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Posted to commits@cassandra.apache.org by yu...@apache.org on 2016/11/10 15:35:24 UTC

[1/6] cassandra git commit: Pass root cause to CorruptBlockException when uncompression failed

Repository: cassandra
Updated Branches:
  refs/heads/cassandra-3.0 9d90b4e2d -> c39a9b08d
  refs/heads/cassandra-3.X a07d7ac48 -> 0dc8440ef
  refs/heads/trunk d56831346 -> bd2970f19


Pass root cause to CorruptBlockException when uncompression failed

patch by yukim; reviewed by Paulo Motta for CASSANDRA-12889


Project: http://git-wip-us.apache.org/repos/asf/cassandra/repo
Commit: http://git-wip-us.apache.org/repos/asf/cassandra/commit/c39a9b08
Tree: http://git-wip-us.apache.org/repos/asf/cassandra/tree/c39a9b08
Diff: http://git-wip-us.apache.org/repos/asf/cassandra/diff/c39a9b08

Branch: refs/heads/cassandra-3.0
Commit: c39a9b08d94ebcb22e6f4e400fc79f169564b3ce
Parents: 9d90b4e
Author: Yuki Morishita <yu...@apache.org>
Authored: Wed Nov 9 11:43:10 2016 -0600
Committer: Yuki Morishita <yu...@apache.org>
Committed: Thu Nov 10 09:30:09 2016 -0600

----------------------------------------------------------------------
 CHANGES.txt                                                      | 1 +
 .../cassandra/io/compress/CompressedRandomAccessReader.java      | 4 ++--
 .../apache/cassandra/io/compress/CompressedSequentialWriter.java | 2 +-
 3 files changed, 4 insertions(+), 3 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/cassandra/blob/c39a9b08/CHANGES.txt
----------------------------------------------------------------------
diff --git a/CHANGES.txt b/CHANGES.txt
index 8f0e201..9598546 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,4 +1,5 @@
 3.0.11
+ * Pass root cause to CorruptBlockException when uncompression failed (CASSANDRA-12889)
  * Fix partition count log during compaction (CASSANDRA-12184)
 
 

http://git-wip-us.apache.org/repos/asf/cassandra/blob/c39a9b08/src/java/org/apache/cassandra/io/compress/CompressedRandomAccessReader.java
----------------------------------------------------------------------
diff --git a/src/java/org/apache/cassandra/io/compress/CompressedRandomAccessReader.java b/src/java/org/apache/cassandra/io/compress/CompressedRandomAccessReader.java
index 329d932..0624e89 100644
--- a/src/java/org/apache/cassandra/io/compress/CompressedRandomAccessReader.java
+++ b/src/java/org/apache/cassandra/io/compress/CompressedRandomAccessReader.java
@@ -122,7 +122,7 @@ public class CompressedRandomAccessReader extends RandomAccessReader
             }
             catch (IOException e)
             {
-                throw new CorruptBlockException(getPath(), chunk);
+                throw new CorruptBlockException(getPath(), chunk, e);
             }
             finally
             {
@@ -184,7 +184,7 @@ public class CompressedRandomAccessReader extends RandomAccessReader
             }
             catch (IOException e)
             {
-                throw new CorruptBlockException(getPath(), chunk);
+                throw new CorruptBlockException(getPath(), chunk, e);
             }
             finally
             {

http://git-wip-us.apache.org/repos/asf/cassandra/blob/c39a9b08/src/java/org/apache/cassandra/io/compress/CompressedSequentialWriter.java
----------------------------------------------------------------------
diff --git a/src/java/org/apache/cassandra/io/compress/CompressedSequentialWriter.java b/src/java/org/apache/cassandra/io/compress/CompressedSequentialWriter.java
index 9bd1145..74258cf 100644
--- a/src/java/org/apache/cassandra/io/compress/CompressedSequentialWriter.java
+++ b/src/java/org/apache/cassandra/io/compress/CompressedSequentialWriter.java
@@ -203,7 +203,7 @@ public class CompressedSequentialWriter extends SequentialWriter
             }
             catch (IOException e)
             {
-                throw new CorruptBlockException(getPath(), chunkOffset, chunkSize);
+                throw new CorruptBlockException(getPath(), chunkOffset, chunkSize, e);
             }
 
             CRC32 checksum = new CRC32();


[6/6] cassandra git commit: Merge branch 'cassandra-3.X' into trunk

Posted by yu...@apache.org.
Merge branch 'cassandra-3.X' into trunk


Project: http://git-wip-us.apache.org/repos/asf/cassandra/repo
Commit: http://git-wip-us.apache.org/repos/asf/cassandra/commit/bd2970f1
Tree: http://git-wip-us.apache.org/repos/asf/cassandra/tree/bd2970f1
Diff: http://git-wip-us.apache.org/repos/asf/cassandra/diff/bd2970f1

Branch: refs/heads/trunk
Commit: bd2970f19f52f495fe39bd3e3002aa4f58891f70
Parents: d568313 0dc8440
Author: Yuki Morishita <yu...@apache.org>
Authored: Thu Nov 10 09:34:46 2016 -0600
Committer: Yuki Morishita <yu...@apache.org>
Committed: Thu Nov 10 09:34:46 2016 -0600

----------------------------------------------------------------------
 CHANGES.txt                                                      | 1 +
 .../apache/cassandra/io/compress/CompressedSequentialWriter.java | 2 +-
 src/java/org/apache/cassandra/io/util/CompressedChunkReader.java | 4 ++--
 3 files changed, 4 insertions(+), 3 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/cassandra/blob/bd2970f1/CHANGES.txt
----------------------------------------------------------------------
diff --cc CHANGES.txt
index 69a05c2,e765a9c..9678ca1
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@@ -107,8 -99,9 +107,9 @@@
   * Remove pre-startup check for open JMX port (CASSANDRA-12074)
   * Remove compaction Severity from DynamicEndpointSnitch (CASSANDRA-11738)
   * Restore resumable hints delivery (CASSANDRA-11960)
 - * Properly report LWT contention (CASSANDRA-12626)
 + * Properly record CAS contention (CASSANDRA-12626)
  Merged from 3.0:
+  * Pass root cause to CorruptBlockException when uncompression failed (CASSANDRA-12889)
   * Batch with multiple conditional updates for the same partition causes AssertionError (CASSANDRA-12867)
   * Make AbstractReplicationStrategy extendable from outside its package (CASSANDRA-12788)
   * Don't tell users to turn off consistent rangemovements during rebuild. (CASSANDRA-12296)


