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[Issue 8361] mdb_strerror() issues
by openldap-its＠openldap.org 24 Apr '26

24 Apr '26

https://bugs.openldap.org/show_bug.cgi?id=8361 Quanah Gibson-Mount <quanah(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|RESOLVED |VERIFIED -- You are receiving this mail because: You are on the CC list for the issue.

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[Bug 9208] New: LMDB feature request: variant of mdb_env_copy{,fd2} that takes transaction as parameter
by openldap-its＠openldap.org 24 Apr '26

24 Apr '26

https://bugs.openldap.org/show_bug.cgi?id=9208 Bug ID: 9208 Summary: LMDB feature request: variant of mdb_env_copy{,fd2} that takes transaction as parameter Product: LMDB Version: unspecified Hardware: All OS: All Status: UNCONFIRMED Severity: normal Priority: --- Component: liblmdb Assignee: bugs(a)openldap.org Reporter: github(a)nicwatson.org Target Milestone: --- The mdb_env_copy* functions create a read transaction themselves to run the backup on. New variants of these functions (one for mdb_env_copy2 and one for mdb_env_copyfd2) would have a transaction parameter. This transaction would be used instead of creating a new transaction. Application code could use these new functions to synchronize consistent live backups across multiple LMDB instances (potentially across multiple hosts). -- You are receiving this mail because: You are on the CC list for the bug.

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[Issue 8361] mdb_strerror() issues
by openldap-its＠openldap.org 24 Apr '26

24 Apr '26

https://bugs.openldap.org/show_bug.cgi?id=8361 Howard Chu <hyc(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |WONTFIX Status|UNCONFIRMED |RESOLVED --- Comment #2 from Howard Chu <hyc(a)openldap.org> --- Unix case is a non-issue. libc only does the `sprintf(buf, "Error %d", err)` fallback for error codes it doesn't recognize. These only occur when an old libc is running on a newer kernel version (that happens to define new errno values). So in practice it only happens with extremely old statically linked binaries running on a much newer system. The Windows situation is a bit cleaner now that we're not using as many libc error codes. (ITS#8192). In most cases none of that will matter. Also most error messages are short, generally shorter than one 80 column line. Not worth worrying about. -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 8192] liblmdb confuses Windows error code with errno values
by openldap-its＠openldap.org 24 Apr '26

24 Apr '26

https://bugs.openldap.org/show_bug.cgi?id=8192 Howard Chu <hyc(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |FIXED Status|UNCONFIRMED |RESOLVED --- Comment #4 from Howard Chu <hyc(a)openldap.org> --- In mdb.master3 bf5c4e0f2302c07a1a5552143be5a353a1fb3fe9 -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 8475] Feature request: MDB low durability transactions
by openldap-its＠openldap.org 23 Apr '26

23 Apr '26

https://bugs.openldap.org/show_bug.cgi?id=8475 Howard Chu <hyc(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Severity|normal |enhancement -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 10034] New: Assertion 'i < NUMKEYS(mp)' failed in mdb_page_search_root()"
by openldap-its＠openldap.org 23 Apr '26

23 Apr '26

https://bugs.openldap.org/show_bug.cgi?id=10034 Issue ID: 10034 Summary: Assertion 'i < NUMKEYS(mp)' failed in mdb_page_search_root()" Product: LMDB Version: 0.9.23 Hardware: Other OS: Linux Status: UNCONFIRMED Keywords: needs_review Severity: normal Priority: --- Component: liblmdb Assignee: bugs(a)openldap.org Reporter: 763280032(a)qq.com Target Milestone: --- We found that when lmdb is opened after OS startup and data is written to it, lmdb will trigger abort probabilistically(Restart the OS 600 times will trigger once); We want to know what situation triggers this issue(Assertion 'i < NUMKEYS(mp)' failed in mdb_page_search_root()); we want to know if there is a problem with our usage; Please Help Us (gdb) x/8s 0x8baee988 0x8baee988: "8\373Բ\b\371Բmdb.c:5542: Assertion 'i < NUMKEYS(mp)' failed in mdb_page_search_root()" -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 8813] MDB_VL32 causes MDB_TXN_FULL
by openldap-its＠openldap.org 23 Apr '26

