hallvard Furuseth [Tue, 19 Feb 2013 21:02:37 +0000 (22:02 +0100)]
Check DB flags when refreshing a stale MDB DBI.

It's hairy to figure out when a DBI is valid. Catch destructive
user errors, and flags which another process changed under us.

11 years agomdb_cursor_prev,mdb_cursor_next: Fix return value.
Hallvard Furuseth [Tue, 19 Feb 2013 21:02:15 +0000 (22:02 +0100)]
mdb_cursor_prev,mdb_cursor_next: Fix return value.

Return mdb_node_read()'s return value if it fails, not 1.
(Can happen if mdb_page_get() fails and NDEBUG is #defined.)

11 years agoITS#7515 mdb_dbi_open(): Also open in parent txns.
Hallvard Furuseth [Tue, 19 Feb 2013 21:01:29 +0000 (22:01 +0100)]
ITS#7515 mdb_dbi_open(): Also open in parent txns.

This makes aborting nested and non-nested txns more
similar: The new DBI is available to the surrounding
context (parent txn and MDB_env respectively).

11 years agomdb_page_alloc(): Handle freeDB txnid range holes.
Hallvard Furuseth [Tue, 19 Feb 2013 20:17:33 +0000 (21:17 +0100)]
mdb_page_alloc(): Handle freeDB txnid range holes.

A txn writes no freeDB entry if previous txn dropped mainDB and a read
txn prevents freelist entry reuse. This surprised mdb_page_alloc (and
mdb_txn_commit too before 65c053a6e7f6973c1d09710aa1bd57b218206fcb).

11 years agoITS#7517 Document that dirty DBs may not be closed
Hallvard Furuseth [Tue, 19 Feb 2013 20:15:26 +0000 (21:15 +0100)]
ITS#7517 Document that dirty DBs may not be closed

11 years agoITS#7485 Document key/data size limits in lmdb.h.
Hallvard Furuseth [Tue, 19 Feb 2013 20:14:23 +0000 (21:14 +0100)]
ITS#7485 Document key/data size limits in lmdb.h.

mdb.c already describes them. The user doc should too.

11 years agoRevert "ITS#7515 update parent's mt_next_pgno on child commit"
Hallvard Furuseth [Sun, 17 Feb 2013 07:42:14 +0000 (08:42 +0100)]
Revert "ITS#7515 update parent's mt_next_pgno on child commit"

This reverts commit fd4861bf00fb0b86a9f3b80d16cbe363a8eac227.
It duplicated earlier code.

11 years agoITS#7515 update parent's mt_next_pgno on child commit
Howard Chu [Sun, 17 Feb 2013 00:49:53 +0000 (00:49 +0000)]
ITS#7515 update parent's mt_next_pgno on child commit

11 years agoDon't limit retries when coalescing freelist
Howard Chu [Sun, 17 Feb 2013 00:48:43 +0000 (00:48 +0000)]
Don't limit retries when coalescing freelist

Try to use whatever's available.

11 years agoITS#7515 Fix MDB parent/child txn interaction.
Hallvard Furuseth [Sat, 16 Feb 2013 18:11:20 +0000 (19:11 +0100)]
ITS#7515 Fix MDB parent/child txn interaction.

mdb_txn_commit(child): Copy more state. Copy all of mt_dbs:
Include mainDB, and even freeDB since mdb_drop() can update
it. Don't skip DBs with unchanged root, this could break
when the new was newly opened and the old unused junk.

mdb_page_get(): Search parents' dirty lists.

11 years agoITS#7377 Catch MDB failure updating root pointers.
Hallvard Furuseth [Sat, 16 Feb 2013 18:08:54 +0000 (19:08 +0100)]
ITS#7377 Catch MDB failure updating root pointers.

"cannot fail" was wrong, it fails at least when exceeding mapsize.

11 years agoITS#7517 Don't save dropped dirty MDB databases.
Hallvard Furuseth [Sat, 16 Feb 2013 18:08:37 +0000 (19:08 +0100)]
ITS#7517 Don't save dropped dirty MDB databases.

mdb_txn_commit's attempt to save the DB could corrupt another DB if
another thread had called mdb_dbi_open and reused the closed DBI.

11 years agomdb_stat -ff[f]: show contiguous page spans.
Hallvard Furuseth [Sat, 16 Feb 2013 18:07:16 +0000 (19:07 +0100)]
mdb_stat -ff[f]: show contiguous page spans.

11 years agoAdd error code MDB_MAP_RESIZED.
Hallvard Furuseth [Sat, 16 Feb 2013 18:06:28 +0000 (19:06 +0100)]
Add error code MDB_MAP_RESIZED.

11 years agoDon't memmove freelist entry when chunking it
Howard Chu [Thu, 14 Feb 2013 19:20:45 +0000 (19:20 +0000)]
Don't memmove freelist entry when chunking it

Just advance the pointer, now that it's no longer a complex struct

11 years agoITS#7455 Save freelist in single-page chunks
Hallvard Furuseth [Tue, 12 Feb 2013 11:27:59 +0000 (12:27 +0100)]
ITS#7455 Save freelist in single-page chunks

11 years agoFreelist cleanup/streamlining
Hallvard Furuseth [Wed, 23 Jan 2013 14:47:35 +0000 (15:47 +0100)]
Freelist cleanup/streamlining

Drop unneeded definitions, redundant code.

11 years agoITS#7512 Fix MDB page leak when malloc error.
Hallvard Furuseth [Thu, 7 Feb 2013 07:17:30 +0000 (08:17 +0100)]
ITS#7512 Fix MDB page leak when malloc error.

mdb_page_alloc(): Delay moving me_pgfirst,me_pglast
until malloc(MDB_oldpages to hold the IDs) succeeds.

