Hi Manish,
Thanks for proposing configured columns for min max cache. This will help
customers who has large data but only few columns are used for filter
condition.
+1 for the solution 1.
Regards,
Kanaka
On Fri, Jun 22, 2018 at 11:39 AM, manishgupta88
wrote:
> Thanks Ravi for the feedback.
hi,
on cluster. see error log as below:
2018-06-22T15:49:31.577+0800INFOquery-execution-4234
com.facebook.presto.event.query.QueryMonitorTIMELINE: Query
20180622_074931_07271_ehasj ::
Transaction:[3f6d5c62-045c-4638-b2dd-4025dddb2550] :: elapsed 12ms :: planning
3ms ::
Hi,
Are you running it on local or cluster, it should not come but if you will
send the stack trace we can resolve it.
Regards
Bhavya
On Fri, Jun 22, 2018 at 12:51 PM, 陈星宇 wrote:
> hi ,
> i query carbondata by presto, but got error : tableCacheModel.carbonTable
> should not be null
> any idea
hi ,
i query carbondata by presto, but got error : tableCacheModel.carbonTable
should not be null
any idea for this issue?
chenxingyu
Hi Kunal,
I have some questions.
*Problem(Locking):*
Does the memory lock support that the multiple drivers concurrently load
data to the same table? maybe it should note this limitation.
*Problem(Write with append mode):*
1. atomicity
After the overwrite operation failed, maybe the
Thanks Ravi for the feedback. I completely agree with you that we need to
develop the second solution ASAP. Please find my response below for your
queries.
1. what if the query comes on noncached columns, will it start read from
disk in driver side for minmax ?
- If query is on a non-cached
