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Posted to commits@cassandra.apache.org by jb...@apache.org on 2010/11/03 00:32:40 UTC
svn commit: r1030285 - in /cassandra/branches/cassandra-0.7: ./
contrib/py_stress/ interface/thrift/gen-java/org/apache/cassandra/thrift/
src/java/org/apache/cassandra/db/ src/java/org/apache/cassandra/io/util/
src/java/org/apache/cassandra/service/ sr...
Author: jbellis
Date: Tue Nov 2 23:32:39 2010
New Revision: 1030285
URL: http://svn.apache.org/viewvc?rev=1030285&view=rev
Log:
merge from 0.6
Modified:
cassandra/branches/cassandra-0.7/ (props changed)
cassandra/branches/cassandra-0.7/CHANGES.txt
cassandra/branches/cassandra-0.7/contrib/py_stress/stress.py
cassandra/branches/cassandra-0.7/interface/thrift/gen-java/org/apache/cassandra/thrift/Cassandra.java (props changed)
cassandra/branches/cassandra-0.7/interface/thrift/gen-java/org/apache/cassandra/thrift/Column.java (props changed)
cassandra/branches/cassandra-0.7/interface/thrift/gen-java/org/apache/cassandra/thrift/InvalidRequestException.java (props changed)
cassandra/branches/cassandra-0.7/interface/thrift/gen-java/org/apache/cassandra/thrift/NotFoundException.java (props changed)
cassandra/branches/cassandra-0.7/interface/thrift/gen-java/org/apache/cassandra/thrift/SuperColumn.java (props changed)
cassandra/branches/cassandra-0.7/src/java/org/apache/cassandra/db/ColumnFamilyStore.java
cassandra/branches/cassandra-0.7/src/java/org/apache/cassandra/io/util/FileUtils.java
cassandra/branches/cassandra-0.7/src/java/org/apache/cassandra/service/AbstractCassandraDaemon.java
cassandra/branches/cassandra-0.7/src/java/org/apache/cassandra/thrift/CassandraDaemon.java
cassandra/branches/cassandra-0.7/src/java/org/apache/cassandra/utils/CLibrary.java
cassandra/branches/cassandra-0.7/src/java/org/apache/cassandra/utils/FBUtilities.java
Propchange: cassandra/branches/cassandra-0.7/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Tue Nov 2 23:32:39 2010
@@ -1,4 +1,4 @@
-/cassandra/branches/cassandra-0.6:922689-1030184
+/cassandra/branches/cassandra-0.6:922689-1030284
/cassandra/trunk:1026516-1026734,1028929
/incubator/cassandra/branches/cassandra-0.3:774578-796573
/incubator/cassandra/branches/cassandra-0.4:810145-834239,834349-834350
Modified: cassandra/branches/cassandra-0.7/CHANGES.txt
URL: http://svn.apache.org/viewvc/cassandra/branches/cassandra-0.7/CHANGES.txt?rev=1030285&r1=1030284&r2=1030285&view=diff
==============================================================================
--- cassandra/branches/cassandra-0.7/CHANGES.txt (original)
+++ cassandra/branches/cassandra-0.7/CHANGES.txt Tue Nov 2 23:32:39 2010
@@ -13,6 +13,7 @@ dev
* fix jna errno reporting (CASSANDRA-1694)
* add friendlier error for UnknownHostException on startup (CASSANDRA-1697)
* include jna dependency in RPM package (CASSANDRA-1690)
+ * add --skip-keys option to stress.py (CASSANDRA-1696)
0.7.0-beta3
Modified: cassandra/branches/cassandra-0.7/contrib/py_stress/stress.py
URL: http://svn.apache.org/viewvc/cassandra/branches/cassandra-0.7/contrib/py_stress/stress.py?rev=1030285&r1=1030284&r2=1030285&view=diff
==============================================================================
--- cassandra/branches/cassandra-0.7/contrib/py_stress/stress.py (original)
+++ cassandra/branches/cassandra-0.7/contrib/py_stress/stress.py Tue Nov 2 23:32:39 2010
@@ -61,6 +61,8 @@ except ImportError:
parser = OptionParser()
parser.add_option('-n', '--num-keys', type="int", dest="numkeys",
help="Number of keys", default=1000**2)
+parser.add_option('-N', '--skip-keys', type="float", dest="skipkeys",
+ help="Fraction of keys to skip initially", default=0)
parser.add_option('-t', '--threads', type="int", dest="threads",
help="Number of threads/procs to use", default=50)
parser.add_option('-c', '--columns', type="int", dest="columns",
@@ -189,7 +191,8 @@ class Operation(Thread):
def __init__(self, i, opcounts, keycounts, latencies):
Thread.__init__(self)
# generator of the keys to be used
- self.range = xrange(keys_per_thread * i, keys_per_thread * (i + 1))
+ self.range = xrange(int(keys_per_thread * (i + options.skipkeys)),
+ keys_per_thread * (i + 1))
