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10 years agoAdd mdb_dbg_pgno(): (sub)pagenum for debug output.
Hallvard Furuseth [Sun, 29 Dec 2013 14:09:51 +0000 (15:09 +0100)]
Add mdb_dbg_pgno(): (sub)pagenum for debug output.

10 years agoITS#7772 Reduce spurious sub-page growth.
Hallvard Furuseth [Sun, 29 Dec 2013 14:09:05 +0000 (15:09 +0100)]
ITS#7772 Reduce spurious sub-page growth.

mdb_cursor_put(): Use free sub-page space added by a
previous put(existing DUPSORT item), if any.
Tweak NUMKEYS code to avoid a new signedness warning.

10 years agoITS#7665 Drop lmdb.h doc on non-overlapping flags.
Hallvard Furuseth [Sun, 29 Dec 2013 13:54:17 +0000 (14:54 +0100)]
ITS#7665 Drop lmdb.h doc on non-overlapping flags.

It was inaccurate and misplaced. Verify it in mdb.c instead.

10 years agoITS#7515 has been fixed.
Hallvard Furuseth [Sun, 29 Dec 2013 13:52:30 +0000 (14:52 +0100)]
ITS#7515 has been fixed.

10 years agoDrop UNLOCK_MUTEX_R() on mdb_reader_pid() error
Hallvard Furuseth [Sun, 29 Dec 2013 13:52:30 +0000 (14:52 +0100)]
Drop UNLOCK_MUTEX_R() on mdb_reader_pid() error

10 years agoFix commit "Raise safe max MDB_MAXKEYSIZE."
Hallvard Furuseth [Sat, 21 Dec 2013 11:31:57 +0000 (12:31 +0100)]
Fix commit "Raise safe max MDB_MAXKEYSIZE."

I.e. d69d2ce2307e9d0e2167843935c386b05a869c31, it left out some changes.

10 years agoReplace MDB_node.mn_offset[], to ease debugging.
Hallvard Furuseth [Wed, 11 Dec 2013 10:57:13 +0000 (11:57 +0100)]
Replace MDB_node.mn_offset[], to ease debugging.

10 years agoComment MDB_node, mdb_page_unspill, mdb_update_key
Hallvard Furuseth [Wed, 11 Dec 2013 10:57:13 +0000 (11:57 +0100)]
Comment MDB_node, mdb_page_unspill, mdb_update_key

10 years agoFix mdb_reader_list() and its spec.
Hallvard Furuseth [Wed, 11 Dec 2013 10:57:13 +0000 (11:57 +0100)]
Fix mdb_reader_list() and its spec.

It and the MDB_msg_func can now return >= 0 for success.
Always return any MDB_msg_func() error result.

10 years agoSupport dynamic max MDB keysize.
Hallvard Furuseth [Wed, 11 Dec 2013 10:57:13 +0000 (11:57 +0100)]
Support dynamic max MDB keysize.

10 years agoRaise safe max MDB_MAXKEYSIZE.
Hallvard Furuseth [Wed, 11 Dec 2013 10:57:13 +0000 (11:57 +0100)]
Raise safe max MDB_MAXKEYSIZE.

Use a sub-DB for DUPSORT item #1/#2 per key if needed: Not a sub-
page too big for a node, nor an overflow page (which not all DUPSORT
code checks for). Move "insert" code, to avoid non-loop goto upwards.

(This is the commit which needs the change to xdata.mv_size in
commit 9d6e4a916367e85ffdf37b1cb7b5cdb7ac0e15b5 "page sizes".)

10 years agoRelax MDB_MAXKEYSIZE for existing data.
Hallvard Furuseth [Wed, 11 Dec 2013 10:57:12 +0000 (11:57 +0100)]
Relax MDB_MAXKEYSIZE for existing data.

Handle keys stored by a liblmdb with a bigger MDB_MAXKEYSIZE.
mdb_get/mdb_del(absent key bigger than our MDB_MAXKEYSIZE)
now return MDB_NOTFOUND instead of MDB_BAD_VALSIZE.

