mike-tr-adamson commented on code in PR #2540:
URL: https://github.com/apache/cassandra/pull/2540#discussion_r1293584869
##########
src/java/org/apache/cassandra/index/sai/disk/v1/V1OnDiskFormat.java:
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@@ -236,11 +248,14 @@ public Set<IndexComponent>
perColumnIndexComponents(IndexContext indexContext)
}
@Override
- public int openFilesPerSSTableIndex()
+ public int openFilesPerSSTableIndex(boolean hasClustering)
{
- // For the V1 format there are always 4 open files per SSTable - token
values, primary key trie,
- // primary key blocks, primary key block offsets
- return 4;
+ // For the V1 format the number of open files depends on whether the
table has clustering. For wide tables
+ // the number of open files will be 6 per SSTable - token values,
partition sizes index, partition key blocks,
+ // partition key block offsets, clustering key blocks & clustering key
block offsets and for skinny tables
+ // the number of files will be 4 per SSTable - token values, partition
key sizes, partition key blocks &
+ // partition key block offsets.
+ return hasClustering ? 6 : 4;
Review Comment:
It's used in `SSTableIndex.sizeOfPerColumnComponents`
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