# we can't use a local counter, since that won't be visible to the parent
# under multiprocessing. instead, the parent passes a "opcounts" array
# and an index that is our assigned counter.
Propchange: cassandra/branches/cassandra-0.7/interface/thrift/gen-java/org/apache/cassandra/thrift/Cassandra.java
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Tue Nov 2 23:32:39 2010
@@ -1,4 +1,4 @@
-/cassandra/branches/cassandra-0.6/interface/thrift/gen-java/org/apache/cassandra/thrift/Cassandra.java:922689-1030184
+/cassandra/branches/cassandra-0.6/interface/thrift/gen-java/org/apache/cassandra/thrift/Cassandra.java:922689-1030284
/cassandra/trunk/interface/thrift/gen-java/org/apache/cassandra/thrift/Cassandra.java:1026516-1026734,1028929
/incubator/cassandra/branches/cassandra-0.3/interface/gen-java/org/apache/cassandra/service/Cassandra.java:774578-796573
/incubator/cassandra/branches/cassandra-0.4/interface/gen-java/org/apache/cassandra/service/Cassandra.java:810145-834239,834349-834350
Propchange: cassandra/branches/cassandra-0.7/interface/thrift/gen-java/org/apache/cassandra/thrift/Column.java
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Tue Nov 2 23:32:39 2010
@@ -1,4 +1,4 @@
-/cassandra/branches/cassandra-0.6/interface/thrift/gen-java/org/apache/cassandra/thrift/Column.java:922689-1030184
+/cassandra/branches/cassandra-0.6/interface/thrift/gen-java/org/apache/cassandra/thrift/Column.java:922689-1030284
/cassandra/trunk/interface/thrift/gen-java/org/apache/cassandra/thrift/Column.java:1026516-1026734,1028929
/incubator/cassandra/branches/cassandra-0.3/interface/gen-java/org/apache/cassandra/service/column_t.java:774578-792198
/incubator/cassandra/branches/cassandra-0.4/interface/gen-java/org/apache/cassandra/service/Column.java:810145-834239,834349-834350
Propchange: cassandra/branches/cassandra-0.7/interface/thrift/gen-java/org/apache/cassandra/thrift/InvalidRequestException.java
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Tue Nov 2 23:32:39 2010
@@ -1,4 +1,4 @@
-/cassandra/branches/cassandra-0.6/interface/thrift/gen-java/org/apache/cassandra/thrift/InvalidRequestException.java:922689-1030184
+/cassandra/branches/cassandra-0.6/interface/thrift/gen-java/org/apache/cassandra/thrift/InvalidRequestException.java:922689-1030284
/cassandra/trunk/interface/thrift/gen-java/org/apache/cassandra/thrift/InvalidRequestException.java:1026516-1026734,1028929
/incubator/cassandra/branches/cassandra-0.3/interface/gen-java/org/apache/cassandra/service/InvalidRequestException.java:774578-796573
/incubator/cassandra/branches/cassandra-0.4/interface/gen-java/org/apache/cassandra/service/InvalidRequestException.java:810145-834239,834349-834350
Propchange: cassandra/branches/cassandra-0.7/interface/thrift/gen-java/org/apache/cassandra/thrift/NotFoundException.java
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Tue Nov 2 23:32:39 2010
@@ -1,4 +1,4 @@
-/cassandra/branches/cassandra-0.6/interface/thrift/gen-java/org/apache/cassandra/thrift/NotFoundException.java:922689-1030184
+/cassandra/branches/cassandra-0.6/interface/thrift/gen-java/org/apache/cassandra/thrift/NotFoundException.java:922689-1030284
/cassandra/trunk/interface/thrift/gen-java/org/apache/cassandra/thrift/NotFoundException.java:1026516-1026734,1028929
/incubator/cassandra/branches/cassandra-0.3/interface/gen-java/org/apache/cassandra/service/NotFoundException.java:774578-796573
