ElephantDB Alternatives

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Adarsh Jain

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Jun 3, 2014, 5:10:38 PM6/3/14
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We are facing a lot of issues with ElephantDB in production, can anybody suggest alternative to the same in
context of Lambda architecture  ...

Thanks,
Adarsh

Soren Macbeth

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Jun 3, 2014, 5:16:15 PM6/3/14
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What issues are you facing? What version are you running?


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Adarsh Jain

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Jun 4, 2014, 4:20:14 AM6/4/14
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Every time we restart the server it will just not start for no reason and then will start for no reason. Last time we had to 
do it we change the EDB port and revert iot again to get it started ... this time its giving 

We are using EDB Version 0.4.4 with Hadoop 2 Error we are getting this time

[pool-2-thread-3] ERROR org.apache.thrift.server.THsHaServer  - Unexpected throwable while invoking!
java.lang.NullPointerException
 at clojure.lang.Reflector.invokeNoArgInstanceMember(Reflector.java:296)
 at elephantdb.common.domain$prioritize_hosts.invoke(domain.clj:259)
 at elephantdb.keyval.domain$index_keys$iter__2630__2634$fn__2635.invoke(domain.clj:54)
 at clojure.lang.LazySeq.sval(LazySeq.java:42)
 at clojure.lang.LazySeq.seq(LazySeq.java:60)
 at clojure.lang.RT.seq(RT.java:484)
 at clojure.core$seq.invoke(core.clj:133)
 at clojure.core$some.invoke(core.clj:2442)
 at elephantdb.keyval.core$multi_get.invoke(core.clj:122)
 at elephantdb.keyval.core$kv_service$reify__2679$fn__2682.invoke(core.clj:164)
 at elephantdb.keyval.core.proxy$java.lang.Object$Callable$f8c5758f.call(Unknown Source)
 at com.yammer.metrics.core.Timer.time(Timer.java:91)
 at elephantdb.keyval.core$kv_service$reify__2679.multiGet(core.clj:160)
 at elephantdb.generated.keyval.ElephantDB$Processor$multiGet.getResult(ElephantDB.java:350)
 at elephantdb.generated.keyval.ElephantDB$Processor$multiGet.getResult(ElephantDB.java:338)
 at org.apache.thrift.ProcessFunction.process(ProcessFunction.java:32)
 at org.apache.thrift.TBaseProcessor.process(TBaseProcessor.java:34)
 at org.apache.thrift.server.AbstractNonblockingServer$FrameBuffer.invoke(AbstractNonblockingServer.java:477)
 at org.apache.thrift.server.Invocation.run(Invocation.java:18)
 at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
 at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
 at java.lang.Thread.run(Thread.java:744)
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