You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@druid.apache.org by GitBox <gi...@apache.org> on 2019/07/23 09:27:44 UTC
[GitHub] [incubator-druid] mihai-cazacu-adswizz edited a comment on issue
#7597: [materialized view] The generated specification is too big
mihai-cazacu-adswizz edited a comment on issue #7597: [materialized view] The generated specification is too big
URL: https://github.com/apache/incubator-druid/issues/7597#issuecomment-514067508
I have this error again. One interval contains `3,130 segments` and the generated specification is huge.
```
/opt/druid/current/log/druid.log:2019-07-22T13:16:23,702 ERROR [MaterializedViewSupervisor-mv_some-ds] org.apache.druid.java.util.emitter.core.HttpPostEmitter - Event too large to emit (340,420,078 > 1,047,552): {"feed":"alerts","timestamp":"2019-07-22T13:16:22.627Z","service":"druid/overlord","host":"ec2-34-240-16-186.eu-west-1.compute.amazonaws.com:8090","version":"0.13.0-incubating","severity":"component-failure","description":"uncaught exception in MaterializedViewSupervisor-mv_some-ds.","data":{"class":"org.apache.druid.indexing.materializedview.MaterializedViewSupervisor","exceptionType":"java.lang.RuntimeException","exceptionMessage":"java.lang.RuntimeException: org.skife.jdbi.v2.exceptions.CallbackFailedException: org.skife.jdbi.v2.exceptions.UnableToExecuteStatementException: com.mysql.jdbc.PacketTooBigException: Packet for query is too large (29397252 > 16384000). You can change this value on the server by setting the max_allowed_packet' variable. [statement:\"INSERT INTO druid_tasks (id, created_date, datasource, payload, active, status_payload) VALUES (:id, :created_date, :datasource, :payload, :active, :status_payload)\", located:\"INSERT INTO druid_tasks (id, created_date, ...
```
I am going to increase the value of `maxZnodeBytes` to `32MB` but I don't think that this is the best solution.
Why don't you compress the spec or maybe, even better, store it in DB (instead of sending it to ZK)?
Thank you!
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
users@infra.apache.org
With regards,
Apache Git Services
---------------------------------------------------------------------
To unsubscribe, e-mail: commits-unsubscribe@druid.apache.org
For additional commands, e-mail: commits-help@druid.apache.org