Issue displaying table record

Woo Khai Yee Lv.4悟道发布于 2023-12-06 07:55 最后回复 2023-12-07 18:01:29 问答

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I have a table with about 14000 records as below. The latest 8200 records can be viewed without any problems in table view. However when I tried to browse beyond the latest 8200 records, this error message as below is shown. If I search and filter to retrieve the earlier records, it can still be accessed. It is just that I can't view it in table view. For information, I do have larger tables with about 30000 records that I'm able to view without any problems. I have also noticed that if I try to create a search acceleration index for this table, it will also give a backend error without completing the task. What could be the issue that this error is displayed? [图片]

Woo Khai Yee Lv.4悟道 2023-12-07 18:01:29

mj4ever 2023-12-07 09:55:32

我在 SaaS 官网复现了你的现象，我这边有个表是 60+ 字段，如果我按照自己定义的字段做为排序，那么就出现了如下的错误 [图片] 调整下排序字段，改为系统自带的时间字段，推测是 mingdao 默认会增加这些字段的索引，是不会报错 [图片] 尝试对【签署日期】字段设置了降序索引，设置成功后，就不会再出现报错了。 [图片] 总结下：视图中如果使用的排序字段是用户自定义的业务字段，当查询到一定范围的页码时，会出现服务异常的报错，通过设置排序索引，可以解决设置排序索引，对于私有化部署版本，可能需要调整 MongoDB 的 internalQueryExecMaxBlockingSortBytes 参数，查看了下官方文档，暂时没有看到这个参数可以由配置文件去定义 [图片] 临时解决方法：需要将容器中的 entrypoint.sh 拷贝出来，找到 MongoDB 启动时命令，增加这个 mongod --setParameter internalQueryExecMaxBlockingSortBytes=63554432 。不是非常推荐这么做，不好维护

我在 SaaS 官网复现了你的现象，我这边有个表是 60+ 字段，如果我按照自己定义的字段做为排序，那么就出现了如下的错误

调整下排序字段，改为系统自带的时间字段，推测是 mingdao 默认会增加这些字段的索引，是不会报错

尝试对【签署日期】字段设置了降序索引，设置成功后，就不会再出现报错了。

总结下：

视图中如果使用的排序字段是用户自定义的业务字段，当查询到一定范围的页码时，会出现 服务异常 的报错，通过设置排序索引，可以解决

设置排序索引，对于私有化部署版本，可能需要调整 MongoDB 的 internalQueryExecMaxBlockingSortBytes 参数，查看了下官方文档，暂时没有看到这个参数可以由配置文件去定义

临时解决方法：需要将容器中的 entrypoint.sh 拷贝出来，找到 MongoDB 启动时命令，增加这个 mongod --setParameter internalQueryExecMaxBlockingSortBytes=63554432。不是非常推荐这么做，不好维护

Hi, you are right. When I used the system Date Created column, it can sort properly with a 32Mb sorting RAM. But when I choose another field, even an indexed one, it run into the memory error again.

I guess at this moment I can use the Date Created first, however I'm looking into your solution no 2 which I have looked around too, and run into the same problem as you. I can't find the documentation for the environment variable as well.

As for solution no 3, I have to agree that it is very impractical and difficult to maintain.

Thank you very much for the help!

mj4ever Lv.5明道 2023-12-07 09:55:32

Woo Khai Yee 2023-12-07 08:54:09

To recap the solution below, apparently the setting is reverted back to original once the server is restarted. Is there any way to make the RAM size increase permament? I have created an index for the table, but apparently it still have memory error issue when doing sorting. I'm surprised that I don't have issue with other tables with more data. I'm not sure if it is because this table has almost 60 over columns, causing this issue to happen.

To recap the solution below, apparently the setting is reverted back to original once the server is restarted. Is there any way to make the RAM size increase permament?

I have created an index for the table, but apparently it still have memory error issue when doing sorting. I'm surprised that I don't have issue with other tables with more data. I'm not sure if it is because this table has almost 60 over columns, causing this issue to happen.

我在 SaaS 官网复现了你的现象，我这边有个表是 60+ 字段，如果我按照自己定义的字段做为排序，那么就出现了如下的错误

调整下排序字段，改为系统自带的时间字段，推测是 mingdao 默认会增加这些字段的索引，是不会报错

尝试对【签署日期】字段设置了降序索引，设置成功后，就不会再出现报错了。

总结下：

视图中如果使用的排序字段是用户自定义的业务字段，当查询到一定范围的页码时，会出现 服务异常 的报错，通过设置排序索引，可以解决
设置排序索引，对于私有化部署版本，可能需要调整 MongoDB 的 internalQueryExecMaxBlockingSortBytes 参数，查看了下官方文档，暂时没有看到这个参数可以由配置文件去定义
临时解决方法：需要将容器中的 entrypoint.sh 拷贝出来，找到 MongoDB 启动时命令，增加这个 mongod --setParameter internalQueryExecMaxBlockingSortBytes=63554432。不是非常推荐这么做，不好维护