[3/6] cassandra git commit: Pass root cause to CorruptBlockException when uncompression failed

Posted by yu...@apache.org.
Pass root cause to CorruptBlockException when uncompression failed

patch by yukim; reviewed by Paulo Motta for CASSANDRA-12889


Project: http://git-wip-us.apache.org/repos/asf/cassandra/repo
Commit: http://git-wip-us.apache.org/repos/asf/cassandra/commit/c39a9b08
Tree: http://git-wip-us.apache.org/repos/asf/cassandra/tree/c39a9b08
Diff: http://git-wip-us.apache.org/repos/asf/cassandra/diff/c39a9b08

Branch: refs/heads/trunk
Commit: c39a9b08d94ebcb22e6f4e400fc79f169564b3ce
Parents: 9d90b4e
Author: Yuki Morishita <yu...@apache.org>
Authored: Wed Nov 9 11:43:10 2016 -0600
Committer: Yuki Morishita <yu...@apache.org>
Committed: Thu Nov 10 09:30:09 2016 -0600

----------------------------------------------------------------------
 CHANGES.txt                                                      | 1 +
 .../cassandra/io/compress/CompressedRandomAccessReader.java      | 4 ++--
 .../apache/cassandra/io/compress/CompressedSequentialWriter.java | 2 +-
 3 files changed, 4 insertions(+), 3 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/cassandra/blob/c39a9b08/CHANGES.txt
----------------------------------------------------------------------
diff --git a/CHANGES.txt b/CHANGES.txt
index 8f0e201..9598546 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,4 +1,5 @@
 3.0.11
+ * Pass root cause to CorruptBlockException when uncompression failed (CASSANDRA-12889)
  * Fix partition count log during compaction (CASSANDRA-12184)
 
 

http://git-wip-us.apache.org/repos/asf/cassandra/blob/c39a9b08/src/java/org/apache/cassandra/io/compress/CompressedRandomAccessReader.java
----------------------------------------------------------------------
diff --git a/src/java/org/apache/cassandra/io/compress/CompressedRandomAccessReader.java b/src/java/org/apache/cassandra/io/compress/CompressedRandomAccessReader.java
index 329d932..0624e89 100644
--- a/src/java/org/apache/cassandra/io/compress/CompressedRandomAccessReader.java
+++ b/src/java/org/apache/cassandra/io/compress/CompressedRandomAccessReader.java
@@ -122,7 +122,7 @@ public class CompressedRandomAccessReader extends RandomAccessReader
             }
             catch (IOException e)
             {
-                throw new CorruptBlockException(getPath(), chunk);
+                throw new CorruptBlockException(getPath(), chunk, e);
             }
             finally
             {
@@ -184,7 +184,7 @@ public class CompressedRandomAccessReader extends RandomAccessReader
             }
             catch (IOException e)
             {
-                throw new CorruptBlockException(getPath(), chunk);
+                throw new CorruptBlockException(getPath(), chunk, e);
             }
             finally
             {

http://git-wip-us.apache.org/repos/asf/cassandra/blob/c39a9b08/src/java/org/apache/cassandra/io/compress/CompressedSequentialWriter.java
----------------------------------------------------------------------
diff --git a/src/java/org/apache/cassandra/io/compress/CompressedSequentialWriter.java b/src/java/org/apache/cassandra/io/compress/CompressedSequentialWriter.java
index 9bd1145..74258cf 100644
--- a/src/java/org/apache/cassandra/io/compress/CompressedSequentialWriter.java
+++ b/src/java/org/apache/cassandra/io/compress/CompressedSequentialWriter.java
@@ -203,7 +203,7 @@ public class CompressedSequentialWriter extends SequentialWriter
             }
             catch (IOException e)
             {
-                throw new CorruptBlockException(getPath(), chunkOffset, chunkSize);
+                throw new CorruptBlockException(getPath(), chunkOffset, chunkSize, e);
             }
 
             CRC32 checksum = new CRC32();


[4/6] cassandra git commit: Merge branch 'cassandra-3.0' into cassandra-3.X

Posted by yu...@apache.org.
Merge branch 'cassandra-3.0' into cassandra-3.X


Project: http://git-wip-us.apache.org/repos/asf/cassandra/repo
Commit: http://git-wip-us.apache.org/repos/asf/cassandra/commit/0dc8440e
Tree: http://git-wip-us.apache.org/repos/asf/cassandra/tree/0dc8440e
Diff: http://git-wip-us.apache.org/repos/asf/cassandra/diff/0dc8440e

Branch: refs/heads/trunk
Commit: 0dc8440efb90a71d3a91374c682dfc4bfc61c672
Parents: a07d7ac c39a9b0
Author: Yuki Morishita <yu...@apache.org>
Authored: Thu Nov 10 09:34:28 2016 -0600
Committer: Yuki Morishita <yu...@apache.org>
Committed: Thu Nov 10 09:34:28 2016 -0600

