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The following page has been changed by JimKellerman:
http://wiki.apache.org/lucene-hadoop/Hbase/HbaseArchitecture
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* Scans METADATA table to find all tablets and adds those that have not been assigned
to the set of unassigned tablets
- = Chubby =
+ = Distributed Lock Server - a ''Chubby'' clone =
+ * [:DistributedLockServer:see also Hadoop Distributed Lock Server]
- * Distributed Lock Service
- * Provides a namespace of directories and small files
- * Reads and writes to a file are atomic
- * Locking
- * Both directories and files can be used as locks
- * Chubby client maintains a "session" with a Chubby service, which expires if it is unable
to renew it's session lease with ''SessionTimeout'' seconds.
- * Chubby client provides consistent caching of Chubby files
* Uses
1. To ensure that there is at most one active master at any time
1. To store bootstrap location of Bigtable data
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