10 years agoITS#7589 Fix me_nodemax and related node sizes.
Hallvard Furuseth [Wed, 11 Dec 2013 10:57:12 +0000 (11:57 +0100)]
ITS#7589 Fix me_nodemax and related node sizes.

Change me_nodemax to not count the mp_ptrs[] entry. That's mostly
how it was used. Compare node sizes ">" me_nodemax instead of ">=".
The ">=" was a workaround for confusing sizes with and without the
mp_ptrs[] entry, but broke for nodes with size (old me_nodemax-1).

Explicitly make me_nodemax even. An odd value could break the
comparisons. It was even anyway because MDB_MINKEYS == 2.

10 years agoITS#7589 Fix delete(uneven-sized MDB_DUPFIXED data).
Hallvard Furuseth [Wed, 11 Dec 2013 10:57:12 +0000 (11:57 +0100)]
ITS#7589 Fix delete(uneven-sized MDB_DUPFIXED data).

Do not give uneven sizes to the sub-page and the node it lives in.

10 years agoput(MDB_MULTIPLE): Skip existing item cleanly.
Hallvard Furuseth [Wed, 11 Dec 2013 10:57:12 +0000 (11:57 +0100)]
put(MDB_MULTIPLE): Skip existing item cleanly.

Don't set dkey.mv_size if mdb won't clear it before next iteration.

10 years agoAdd EVEN(): Micro-optimize "up to multiple of 2".
Hallvard Furuseth [Wed, 11 Dec 2013 10:57:12 +0000 (11:57 +0100)]
Add EVEN(): Micro-optimize "up to multiple of 2".

10 years agoWarning cleanup.
Hallvard Furuseth [Wed, 11 Dec 2013 10:57:12 +0000 (11:57 +0100)]
Warning cleanup.

Drop unused computed/assigned values.
mdb_page_alloc(): Make "mop_len>0 implies mop!=NULL" provable.

10 years agoClean up mdb_copy.
Hallvard Furuseth [Wed, 11 Dec 2013 10:57:12 +0000 (11:57 +0100)]
Clean up mdb_copy.

Support MDB_NOSUBDIR. Catch more errors.  Write messages
to stderr, not stdout which the data too may be piped to.

10 years agoFix GET_BOTH_RANGE
Howard Chu [Thu, 5 Dec 2013 02:42:49 +0000 (18:42 -0800)]
Fix GET_BOTH_RANGE

On near match, return the matched data.

10 years agoITS#7756 keysizes were wrong in mdb_update_key
Howard Chu [Sat, 30 Nov 2013 01:03:49 +0000 (17:03 -0800)]
ITS#7756 keysizes were wrong in mdb_update_key

10 years agoDoc tweak
Howard Chu [Tue, 12 Nov 2013 16:10:33 +0000 (08:10 -0800)]
Doc tweak

Measured perf cost of meminit was 7% worst case on an Intel Core2
system. YMMV.

10 years agoBump to 0.9.10
Howard Chu [Tue, 12 Nov 2013 04:15:54 +0000 (20:15 -0800)]
Bump to 0.9.10

10 years agoWindows/Win64/MSVC tweaks
Howard Chu [Tue, 12 Nov 2013 04:08:26 +0000 (20:08 -0800)]
Windows/Win64/MSVC tweaks

Silence warnings, fix broken MinGW64 definitions, etc.

10 years agoClarify WRITEMAP / NOMEMINIT
Howard Chu [Tue, 12 Nov 2013 00:35:17 +0000 (16:35 -0800)]
Clarify WRITEMAP / NOMEMINIT

10 years agoChange default mem init behavior
Howard Chu [Mon, 11 Nov 2013 23:09:32 +0000 (15:09 -0800)]
Change default mem init behavior

Init malloc'd memory by default, use #MDB_NOMEMINIT to disable.
Bump version to 0.9.10

10 years agoAdd MDB_CLEANMEM option.
Hallvard Furuseth [Thu, 7 Nov 2013 22:41:30 +0000 (23:41 +0100)]
Add MDB_CLEANMEM option.