----------------------------------------------------------------------
 CHANGES.txt                                                      | 1 +
 .../apache/cassandra/io/compress/CompressedSequentialWriter.java | 2 +-
 src/java/org/apache/cassandra/io/util/CompressedChunkReader.java | 4 ++--
 3 files changed, 4 insertions(+), 3 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/cassandra/blob/0dc8440e/CHANGES.txt
----------------------------------------------------------------------
diff --cc CHANGES.txt
index dd9088b,9598546..e765a9c
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@@ -1,111 -1,14 +1,112 @@@
 -3.0.11
 +3.10
 + * Fix CommitLogSegmentManagerTest (CASSANDRA-12283)
 + * Fix cassandra-stress truncate option (CASSANDRA-12695)
 + * Fix crossNode value when receiving messages (CASSANDRA-12791)
 + * Don't load MX4J beans twice (CASSANDRA-12869)
 + * Extend native protocol request flags, add versions to SUPPORTED, and introduce ProtocolVersion enum (CASSANDRA-12838)
 + * Set JOINING mode when running pre-join tasks (CASSANDRA-12836)
 + * remove net.mintern.primitive library due to license issue (CASSANDRA-12845)
 + * Properly format IPv6 addresses when logging JMX service URL (CASSANDRA-12454)
 + * Optimize the vnode allocation for single replica per DC (CASSANDRA-12777)
 + * Use non-token restrictions for bounds when token restrictions are overridden (CASSANDRA-12419)
 + * Fix CQLSH auto completion for PER PARTITION LIMIT (CASSANDRA-12803)
 + * Use different build directories for Eclipse and Ant (CASSANDRA-12466)
 + * Avoid potential AttributeError in cqlsh due to no table metadata (CASSANDRA-12815)
 + * Fix RandomReplicationAwareTokenAllocatorTest.testExistingCluster (CASSANDRA-12812)
 + * Upgrade commons-codec to 1.9 (CASSANDRA-12790)
 + * Make the fanout size for LeveledCompactionStrategy to be configurable (CASSANDRA-11550)
 + * Add duration data type (CASSANDRA-11873)
 + * Fix timeout in ReplicationAwareTokenAllocatorTest (CASSANDRA-12784)
 + * Improve sum aggregate functions (CASSANDRA-12417)
 + * Make cassandra.yaml docs for batch_size_*_threshold_in_kb reflect changes in CASSANDRA-10876 (CASSANDRA-12761)
 + * cqlsh fails to format collections when using aliases (CASSANDRA-11534)
 + * Check for hash conflicts in prepared statements (CASSANDRA-12733)
 + * Exit query parsing upon first error (CASSANDRA-12598)
 + * Fix cassandra-stress to use single seed in UUID generation (CASSANDRA-12729)
 + * CQLSSTableWriter does not allow Update statement (CASSANDRA-12450)
 + * Config class uses boxed types but DD exposes primitive types (CASSANDRA-12199)
 + * Add pre- and post-shutdown hooks to Storage Service (CASSANDRA-12461)
 + * Add hint delivery metrics (CASSANDRA-12693)
 + * Remove IndexInfo cache from FileIndexInfoRetriever (CASSANDRA-12731)
 + * ColumnIndex does not reuse buffer (CASSANDRA-12502)
 + * cdc column addition still breaks schema migration tasks (CASSANDRA-12697)
 + * Upgrade metrics-reporter dependencies (CASSANDRA-12089)
 + * Tune compaction thread count via nodetool (CASSANDRA-12248)
 + * Add +=/-= shortcut syntax for update queries (CASSANDRA-12232)
 + * Include repair session IDs in repair start message (CASSANDRA-12532)
 + * Add a blocking task to Index, run before joining the ring (CASSANDRA-12039)
 + * Fix NPE when using CQLSSTableWriter (CASSANDRA-12667)
 + * Support optional backpressure strategies at the coordinator (CASSANDRA-9318)
 + * Make randompartitioner work with new vnode allocation (CASSANDRA-12647)
 + * Fix cassandra-stress graphing (CASSANDRA-12237)
 + * Allow filtering on partition key columns for queries without secondary indexes (CASSANDRA-11031)
 + * Fix Cassandra Stress reporting thread model and precision (CASSANDRA-12585)
 + * Add JMH benchmarks.jar (CASSANDRA-12586)
 + * Add row offset support to SASI (CASSANDRA-11990)
 + * Cleanup uses of AlterTableStatementColumn (CASSANDRA-12567)
 + * Add keep-alive to streaming (CASSANDRA-11841)
 + * Tracing payload is passed through newSession(..) (CASSANDRA-11706)
 + * avoid deleting non existing sstable files and improve related log messages (CASSANDRA-12261)
 + * json/yaml output format for nodetool compactionhistory (CASSANDRA-12486)
 + * Retry all internode messages once after a connection is
 +   closed and reopened (CASSANDRA-12192)
 + * Add support to rebuild from targeted replica (CASSANDRA-9875)
 + * Add sequence distribution type to cassandra stress (CASSANDRA-12490)
 + * "SELECT * FROM foo LIMIT ;" does not error out (CASSANDRA-12154)
 + * Define executeLocally() at the ReadQuery Level (CASSANDRA-12474)
 + * Extend read/write failure messages with a map of replica addresses
 +   to error codes in the v5 native protocol (CASSANDRA-12311)
 + * Fix rebuild of SASI indexes with existing index files (CASSANDRA-12374)
 + * Let DatabaseDescriptor not implicitly startup services (CASSANDRA-9054, 12550)
 + * Fix clustering indexes in presence of static columns in SASI (CASSANDRA-12378)
 + * Fix queries on columns with reversed type on SASI indexes (CASSANDRA-12223)
 + * Added slow query log (CASSANDRA-12403)
 + * Count full coordinated request against timeout (CASSANDRA-12256)
 + * Allow TTL with null value on insert and update (CASSANDRA-12216)
 + * Make decommission operation resumable (CASSANDRA-12008)
 + * Add support to one-way targeted repair (CASSANDRA-9876)
 + * Remove clientutil jar (CASSANDRA-11635)
 + * Fix compaction throughput throttle (CASSANDRA-12366, CASSANDRA-12717)
 + * Delay releasing Memtable memory on flush until PostFlush has finished running (CASSANDRA-12358)
 + * Cassandra stress should dump all setting on startup (CASSANDRA-11914)
 + * Make it possible to compact a given token range (CASSANDRA-10643)
 + * Allow updating DynamicEndpointSnitch properties via JMX (CASSANDRA-12179)
 + * Collect metrics on queries by consistency level (CASSANDRA-7384)
 + * Add support for GROUP BY to SELECT statement (CASSANDRA-10707)
 + * Deprecate memtable_cleanup_threshold and update default for memtable_flush_writers (CASSANDRA-12228)
 + * Upgrade to OHC 0.4.4 (CASSANDRA-12133)
 + * Add version command to cassandra-stress (CASSANDRA-12258)
 + * Create compaction-stress tool (CASSANDRA-11844)
 + * Garbage-collecting compaction operation and schema option (CASSANDRA-7019)
 + * Add beta protocol flag for v5 native protocol (CASSANDRA-12142)
 + * Support filtering on non-PRIMARY KEY columns in the CREATE
 +   MATERIALIZED VIEW statement's WHERE clause (CASSANDRA-10368)
 + * Unify STDOUT and SYSTEMLOG logback format (CASSANDRA-12004)
 + * COPY FROM should raise error for non-existing input files (CASSANDRA-12174)
 + * Faster write path (CASSANDRA-12269)
 + * Option to leave omitted columns in INSERT JSON unset (CASSANDRA-11424)
 + * Support json/yaml output in nodetool tpstats (CASSANDRA-12035)
 + * Expose metrics for successful/failed authentication attempts (CASSANDRA-10635)
 + * Prepend snapshot name with "truncated" or "dropped" when a snapshot
 +   is taken before truncating or dropping a table (CASSANDRA-12178)
 + * Optimize RestrictionSet (CASSANDRA-12153)
 + * cqlsh does not automatically downgrade CQL version (CASSANDRA-12150)
 + * Omit (de)serialization of state variable in UDAs (CASSANDRA-9613)
 + * Create a system table to expose prepared statements (CASSANDRA-8831)
 + * Reuse DataOutputBuffer from ColumnIndex (CASSANDRA-11970)
 + * Remove DatabaseDescriptor dependency from SegmentedFile (CASSANDRA-11580)
 + * Add supplied username to authentication error messages (CASSANDRA-12076)
 + * Remove pre-startup check for open JMX port (CASSANDRA-12074)
 + * Remove compaction Severity from DynamicEndpointSnitch (CASSANDRA-11738)
 + * Restore resumable hints delivery (CASSANDRA-11960)
 + * Properly report LWT contention (CASSANDRA-12626)
 +Merged from 3.0:
+  * Pass root cause to CorruptBlockException when uncompression failed (CASSANDRA-12889)
 - * Fix partition count log during compaction (CASSANDRA-12184)
 -
 -
 -3.0.10
   * Batch with multiple conditional updates for the same partition causes AssertionError (CASSANDRA-12867)
   * Make AbstractReplicationStrategy extendable from outside its package (CASSANDRA-12788)
 - * Fix CommitLogTest.testDeleteIfNotDirty (CASSANDRA-12854)
   * Don't tell users to turn off consistent rangemovements during rebuild. (CASSANDRA-12296)
 - * Avoid deadlock due to materialized view lock contention (CASSANDRA-12689)
 + * Fix CommitLogTest.testDeleteIfNotDirty (CASSANDRA-12854)
 + * Avoid deadlock due to MV lock contention (CASSANDRA-12689)
   * Fix for KeyCacheCqlTest flakiness (CASSANDRA-12801)
   * Include SSTable filename in compacting large row message (CASSANDRA-12384)
   * Fix potential socket leak (CASSANDRA-12329, CASSANDRA-12330)

