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mdbx: add update-gc context (extracted from bigfoot).

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Леонид Юрьев (Leonid Yuriev)
2022-06-20 20:16:54 +03:00
parent f5280ebf6e
commit f1ccc717b4
2 changed files with 289 additions and 246 deletions
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8
src/internals.h
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@@ -923,9 +923,9 @@ struct MDBX_txn {
/* corresponding to the current size of datafile */
#define mt_end_pgno mt_geo.now
/* The ID of this transaction. IDs are integers incrementing from 1.
* Only committed write transactions increment the ID. If a transaction
* aborts, the ID may be re-used by the next writer. */
/* The ID of this transaction. IDs are integers incrementing from
* INITIAL_TXNID. Only committed write transactions increment the ID. If a
* transaction aborts, the ID may be re-used by the next writer. */
txnid_t mt_txnid;
txnid_t mt_front;
@@ -986,11 +986,11 @@ struct MDBX_txn {
MDBX_page *loose_pages;
/* Number of loose pages (tw.loose_pages) */
unsigned loose_count;
unsigned spill_least_removed;
/* The sorted list of dirty pages we temporarily wrote to disk
* because the dirty list was full. page numbers in here are
* shifted left by 1, deleted slots have the LSB set. */
MDBX_PNL spill_pages;
unsigned spill_least_removed;
} tw;
};
};