Woo Khai Yee Lv.4悟道 2023-12-07 08:54:09

Woo Khai Yee 2023-12-06 19:09:22

I managed to solve the issue by temporarily increasing the MongoDB sorting RAM by using the command db.adminCommand({setParameter: 1, internalQueryExecMaxBlockingSortBytes: 63554432}) This effectively double the RAM available for me. I will now create the index and will reduce it back to 32MB once the index is created successfully. Thank you for the help!

I managed to solve the issue by temporarily increasing the MongoDB sorting RAM by using the command

db.adminCommand({setParameter: 1, internalQueryExecMaxBlockingSortBytes: 63554432})

This effectively double the RAM available for me. I will now create the index and will reduce it back to 32MB once the index is created successfully.

Thank you for the help!

To recap the solution below, apparently the setting is reverted back to original once the server is restarted. Is there any way to make the RAM size increase permament?

I have created an index for the table, but apparently it still have memory error issue when doing sorting. I'm surprised that I don't have issue with other tables with more data. I'm not sure if it is because this table has almost 60 over columns, causing this issue to happen.

李恩涛 Lv.6传道明道云员工 2023-12-06 21:18:22

mj4ever 2023-12-06 15:17:24

根据你的错误日志，问了下 GPT，看样子就是 MongoDB 的内存不够了导致的，如下图所示： [图片] 另外，你这个部署环境，数据量是不是比较大，几万数据，对于 32G 内存部署问题应该不大，如果方便，你可以查看下 MongoDB 的情况（1） docker exec -it script_app_1 bash -c mongostat [图片] （2） docker exec -it script_app_1 bash -c mongo 然后输入 db.serverStatus().mem [图片]

根据你的错误日志，问了下 GPT，看样子就是 MongoDB 的内存不够了导致的，如下图所示：

另外，你这个部署环境，数据量是不是比较大，几万数据，对于 32G 内存部署问题应该不大，如果方便，你可以查看下 MongoDB 的情况
（1）docker exec -it script_app_1 bash -c mongostat

（2）docker exec -it script_app_1 bash -c mongo 然后输入 db.serverStatus().mem

顶级外援

Woo Khai Yee Lv.4悟道 2023-12-06 19:09:22

Woo Khai Yee 2023-12-06 14:17:56

Thank you for your advice. After checking the system log, it seems that the operation required more RAM than available. How do we allocate more than the needed RAM? [图片]

Thank you for your advice. After checking the system log, it seems that the operation required more RAM than available. How do we allocate more than the needed RAM?

I managed to solve the issue by temporarily increasing the MongoDB sorting RAM by using the command

db.adminCommand({setParameter: 1, internalQueryExecMaxBlockingSortBytes: 63554432})

This effectively double the RAM available for me. I will now create the index and will reduce it back to 32MB once the index is created successfully.

Thank you for the help!

mj4ever Lv.5明道 2023-12-06 15:17:24

Woo Khai Yee 2023-12-06 14:17:56

Thank you for your advice. After checking the system log, it seems that the operation required more RAM than available. How do we allocate more than the needed RAM? [图片]

Thank you for your advice. After checking the system log, it seems that the operation required more RAM than available. How do we allocate more than the needed RAM?

根据你的错误日志，问了下 GPT，看样子就是 MongoDB 的内存不够了导致的，如下图所示：

另外，你这个部署环境，数据量是不是比较大，几万数据，对于 32G 内存部署问题应该不大，如果方便，你可以查看下 MongoDB 的情况
（1）docker exec -it script_app_1 bash -c mongostat

（2）docker exec -it script_app_1 bash -c mongo 然后输入 db.serverStatus().mem

Woo Khai Yee Lv.4悟道 2023-12-06 14:17:56

Woo Khai Yee 2023-12-06 07:55:33

I forgot to add, I'm using Community Edition version 4.8.1

I forgot to add, I'm using Community Edition version 4.8.1

Thank you for your advice. After checking the system log, it seems that the operation required more RAM than available. How do we allocate more than the needed RAM?

mj4ever Lv.5明道 2023-12-06 09:10:51

可以先打开【系统配置-日志】页面，然后复现上面的错误，同时观察下日志中的变化，定位到错误信息

另外，创建索引的时候，如果出现错误，也可以用上面的方法

总之，先观察下日志的，从日志进一步的定位

Woo Khai Yee Lv.4悟道 2023-12-06 07:55:33

I forgot to add, I'm using Community Edition version 4.8.1

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