http://git-wip-us.apache.org/repos/asf/cassandra/blob/0dc8440e/src/java/org/apache/cassandra/io/compress/CompressedSequentialWriter.java
----------------------------------------------------------------------

http://git-wip-us.apache.org/repos/asf/cassandra/blob/0dc8440e/src/java/org/apache/cassandra/io/util/CompressedChunkReader.java
----------------------------------------------------------------------
diff --cc src/java/org/apache/cassandra/io/util/CompressedChunkReader.java
index 5f8751a,0000000..8f00ce7
mode 100644,000000..100644
--- a/src/java/org/apache/cassandra/io/util/CompressedChunkReader.java
+++ b/src/java/org/apache/cassandra/io/util/CompressedChunkReader.java
@@@ -1,227 -1,0 +1,227 @@@
 +/*
 + * Licensed to the Apache Software Foundation (ASF) under one
 + * or more contributor license agreements.  See the NOTICE file
 + * distributed with this work for additional information
 + * regarding copyright ownership.  The ASF licenses this file
 + * to you under the Apache License, Version 2.0 (the
 + * "License"); you may not use this file except in compliance
 + * with the License.  You may obtain a copy of the License at
 + *
 + *     http://www.apache.org/licenses/LICENSE-2.0
 + *
 + * Unless required by applicable law or agreed to in writing, software
 + * distributed under the License is distributed on an "AS IS" BASIS,
 + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 + * See the License for the specific language governing permissions and
 + * limitations under the License.
 + */
 +
 +package org.apache.cassandra.io.util;
 +
 +import java.io.IOException;
 +import java.nio.ByteBuffer;
 +import java.util.concurrent.ThreadLocalRandom;
 +
 +import com.google.common.annotations.VisibleForTesting;
 +import com.google.common.primitives.Ints;
 +
 +import org.apache.cassandra.io.compress.BufferType;
 +import org.apache.cassandra.io.compress.CompressionMetadata;
 +import org.apache.cassandra.io.compress.CorruptBlockException;
 +import org.apache.cassandra.io.sstable.CorruptSSTableException;
 +
 +public abstract class CompressedChunkReader extends AbstractReaderFileProxy implements ChunkReader
 +{
 +    final CompressionMetadata metadata;
 +
 +    protected CompressedChunkReader(ChannelProxy channel, CompressionMetadata metadata)
 +    {
 +        super(channel, metadata.dataLength);
 +        this.metadata = metadata;
 +        assert Integer.bitCount(metadata.chunkLength()) == 1; //must be a power of two
 +    }
 +
 +    @VisibleForTesting
 +    public double getCrcCheckChance()
 +    {
 +        return metadata.parameters.getCrcCheckChance();
 +    }
 +
 +    @Override
 +    public String toString()
 +    {
 +        return String.format("CompressedChunkReader.%s(%s - %s, chunk length %d, data length %d)",
 +                             getClass().getSimpleName(),
 +                             channel.filePath(),
 +                             metadata.compressor().getClass().getSimpleName(),
 +                             metadata.chunkLength(),
 +                             metadata.dataLength);
 +    }
 +
 +    @Override
 +    public int chunkSize()
 +    {
 +        return metadata.chunkLength();
 +    }
 +
 +    @Override
 +    public BufferType preferredBufferType()
 +    {
 +        return metadata.compressor().preferredBufferType();
 +    }
 +
 +    @Override
 +    public Rebufferer instantiateRebufferer()
 +    {
 +        return new BufferManagingRebufferer.Aligned(this);
 +    }
 +
 +    public static class Standard extends CompressedChunkReader
 +    {
 +        // we read the raw compressed bytes into this buffer, then uncompressed them into the provided one.
 +        private final ThreadLocal<ByteBuffer> compressedHolder;
 +
 +        public Standard(ChannelProxy channel, CompressionMetadata metadata)
 +        {
 +            super(channel, metadata);
 +            compressedHolder = ThreadLocal.withInitial(this::allocateBuffer);
 +        }
 +
 +        public ByteBuffer allocateBuffer()
 +        {
 +            return allocateBuffer(metadata.compressor().initialCompressedBufferLength(metadata.chunkLength()));
 +        }
 +
 +        public ByteBuffer allocateBuffer(int size)
 +        {
 +            return metadata.compressor().preferredBufferType().allocate(size);
 +        }
 +
 +        @Override
 +        public void readChunk(long position, ByteBuffer uncompressed)
 +        {
 +            try
 +            {
 +                // accesses must always be aligned
 +                assert (position & -uncompressed.capacity()) == position;
 +                assert position <= fileLength;
 +
 +                CompressionMetadata.Chunk chunk = metadata.chunkFor(position);
 +                ByteBuffer compressed = compressedHolder.get();
 +
 +                if (compressed.capacity() < chunk.length)
 +                {
 +                    compressed = allocateBuffer(chunk.length);
 +                    compressedHolder.set(compressed);
 +                }
 +                else
 +                {
 +                    compressed.clear();
 +                }
 +
 +                compressed.limit(chunk.length);
 +                if (channel.read(compressed, chunk.offset) != chunk.length)
 +                    throw new CorruptBlockException(channel.filePath(), chunk);
 +
 +                compressed.flip();
 +                uncompressed.clear();
 +
 +                try
 +                {
 +                    metadata.compressor().uncompress(compressed, uncompressed);
 +                }
 +                catch (IOException e)
 +                {
-                     throw new CorruptBlockException(channel.filePath(), chunk);
++                    throw new CorruptBlockException(channel.filePath(), chunk, e);
 +                }
 +                finally
 +                {
 +                    uncompressed.flip();
 +                }
 +
 +                if (getCrcCheckChance() > ThreadLocalRandom.current().nextDouble())
 +                {
 +                    compressed.rewind();
 +                    int checksum = (int) metadata.checksumType.of(compressed);
 +
 +                    compressed.clear().limit(Integer.BYTES);
 +                    if (channel.read(compressed, chunk.offset + chunk.length) != Integer.BYTES
 +                                || compressed.getInt(0) != checksum)
 +                        throw new CorruptBlockException(channel.filePath(), chunk);
 +                }
 +            }
 +            catch (CorruptBlockException e)
 +            {
 +                throw new CorruptSSTableException(e, channel.filePath());
 +            }
 +        }
 +    }
 +
 +    public static class Mmap extends CompressedChunkReader
 +    {
 +        protected final MmappedRegions regions;
 +
 +        public Mmap(ChannelProxy channel, CompressionMetadata metadata, MmappedRegions regions)
 +        {
 +            super(channel, metadata);
 +            this.regions = regions;
 +        }
 +
 +        @Override
 +        public void readChunk(long position, ByteBuffer uncompressed)
 +        {
 +            try
 +            {
 +                // accesses must always be aligned
 +                assert (position & -uncompressed.capacity()) == position;
 +                assert position <= fileLength;
 +
 +                CompressionMetadata.Chunk chunk = metadata.chunkFor(position);
 +
 +                MmappedRegions.Region region = regions.floor(chunk.offset);
 +                long segmentOffset = region.offset();
 +                int chunkOffset = Ints.checkedCast(chunk.offset - segmentOffset);
 +                ByteBuffer compressedChunk = region.buffer();
 +
 +                compressedChunk.position(chunkOffset).limit(chunkOffset + chunk.length);
 +
 +                uncompressed.clear();
 +
 +                try
 +                {
 +                    metadata.compressor().uncompress(compressedChunk, uncompressed);
 +                }
 +                catch (IOException e)
 +                {
-                     throw new CorruptBlockException(channel.filePath(), chunk);
++                    throw new CorruptBlockException(channel.filePath(), chunk, e);
 +                }
 +                finally
 +                {
 +                    uncompressed.flip();
 +                }
 +
 +                if (getCrcCheckChance() > ThreadLocalRandom.current().nextDouble())
 +                {
 +                    compressedChunk.position(chunkOffset).limit(chunkOffset + chunk.length);
 +
 +                    int checksum = (int) metadata.checksumType.of(compressedChunk);
 +
 +                    compressedChunk.limit(compressedChunk.capacity());
 +                    if (compressedChunk.getInt() != checksum)
 +                        throw new CorruptBlockException(channel.filePath(), chunk);
 +                }
 +            }
 +            catch (CorruptBlockException e)
 +            {
 +                throw new CorruptSSTableException(e, channel.filePath());
 +            }
 +
 +        }
 +
 +        public void close()
 +        {
 +            regions.closeQuietly();
 +            super.close();
 +        }
 +    }
 +}


[2/6] cassandra git commit: Pass root cause to CorruptBlockException when uncompression failed

Posted by yu...@apache.org.
Pass root cause to CorruptBlockException when uncompression failed

patch by yukim; reviewed by Paulo Motta for CASSANDRA-12889


Project: http://git-wip-us.apache.org/repos/asf/cassandra/repo
Commit: http://git-wip-us.apache.org/repos/asf/cassandra/commit/c39a9b08
Tree: http://git-wip-us.apache.org/repos/asf/cassandra/tree/c39a9b08
Diff: http://git-wip-us.apache.org/repos/asf/cassandra/diff/c39a9b08

Branch: refs/heads/cassandra-3.X
Commit: c39a9b08d94ebcb22e6f4e400fc79f169564b3ce
Parents: 9d90b4e
Author: Yuki Morishita <yu...@apache.org>
Authored: Wed Nov 9 11:43:10 2016 -0600
Committer: Yuki Morishita <yu...@apache.org>
Committed: Thu Nov 10 09:30:09 2016 -0600

