302 Large Scale and Big Data
and abort methods where it is assumed that the write set of a transaction (i.e., the set
of updated and newly created pages) ts into the clients main memory or secondary
storage (ash or disk). If an application commits, all the updates are propagated to
S3 and all the affected pages are marked as unmodied in the clients buffer pool.
Moreover, they implemented standard B-tree indexes on top of the page manager and
basic redo log records. On the other hand, there are many database-specic issues
that have not yet been addressed by this work. For example, DB-style strict consis-
tency and transactions mechanisms are not provided. Furthermore, query processing
techniques (e.g., join algorithms and query optimizat ...