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enhanced RowSet re-sort limit for small sets

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This commit is contained in:
Michael Peter Christen 2014-03-05 23:28:19 +01:00
parent 3c92c439ac
commit 5f4a6892c1
1 changed files with 6 additions and 3 deletions
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9
source/net/yacy/kelondro/index/RowSet.java
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@ -47,7 +47,6 @@ import net.yacy.kelondro.util.MemoryControl;
public class RowSet extends RowCollection implements Index, Iterable<Row.Entry>, Serializable {
private static final long serialVersionUID=-6036029762440788566L;
private static final int collectionReSortLimit = 3000;
public RowSet(final RowSet rs) {
super(rs);
@ -184,6 +183,10 @@ public class RowSet extends RowCollection implements Index, Iterable<Row.Entry>,
}
}
private final int collectionReSortLimit() {
return Math.min(3000, Math.max(100, this.chunkcount / 3));
}
@Override
public final Row.Entry replace(final Row.Entry entry) throws SpaceExceededException {
assert (entry != null);
@ -195,7 +198,7 @@ public class RowSet extends RowCollection implements Index, Iterable<Row.Entry>,
int index = -1;
Row.Entry oldentry = null;
// when reaching a specific amount of un-sorted entries, re-sort all
if ((this.chunkcount - this.sortBound) > collectionReSortLimit) {
if ((this.chunkcount - this.sortBound) > collectionReSortLimit()) {
sort();
}
index = find(key, 0);
@ -287,7 +290,7 @@ public class RowSet extends RowCollection implements Index, Iterable<Row.Entry>,
if (this.rowdef.objectOrder == null) return iterativeSearch(a, astart, 0, this.chunkcount);
if ((this.chunkcount - this.sortBound) > collectionReSortLimit) {
if ((this.chunkcount - this.sortBound) > collectionReSortLimit()) {
sort();
}