Druid 0.17.0

[flyops]

Hello, 

I encountered an issue while using Druid. The metadata is stored in MySQL, and deep storage is using HDFS. I imported MySQL into a new cluster, modified the historical data, and pointed it to the new cluster, but I am unable to read the historical records. Is there any relevant documentation? Could there be an issue with the metadata I imported?

[Ben Krug]

Did you move the deep storage location?  If so, did you update MySQL records (in the payload) to reflect the new location?

One way or the other, it sounds like it can't find the segments, or if it can, maybe it can't read them.  Anything in logs (eg, overlord, coordinator)?

On Thu, Dec 26, 2024 at 9:28 PM flyops <wulian...@gmail.com> wrote:

Hello, 

I encountered an issue while using Druid. The metadata is stored in MySQL, and deep storage is using HDFS. I imported MySQL into a new cluster, modified the historical data, and pointed it to the new cluster, but I am unable to read the historical records. Is there any relevant documentation? Could there be an issue with the metadata I imported?

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