Re: chunk size for checksum when writing to disk

2017-09-26 Thread Jeff Jirsa
8k for non-compressed files: https://github.com/apache/cassandra/blob/8b3a60b9a7dbefeecc06bace617279612ec7092d/src/java/org/apache/cassandra/io/util/ChecksummedSequentialWriter.java#L27 / https://github.com/apache/cassandra/blob/8b3a60b9a7dbefeecc06bace617279612ec7092d/src/java/org/apache/cassandr

chunk size for checksum when writing to disk

2017-09-25 Thread Tyagi, Preetika
Hi all, Does anyone know the size of each chunk/block while appending it with a checksum when writing to the disk in Cassandra? Is it the standard 512 bytes or it varies? Thanks, Preetika