当你遇到 ClickHouse 的 "read timed out" 错误时,通常是由于查询执行时间过长,超过了配置的读取超时时间。以下是一些解决这个问题的步骤: 1. 确认ClickHouse服务状态 首先,确保 ClickHouse 服务正在运行。你可以使用如下命令检查服务状态(以 Linux 系统为例): bash sudo systemctl status clickhouse-server 如果服务...
1 问题描述 在使用Clickhouse(21.3.4.25)进行大数据量地数据查询,高频报出 SQLException : Read timed out 错误 2 问题分析 2.1 单次查询:耗时约4s 2.2 并发20查询:报SQLException Read timeout,并发5查询:正常
net.SocketTimeoutException: Read timed out 解决方案 1、数据源增加配置:?socket_timeout=300000 或者 2、在传输任务配置target.urlSuffix=socket_timeout=300000 问题原因 在通过ClickHouse官方驱动使用java代码连接数据库的时候,有时由于ClickHouse服务器在高负载下出现滞后以及ClickHouse服务器和JDBC驱动程序的超时...
询问ai(这里相当于重新给我理清楚了一下定位问题的思路) This error message indicates that a distributed DDL (Data Definition Language) query timed out before it could be executed. Distributed DDL queries are used to modify the structure of a ClickHouse cluster, such as creating or altering a table...
使用者佈建參數時需要在jdbc連結串上添加socket_timeout這個property,單位是毫秒,例如:'jdbc:clickhouse://127.0.0.1:8123/default?socket_timeout=3600000'。 如何處理使用SLB連結時的異常斷鏈 阿里雲上的SLB連結在長時間內沒有資料報文發送時會自動取消連結,用戶端收到”read timeout“錯誤,查詢無法追蹤。對於這種...
We also notice timeouts when making requests to clickhouse from servers in the same data center: ru.yandex.clickhouse.except.ClickHouseException: ClickHouse exception, code: 159, host: ip6-localhost, port: 8123; Read timed out, query: al...
Q:ClickHouse 8123 端口 Read timed out 怎么优化呢? A:从2个方面来看: ClickHouse进程所在机器负载情况如何,网卡,网卡,磁盘是否已出现瓶颈。 在客户端,在适当调整Timeout值后,仍然出现超时,可以看看客户端所在机器负载情况,以及到ClickHouse机器的网络状况。
08:43:24.717266 [error] [MainThread]: Database Error in model dwh_accounts_user (models/generated/airbyte_tables/mydb_dw/dwh_accounts_user.sql) 08:43:24.717452 [error] [MainThread]: Error HTTPConnectionPool(host='xx.xx.xx.xx', port=8123): Read timed out. (read timeout=300) executing...
LIMIT 1500 OFFSET 0 ]; SQL state [null]; error code [159]; ClickHouse exception, code: 159, host: 10.10.0.54, port: 8123; Read timed out; nested exception is ru.yandex.clickhouse.except.ClickHouseException: ClickHouse exception, code: 159, host: 10.10.0.54, port: 8123; Read timed out...
Spark read clickhouse table, connect timed out #1681 selmi2 opened this issue Jun 8, 2024· 0 comments Labels bug Comments selmi2 commented Jun 8, 2024 • edited Describe the bug Steps to reproduce download spark Run server/worker Run shell : spark/bin/spark-shell --packages com.cl...