23 Apr '26

https://bugs.openldap.org/show_bug.cgi?id=8813 Howard Chu <hyc(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |FEEDBACK --- Comment #7 from Howard Chu <hyc(a)openldap.org> --- (In reply to markus(a)greenrobot.de from comment #5) > On 24.10.19 03:49, Howard Chu wrote: > > You're free to define MDB_TRPAGE_MAX to a larger value. It just means > > you increase the chance of overrunning the 2GB available address space. > > There's no magic, you can't fit every 64bit database workload into only > > a 32bit address space. When your transactions are too large, the normal > > thing to do is commit more often so they don't grow so large. > > I think you meant MDB_TRPAGE_SIZE? At least that seemed to work, while > MDB_TRPAGE_MAX ended up in another MDB_TXN_FULL (tl[0].mid < > MDB_TRPAGE_SIZE check failed). > > Doubling MDB_TRPAGE_SIZE also doubled the threshold of the object count > where it starts failing: using 8192 it was able to remove 4M entries > while the limit with 4096 was 2M entries. > > MDB_TRPAGE_SIZE is only used to malloc txn->mt_rpages (and some checks), > as far as I can tell. > > To make a reasonable decision here, could you please confirm: > > 1. txn->mt_rpages is RAM only and has no impact on mmaped sections > (and/or file format). > > 2. RAM consumption is defined by number of transactions only: per > transaction MDB_TRPAGE_SIZE bytes is allocated. Other than that it does > not increase memory consumption. > > 3. There is no other disadvantage other than higher memory consumption > per transaction as written in the previous point. > > > In that case, I think I'll go with 16K (or even 32K). Does not seem too > much for an transaction, given that it quadruples the amount of data > allowed to be processed. 32 bit devices are not servers, so I do not > expect a high number of concurrent transactions anyway. > > Thanks! > > Markus Sorry for going quiet. Yes, to all 3 of your points, it only affects in-memory bookkeeping and has no effect on the file. The only consequence of increasing these constants is potentially higher memory consumption. -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 8579] LMDB: me_fd should be O_CLOEXEC on POSIX systems
by openldap-its＠openldap.org 23 Apr '26

23 Apr '26

https://bugs.openldap.org/show_bug.cgi?id=8579 Howard Chu <hyc(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Resolution|--- |FIXED Target Milestone|--- |1.0.0 Status|UNCONFIRMED |RESOLVED --- Comment #2 from Howard Chu <hyc(a)openldap.org> --- I see no reason not to do this. Some of the caveats about fork/exec are still overstated. LMDB uses fcntl() locks, not flock(), so some of the concerns about flock() semantics are irrelevant. There is nothing useful an exec'd process can do with the me_fd, so yes, let's close it. Fixed in mdb.master3 cf52db2bee52796bb4140b32679f4723a0d7d44f -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 8691] slapd crashes during shutdown
by openldap-its＠openldap.org 23 Apr '26

23 Apr '26

https://bugs.openldap.org/show_bug.cgi?id=8691 Howard Chu <hyc(a)openldap.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |RESOLVED Resolution|--- |WORKSFORME --- Comment #1 from Howard Chu <hyc(a)openldap.org> --- Unable to reproduce this any more. "--without-threads" is no longer a supported configuration. OpenLDAP 2.6 has no trouble starting/stopping on Windows. -- You are receiving this mail because: You are on the CC list for the issue.

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[Issue 6198] Authorization for extensions
by openldap-its＠openldap.org 23 Apr '26

23 Apr '26

https://bugs.openldap.org/show_bug.cgi?id=6198 Ondřej Kuzník <ondra(a)mistotebe.net> changed: What |Removed |Added ---------------------------------------------------------------------------- See Also| |https://bugs.openldap.org/s | |how_bug.cgi?id=10497 -- You are receiving this mail because: You are on the CC list for the issue.

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