Initialize unused portions of DB pages, for security or to silence
checkers like Purify and Valgrind. Like BDB configure --enable-umrw.

10 years agoFix MDB_MAXKEYSIZE doc: Account for MDB_DUPSORT.
Hallvard Furuseth [Thu, 7 Nov 2013 22:38:15 +0000 (23:38 +0100)]
Fix MDB_MAXKEYSIZE doc: Account for MDB_DUPSORT.

A node may need room for [key, subpage with 2 items] = 3 keys.

10 years agoITS#7713 Handle bigger OS page sizes
Hallvard Furuseth [Thu, 7 Nov 2013 22:38:15 +0000 (23:38 +0100)]
ITS#7713 Handle bigger OS page sizes

Use DB page size = min(32k, OS pagesize).  Previous limit was 8k
(MDB_MINKEYS*MDB_PAGESIZE).

Handle DB pagesize < OS pagesize. That's an I/O pessimization,
but transactions remain atomic: Only writing the MDB_meta must
be atomic, and it fits in one OS page.

Don't truncate desired subpage size: Asssign it to a size_t
(mv_size), not an uint16_t (mp_upper).

10 years agomdb_cursor_put(): Factor out code. Kill a label.
Hallvard Furuseth [Thu, 7 Nov 2013 22:38:15 +0000 (23:38 +0100)]
mdb_cursor_put(): Factor out code. Kill a label.

10 years agoFix prev commit, cursor depth comparison
Howard Chu [Thu, 7 Nov 2013 17:37:48 +0000 (09:37 -0800)]
Fix prev commit, cursor depth comparison

10 years agoFix cursor_del0 cursor fixup
Howard Chu [Thu, 7 Nov 2013 00:49:25 +0000 (16:49 -0800)]
Fix cursor_del0 cursor fixup

Skip cursors that aren't as deep as current cursor

10 years agoMore for #7589
Howard Chu [Tue, 5 Nov 2013 04:00:55 +0000 (20:00 -0800)]
More for #7589

10 years agoITS#7589 another mdb_page_split fix
Howard Chu [Fri, 1 Nov 2013 00:31:15 +0000 (17:31 -0700)]
ITS#7589 another mdb_page_split fix

Tweak split_indx check, go one slot further.

10 years agoITS#7736 fix regression in ITS#7733 patch
Howard Chu [Thu, 31 Oct 2013 23:01:04 +0000 (16:01 -0700)]
ITS#7736 fix regression in ITS#7733 patch

In d8eccb353b1be7f07e74149dde9a41bb199d74e8

10 years agoITS#7733 check cursor index before cursor_del
Howard Chu [Mon, 28 Oct 2013 14:25:54 +0000 (07:25 -0700)]
ITS#7733 check cursor index before cursor_del

10 years agoITS#7734 Add MDB_NORDAHEAD to CHANGELESS.
David Wilson [Mon, 28 Oct 2013 13:58:04 +0000 (06:58 -0700)]
ITS#7734 Add MDB_NORDAHEAD to CHANGELESS.

10 years agoBump to 0.9.9
Howard Chu [Thu, 24 Oct 2013 22:57:17 +0000 (15:57 -0700)]
Bump to 0.9.9

10 years agoAdd mdb_env_get_fd()
Howard Chu [Mon, 21 Oct 2013 17:29:38 +0000 (10:29 -0700)]
Add mdb_env_get_fd()

Return the environment's filedescriptor. Useful when the caller
is doing their own locking.

