CODEWITHSUNDEEP
performancecassandracluster-computing
samarth
samarth

Reputation: 4024

Cassandra compaction taking too much time to complete

Initially we had 12 nodes in Cassandra cluster and with 500GB of data load on each node major compaction use to complete in 20 hours.

Now we have upgraded the cluster to 24 nodes and with same data size that is 500 GB on each node major compaction is taking 5 days.(hardware configuration of each node is exactly same and we are using cassandra-0.8.2 )

So what could be the possible reason for this slowdown? Is increased cluster size causing this issue?

Upvotes: 0

Views: 700

Answers (1)

jbellis
jbellis

Reputation: 19377

Compaction is is a completely local operation, so cluster size would not affect it. Request volume would, and so would data volume.

Upvotes: 2

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