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HBASE-1887 Update hbase trunk to latests on hadoop 0.21 branch so we can all test sync/append; add more to testsync test -- make sure does right thing if file spans multiple blocks 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/hbase/trunk@823925 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Michael Stack 2009-10-10 19:34:22 +00:00
parent 9a08fcfdf1
commit cfaf4fab71
1 changed files with 24 additions and 0 deletions
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24
src/test/org/apache/hadoop/hbase/regionserver/TestHLog.java
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@ -44,6 +44,8 @@ public class TestHLog extends HBaseTestCase implements HConstants {
public void setUp() throws Exception {
// Enable append for these tests.
this.conf.setBoolean("dfs.support.append", true);
// Make block sizes small.
this.conf.setInt("dfs.blocksize", 1024 * 1024);
cluster = new MiniDFSCluster(conf, 3, true, (String[])null);
// Set the hbase.rootdir to be the home directory in mini dfs.
this.conf.set(HConstants.HBASE_DIR,
@ -160,6 +162,28 @@ public class TestHLog extends HBaseTestCase implements HConstants {
count = 0;
while(reader.next(key)) count++;
assertEquals(total * 2, count);
// Now do a test that ensures stuff works when we go over block boundary,
// especially that we return good length on file.
final byte [] value = new byte[1025 * 1024]; // Make a 1M value.
for (int i = 0; i < total; i++) {
List<KeyValue> kvs = new ArrayList<KeyValue>();
kvs.add(new KeyValue(Bytes.toBytes(i), bytes, value));
wal.append(bytes, bytes, kvs, false, System.currentTimeMillis());
}
// Now I should have written out lots of blocks. Sync then read.
wal.sync();
reader = HLog.getReader(this.fs, walPath, this.conf);
count = 0;
while(reader.next(key)) count++;
assertEquals(total * 3, count);
reader.close();
// Close it and ensure that closed, Reader gets right length also.
wal.close();
reader = HLog.getReader(this.fs, walPath, this.conf);
count = 0;
while(reader.next(key)) count++;
assertEquals(total * 3, count);
reader.close();
}
private void verifySplits(List<Path> splits, final int howmany)