/incubator/cassandra/branches/cassandra-0.4/interface/gen-java/org/apache/cassandra/service/NotFoundException.java:810145-834239,834349-834350
Propchange: cassandra/branches/cassandra-0.7/interface/thrift/gen-java/org/apache/cassandra/thrift/SuperColumn.java
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Tue Nov 2 23:32:39 2010
@@ -1,4 +1,4 @@
-/cassandra/branches/cassandra-0.6/interface/thrift/gen-java/org/apache/cassandra/thrift/SuperColumn.java:922689-1030184
+/cassandra/branches/cassandra-0.6/interface/thrift/gen-java/org/apache/cassandra/thrift/SuperColumn.java:922689-1030284
/cassandra/trunk/interface/thrift/gen-java/org/apache/cassandra/thrift/SuperColumn.java:1026516-1026734,1028929
/incubator/cassandra/branches/cassandra-0.3/interface/gen-java/org/apache/cassandra/service/superColumn_t.java:774578-792198
/incubator/cassandra/branches/cassandra-0.4/interface/gen-java/org/apache/cassandra/service/SuperColumn.java:810145-834239,834349-834350
Modified: cassandra/branches/cassandra-0.7/src/java/org/apache/cassandra/db/ColumnFamilyStore.java
URL: http://svn.apache.org/viewvc/cassandra/branches/cassandra-0.7/src/java/org/apache/cassandra/db/ColumnFamilyStore.java?rev=1030285&r1=1030284&r2=1030285&view=diff
==============================================================================
--- cassandra/branches/cassandra-0.7/src/java/org/apache/cassandra/db/ColumnFamilyStore.java (original)
+++ cassandra/branches/cassandra-0.7/src/java/org/apache/cassandra/db/ColumnFamilyStore.java Tue Nov 2 23:32:39 2010
@@ -18,46 +18,22 @@
package org.apache.cassandra.db;
-import java.io.BufferedInputStream;
-import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
-import java.io.FilenameFilter;
-import java.io.IOError;
-import java.io.IOException;
-import java.io.ObjectInputStream;
+import java.io.*;
import java.lang.management.ManagementFactory;
import java.nio.ByteBuffer;
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.Comparator;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
-import java.util.SortedMap;
-import java.util.SortedSet;
-import java.util.TreeSet;
-import java.util.concurrent.ConcurrentSkipListMap;
-import java.util.concurrent.ConcurrentSkipListSet;
-import java.util.concurrent.CountDownLatch;
-import java.util.concurrent.ExecutionException;
-import java.util.concurrent.ExecutorService;
-import java.util.concurrent.Future;
-import java.util.concurrent.LinkedBlockingQueue;
-import java.util.concurrent.ScheduledThreadPoolExecutor;
-import java.util.concurrent.TimeUnit;
+import java.util.*;
+import java.util.concurrent.*;
import java.util.concurrent.atomic.AtomicInteger;
import java.util.concurrent.atomic.AtomicReference;
import java.util.regex.Pattern;
-
import javax.management.MBeanServer;
import javax.management.ObjectName;
+import com.google.common.collect.Iterables;
+import org.apache.commons.collections.IteratorUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
import org.apache.cassandra.concurrent.JMXEnabledThreadPoolExecutor;
import org.apache.cassandra.concurrent.NamedThreadFactory;
import org.apache.cassandra.concurrent.RetryingScheduledThreadPoolExecutor;
@@ -66,47 +42,20 @@ import org.apache.cassandra.config.CFMet
import org.apache.cassandra.config.ColumnDefinition;
import org.apache.cassandra.config.DatabaseDescriptor;
import org.apache.cassandra.db.columniterator.IColumnIterator;
-import org.apache.cassandra.db.columniterator.IdentityQueryFilter;
