3.0.1.5

Enhancements:

• macOS x64 and macOS ARM64 are supported
• Performance optimization for both data writing and querying
• RPC compression
• Distributed internval is supported in stream processing
• Command can be completed automatically suing shortcut key in TDengine CLI
• pages and buffer parameter can be altered for a created database
• subtable name can be customized in stream processing
• interp function returns timestamp using _irowts pseudo column
• TDengine CLI reconnect cloud service automatically when user starts to operate
• Performance optimization for select tag_value from information_schema.ins_tags
• Performance optimization for select distinct(tbname)
• Speed control when transferring data across multiple storage tiers
• taosd can still start even after WAL is corrupted
• Optimization for getting timestamp in log module
• Performance optimization for filtering with tbname in clause
• Performance optimization for creating normal tables
• Performance optimization for RPC by caching the mapping from FQDN to IP
• Performance optimization for first(*) function

Fixed Bugs:

• Data loss happened when inserting high volume of data
• insert_req statistics in log database is not updated when writing in schemaless protocol
• Dnode offline in a cluster of 5 nodes
• Select count(*) returns wrong result
• TSDB commit failed
• taos crashed in tdb pager
• taosd failed to restart after freeing up disk space when disk is exhausted
• Memory leaks in taosd
• Schemaless protocol insersion failed with \u0000
• taosd crahsed when it can't recognize FQDN and doesn't report any useful error message
• OOM happend when importing data from a CSV file
• tbname returned by HISTOGRAM function is incorrect
• taosd crahsed when trying to insert data after disk is exhausted
• taosc crash when "select c1 from db.tb where c1="$max_binary_length"
• Infinite loop when querying last_row()
• taosd crash when create stream with data_filter
• Result is inconsistent between last_row() and select * order by ts limit 1
• Reporting statistical data may block heartbeat messages
• tsdb commit failed
• index thread consumes 100% CPU and blocks tbd modle
• max() returns wrong result
• TDengine CLI crashed on Windows when executing source command in it
• Command over 1K bytes is truncated on Windows and can't be executed
• Drop database failed on macOS
• taosd deadlock on macOS/M1
• order by _wstart desc returns wrong result if sliding is lower than half of interval
• select last_row() group by tbname returns Too many time windows in query
• Fixed erros in github compilation guide
• taos crashed when deleting a STable of 4096 columns
• cast() error
• show tables don't support back quote
• taosd can't start when WAL is corrupted
• dnode offline happened frequently on macOS
• taosc crashed with "interp every(0s)"
• "Out of memory" is reported when creating a database
• taosBenchmark crashed when inserting data
• taosd crashed when doing time window query
• mnode crahsed when restarting taosd with existing data
• select last_row(*) from information_schema.ins_tables failed
• taosd crashed when select count(*) on the resulting table of stream processing
• Scalar function crashed with stream processing
• UDFD crashed
• Result of mode() is wrong
• tags are not returned when select *
• Some other crashe problems in taosd