SSTable index format

2016-06-15 Thread Antonis Papaioannou
Hi, I'm interested in the SSTable index file format and particularly in Cassandra 2.2 which uses the SSTable version "ma". Apart from keys and their corresponding offsets in the data file what else is included in each index entry? I'm trying to trace code when an SSTable is flushed

Re: Built in trigger: double-write for app migration

2018-10-19 Thread Antonis Papaioannou
It reminds me of “shadow writes” described in [1]. During data migration the coordinator forwards a copy of any write request regarding tokens that are being transferred to the new node. [1] Incremental Elasticity for NoSQL Data Stores, SRDS’17, https://ieeexplore.ieee.org/document/8069080