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mdbx: новый код обновления GC.

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Леонид Юрьев (Leonid Yuriev)
2025-04-26 00:15:41 +03:00
parent 011c3072da
commit 2b36fd5974
24 changed files with 1493 additions and 905 deletions
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28
src/audit.c
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@@ -24,12 +24,11 @@ static size_t audit_db_used(const tree_t *db) {
return db ? (size_t)db->branch_pages + (size_t)db->leaf_pages + (size_t)db->large_pages : 0;
}
__cold static int audit_ex_locked(MDBX_txn *txn, size_t retired_stored, bool dont_filter_gc) {
__cold static int audit_ex_locked(MDBX_txn *txn, const size_t retired_stored, const bool dont_filter_gc) {
const MDBX_env *const env = txn->env;
size_t pending = 0;
if ((txn->flags & MDBX_TXN_RDONLY) == 0)
pending = txn->wr.loose_count + MDBX_PNL_GETSIZE(txn->wr.repnl) +
(MDBX_PNL_GETSIZE(txn->wr.retired_pages) - retired_stored);
tASSERT(txn, (txn->flags & MDBX_TXN_RDONLY) == 0);
const size_t pending = txn->wr.loose_count + MDBX_PNL_GETSIZE(txn->wr.repnl) +
(MDBX_PNL_GETSIZE(txn->wr.retired_pages) - retired_stored);
cursor_couple_t cx;
int rc = cursor_init(&cx.outer, txn, FREE_DBI);
@@ -40,17 +39,16 @@ __cold static int audit_ex_locked(MDBX_txn *txn, size_t retired_stored, bool don
MDBX_val key, data;
rc = outer_first(&cx.outer, &key, &data);
while (rc == MDBX_SUCCESS) {
if (!dont_filter_gc) {
if (unlikely(key.iov_len != sizeof(txnid_t))) {
ERROR("%s/%d: %s %u", "MDBX_CORRUPTED", MDBX_CORRUPTED, "invalid GC-key size", (unsigned)key.iov_len);
return MDBX_CORRUPTED;
}
txnid_t id = unaligned_peek_u64(4, key.iov_base);
if (txn->wr.gc.retxl ? txl_contain(txn->wr.gc.retxl, id) : (id <= txn->wr.gc.last_reclaimed))
goto skip;
if (unlikely(key.iov_len != sizeof(txnid_t))) {
ERROR("%s/%d: %s %u", "MDBX_CORRUPTED", MDBX_CORRUPTED, "invalid GC-key size", (unsigned)key.iov_len);
return MDBX_CORRUPTED;
}
gc += *(pgno_t *)data.iov_base;
skip:
const txnid_t id = unaligned_peek_u64(4, key.iov_base);
const size_t len = *(pgno_t *)data.iov_base;
const bool acc = dont_filter_gc || !gc_is_reclaimed(txn, id);
TRACE("%s id %" PRIaTXN " len %zu", acc ? "acc" : "skip", id, len);
if (acc)
gc += len;
rc = outer_next(&cx.outer, &key, &data, MDBX_NEXT);
}
tASSERT(txn, rc == MDBX_NOTFOUND);