FAQ
The statestore is not the metastore:
http://www.cloudera.com/content/cloudera-content/cloudera-docs/Impala/latest/Installing-and-Using-Impala/ciiu_concepts.html?scroll=topic_intro_statestore_unique_1

Metastore:
http://www.cloudera.com/content/cloudera-content/cloudera-docs/Impala/latest/Installing-and-Using-Impala/ciiu_concepts.html?scroll=topic_intro_metastore_unique_1

The metatore knows the location of blocks in HDFS.

Best
- Alex
On May 18, 2013, at 4:46 PM, FU Tianyuan wrote:

Hi Alex,

I used the ${IMPALA_HOME}/bin/start-impalad.sh -use_statestore=false
and Do I need a hive metastore up?




2013/5/18 Alexander Alten-Lorenz <alexander@cloudera.com>
Hi,

Do you have a HDFS cluster with Hive Metastore up and running? I guess not:
fs.defaultFS(file:///) might be set incorrectly - Alex
On May 18, 2013, at 3:45 PM, FU Tianyuan wrote:

Hi all,

After I have built impala 1.0 on CentOS 6.4 I want to start the impalad use

${IMPALA_HOME}/bin/start-impalad.sh -use_statestore=false


but there is an error here :
***************************************************************************
E0518 21:33:22.755887 8977 impala-server.cc:648] Unsupported file system. Impala only supports DistributedFileSystem but the LocalFileSystem was found. fs.defaultFS(file:///) might be set incorrectly
E0518 21:33:22.756579 8977 impala-server.cc:650] Impala is aborted due to improper configurations.
***************************************************************************
what's wrong is this?

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