----------------------------------------------------------------------
 CHANGES.txt                                                      | 1 +
 .../cassandra/io/compress/CompressedRandomAccessReader.java      | 4 ++--
 .../apache/cassandra/io/compress/CompressedSequentialWriter.java | 2 +-
 3 files changed, 4 insertions(+), 3 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/cassandra/blob/c39a9b08/CHANGES.txt
----------------------------------------------------------------------
diff --git a/CHANGES.txt b/CHANGES.txt
index 8f0e201..9598546 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,4 +1,5 @@
 3.0.11
+ * Pass root cause to CorruptBlockException when uncompression failed (CASSANDRA-12889)
  * Fix partition count log during compaction (CASSANDRA-12184)
 
 

http://git-wip-us.apache.org/repos/asf/cassandra/blob/c39a9b08/src/java/org/apache/cassandra/io/compress/CompressedRandomAccessReader.java
----------------------------------------------------------------------
diff --git a/src/java/org/apache/cassandra/io/compress/CompressedRandomAccessReader.java b/src/java/org/apache/cassandra/io/compress/CompressedRandomAccessReader.java
index 329d932..0624e89 100644
--- a/src/java/org/apache/cassandra/io/compress/CompressedRandomAccessReader.java
+++ b/src/java/org/apache/cassandra/io/compress/CompressedRandomAccessReader.java
@@ -122,7 +122,7 @@ public class CompressedRandomAccessReader extends RandomAccessReader
             }
             catch (IOException e)
             {
-                throw new CorruptBlockException(getPath(), chunk);
+                throw new CorruptBlockException(getPath(), chunk, e);
             }
             finally
             {
@@ -184,7 +184,7 @@ public class CompressedRandomAccessReader extends RandomAccessReader
             }
             catch (IOException e)
             {
-                throw new CorruptBlockException(getPath(), chunk);
+                throw new CorruptBlockException(getPath(), chunk, e);
             }
             finally
             {

http://git-wip-us.apache.org/repos/asf/cassandra/blob/c39a9b08/src/java/org/apache/cassandra/io/compress/CompressedSequentialWriter.java
----------------------------------------------------------------------
diff --git a/src/java/org/apache/cassandra/io/compress/CompressedSequentialWriter.java b/src/java/org/apache/cassandra/io/compress/CompressedSequentialWriter.java
index 9bd1145..74258cf 100644
--- a/src/java/org/apache/cassandra/io/compress/CompressedSequentialWriter.java
+++ b/src/java/org/apache/cassandra/io/compress/CompressedSequentialWriter.java
@@ -203,7 +203,7 @@ public class CompressedSequentialWriter extends SequentialWriter
             }
             catch (IOException e)
             {
-                throw new CorruptBlockException(getPath(), chunkOffset, chunkSize);
+                throw new CorruptBlockException(getPath(), chunkOffset, chunkSize, e);
             }
 
             CRC32 checksum = new CRC32();


[5/6] cassandra git commit: Merge branch 'cassandra-3.0' into cassandra-3.X

Posted by yu...@apache.org.
Merge branch 'cassandra-3.0' into cassandra-3.X


Project: http://git-wip-us.apache.org/repos/asf/cassandra/repo
Commit: http://git-wip-us.apache.org/repos/asf/cassandra/commit/0dc8440e
Tree: http://git-wip-us.apache.org/repos/asf/cassandra/tree/0dc8440e
Diff: http://git-wip-us.apache.org/repos/asf/cassandra/diff/0dc8440e

Branch: refs/heads/cassandra-3.X
Commit: 0dc8440efb90a71d3a91374c682dfc4bfc61c672
Parents: a07d7ac c39a9b0
Author: Yuki Morishita <yu...@apache.org>
Authored: Thu Nov 10 09:34:28 2016 -0600
Committer: Yuki Morishita <yu...@apache.org>
Committed: Thu Nov 10 09:34:28 2016 -0600

