| commit | 1a659da1f05faa630c35c10fa0f3af3c2053ed40 | [log] [tgz] |
|---|---|---|
| author | Ian Maxon <imaxon@apache.org> | Thu Nov 19 16:07:22 2015 -0800 |
| committer | Ian Maxon <imaxon@apache.org> | Mon Nov 23 09:00:34 2015 -0800 |
| tree | 16a73ff30edcc6b46d1d1efc28db76ba69990bbe | |
| parent | baec39a7ec19f4e7c39ecee1ed6a4d8dcbf136f3 [diff] |
Make LSM bulkload append-only and write-once. Allows for usage of LSM indexes with underlying storage that is append-only. This also results in a small improvement for LSM component bulk load speed. - Tree metadata (filters, etc) now lie at the back of the tree file in append-only mode. -- Note that you should *not* ever give the append-only flag on bulk-load, if the tree is ever to be modified in place. - Append-only operations bypass the buffer cache for writes, but utilize the buffer cache for memory allocation and reads. - Addresses ASTERIXDB-1059 Change-Id: I80fb891b5310252143854a336b591bf3f8cd4ba7 Reviewed-on: https://asterix-gerrit.ics.uci.edu/255 Tested-by: Jenkins <jenkins@fulliautomatix.ics.uci.edu> Reviewed-by: Young-Seok Kim <kisskys@gmail.com> Reviewed-by: Murtadha Hubail <hubailmor@gmail.com>