This function is used to calculate the length of the byte array for serializing a mutation @param keyLen denotes the length of the document key @param size denoted the length of HLV @param colMigrationFilterMatched denotes the list of Migration Filters matched.

length of mutation metadata + body, which consists of seqno - 8 bytes revId - 8 bytes cas - 8 bytes importCas - 8 bytes pRev - 8 bytes flags - 4 bytes expiry - 4 bytes opCode - 2 bytes datatype - 2 bytes hash - 64 bytes collectionId - 4 bytes migrationFilterLen - 2 bytes (variable) - each filterID is 2 bytes.

default values for configurable parameters if not specified by user.

Diff tool by default allow users to enter "http://<addr>:<ns_serverPort>".

This is the original method.

This is the default.

key to obtain the number of Vbuckets stat from bucketInfo.

denotes the traditional number of Vbuckets.