10 years agoFix 01dfb2083dd690707a062cabb03801bfad1a6859
Howard Chu [Mon, 14 Oct 2013 16:47:26 +0000 (09:47 -0700)]
Fix 01dfb2083dd690707a062cabb03801bfad1a6859

USE_POSIX_SEM must define USE_HASH

10 years agoITS#7725 add MDB_NORDAHEAD flag for env_open
Howard Chu [Sat, 12 Oct 2013 23:20:04 +0000 (16:20 -0700)]
ITS#7725 add MDB_NORDAHEAD flag for env_open

10 years agoITS#7589 silence warnings
Howard Chu [Sat, 12 Oct 2013 20:40:28 +0000 (13:40 -0700)]
ITS#7589 silence warnings

10 years agoITS#7589 Fix typo in prev commit
Howard Chu [Sat, 12 Oct 2013 20:31:09 +0000 (13:31 -0700)]
ITS#7589 Fix typo in prev commit

10 years agoITS#7589 Cleanup unneeded vars in prev patch
Howard Chu [Sat, 12 Oct 2013 20:19:33 +0000 (13:19 -0700)]
ITS#7589 Cleanup unneeded vars in prev patch

10 years agoITS#7589 avoid wasting space in mdb_page_split
Howard Chu [Sat, 12 Oct 2013 16:34:40 +0000 (09:34 -0700)]
ITS#7589 avoid wasting space in mdb_page_split

Also, check the split point on branch pages as well as leaf pages.

10 years agoAdd MDB_USE_HASH
Howard Chu [Fri, 4 Oct 2013 17:22:14 +0000 (10:22 -0700)]
Add MDB_USE_HASH

There may be other uses for it besides semaphore names.

10 years agoITS#7722 fix page_merge for collapsing root
Howard Chu [Wed, 9 Oct 2013 09:24:45 +0000 (02:24 -0700)]
ITS#7722 fix page_merge for collapsing root

Other cursors being fixed up are not necessarily height 1.

10 years agoITS#7718 invalidate cursor when DB gets emptied
Howard Chu [Tue, 8 Oct 2013 11:43:58 +0000 (04:43 -0700)]
ITS#7718 invalidate cursor when DB gets emptied

10 years agoFix mdb_env_set_mapsize()
Howard Chu [Fri, 4 Oct 2013 09:55:34 +0000 (02:55 -0700)]
Fix mdb_env_set_mapsize()

Don't allow shrinking below minimum size for an already open env.

10 years agoITS#7715 always set filesize for WRITEMAP
Howard Chu [Fri, 4 Oct 2013 09:46:38 +0000 (02:46 -0700)]
ITS#7715 always set filesize for WRITEMAP

10 years agoAdd Caveat: Readers need write access. Whitespace.
Hallvard Furuseth [Thu, 3 Oct 2013 22:48:19 +0000 (00:48 +0200)]
Add Caveat: Readers need write access. Whitespace.

10 years agoMaintain MDB_cursor.mc_top
Hallvard Furuseth [Thu, 3 Oct 2013 21:59:25 +0000 (23:59 +0200)]
Maintain MDB_cursor.mc_top

10 years agomdb_cursor_sibling(): Fix error result
Hallvard Furuseth [Thu, 3 Oct 2013 21:59:25 +0000 (23:59 +0200)]
mdb_cursor_sibling(): Fix error result

10 years agomdb_node_add(): Plug page leak when MDB_PAGE_FULL.
Hallvard Furuseth [Thu, 3 Oct 2013 21:59:25 +0000 (23:59 +0200)]
mdb_node_add(): Plug page leak when MDB_PAGE_FULL.

Do not fail after mdb_page_new() succeeds.

10 years agoOptimize code holding reader mutex
Hallvard Furuseth [Thu, 3 Oct 2013 21:59:24 +0000 (23:59 +0200)]
Optimize code holding reader mutex

10 years agoSet MDB_xcursor DB_DIRTY, clear md_name.
Hallvard Furuseth [Thu, 3 Oct 2013 21:59:24 +0000 (23:59 +0200)]
Set MDB_xcursor DB_DIRTY, clear md_name.

Both were unused and md_name was unmaintained -- except
mdb_cursor_touch(xcursor) would abuse md_name as a key to
touch MAIN_DBI if it could somehow get passed ! DB_DIRTY.

10 years agoSet subDB DBI=parent DBI, fix MDB_DUPSORT delete.
Hallvard Furuseth [Thu, 3 Oct 2013 21:59:24 +0000 (23:59 +0200)]
Set subDB DBI=parent DBI, fix MDB_DUPSORT delete.

xcursor DBIs were parent DBI+1 for debugging. Instead output
-(parent DBI).  Fixes a crash in mdb_cursor_del0()'s xcursor
tracking, it forgot to subtract 1 for C_SUB cursors.

