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mdbx: парковка читающих транзакций.

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Леонид Юрьев (Leonid Yuriev)
2024-07-09 16:04:01 +03:00
parent f335a16c92
commit ec0ada7b8c
11 changed files with 399 additions and 80 deletions
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src/internals.h
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@@ -154,7 +154,8 @@ enum txn_flags {
txn_ro_begin_flags = MDBX_TXN_RDONLY | MDBX_TXN_RDONLY_PREPARE,
txn_rw_begin_flags = MDBX_TXN_NOMETASYNC | MDBX_TXN_NOSYNC | MDBX_TXN_TRY,
txn_shrink_allowed = UINT32_C(0x40000000),
txn_gc_drained = 0x20 /* GC was depleted up to oldest reader */,
txn_parked = MDBX_TXN_PARKED,
txn_gc_drained = 0x40 /* GC was depleted up to oldest reader */,
txn_state_flags = MDBX_TXN_FINISHED | MDBX_TXN_ERROR | MDBX_TXN_DIRTY |
MDBX_TXN_SPILLS | MDBX_TXN_HAS_CHILD | MDBX_TXN_INVALID |
txn_gc_drained