Index: src/docbkx/book.xml =================================================================== --- src/docbkx/book.xml (revision 1342083) +++ src/docbkx/book.xml (working copy) @@ -2820,7 +2820,14 @@ - +
+ Changing Compression Schemes + A frequent question on the dist-list is how to change compression schemes for ColumnFamilies. This is actually quite simple, + and can be done via an alter command. Because the compression scheme is encoded at the block-level in StoreFiles, the table does + not need to be re-created and the data does not copied somewhere else. Just make sure + the old codec is still available until you are sure that all of the old StoreFiles have been compacted. + +