Sync Method

Hello,
Is that a way to recovery cache if i didn't called the sync method ? For example, i have an instance of BTreeDatabase and i'm putting some data, then, my software crashes, how can i create another instance of BTree and recovery non flushed data ?
Tks

Hi,
Is that a way to recovery cache if i didn't called the sync method ?No. Are you using the transactional data store? If you do use TDS and you don't specify DB_TXN_WRITE_NOSYNC or DB_TXN_NOSYNC, Berkeley DB will write/synchronously flush the log on transaction commit.
If you don't use TDS, but CDS, if the software crashes, after the application has modified a database and has not subsequently flushed the database to stable storage (by calling either the DB->close(), DB->sync() or DB_ENV->memp_sync() methods), the data in the cache will be lost and the database may be left in a corrupted state and you'll have to verify it and depending on what db_verify says, continue as it is, remove or re-create it.
Thanks,
Bogdan Coman

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