DefaultHasher hashes keys to negative number
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Key: S4-30
URL: https://issues.apache.org/jira/browse/S4-30
Project: Apache S4
Issue Type: Bug
Affects Versions: 0.4
Environment: All - Windows and Linux
Reporter: Quoc Nguyen
Priority: Blocker
DefaultHasher uses HashAlgorithm hashAlgorithm = HashAlgorithm.FNV1_64_HASH;
which hashes key strings such as 118+18233, 118+17360, 118+17258, 118+18147 and
118+18121 and many more to negative values which the DefaultPartitioner (int
partitionId = (int) (hasher.hash(stringValue) % partitionCount);) tries to
partition the key to incorrect partition.
Workaround:
None - stream has those keys, they will get dropped because the partitioner
cannot correctly partition.
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