Dear community,
I am very happy to share with you again the IoTDB weekly news. The weekly has been published for 2 weeks and received enthusiastic feedback. we update the weekly report template according to the suggestion, more let people easy to understand IoTDB development. Have a good weekend. [Message Board] 1. Don't forget everyone who died from the COVID-19 2. Add performance testing result for every performance optimization PR [Big Event] 1. Distributed version is developing, Raft log persistence, add or delete nodes, and other functions (welcome to join🔥） #958 Serialize raft log #975 Refactoring raft log module 2. 0.10 online upgrade tools are developing (welcome to join🔥） #983 Upgrade tool 3. SQL - PreviousFill,GroupByFill are developing (welcome to join🔥) #931 Accelerate Previous Fill #854 Group By Fill 4. IOTDB-573 Construct AbstractIoTDBThread and catch all Exception https://issues.apache.org/jira/browse/IOTDB-573 5. The new TsFile structure was merged and written at the same speed as the original structure, but 30% faster for the original data query, 70% faster for the aggregate query, and 80% faster for the count(*) query Welcome to #855 if you are interested in learning about updates 6. Merge with the official website repository, add Chinese character support in the Session interface, and optimize the SeriesReader, TimeGenerator, etc Thanks --- Dawei Liu