import org.apache.cassandra.db.commitlog.CommitLog;
import org.apache.cassandra.db.commitlog.CommitLogSegment;
-import org.apache.cassandra.db.filter.IFilter;
-import org.apache.cassandra.db.filter.NamesQueryFilter;
-import org.apache.cassandra.db.filter.QueryFilter;
-import org.apache.cassandra.db.filter.QueryPath;
-import org.apache.cassandra.db.filter.SliceQueryFilter;
+import org.apache.cassandra.db.filter.*;
import org.apache.cassandra.db.marshal.AbstractType;
import org.apache.cassandra.db.marshal.BytesType;
import org.apache.cassandra.db.marshal.LocalByPartionerType;
-import org.apache.cassandra.dht.AbstractBounds;
-import org.apache.cassandra.dht.Bounds;
-import org.apache.cassandra.dht.ByteOrderedPartitioner;
-import org.apache.cassandra.dht.IPartitioner;
-import org.apache.cassandra.dht.LocalPartitioner;
-import org.apache.cassandra.dht.LocalToken;
-import org.apache.cassandra.dht.OrderPreservingPartitioner;
-import org.apache.cassandra.dht.Range;
-import org.apache.cassandra.dht.Token;
-import org.apache.cassandra.io.sstable.Component;
-import org.apache.cassandra.io.sstable.Descriptor;
-import org.apache.cassandra.io.sstable.ReducingKeyIterator;
-import org.apache.cassandra.io.sstable.SSTable;
-import org.apache.cassandra.io.sstable.SSTableReader;
-import org.apache.cassandra.io.sstable.SSTableTracker;
+import org.apache.cassandra.dht.*;
+import org.apache.cassandra.io.sstable.*;
import org.apache.cassandra.io.util.FileUtils;
import org.apache.cassandra.service.StorageService;
import org.apache.cassandra.thrift.IndexClause;
import org.apache.cassandra.thrift.IndexExpression;
import org.apache.cassandra.thrift.IndexOperator;
-import org.apache.cassandra.utils.EstimatedHistogram;
-import org.apache.cassandra.utils.FBUtilities;
-import org.apache.cassandra.utils.LatencyTracker;
-import org.apache.cassandra.utils.Pair;
-import org.apache.cassandra.utils.WrappedRunnable;
-import org.apache.commons.collections.IteratorUtils;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-import com.google.common.collect.Iterables;
+import org.apache.cassandra.utils.*;
public class ColumnFamilyStore implements ColumnFamilyStoreMBean
{
@@ -1536,7 +1485,7 @@ public class ColumnFamilyStore implement
{
File sourceFile = new File(ssTable.descriptor.filenameFor(component));
File targetLink = new File(snapshotDirectoryPath, sourceFile.getName());
- FileUtils.createHardLink(sourceFile, targetLink);
+ CLibrary.createHardLink(sourceFile, targetLink);
}
if (logger.isDebugEnabled())
logger.debug("Snapshot for " + table + " keyspace data file " + ssTable.getFilename() +
@@ -1546,7 +1495,6 @@ public class ColumnFamilyStore implement
{
throw new IOError(e);
}
-
}
}
Modified: cassandra/branches/cassandra-0.7/src/java/org/apache/cassandra/io/util/FileUtils.java
URL: http://svn.apache.org/viewvc/cassandra/branches/cassandra-0.7/src/java/org/apache/cassandra/io/util/FileUtils.java?rev=1030285&r1=1030284&r2=1030285&view=diff
==============================================================================
--- cassandra/branches/cassandra-0.7/src/java/org/apache/cassandra/io/util/FileUtils.java (original)
+++ cassandra/branches/cassandra-0.7/src/java/org/apache/cassandra/io/util/FileUtils.java Tue Nov 2 23:32:39 2010
@@ -182,66 +182,4 @@ public class FileUtils
// The directory is now empty so now it can be smoked
deleteWithConfirm(dir);
}
-
- /**
- * Create a hard link for a given file.