----------------------------------------------------------------------
 CHANGES.txt                                                      | 1 +
 .../apache/cassandra/io/compress/CompressedSequentialWriter.java | 2 +-
 src/java/org/apache/cassandra/io/util/CompressedChunkReader.java | 4 ++--
 3 files changed, 4 insertions(+), 3 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/cassandra/blob/0dc8440e/CHANGES.txt
----------------------------------------------------------------------
diff --cc CHANGES.txt
index dd9088b,9598546..e765a9c
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@@ -1,111 -1,14 +1,112 @@@
 -3.0.11
 +3.10
 + * Fix CommitLogSegmentManagerTest (CASSANDRA-12283)
 + * Fix cassandra-stress truncate option (CASSANDRA-12695)
 + * Fix crossNode value when receiving messages (CASSANDRA-12791)
 + * Don't load MX4J beans twice (CASSANDRA-12869)
 + * Extend native protocol request flags, add versions to SUPPORTED, and introduce ProtocolVersion enum (CASSANDRA-12838)
 + * Set JOINING mode when running pre-join tasks (CASSANDRA-12836)
 + * remove net.mintern.primitive library due to license issue (CASSANDRA-12845)
 + * Properly format IPv6 addresses when logging JMX service URL (CASSANDRA-12454)
 + * Optimize the vnode allocation for single replica per DC (CASSANDRA-12777)
 + * Use non-token restrictions for bounds when token restrictions are overridden (CASSANDRA-12419)
 + * Fix CQLSH auto completion for PER PARTITION LIMIT (CASSANDRA-12803)
 + * Use different build directories for Eclipse and Ant (CASSANDRA-12466)
 + * Avoid potential AttributeError in cqlsh due to no table metadata (CASSANDRA-12815)
 + * Fix RandomReplicationAwareTokenAllocatorTest.testExistingCluster (CASSANDRA-12812)
 + * Upgrade commons-codec to 1.9 (CASSANDRA-12790)
 + * Make the fanout size for LeveledCompactionStrategy to be configurable (CASSANDRA-11550)
 + * Add duration data type (CASSANDRA-11873)
 + * Fix timeout in ReplicationAwareTokenAllocatorTest (CASSANDRA-12784)
 + * Improve sum aggregate functions (CASSANDRA-12417)
 + * Make cassandra.yaml docs for batch_size_*_threshold_in_kb reflect changes in CASSANDRA-10876 (CASSANDRA-12761)
 + * cqlsh fails to format collections when using aliases (CASSANDRA-11534)
 + * Check for hash conflicts in prepared statements (CASSANDRA-12733)
 + * Exit query parsing upon first error (CASSANDRA-12598)
 + * Fix cassandra-stress to use single seed in UUID generation (CASSANDRA-12729)
 + * CQLSSTableWriter does not allow Update statement (CASSANDRA-12450)
 + * Config class uses boxed types but DD exposes primitive types (CASSANDRA-12199)
 + * Add pre- and post-shutdown hooks to Storage Service (CASSANDRA-12461)
 + * Add hint delivery metrics (CASSANDRA-12693)
 + * Remove IndexInfo cache from FileIndexInfoRetriever (CASSANDRA-12731)
 + * ColumnIndex does not reuse buffer (CASSANDRA-12502)
 + * cdc column addition still breaks schema migration tasks (CASSANDRA-12697)
 + * Upgrade metrics-reporter dependencies (CASSANDRA-12089)
 + * Tune compaction thread count via nodetool (CASSANDRA-12248)
 + * Add +=/-= shortcut syntax for update queries (CASSANDRA-12232)
 + * Include repair session IDs in repair start message (CASSANDRA-12532)
 + * Add a blocking task to Index, run before joining the ring (CASSANDRA-12039)
 + * Fix NPE when using CQLSSTableWriter (CASSANDRA-12667)
 + * Support optional backpressure strategies at the coordinator (CASSANDRA-9318)
 + * Make randompartitioner work with new vnode allocation (CASSANDRA-12647)
 + * Fix cassandra-stress graphing (CASSANDRA-12237)
 + * Allow filtering on partition key columns for queries without secondary indexes (CASSANDRA-11031)
 + * Fix Cassandra Stress reporting thread model and precision (CASSANDRA-12585)
 + * Add JMH benchmarks.jar (CASSANDRA-12586)
 + * Add row offset support to SASI (CASSANDRA-11990)
 + * Cleanup uses of AlterTableStatementColumn (CASSANDRA-12567)
 + * Add keep-alive to streaming (CASSANDRA-11841)
 + * Tracing payload is passed through newSession(..) (CASSANDRA-11706)
 + * avoid deleting non existing sstable files and improve related log messages (CASSANDRA-12261)
 + * json/yaml output format for nodetool compactionhistory (CASSANDRA-12486)
 + * Retry all internode messages once after a connection is
 +   closed and reopened (CASSANDRA-12192)
 + * Add support to rebuild from targeted replica (CASSANDRA-9875)
