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recycle hash pages 

git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@631537 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Robert Davies 2008-02-27 10:21:27 +00:00
parent 5075fb9dea
commit 00893abe27
4 changed files with 16 additions and 7 deletions
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11
activemq-core/src/main/java/org/apache/activemq/kaha/impl/index/hash/HashBin.java
View File

@ -23,6 +23,8 @@ import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import sun.security.action.GetBooleanAction;
/**
* Bin in a HashIndex
*
@ -219,6 +221,11 @@ class HashBin {
HashPageInfo page = getRetrievePage(index);
int offset = getRetrieveOffset(index);
HashEntry result = page.removeHashEntry(offset);
if (page.isEmpty()) {
hashPages.remove(page);
hashIndex.releasePage(page.getPage());
}
doUnderFlow(index);
return result;
}
@ -295,9 +302,7 @@ class HashBin {
}
}
private void doUnderFlow(@SuppressWarnings("unused")
int index) {
// does little
private void doUnderFlow(int index) {
}
private void end() throws IOException {

6
activemq-core/src/main/java/org/apache/activemq/kaha/impl/index/hash/HashIndex.java
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@ -462,8 +462,8 @@ public class HashIndex implements Index, HashIndexMBean {
}
static {
DEFAULT_PAGE_SIZE = Integer.parseInt(System.getProperty("defaultPageSize", "16384"));
DEFAULT_KEY_SIZE = Integer.parseInt(System.getProperty("defaultKeySize", "96"));
DEFAULT_BIN_SIZE= Integer.parseInt(System.getProperty("defaultBinSize", "1024"));
DEFAULT_PAGE_SIZE = Integer.parseInt(System.getProperty("defaultPageSize", "8000"));
DEFAULT_KEY_SIZE = Integer.parseInt(System.getProperty("defaultKeySize", "80"));
DEFAULT_BIN_SIZE= Integer.parseInt(System.getProperty("defaultBinSize", "128"));
}
}

4
activemq-core/src/main/java/org/apache/activemq/kaha/impl/index/hash/HashPageInfo.java
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@ -56,6 +56,10 @@ class HashPageInfo {
return this.size;
}
boolean isEmpty() {
return size <= 0;
}
/**
* @param size the size to set
*/

2
activemq-core/src/main/java/org/apache/activemq/store/kahadaptor/KahaReferenceStoreAdapter.java
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@ -59,7 +59,7 @@ public class KahaReferenceStoreAdapter extends KahaPersistenceAdapter implements
private static final Log LOG = LogFactory.getLog(KahaReferenceStoreAdapter.class);
private static final String STORE_STATE = "store-state";
private static final String INDEX_VERSION_NAME = "INDEX_VERSION";
private static final Integer INDEX_VERSION = new Integer(4);
private static final Integer INDEX_VERSION = new Integer(5);
private static final String RECORD_REFERENCES = "record-references";
private static final String TRANSACTIONS = "transactions-state";
private MapContainer stateMap;