- *
- * @param sourceFile The name of the source file.
- * @param destinationFile The name of the destination file.
- *
- * @throws IOException if an error has occurred while creating the link.
- */
- public static void createHardLink(File sourceFile, File destinationFile) throws IOException
- {
- try
- {
- int result = CLibrary.link(sourceFile.getAbsolutePath(), destinationFile.getAbsolutePath());
- assert result == 0; // success is always zero
- }
- catch (UnsatisfiedLinkError e)
- {
- createHardLinkWithExec(sourceFile, destinationFile);
- }
- catch (RuntimeException e)
- {
- if (!(e instanceof LastErrorException))
- throw e;
- // there are 17 different error codes listed on the man page. punt until/unless we find which
- // ones actually turn up in practice.
- throw new IOException(String.format("Unable to create hard link from %s to %s (errno %d)",
- sourceFile, destinationFile, CLibrary.errno(e)));
- }
- }
-
- private static void createHardLinkWithExec(File sourceFile, File destinationFile) throws IOException
- {
- String osname = System.getProperty("os.name");
- ProcessBuilder pb;
- if (osname.startsWith("Windows"))
- {
- float osversion = Float.parseFloat(System.getProperty("os.version"));
- if (osversion >= 6.0f)
- {
- pb = new ProcessBuilder("cmd", "/c", "mklink", "/H", destinationFile.getAbsolutePath(), sourceFile.getAbsolutePath());
- }
- else
- {
- pb = new ProcessBuilder("fsutil", "hardlink", "create", destinationFile.getAbsolutePath(), sourceFile.getAbsolutePath());
- }
- }
- else
- {
- pb = new ProcessBuilder("ln", sourceFile.getAbsolutePath(), destinationFile.getAbsolutePath());
- pb.redirectErrorStream(true);
- }
- Process p = pb.start();
- try
- {
- p.waitFor();
- }
- catch (InterruptedException e)
- {
- throw new RuntimeException(e);
- }
- }
}
Modified: cassandra/branches/cassandra-0.7/src/java/org/apache/cassandra/service/AbstractCassandraDaemon.java
URL: http://svn.apache.org/viewvc/cassandra/branches/cassandra-0.7/src/java/org/apache/cassandra/service/AbstractCassandraDaemon.java?rev=1030285&r1=1030284&r2=1030285&view=diff
==============================================================================
--- cassandra/branches/cassandra-0.7/src/java/org/apache/cassandra/service/AbstractCassandraDaemon.java (original)
+++ cassandra/branches/cassandra-0.7/src/java/org/apache/cassandra/service/AbstractCassandraDaemon.java Tue Nov 2 23:32:39 2010
@@ -39,6 +39,7 @@ import org.apache.cassandra.db.SystemTab
import org.apache.cassandra.db.Table;
import org.apache.cassandra.db.commitlog.CommitLog;
import org.apache.cassandra.db.migration.Migration;
+import org.apache.cassandra.utils.CLibrary;
import org.apache.cassandra.utils.FBUtilities;
import org.apache.cassandra.utils.Mx4jTool;
import org.mortbay.thread.ThreadPool;
@@ -70,7 +71,7 @@ public abstract class AbstractCassandraD
protected void setup() throws IOException
{
logger.info("Heap size: {}/{}", Runtime.getRuntime().totalMemory(), Runtime.getRuntime().maxMemory());
- FBUtilities.tryMlockall();
+ CLibrary.tryMlockall();
listenPort = DatabaseDescriptor.getRpcPort();
listenAddr = DatabaseDescriptor.getRpcAddress();
Modified: cassandra/branches/cassandra-0.7/src/java/org/apache/cassandra/thrift/CassandraDaemon.java
URL: http://svn.apache.org/viewvc/cassandra/branches/cassandra-0.7/src/java/org/apache/cassandra/thrift/CassandraDaemon.java?rev=1030285&r1=1030284&r2=1030285&view=diff