10 years agos/MDB_NORDLOCK/MDB_NOLOCK/
Howard Chu [Thu, 3 Oct 2013 17:26:44 +0000 (10:26 -0700)]
s/MDB_NORDLOCK/MDB_NOLOCK/

Leave all lock management to the caller.

10 years agoMore doc for MDB_NORDLOCK
Howard Chu [Wed, 2 Oct 2013 06:36:57 +0000 (23:36 -0700)]
More doc for MDB_NORDLOCK

10 years agoAdd MDB_NORDLOCK to omit all reader table usage
Howard Chu [Tue, 1 Oct 2013 20:16:38 +0000 (13:16 -0700)]
Add MDB_NORDLOCK to omit all reader table usage

Calling app wants to manage its own locking.

10 years agoDrop unneeded code.
Hallvard Furuseth [Mon, 23 Sep 2013 18:21:11 +0000 (20:21 +0200)]
Drop unneeded code.

MDB_txn.mt_toggle: Use (mt_txnid & 1) instead.
Drop error checks which will be repeated.
mdb_cursor_set(): Turn assert into if/return to match the above.
mdb_cursor_del(): 'flags' are now used as bitflags.

10 years agoClean up and simplify mdb_page_search().
Hallvard Furuseth [Mon, 23 Sep 2013 18:21:11 +0000 (20:21 +0200)]
Clean up and simplify mdb_page_search().

Only named DBs can have DB_STALE, and they do not use MDB_PS_MODIFY.
Replace magic key values with flags.  Drop duplicated comments at
mdb_page_search_root() vs. mdb_page_search(), and rephrase.

10 years agoTweak MDB_DEBUG output
Hallvard Furuseth [Mon, 23 Sep 2013 18:20:42 +0000 (20:20 +0200)]
Tweak MDB_DEBUG output

10 years agoRename SWAP() to avoid conflict with sqlightning.
Hallvard Furuseth [Mon, 23 Sep 2013 18:20:05 +0000 (20:20 +0200)]
Rename SWAP() to avoid conflict with sqlightning.

Happened since sqlightning #includes mdb.c, midl.c.

10 years agomdb_page_unspill(): Rename local vars.
Hallvard Furuseth [Mon, 23 Sep 2013 18:13:27 +0000 (20:13 +0200)]
mdb_page_unspill(): Rename local vars.

The names have caused bugs, "txn" was treated as
the current transaction.

10 years agoITS#7515 Fix mdb_page_unspill() in nested txn.
Hallvard Furuseth [Mon, 23 Sep 2013 18:13:27 +0000 (20:13 +0200)]
ITS#7515 Fix mdb_page_unspill() in nested txn.

Malloc a page in this txn, not in a parent.

10 years agoITS#7515 Fix mdb_txn_commit(nested txn with spills).
Hallvard Furuseth [Mon, 23 Sep 2013 18:13:27 +0000 (20:13 +0200)]
ITS#7515 Fix mdb_txn_commit(nested txn with spills).

Catch malloc error.
Fix hunt for dirty vs spilled pages: Don't leave x at a deleted pageno.
Cleanup: Factor out variables, squash pages already marked for deletion.

10 years agoITS#7515 Fix mt_dirty_room in nested txns.
Hallvard Furuseth [Mon, 23 Sep 2013 18:13:27 +0000 (20:13 +0200)]
ITS#7515 Fix mt_dirty_room in nested txns.

Fix description & code: Also ignore dirty pages hidden by
spilled pages, as they won't merge into our dirty_list.
Update it in mdb_page_flush() instead of mdb_page_spill().

10 years agoITS#7515 mdb_pages_xkeep(): Careful about xcursors.
Hallvard Furuseth [Mon, 23 Sep 2013 18:13:27 +0000 (20:13 +0200)]
ITS#7515 mdb_pages_xkeep(): Careful about xcursors.

