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mdbx: добавление badge-ссылки на телеграм и рокировка параграфов в начале README.

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Леонид Юрьев (Leonid Yuriev) 2025-04-02 16:21:40 +03:00
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<!-- Required extensions: pymdownx.betterem, pymdownx.tilde, pymdownx.emoji, pymdownx.tasklist, pymdownx.superfences --> <!-- Required extensions: pymdownx.betterem, pymdownx.tilde, pymdownx.emoji, pymdownx.tasklist, pymdownx.superfences -->
> Please refer to the online [documentation](https://libmdbx.dqdkfa.ru)
> with [`C` API description](https://libmdbx.dqdkfa.ru/group__c__api.html)
> and pay attention to the [`C++` API](https://gitflic.ru/project/erthink/libmdbx/blob?file=mdbx.h%2B%2B#line-num-1).
> Questions, feedback and suggestions are welcome to the [Telegram' group](https://t.me/libmdbx) (archive [1](https://libmdbx.dqdkfa.ru/tg-archive/messages1.html),
> [2](https://libmdbx.dqdkfa.ru/tg-archive/messages2.html), [3](https://libmdbx.dqdkfa.ru/tg-archive/messages3.html), [4](https://libmdbx.dqdkfa.ru/tg-archive/messages4.html),
> [5](https://libmdbx.dqdkfa.ru/tg-archive/messages5.html), [6](https://libmdbx.dqdkfa.ru/tg-archive/messages6.html), [7](https://libmdbx.dqdkfa.ru/tg-archive/messages7.html)).
> See the [ChangeLog](https://gitflic.ru/project/erthink/libmdbx/blob?file=ChangeLog.md) for `NEWS` and latest updates.
> Donations are welcome to the Ethereum/ERC-20 `0xD104d8f8B2dC312aaD74899F83EBf3EEBDC1EA3A`.
> Всё будет хорошо!
libmdbx libmdbx
======== ========
@ -39,32 +26,44 @@ tree](https://en.wikipedia.org/wiki/B%2B_tree).
[WAL](https://en.wikipedia.org/wiki/Write-ahead_logging), but that might [WAL](https://en.wikipedia.org/wiki/Write-ahead_logging), but that might
be a caveat for write-intensive workloads with durability requirements. be a caveat for write-intensive workloads with durability requirements.
4. **Compact and friendly for fully embedding**. Only ≈25KLOC of `C11`, 4. Enforces [serializability](https://en.wikipedia.org/wiki/Serializability) for
≈64K x86 binary code of core, no internal threads neither server process(es),
but implements a simplified variant of the [Berkeley
DB](https://en.wikipedia.org/wiki/Berkeley_DB) and
[dbm](https://en.wikipedia.org/wiki/DBM_(computing)) API.
5. Enforces [serializability](https://en.wikipedia.org/wiki/Serializability) for
writers just by single writers just by single
[mutex](https://en.wikipedia.org/wiki/Mutual_exclusion) and affords [mutex](https://en.wikipedia.org/wiki/Mutual_exclusion) and affords
[wait-free](https://en.wikipedia.org/wiki/Non-blocking_algorithm#Wait-freedom) [wait-free](https://en.wikipedia.org/wiki/Non-blocking_algorithm#Wait-freedom)
for parallel readers without atomic/interlocked operations, while for parallel readers without atomic/interlocked operations, while
**writing and reading transactions do not block each other**. **writing and reading transactions do not block each other**.
6. **Guarantee data integrity** after crash unless this was explicitly 5. **Guarantee data integrity** after crash unless this was explicitly
neglected in favour of write performance. neglected in favour of write performance.
7. Supports Linux, Windows, MacOS, Android, iOS, FreeBSD, DragonFly, Solaris, 6. Supports Linux, Windows, MacOS, Android, iOS, FreeBSD, DragonFly, Solaris,
OpenSolaris, OpenIndiana, NetBSD, OpenBSD and other systems compliant with OpenSolaris, OpenIndiana, NetBSD, OpenBSD and other systems compliant with
**POSIX.1-2008**. **POSIX.1-2008**.
7. **Compact and friendly for fully embedding**. Only ≈25KLOC of `C11`,
≈64K x86 binary code of core, no internal threads neither server process(es),
but implements a simplified variant of the [Berkeley
DB](https://en.wikipedia.org/wiki/Berkeley_DB) and
[dbm](https://en.wikipedia.org/wiki/DBM_(computing)) API.
<!-- section-end --> <!-- section-end -->
Historically, _libmdbx_ is a deeply revised and extended descendant of the amazing Historically, _libmdbx_ is a deeply revised and extended descendant of the legendary
[Lightning Memory-Mapped Database](https://en.wikipedia.org/wiki/Lightning_Memory-Mapped_Database). [Lightning Memory-Mapped Database](https://en.wikipedia.org/wiki/Lightning_Memory-Mapped_Database).
_libmdbx_ inherits all benefits from _LMDB_, but resolves some issues and adds [a set of improvements](#improvements-beyond-lmdb). _libmdbx_ inherits all benefits from _LMDB_, but resolves some issues and adds [a set of improvements](#improvements-beyond-lmdb).
[![Telergam: Support | Discussions | News](https://img.shields.io/endpoint?color=scarlet&logo=telegram&label=Support%20%7C%20Discussions%20%7C%20News&url=https%3A%2F%2Ftg.sumanjay.workers.dev%2Flibmdbx)](https://t.me/libmdbx)
> Please refer to the online [documentation](https://libmdbx.dqdkfa.ru)
> with [`C` API description](https://libmdbx.dqdkfa.ru/group__c__api.html)
> and pay attention to the [`C++` API](https://gitflic.ru/project/erthink/libmdbx/blob?file=mdbx.h%2B%2B#line-num-1).
> Donations are welcome to the Ethereum/ERC-20 `0xD104d8f8B2dC312aaD74899F83EBf3EEBDC1EA3A`.
> Всё будет хорошо!
Telegram Group archive: [1](https://libmdbx.dqdkfa.ru/tg-archive/messages1.html),
[2](https://libmdbx.dqdkfa.ru/tg-archive/messages2.html), [3](https://libmdbx.dqdkfa.ru/tg-archive/messages3.html), [4](https://libmdbx.dqdkfa.ru/tg-archive/messages4.html),
[5](https://libmdbx.dqdkfa.ru/tg-archive/messages5.html), [6](https://libmdbx.dqdkfa.ru/tg-archive/messages6.html), [7](https://libmdbx.dqdkfa.ru/tg-archive/messages7.html).
## Github ## Github
### на Русском (мой родной язык) ### на Русском (мой родной язык)