 + * Add sequence distribution type to cassandra stress (CASSANDRA-12490)
 + * "SELECT * FROM foo LIMIT ;" does not error out (CASSANDRA-12154)
 + * Define executeLocally() at the ReadQuery Level (CASSANDRA-12474)
 + * Extend read/write failure messages with a map of replica addresses
 +   to error codes in the v5 native protocol (CASSANDRA-12311)
 + * Fix rebuild of SASI indexes with existing index files (CASSANDRA-12374)
 + * Let DatabaseDescriptor not implicitly startup services (CASSANDRA-9054, 12550)
 + * Fix clustering indexes in presence of static columns in SASI (CASSANDRA-12378)
 + * Fix queries on columns with reversed type on SASI indexes (CASSANDRA-12223)
 + * Added slow query log (CASSANDRA-12403)
 + * Count full coordinated request against timeout (CASSANDRA-12256)
 + * Allow TTL with null value on insert and update (CASSANDRA-12216)
 + * Make decommission operation resumable (CASSANDRA-12008)
 + * Add support to one-way targeted repair (CASSANDRA-9876)
 + * Remove clientutil jar (CASSANDRA-11635)
 + * Fix compaction throughput throttle (CASSANDRA-12366, CASSANDRA-12717)
 + * Delay releasing Memtable memory on flush until PostFlush has finished running (CASSANDRA-12358)
 + * Cassandra stress should dump all setting on startup (CASSANDRA-11914)
 + * Make it possible to compact a given token range (CASSANDRA-10643)
 + * Allow updating DynamicEndpointSnitch properties via JMX (CASSANDRA-12179)
 + * Collect metrics on queries by consistency level (CASSANDRA-7384)
 + * Add support for GROUP BY to SELECT statement (CASSANDRA-10707)
 + * Deprecate memtable_cleanup_threshold and update default for memtable_flush_writers (CASSANDRA-12228)
 + * Upgrade to OHC 0.4.4 (CASSANDRA-12133)
 + * Add version command to cassandra-stress (CASSANDRA-12258)
 + * Create compaction-stress tool (CASSANDRA-11844)
 + * Garbage-collecting compaction operation and schema option (CASSANDRA-7019)
 + * Add beta protocol flag for v5 native protocol (CASSANDRA-12142)
 + * Support filtering on non-PRIMARY KEY columns in the CREATE
 +   MATERIALIZED VIEW statement's WHERE clause (CASSANDRA-10368)
 + * Unify STDOUT and SYSTEMLOG logback format (CASSANDRA-12004)
 + * COPY FROM should raise error for non-existing input files (CASSANDRA-12174)
 + * Faster write path (CASSANDRA-12269)
 + * Option to leave omitted columns in INSERT JSON unset (CASSANDRA-11424)
 + * Support json/yaml output in nodetool tpstats (CASSANDRA-12035)
 + * Expose metrics for successful/failed authentication attempts (CASSANDRA-10635)
 + * Prepend snapshot name with "truncated" or "dropped" when a snapshot
 +   is taken before truncating or dropping a table (CASSANDRA-12178)
 + * Optimize RestrictionSet (CASSANDRA-12153)
 + * cqlsh does not automatically downgrade CQL version (CASSANDRA-12150)
 + * Omit (de)serialization of state variable in UDAs (CASSANDRA-9613)
 + * Create a system table to expose prepared statements (CASSANDRA-8831)
 + * Reuse DataOutputBuffer from ColumnIndex (CASSANDRA-11970)
 + * Remove DatabaseDescriptor dependency from SegmentedFile (CASSANDRA-11580)
 + * Add supplied username to authentication error messages (CASSANDRA-12076)
 + * Remove pre-startup check for open JMX port (CASSANDRA-12074)
 + * Remove compaction Severity from DynamicEndpointSnitch (CASSANDRA-11738)
 + * Restore resumable hints delivery (CASSANDRA-11960)
 + * Properly report LWT contention (CASSANDRA-12626)
 +Merged from 3.0:
+  * Pass root cause to CorruptBlockException when uncompression failed (CASSANDRA-12889)
 - * Fix partition count log during compaction (CASSANDRA-12184)
 -
 -
 -3.0.10
   * Batch with multiple conditional updates for the same partition causes AssertionError (CASSANDRA-12867)
   * Make AbstractReplicationStrategy extendable from outside its package (CASSANDRA-12788)
 - * Fix CommitLogTest.testDeleteIfNotDirty (CASSANDRA-12854)
   * Don't tell users to turn off consistent rangemovements during rebuild. (CASSANDRA-12296)
 - * Avoid deadlock due to materialized view lock contention (CASSANDRA-12689)
 + * Fix CommitLogTest.testDeleteIfNotDirty (CASSANDRA-12854)
 + * Avoid deadlock due to MV lock contention (CASSANDRA-12689)
   * Fix for KeyCacheCqlTest flakiness (CASSANDRA-12801)
   * Include SSTable filename in compacting large row message (CASSANDRA-12384)
   * Fix potential socket leak (CASSANDRA-12329, CASSANDRA-12330)

