Issues

• vnode意外损坏，服务无法启动

  bug
  taosdata/TDengine#35461 · Filter by author MarJavaW opened on Sep 23, 2026

• GROUP BY on a VARCHAR column is priced by the declared width, not the data: 10s at VARCHAR(32) vs not completing at VARCHAR(4096) for identical values (3.4.2.5)

  taosdata/TDengine#35453 · Filter by author alexey-milovidov opened on Aug 31, 2026
  1

• GROUP BY is capped at 10,000,000 groups: undocumented, no configuration parameter, enforced only after a full scan (3.4.2.5)

  taosdata/TDengine#35452 · Filter by author alexey-milovidov opened on Aug 31, 2026
  1

• AGG(DISTINCT x) beside an aggregate over an expression fails with Out of range [0x80000112] (3.4.2.5)

  taosdata/TDengine#35451 · Filter by author alexey-milovidov opened on Aug 31, 2026
  1

• GROUP BY ... LIMIT n returns all groups when the query has no ORDER BY (3.4.2.5)

  taosdata/TDengine#35450 · Filter by author alexey-milovidov opened on Aug 31, 2026
  1

• taosd segfaults on COUNT(DISTINCT col) when the deduplicated set spills to disk (3.4.2.5)

  taosdata/TDengine#35449 · Filter by author alexey-milovidov opened on Aug 31, 2026
  1

• taos2.2.2.10 报错Database memory is full ，建不了新表，以及两个vnode同步有问题

  bug
  taosdata/TDengine#35443 · Filter by author MoocKiller opened on Aug 27, 2026
  1

• taosdump 3.3.4.3 导出数据时吐核

  bug
  taosdata/TDengine#35437 · Filter by author MeeTwoo opened on Aug 18, 2026
  2

• 创建流后，刚开始可以执行，跑一段时间后出现错误

  bug
  taosdata/TDengine#35420 · Filter by author bfansheng opened on Aug 4, 2026
  3

• insert时0X530错误

  bug
  taosdata/TDengine#35419 · Filter by author dskxvos opened on Jul 31, 2026
  2

• [taosdump] aborts DB dump with rc 255 on tables written during the dump

  bug
  taosdata/TDengine#35415 · Filter by author rpyxao opened on Jul 22, 2026
  1

• Feature: symmetric first-row-per-partition query for super tables, e.g. FIRST_ROW(*)

  taosdata/TDengine#35407 · Filter by author Gerrit1999 opened on Jul 17, 2026
  1

• s3toss can panic on malformed configuration entries

  taosdata/TDengine#35403 · Filter by author VectorPeak opened on Jul 16, 2026

• dnode 出现dropping状态

  bug
  taosdata/TDengine#35400 · Filter by author Blue-53Hz opened on Jul 11, 2026
  1

• 版本3.3.6 控制台风控输出日志 udfd process exited with status 249, signal 0

  bug
  taosdata/TDengine#35397 · Filter by author T-Aoker opened on Jul 9, 2026
  1

• 在Dbeaver中，不能下载、使用最新驱动

  help wantedquestion
  taosdata/TDengine#35396 · Filter by author doveylovey opened on Jul 7, 2026
  2

• td夸多个版本搬迁，导致 vnode12 损坏，然后整个taosd 挂掉

  bug
  taosdata/TDengine#35387 · Filter by author caiqiqqq opened on Jun 12, 2026
  2

• jdbc:taos-ws 使用最新版本，最新客户端出现频繁OOM问题

  bug
  taosdata/TDengine#35386 · Filter by author caiqiqqq opened on Jun 11, 2026
  1

• jdbc:TAOS-WS通过mybatisplus批量插入报错,换RS包正常

  bug
  taosdata/TDengine#35384 · Filter by author jiayan586 opened on Jun 10, 2026
  1

• vgroup leader负载不均

  taosdata/TDengine#35378 · Filter by author ytdfytdf001-cyber opened on Jun 4, 2026
  3

• 咨询是否存在文件句柄超限问题

  help wantedquestion
  taosdata/TDengine#35377 · Filter by author guoguo0123456 opened on Jun 3, 2026
  1

• [aw] Weekly Repository Report failed (pre-agent)

  agentic-workflows
  taosdata/TDengine#35375 · Filter by author github-actions opened on May 31, 2026
  17

• taos 驱动 [B cannot be cast to java.lang.Float

  taosdata/TDengine#35369 · Filter by author hw1992 opened on May 28, 2026
  1

• Java WebSocket JDBC 的 schemaless 写入性能明显低于原生 JDBC，慢一个数量级

  bug
  taosdata/TDengine#35361 · Filter by author nympheon opened on May 25, 2026
  2

• , code: 1000, reason: unknown, remote: true 什么原因

  taosdata/TDengine#35354 · Filter by author hw1992 opened on May 21, 2026
  1