Don't prod sub-pages or pages referring to uninitialized xcursors.

10 years agomdb_pages_xkeep(): Reformat, use common flag mask
Hallvard Furuseth [Mon, 23 Sep 2013 18:13:27 +0000 (20:13 +0200)]
mdb_pages_xkeep(): Reformat, use common flag mask

10 years agoUpdate MDB documentation and comments.
Hallvard Furuseth [Mon, 23 Sep 2013 18:09:47 +0000 (20:09 +0200)]
Update MDB documentation and comments.

10 years agoITS#7682 mdb_env_copy(): Avoid Linux O_DIRECT bug.
Hallvard Furuseth [Mon, 23 Sep 2013 18:07:29 +0000 (20:07 +0200)]
ITS#7682 mdb_env_copy(): Avoid Linux O_DIRECT bug.

Use fcntl() to set the flag.  Linux open(,O_DIRECT...) can create
the file even on failure, if the filesystem lacks O_DIRECT support.

10 years agoITS#7681 fix 18a07eb7c2dc33372455a6040984cd6b699b41a5
Howard Chu [Sun, 15 Sep 2013 20:08:29 +0000 (13:08 -0700)]
ITS#7681 fix 18a07eb7c2dc33372455a6040984cd6b699b41a5

Set rc=0 when taking the SET_RANGE branch

10 years agoITS#7701 fix mdb_rebalance
Howard Chu [Sat, 21 Sep 2013 21:37:11 +0000 (14:37 -0700)]
ITS#7701 fix mdb_rebalance

Must copy tmp cursor back to real cursor when merging into tmp cursor.

10 years agoRelease 0.9.8
Howard Chu [Mon, 9 Sep 2013 15:29:46 +0000 (08:29 -0700)]
Release 0.9.8

10 years agoupdates
Howard Chu [Thu, 5 Sep 2013 23:23:49 +0000 (16:23 -0700)]
updates

10 years agoITS#7682 In mdb_env_copy retry open if O_DIRECT fails
Salvador Ortiz [Thu, 5 Sep 2013 22:36:52 +0000 (17:36 -0500)]
ITS#7682 In mdb_env_copy retry open if O_DIRECT fails

10 years agoMore for 5f6fa8c04204888c4ff7ac6be1868d81ff4410a8
Howard Chu [Thu, 5 Sep 2013 13:02:07 +0000 (06:02 -0700)]
More for 5f6fa8c04204888c4ff7ac6be1868d81ff4410a8

Reset delete flag in cursor_put().

10 years agoITS#7681 fix mdb_cursor_set behaviour for MDB_SET_RANGE
Claude Brisson [Thu, 5 Sep 2013 10:58:18 +0000 (12:58 +0200)]
ITS#7681 fix mdb_cursor_set behaviour for MDB_SET_RANGE

10 years agoRemember if last cursor op was a delete
Howard Chu [Tue, 3 Sep 2013 23:10:20 +0000 (16:10 -0700)]
Remember if last cursor op was a delete

If so, don't advance cursor on next NEXT. Also, init xcursor
on the next GET_CURRENT.

10 years agoAdd a changelog
Howard Chu [Thu, 29 Aug 2013 03:22:41 +0000 (20:22 -0700)]
Add a changelog

10 years agoBump version to 0.9.8
Howard Chu [Thu, 29 Aug 2013 02:17:25 +0000 (19:17 -0700)]
Bump version to 0.9.8

10 years agoAllow mdb_env_set_mapsize() on an open environment
Howard Chu [Thu, 29 Aug 2013 02:12:59 +0000 (19:12 -0700)]
Allow mdb_env_set_mapsize() on an open environment

The caller is responsible for making sure no transactions are
active in this process before resizing. This is slightly lighter
weight than doing a full env_close/env_open cycle.

10 years agoITS#7672 fix mdb_dbi_flags
Howard Chu [Tue, 27 Aug 2013 13:28:30 +0000 (06:28 -0700)]
ITS#7672 fix mdb_dbi_flags

Use a txn instead of env argument. Only return persistent flags.