==============================================================================
--- cassandra/branches/cassandra-0.7/src/java/org/apache/cassandra/thrift/CassandraDaemon.java (original)
+++ cassandra/branches/cassandra-0.7/src/java/org/apache/cassandra/thrift/CassandraDaemon.java Tue Nov 2 23:32:39 2010
@@ -52,7 +52,7 @@ public class CassandraDaemon extends org
protected void setup() throws IOException
{
- super.setup();
+ super.setup();
// now we start listening for clients
final CassandraServer cassandraServer = new CassandraServer();
Modified: cassandra/branches/cassandra-0.7/src/java/org/apache/cassandra/utils/CLibrary.java
URL: http://svn.apache.org/viewvc/cassandra/branches/cassandra-0.7/src/java/org/apache/cassandra/utils/CLibrary.java?rev=1030285&r1=1030284&r2=1030285&view=diff
==============================================================================
--- cassandra/branches/cassandra-0.7/src/java/org/apache/cassandra/utils/CLibrary.java (original)
+++ cassandra/branches/cassandra-0.7/src/java/org/apache/cassandra/utils/CLibrary.java Tue Nov 2 23:32:39 2010
@@ -18,6 +18,9 @@
*/
package org.apache.cassandra.utils;
+import java.io.File;
+import java.io.IOException;
+
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@@ -28,10 +31,10 @@ public final class CLibrary
{
private static Logger logger = LoggerFactory.getLogger(CLibrary.class);
- public static final int MCL_CURRENT = 1;
- public static final int MCL_FUTURE = 2;
+ private static final int MCL_CURRENT = 1;
+ private static final int MCL_FUTURE = 2;
- public static final int ENOMEM = 12;
+ private static final int ENOMEM = 12;
static
{
@@ -49,12 +52,12 @@ public final class CLibrary
}
}
- public static native int mlockall(int flags) throws LastErrorException;
- public static native int munlockall() throws LastErrorException;
+ private static native int mlockall(int flags) throws LastErrorException;
+ private static native int munlockall() throws LastErrorException;
- public static native int link(String from, String to) throws LastErrorException;
+ private static native int link(String from, String to) throws LastErrorException;
- public static int errno(RuntimeException e)
+ private static int errno(RuntimeException e)
{
assert e instanceof LastErrorException;
try
@@ -69,4 +72,95 @@ public final class CLibrary
}
private CLibrary() {}
+
+ public static void tryMlockall()
+ {
+ try
+ {
+ int result = mlockall(MCL_CURRENT);
+ assert result == 0; // mlockall should always be zero on success
+ }
+ catch (UnsatisfiedLinkError e)
+ {
+ // this will have already been logged by CLibrary, no need to repeat it
+ }
+ catch (RuntimeException e)
+ {
+ if (!(e instanceof LastErrorException))
+ throw e;
+ if (errno(e) == ENOMEM && System.getProperty("os.name").toLowerCase().contains("linux"))
+ {
+ logger.warn("Unable to lock JVM memory (ENOMEM)."
+ + " This can result in part of the JVM being swapped out, especially with mmapped I/O enabled."
+ + " Increase RLIMIT_MEMLOCK or run Cassandra as root.");
+ }
+ else if (!System.getProperty("os.name").toLowerCase().contains("mac"))
+ {
+ // OS X allows mlockall to be called, but always returns an error
+ logger.warn("Unknown mlockall error " + errno(e));
+ }
+ }
+ }
+
+ /**
+ * Create a hard link for a given file.
