Benguang Zhao 7fb827debd fix: refactor walScanLogGetLastVer, walCheckAndRepairMeta, and walCheckAndRepairIdx. ... * search for the last entry in the contiguous range of valid WAL from the last pos fsynced as firstTrial * find the last entry before the last pos fsynced backwards as second trial * reserve sufficient space for computing CRC32 checksum, esp. of WAL record body * rebuild meta info to resolve potential misalignment between lists of meta and actual log files * retract commitIndex and appliedIndex to lastLogIndex if needed * put an upper size limit on possibly corrupted WAL range to be recovered		2022-10-15 23:56:31 +08:00
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wal.h	fix: refactor walScanLogGetLastVer, walCheckAndRepairMeta, and walCheckAndRepairIdx.	2022-10-15 23:56:31 +08:00