Re: About the design and development of merge.

2019-07-17 Thread 江天
Hi, The Merge is functional on branch dev_merge and the related PR is on https://github.com/apache/incubator-iotdb/pull/258 . If you feel interested, feel free to give any advices or comments. Thanks Tian Jiang

Re: About the design and development of merge.

2019-07-08 Thread 江天
A1: Yes. However, in IoTDB queries, the order of chunks is not that important as a simple sort by startTime can make them ordered again once they are loaded into memory. A2: Yes, but not necessarily. We handle time series one by one to minimize the memory burden, but if memory is abundant, we

About the design and development of merge.

2019-07-08 Thread 江天
Greetings, Although the new storage engine is on-line, some old functionalities are lost, for example, merge. As you may have known, current storage engine consists of two kind of data files, sequential files and unsequential files. A data point of a specified timestamp, say, t0, may occur