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mdbx: double dirtyroom reserve for page stack.

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Related to https://github.com/erthink/libmdbx/issues/186

Change-Id: I211fc9c849c9a45254e699d713475898fd20a58e
This commit is contained in:
Leonid Yuriev 2021-04-27 23:16:28 +03:00
parent 4111d7238c
commit 7d249c97ad
1 changed files with 4 additions and 1 deletions
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5
src/core.c
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@ -5326,7 +5326,10 @@ static int mdbx_cursor_spill(MDBX_cursor *mc, const MDBX_val *key,
if (mc->mc_dbi > MAIN_DBI) if (mc->mc_dbi > MAIN_DBI)
need += txn->mt_dbs[MAIN_DBI].md_depth + 3; need += txn->mt_dbs[MAIN_DBI].md_depth + 3;
} }
/* 4) Factor the key+data which to be put in */ /* 4) Double the page chain estimation
* for extensively splitting, rebalance and merging */
need += need;
/* 5) Factor the key+data which to be put in */
need += bytes2pgno(txn->mt_env, node_size(key, data)) + 1; need += bytes2pgno(txn->mt_env, node_size(key, data)) + 1;
return mdbx_txn_spill(txn, mc, need); return mdbx_txn_spill(txn, mc, need);
} }