Hi,
I have been using kylin 2.3.2 for a while but for few days I am getting the
below error in the first step
java.lang.NullPointerException
at
org.apache.kylin.source.hive.CreateFlatHiveTableStep.getCubeSpecificConfig(CreateFlatHiveTableStep.java:64)
at
Hi,
Thanks for your response. But in hybrid model, it says that the cube 1 will
not be built anymore and will only be queried. But in my usecase the new
measures and dimensions has to built for the historical period also. In that
case, hybrid doesn't fit right? Please clarify
Thanks,
Neethu
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Yes, the new logo looks like a fine improvement from the old.
Thanks,
Neethu
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Hi,
Even I get empty values in the metric column if I give select * and I am
using kylin version 2.3.2. What will be the work around to get the raw
metric values. I tried "select dimensions, sum(metric_col) group by
dimension", but this gives the grouped data and not the raw data.
Does that mean
Hi,
After building the cube 1 for some time, there are few dimensions added to
the fact table and so I create a second cube with the new dimensions and
tried to join the two cubes on the common column. But I get the below error,
No model found for OLAPContext, CUBE_NOT_CONTAIN_ALL_COLUMN.
What
Hi,
I know this is the old post, but I don't think kylin 2.x has the facility to
add more than 1 fact table. Is this correct. Please clarify.
Thanks,
Neethu
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Hi,
I have a use case and need suggestion.
I have a hive table where in the future there can be new dimensions added.
Currently I have a cube on that hive table with say 10 dimensions computed.
Now as and when the new dimensions are added (say 3 dimensions are added),
we have to refresh with the
Hi,
I have a confusion in the algorithms kylin has for different data. There
are:
1. By Layer
2. Fast Cubing (MR)
3. Fast Cubing with spark
>From what I have researched, fast cubing algorithm is the "in-mem"
algorithm.
Now, in my production, I am using "layer" cubing algorithm, but I see a step
Thanks for your response.
We are using kylin 2.3.2 version. Is it has to do with the zookeeper because
one of our zookeeper node is dead.
Thanks,
Neethu
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Hi,
I have been getting null pointer exception and the error says executablePO
is null
2018-08-24 06:42:27,653 ERROR [http-bio-7070-exec-15]
controller.JobController:146 :
java.lang.NullPointerException...
Can anyone please explain whats happening? Does that mean kylin does not
find any task to
Hi,
I am using Kylin 2.3.2 and I see the following error appears in the log even
if there is no job building
org.apache.kylin.rest.exception.InternalErrorException:
java.lang.NullPointerException. Is this the bug in Kylin? Please clarify.
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Hi,
I am using kylin 2.3.2 and I see that kylin does not update the status even
after the progress is 100%. Is this a bug or something else? The job runs
continuously until I drop it. The results are saved to HBASE and I am able
to query it. Please clarify.
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So I have restored and restarted kylin and I can see that the data type has
been changed to decimal(19,6). When I try to build the cube it says, it
gives me an error saying that "inconsistent cubedesc_signature". Is there
anything I should do for that?
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Hi,
So I have changed the json file of my cube after taking the backup and now
do I have to restore to see the change?
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One doubt, when I am creating the cube, I see the default type of the measure
is decimal(19,4). Will it change after I build the cube?
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Yes, I have sync the hive table again and seems to take the default
decimal(19,4).
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Hi,
Thanks for your response. I have configured the kylin.properties file with
kylin.source.hive.default-decimal-scale=6
kylin.source.hive.default-decimal-precision=19
and restarted kylin. But still I get the default as decimal(19,4). Please
help.
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Currently, I am not able to select the data type of the measure. I want to
have decimal(19,6) but in my current version 2.2.0, kylin defaults the data
type to decimal(19,4). How can I change this? Please respond.
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Hi,
I am trying to use Apache Kylin for my work and need some clarity. Say, I
have 10 dimensions but I have 2 AGG with 6 dimensions. From what I
understand, the cuboids are created from the AGG. How does the row key will
be created to be stored to HBASE? what about the rest 4 dimesions in the
data
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