log: clean-up log conflict search #155
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Signed-off-by: Pavel Kalinnikov <[email protected]>
Use the new entryID type. Move the preceding entry check into the conflict search method rather than do it outside. Signed-off-by: Pavel Kalinnikov <[email protected]>
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The append function call right after this does the same check, we don't need to do this in two places. TestLogMaybeAppend exercises these panics, and confirms the behaviour is the same after the first panic is removed. Signed-off-by: Pavel Kalinnikov <[email protected]>
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Specifically, consider the TODOs I've added in |
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This PR cleans up
raftLog.maybeAppendandraftLog.findConflictfunctions, now that they accept the newlogSlicetype as input. This replaces a bunch of ad-hoc arithmetics on the rawentriesslice with a more understandable "fast-forward" logic on alogSlice.This also removes a redundant
panicinmaybeAppend. An equivalent panic is present in theraftLog.appendmethod which is triggered under the same conditions. This panic behaviour is tested inTestLogMaybeAppend, and hasn't changed.Related to #144