11 years agoRevert "ITS#7515 fix mdb_dbi_open/close"
Howard Chu [Mon, 4 Feb 2013 18:53:17 +0000 (10:53 -0800)]
Revert "ITS#7515 fix mdb_dbi_open/close"

This reverts commit 48dc782ea612f85e8356a50bfbafe22e5be121cf.

11 years agoNULL key is allowed for MDB_CURRENT
Howard Chu [Fri, 1 Feb 2013 14:19:23 +0000 (06:19 -0800)]
NULL key is allowed for MDB_CURRENT

11 years agoITS#7515 fix mdb_dbi_open/close
Howard Chu [Fri, 1 Feb 2013 04:05:48 +0000 (20:05 -0800)]
ITS#7515 fix mdb_dbi_open/close

If a DBI handle is opened by a txn that aborts, the DBI handle
should no longer be valid.

11 years agoITS#7511 make sure cursor is marked valid after successful put
Howard Chu [Tue, 29 Jan 2013 02:45:36 +0000 (18:45 -0800)]
ITS#7511 make sure cursor is marked valid after successful put

11 years agoITS#7505 fix prev commit, partial revert
Howard Chu [Tue, 29 Jan 2013 01:08:24 +0000 (01:08 +0000)]
ITS#7505 fix prev commit, partial revert

11 years agoITS#7505 Fix mdb_update_key when key is too big
Howard Chu [Sun, 27 Jan 2013 17:55:21 +0000 (17:55 +0000)]
ITS#7505 Fix mdb_update_key when key is too big

11 years agoFix MDB_CURRENT updating for dupsort items
Howard Chu [Sat, 26 Jan 2013 18:55:35 +0000 (18:55 +0000)]
Fix MDB_CURRENT updating for dupsort items

11 years agoUpdate MDB comments: Caveats, flags, etc.
Hallvard Furuseth [Wed, 16 Jan 2013 17:42:57 +0000 (18:42 +0100)]
Update MDB comments: Caveats, flags, etc.

11 years agoITS#7485 data sizes limited to 32 bits
Howard Chu [Tue, 15 Jan 2013 12:24:07 +0000 (04:24 -0800)]
ITS#7485 data sizes limited to 32 bits

That's all we have space for in a node record.

11 years agoITS#7485 more size checks
Howard Chu [Mon, 14 Jan 2013 21:46:25 +0000 (13:46 -0800)]
ITS#7485 more size checks

11 years agoITS#7485 check maxkeysize in mdb_cursor_put
Howard Chu [Mon, 14 Jan 2013 21:12:15 +0000 (13:12 -0800)]
ITS#7485 check maxkeysize in mdb_cursor_put

Also MDB_MAXKEYSIZE is redefinable at compile time.

11 years agoOne more rename
Howard Chu [Mon, 14 Jan 2013 20:57:54 +0000 (12:57 -0800)]
One more rename

Forgot this in 98fe3390891c7577e5f2664a091088786da78ffb

11 years agoITS#7491 check for filled dirty page list
Howard Chu [Fri, 11 Jan 2013 19:45:25 +0000 (11:45 -0800)]
ITS#7491 check for filled dirty page list

Very large single transactions will fail. It's not just a problem when
nested transactions are used. We could make this dynamically sized,
but I'm not sure what the point is.

11 years agoHappy New Year
Howard Chu [Thu, 10 Jan 2013 10:58:55 +0000 (02:58 -0800)]
Happy New Year

11 years agoDelete liblmdb/mfree. It has moved into mdb_stat.
Hallvard Furuseth [Wed, 9 Jan 2013 19:49:43 +0000 (20:49 +0100)]
Delete liblmdb/mfree. It has moved into mdb_stat.

11 years agoITS#7455 don't give up so soon
Howard Chu [Wed, 9 Jan 2013 16:30:13 +0000 (08:30 -0800)]
ITS#7455 don't give up so soon

If we're operating on the freelist, see if our current pghead
can satisfy the request before giving up and using new pages.

11 years agoFix typo
Howard Chu [Wed, 19 Dec 2012 21:20:24 +0000 (13:20 -0800)]
Fix typo

11 years agoAdd initial mdb utility manpages
Howard Chu [Wed, 19 Dec 2012 21:09:56 +0000 (13:09 -0800)]
Add initial mdb utility manpages

11 years agoinit_meta should write mapsize
Howard Chu [Wed, 12 Dec 2012 06:21:52 +0000 (22:21 -0800)]
init_meta should write mapsize

Was leaving it 0 initially.

11 years agoUpdate version date
Howard Chu [Wed, 12 Dec 2012 00:01:25 +0000 (16:01 -0800)]
Update version date

11 years agoMake sure init_meta is at beginning of file
Howard Chu [Tue, 11 Dec 2012 20:55:47 +0000 (12:55 -0800)]
Make sure init_meta is at beginning of file

11 years agoMore for prev commit
Howard Chu [Tue, 11 Dec 2012 20:46:17 +0000 (12:46 -0800)]
More for prev commit

Use the latest meta page

11 years agoPartially revert 65d40eb5d2c7c28df05e2c1d9b21d90e2a82e0b5
Howard Chu [Tue, 11 Dec 2012 20:03:19 +0000 (12:03 -0800)]
Partially revert 65d40eb5d2c7c28df05e2c1d9b21d90e2a82e0b5

Allow both increasing and decreasing the environment size.
But don't allow decreasing below the currently occupied space.

11 years agoFIx prev commit
Howard Chu [Tue, 11 Dec 2012 01:21:24 +0000 (17:21 -0800)]
FIx prev commit

11 years agoAdd error checks to txn_commit
Howard Chu [Mon, 10 Dec 2012 20:21:36 +0000 (12:21 -0800)]
Add error checks to txn_commit

These ops could fail if the map is full.