kylin cube build step1

hi，kylin group:In cube building step 1:create intermediate flat hive table,mapreduce jobs occurs java heap error.The error occurs after upgrade from kylin 1.6.0 to kylin 2.3.0,the cube source records is about 900 thousland -- Sent from: http://apache-kylin.74782.x6.nabble.com/

Re: 答复: kylin merge

it's stuck on MapReduce side.Every segment has about less than 1 MB data(source count:about 400 thousland) the logs below: Error: java.lang.OutOfMemoryError: Java heap space at java.util.Arrays.copyOf(Arrays.java:3236) at java.io.ByteArrayOutputStream.grow(ByteArrayOutputStream.java:118) at java.i

kylin merge

hi,kylin group:the cube merge job keeps running and it doesn't seem to run out, but there is no error message. This kind of imagination came out after upgrading from kylin 1.6.0 to kylin 2.3.0. What should I do? -- Sent from: http://apache-kylin.74782.x6.nabble.com/

cube segment

hi，kylin group! I hope that kylin can provide the function of segment's management in later versions，or can you provide some ways to develop this feature myself. Thanks ALL! -- Sent from: http://apache-kylin.74

kylin cube build

SHAOFENG： Hi！the cube build go wrong in the step 3.The following stack is java.lang.NoSuchMethodError: org.apache.hive.common.util.ShutdownHookManager.addShutdownHook(Ljava/lang/Runnable;)V at org.apache.hive.hcatalog.common.HiveClientCache.createShutdownHook(HiveClientCache.java:221)

kylin cube build

SHAOFENG： Hi！the cube build go wrong in the step 3.The following stack is java.lang.NoSuchMethodError: org.apache.hive.common.util.ShutdownHookManager.addShutdownHook(Ljava/lang/Runnable;)V at org.apache.hive.hcatalog.common.HiveClientCache.createShutdownHook(HiveClientCache.java:221)

Re: kylin merge

yes, the cube has the big dictionary.So,which encoding a high cardinality column should use.The column is the time in the format "-MM-dd HH: mm: ss".Shaofeng,have you some advice for me? -- Sent from: http://apache-kylin.74782.x6.nabble.com/

Re: kylin merge

yes, the cube has the big dictionary.So,which encoding a high cardinality column should use.The column is the time in the format "-MM-dd HH: mm: ss".Shaofeng,have you some advice for me? -- Sent from: http://apache-kylin.74782.x6.nabble.com/

kylin merge

the cube's json is shown by the following picture. when the cube merged,it failed because the java.lang.OutOfMemoryError exception below. Error: java.lang.OutOfMemoryError: Java heap space at org.apache.kylin.dict.TrieDictionary.readF

kylin cube merge

the cube's json is shown by the following picture. when the cube merged,it failed because the java.lang.OutOfMemoryError exception below. Error: java.lang.OutOfMemoryError: Java heap space at org.apache.kylin.dict.TrieDictionary.readField

Re: kylin cube merge

the kylin version is 1.6.0 and the Cube JSON is as shown below { "uuid": "da671441-c531-4afe-8587-93863375ac73", "last_modified": 1509988752909, "version": "1.6.0", "name": "event_cube", "owner": "ADMIN", "descriptor": "event_cube", "cost": 50, "status": "READY", "segments": [

kylin cube merge

I have a problem:the cube's merging go wrong on the forth stage? this is the stack: Error: java.lang.NullPointerException at com.google.common.base.Preconditions.checkNotNull(Preconditions.java:187) at com.google.common.cache.LocalCache.get(LocalCache.java:3964) at com.google.common.cache.LocalCac