+ *
+ * @param sourceFile The name of the source file.
+ * @param destinationFile The name of the destination file.
+ *
+ * @throws java.io.IOException if an error has occurred while creating the link.
+ */
+ public static void createHardLink(File sourceFile, File destinationFile) throws IOException
+ {
+ try
+ {
+ int result = link(sourceFile.getAbsolutePath(), destinationFile.getAbsolutePath());
+ assert result == 0; // success is always zero
+ }
+ catch (UnsatisfiedLinkError e)
+ {
+ createHardLinkWithExec(sourceFile, destinationFile);
+ }
+ catch (RuntimeException e)
+ {
+ if (!(e instanceof LastErrorException))
+ throw e;
+ // there are 17 different error codes listed on the man page. punt until/unless we find which
+ // ones actually turn up in practice.
+ throw new IOException(String.format("Unable to create hard link from %s to %s (errno %d)",
+ sourceFile, destinationFile, errno(e)));
+ }
+ }
+
+ private static void createHardLinkWithExec(File sourceFile, File destinationFile) throws IOException
+ {
+ String osname = System.getProperty("os.name");
+ ProcessBuilder pb;
+ if (osname.startsWith("Windows"))
+ {
+ float osversion = Float.parseFloat(System.getProperty("os.version"));
+ if (osversion >= 6.0f)
+ {
+ pb = new ProcessBuilder("cmd", "/c", "mklink", "/H", destinationFile.getAbsolutePath(), sourceFile.getAbsolutePath());
+ }
+ else
+ {
+ pb = new ProcessBuilder("fsutil", "hardlink", "create", destinationFile.getAbsolutePath(), sourceFile.getAbsolutePath());
+ }
+ }
+ else
+ {
+ pb = new ProcessBuilder("ln", sourceFile.getAbsolutePath(), destinationFile.getAbsolutePath());
+ pb.redirectErrorStream(true);
+ }
+ Process p = pb.start();
+ try
+ {
+ p.waitFor();
+ }
+ catch (InterruptedException e)
+ {
+ throw new RuntimeException(e);
+ }
+ }
}
Modified: cassandra/branches/cassandra-0.7/src/java/org/apache/cassandra/utils/FBUtilities.java
URL: http://svn.apache.org/viewvc/cassandra/branches/cassandra-0.7/src/java/org/apache/cassandra/utils/FBUtilities.java?rev=1030285&r1=1030284&r2=1030285&view=diff
==============================================================================
--- cassandra/branches/cassandra-0.7/src/java/org/apache/cassandra/utils/FBUtilities.java (original)
+++ cassandra/branches/cassandra-0.7/src/java/org/apache/cassandra/utils/FBUtilities.java Tue Nov 2 23:32:39 2010
@@ -638,35 +638,6 @@ public class FBUtilities
}
}
- public static void tryMlockall()
- {
- try
- {
- int result = CLibrary.mlockall(CLibrary.MCL_CURRENT);
- assert result == 0; // mlockall should always be zero on success
- }
- catch (UnsatisfiedLinkError e)
- {
- // this will have already been logged by CLibrary, no need to repeat it
- }
- catch (RuntimeException e)
- {
- if (!(e instanceof LastErrorException))
- throw e;
- if (CLibrary.errno(e) == CLibrary.ENOMEM && System.getProperty("os.name").toLowerCase().contains("linux"))
- {
- logger_.warn("Unable to lock JVM memory (ENOMEM)."
- + " This can result in part of the JVM being swapped out, especially with mmapped I/O enabled."
- + " Increase RLIMIT_MEMLOCK or run Cassandra as root.");
- }
- else if (!System.getProperty("os.name").toLowerCase().contains("mac"))
- {
- // OS X allows mlockall to be called, but always returns an error
- logger_.warn("Unknown mlockall error " + CLibrary.errno(e));
- }
- }
- }
-
public static <T extends Comparable> SortedSet<T> singleton(T column)
{
return new TreeSet<T>(Arrays.asList(column));