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mdbx: implements remapping of the database file when it it possible.

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Change-Id: Ida15ba1f396a33b2c6063e680dff612f39a9608f
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Leonid Yuriev
2020-07-06 16:23:52 +03:00
parent 2d0a5c42a9
commit 3351c1f869
4 changed files with 103 additions and 22 deletions
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ChangeLog.md
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@@ -13,6 +13,8 @@ v0.8.2 2020-07-??:
  - Refined mode bits while auto-creating LCK-file.
- Avoids unnecessary database file re-mapping in case geometry changed by another process(es).
From the user's point of view, the MDBX_UNABLE_EXTEND_MAPSIZE error will now be returned less frequently and only when using the DB in the current process really requires it to be reopened.
- Remapping on-the-fly and of the database file was implemented.
Now remapping with a change of address is performed automatically if there are no dependent readers in the current process.
v0.8.1 2020-06-12:
  - Minor change versioning. The last number in the version now means the number of commits since last release/tag.