taosdata/TDengine

咨询是否存在文件句柄超限问题

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#35,377 opened on Jun 3, 2026

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Description

之前用其他时序库，存储几年数据或者偶然插入一些100年以后时间的数据，运行查询时会导致服务假死。当时分析原因是文件句柄超过系统默认限制，时区库数据按文件存储，假如查询条件中时间跨度大或全表扫描时，会导致占用很多文件句柄，导致超限。Dengine会有类似的问题吗？

Contributor guide

Tech stack
c
Domain
database
Issue type
research
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
1
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
under 1 hour
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
fresh
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
clear
Prerequisites
None
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
80
Research direction
Investigate TDengine's file handle management, especially regarding timezone data storage and query handling over large time ranges.