Grokking the System Design Interview, Volume II
Vote

0% completed

​

Compaction

Every MemTable flush adds one more SSTable to disk. Over time, many small files accumulate. This lesson looks at how Cassandra cleans that up: compaction.

How does compaction work in Cassandra?

SSTables are the immutable files Cassandra writes to disk when it flushes a MemTable, its in-memory write buffer. That immutability is part of why Cassandra's writes are fast. Immutable means Cassandra never edits a file in place, only writes new ones. That flushing never stops, so the number of SSTables on disk keeps growing

.....

.....

.....

Like the course? Get enrolled and start learning!

Reading Progress

0%

Vote for new content