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public interface HMasterRegionInterface
HRegionServers interact with the HMasterRegionInterface to report on local goings-on and to obtain data-handling instructions from the HMaster.
Field Summary | |
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static long |
versionID
Interface version number |
Method Summary | |
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HMsg[] |
regionServerReport(HServerInfo info,
HMsg[] msgs)
Called to renew lease, tell master what the region server is doing and to receive new instructions from the master |
HbaseMapWritable |
regionServerStartup(HServerInfo info)
Called when a region server first starts |
Methods inherited from interface org.apache.hadoop.ipc.VersionedProtocol |
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getProtocolVersion |
Field Detail |
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static final long versionID
Method Detail |
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HbaseMapWritable regionServerStartup(HServerInfo info) throws IOException
info
-
IOException
HMsg[] regionServerReport(HServerInfo info, HMsg[] msgs) throws IOException
info
- server's address and start codemsgs
- things the region server wants to tell the master
IOException
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