10 years agomdb_page_unspill(): Fix dirty_room in nested txn
Hallvard Furuseth [Sun, 25 Aug 2013 21:59:58 +0000 (23:59 +0200)]
mdb_page_unspill(): Fix dirty_room in nested txn

10 years agoAnother take on spill_pgs and deletes
Howard Chu [Sat, 24 Aug 2013 19:37:45 +0000 (20:37 +0100)]
Another take on spill_pgs and deletes

10 years agoCleanup prev commit
Howard Chu [Sat, 24 Aug 2013 18:54:05 +0000 (11:54 -0700)]
Cleanup prev commit

10 years agoSpeedup deletion from spill_pgs
Howard Chu [Sat, 24 Aug 2013 18:48:37 +0000 (19:48 +0100)]
Speedup deletion from spill_pgs

10 years agoITS#7671 always return the key for a dup val
Howard Chu [Fri, 23 Aug 2013 14:36:07 +0000 (07:36 -0700)]
ITS#7671 always return the key for a dup val

10 years agoITS#7670 Tweak cursor_del0
Howard Chu [Fri, 23 Aug 2013 04:43:29 +0000 (21:43 -0700)]
ITS#7670 Tweak cursor_del0

Always leave cursor pointing at "next" node, if any.
Find next sibling if we're already at end of current page.

10 years agomdb_page_spill(): Fix nested txn mt_dirty_room
Hallvard Furuseth [Fri, 23 Aug 2013 05:39:04 +0000 (07:39 +0200)]
mdb_page_spill(): Fix nested txn mt_dirty_room

10 years agoSimplify last commits
Hallvard Furuseth [Fri, 23 Aug 2013 05:37:17 +0000 (07:37 +0200)]
Simplify last commits

10 years agoTweak prev commit
Howard Chu [Fri, 23 Aug 2013 04:29:53 +0000 (21:29 -0700)]
Tweak prev commit

If somehow "need" is larger than the list size, don't
try to fake out the dirty list.

10 years agoLess aggressive page_spill
Howard Chu [Fri, 23 Aug 2013 01:51:48 +0000 (18:51 -0700)]
Less aggressive page_spill

spilling all possible pages is a waste because the majority will be
needed again. Just do 1/8th of the dirty list instead.

10 years agoUpdate caveats now that mdb_reader_check exists
Howard Chu [Wed, 21 Aug 2013 00:37:53 +0000 (17:37 -0700)]
Update caveats now that mdb_reader_check exists

10 years agoSilence warnings
Howard Chu [Wed, 14 Aug 2013 16:57:25 +0000 (09:57 -0700)]
Silence warnings

10 years agoTweak ITS#7615 fix: Obey strict-aliasing rules.
Hallvard Furuseth [Wed, 14 Aug 2013 13:21:59 +0000 (15:21 +0200)]
Tweak ITS#7615 fix: Obey strict-aliasing rules.

Do not access a long long as an array of longs.

10 years agoITS#7664 better fix
Howard Chu [Tue, 13 Aug 2013 20:12:47 +0000 (13:12 -0700)]
ITS#7664 better fix

For RDONLY, don't get lockfile until we know datafile exists.
Also, don't try to create a new datafile for me_mfd if someone
deleted it after we got me_fd.

10 years agoRevert "ITS#7664 delete lockfile if there is no environment"
Howard Chu [Tue, 13 Aug 2013 20:05:32 +0000 (13:05 -0700)]
Revert "ITS#7664 delete lockfile if there is no environment"

This reverts commit 8725838409512e999d78ea7b60773ce2f94d588f.

10 years agoITS#7664 delete lockfile if there is no environment
Howard Chu [Tue, 13 Aug 2013 18:34:32 +0000 (11:34 -0700)]
ITS#7664 delete lockfile if there is no environment

10 years agoFix uninit'd mem ref in mdb_page_split
Howard Chu [Mon, 12 Aug 2013 19:43:42 +0000 (12:43 -0700)]
Fix uninit'd mem ref in mdb_page_split

Don't compare cursors beyond their depth. (detected by valgrind)