[jira] [Updated] (CASSANDRA-8362) Reduce memory usage of RefCountedMemory
[ https://issues.apache.org/jira/browse/CASSANDRA-8362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] C. Scott Andreas updated CASSANDRA-8362: Component/s: Core > Reduce memory usage of RefCountedMemory > --- > > Key: CASSANDRA-8362 > URL: https://issues.apache.org/jira/browse/CASSANDRA-8362 > Project: Cassandra > Issue Type: Improvement > Components: Core >Reporter: Vijay >Assignee: Vijay >Priority: Minor > > We can store the references as the first 4 bytes of the Unsafe memory and use > case CAS[1] for reference counting of the memory. > This change will reduce the object over head + additional 4 bytes from java > heap. Calling methods can reference as long's. > [1] > http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/6-b14/java/util/concurrent/atomic/AtomicInteger.java#AtomicInteger.incrementAndGet%28%29 -- This message was sent by Atlassian JIRA (v7.6.3#76005) - To unsubscribe, e-mail: commits-unsubscr...@cassandra.apache.org For additional commands, e-mail: commits-h...@cassandra.apache.org
[jira] [Updated] (CASSANDRA-8362) Reduce memory usage of RefCountedMemory
[ https://issues.apache.org/jira/browse/CASSANDRA-8362?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ] Aleksey Yeschenko updated CASSANDRA-8362: - Issue Type: Improvement (was: Bug) > Reduce memory usage of RefCountedMemory > --- > > Key: CASSANDRA-8362 > URL: https://issues.apache.org/jira/browse/CASSANDRA-8362 > Project: Cassandra > Issue Type: Improvement >Reporter: Vijay >Assignee: Vijay >Priority: Minor > > We can store the references as the first 4 bytes of the Unsafe memory and use > case CAS[1] for reference counting of the memory. > This change will reduce the object over head + additional 4 bytes from java > heap. Calling methods can reference as long's. > [1] > http://grepcode.com/file/repository.grepcode.com/java/root/jdk/openjdk/6-b14/java/util/concurrent/atomic/AtomicInteger.java#AtomicInteger.incrementAndGet%28%29 -- This message was sent by Atlassian JIRA (v6.3.4#6332)
