[ http://issues.apache.org/jira/browse/HADOOP-803?page=comments#action_12460093 ] Raghu Angadi commented on HADOOP-803: -------------------------------------
+1 I was thinking of the same. How much do think the memory difference between a LinkedList entry and ArrayList entry? > Reducing memory consumption on Namenode : Part 1 > ------------------------------------------------ > > Key: HADOOP-803 > URL: http://issues.apache.org/jira/browse/HADOOP-803 > Project: Hadoop > Issue Type: Bug > Components: dfs > Reporter: Raghu Angadi > Assigned To: Raghu Angadi > Attachments: block-refs-2.patch, block-refs-3.patch, > block-refs-5.patch > > > There appears to be some places in Namenode that allow reducing memory > consumption without intrusive code or feature changes. This bug is an initial > attempt making those changes. Please include your thoughts as well. > One change I am planning to make : > Currently one copy of each block exists for each of the replicas and one copy > for blockMap. I think they are all supposed to be same. -- This message is automatically generated by JIRA. - If you think it was sent incorrectly contact one of the administrators: http://issues.apache.org/jira/secure/Administrators.jspa - For more information on JIRA, see: http://www.atlassian.com/software/jira
