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zsxwing/gist:d520f3cbe838e40582c20b7f19e661e5

Created September 22, 2021 17:09
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gistfile1.txt
val version = getCurrentVersionFromConnector
val appId = getCurrentAppIdFromConnector
val txn = startTxn()
val versionInTxn = txn.txnVersion(appId)
if (version <= versionInTxn) {
// Skip the write that's done
return
}
// write files and commit
txn.commit(SetTxn(appId, version) :: ... :: Nil) // system crash
// save the version id to somewhere for recovery
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