Brad Schoening created CASSANDRA-20454:
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             Summary: Update documentation on commit log
                 Key: CASSANDRA-20454
                 URL: https://issues.apache.org/jira/browse/CASSANDRA-20454
             Project: Apache Cassandra
          Issue Type: Improvement
            Reporter: Brad Schoening


>From [~mck] in 

The commit documentation page has a number of faults that should be corrected:
 - the default is periodic,
 - there's an odd '(Default Value: (complex option): ' section (maybe this is 
just asciidoc ?)
 - the sentence "Any data written to Cassandra will first be written to a 
commit log before being written to a memtable." isn't strictly-speaking 
correct, the commitlog and the memtable happen in parallel…

And, it would be worthwhile if the page referenced, for more advanced info, 
this [blog 
post|https://cassandra.apache.org/_/blog/Learn-How-CommitLog-Works-in-Apache-Cassandra.html]

these pages are now found at
 - 
[https://cassandra.apache.org/doc/3.11/cassandra/architecture/storage_engine.html#commit-log]
 - 
[https://cassandra.apache.org/doc/4.0/cassandra/architecture/storage_engine.html#commit-log]
 - 
[https://cassandra.apache.org/doc/4.1/cassandra/architecture/storage_engine.html#commit-log]
 - 
[https://cassandra.apache.org/doc/5.0/cassandra/architecture/storage-engine.html]
 - 
[https://cassandra.apache.org/doc/5.1/cassandra/architecture/storage-engine.html]
 - 
[https://cassandra.apache.org/doc/latest/cassandra/architecture/storage-engine.html]



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