http://git-wip-us.apache.org/repos/asf/cassandra/blob/0dc8440e/src/java/org/apache/cassandra/io/compress/CompressedSequentialWriter.java
----------------------------------------------------------------------

http://git-wip-us.apache.org/repos/asf/cassandra/blob/0dc8440e/src/java/org/apache/cassandra/io/util/CompressedChunkReader.java
----------------------------------------------------------------------
diff --cc src/java/org/apache/cassandra/io/util/CompressedChunkReader.java
index 5f8751a,0000000..8f00ce7
mode 100644,000000..100644
--- a/src/java/org/apache/cassandra/io/util/CompressedChunkReader.java
+++ b/src/java/org/apache/cassandra/io/util/CompressedChunkReader.java
@@@ -1,227 -1,0 +1,227 @@@
 +/*
 + * Licensed to the Apache Software Foundation (ASF) under one
 + * or more contributor license agreements.  See the NOTICE file
 + * distributed with this work for additional information
 + * regarding copyright ownership.  The ASF licenses this file
 + * to you under the Apache License, Version 2.0 (the
 + * "License"); you may not use this file except in compliance
 + * with the License.  You may obtain a copy of the License at
 + *
 + *     http://www.apache.org/licenses/LICENSE-2.0
 + *
 + * Unless required by applicable law or agreed to in writing, software
 + * distributed under the License is distributed on an "AS IS" BASIS,
 + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 + * See the License for the specific language governing permissions and
 + * limitations under the License.
 + */
 +
 +package org.apache.cassandra.io.util;
 +
 +import java.io.IOException;
 +import java.nio.ByteBuffer;
 +import java.util.concurrent.ThreadLocalRandom;
 +
 +import com.google.common.annotations.VisibleForTesting;
 +import com.google.common.primitives.Ints;
 +
 +import org.apache.cassandra.io.compress.BufferType;
 +import org.apache.cassandra.io.compress.CompressionMetadata;
 +import org.apache.cassandra.io.compress.CorruptBlockException;
 +import org.apache.cassandra.io.sstable.CorruptSSTableException;
 +
 +public abstract class CompressedChunkReader extends AbstractReaderFileProxy implements ChunkReader
 +{
 +    final CompressionMetadata metadata;
 +
 +    protected CompressedChunkReader(ChannelProxy channel, CompressionMetadata metadata)
 +    {
 +        super(channel, metadata.dataLength);
 +        this.metadata = metadata;
 +        assert Integer.bitCount(metadata.chunkLength()) == 1; //must be a power of two
 +    }
 +
 +    @VisibleForTesting
 +    public double getCrcCheckChance()
 +    {
 +        return metadata.parameters.getCrcCheckChance();
 +    }
 +
 +    @Override
 +    public String toString()
 +    {
 +        return String.format("CompressedChunkReader.%s(%s - %s, chunk length %d, data length %d)",
 +                             getClass().getSimpleName(),
 +                             channel.filePath(),
 +                             metadata.compressor().getClass().getSimpleName(),
 +                             metadata.chunkLength(),
 +                             metadata.dataLength);
 +    }
 +
 +    @Override
 +    public int chunkSize()
 +    {
 +        return metadata.chunkLength();
 +    }
 +
 +    @Override
 +    public BufferType preferredBufferType()
 +    {
 +        return metadata.compressor().preferredBufferType();
 +    }
 +
 +    @Override
 +    public Rebufferer instantiateRebufferer()
 +    {
 +        return new BufferManagingRebufferer.Aligned(this);
 +    }
 +
 +    public static class Standard extends CompressedChunkReader
 +    {
 +        // we read the raw compressed bytes into this buffer, then uncompressed them into the provided one.
 +        private final ThreadLocal<ByteBuffer> compressedHolder;
 +
 +        public Standard(ChannelProxy channel, CompressionMetadata metadata)
 +        {
 +            super(channel, metadata);
 +            compressedHolder = ThreadLocal.withInitial(this::allocateBuffer);
 +        }
 +
 +        public ByteBuffer allocateBuffer()
 +        {
 +            return allocateBuffer(metadata.compressor().initialCompressedBufferLength(metadata.chunkLength()));
 +        }
 +
 +        public ByteBuffer allocateBuffer(int size)
 +        {
 +            return metadata.compressor().preferredBufferType().allocate(size);
 +        }
 +
 +        @Override
 +        public void readChunk(long position, ByteBuffer uncompressed)
 +        {
 +            try
 +            {
 +                // accesses must always be aligned
 +                assert (position & -uncompressed.capacity()) == position;
 +                assert position <= fileLength;
 +
 +                CompressionMetadata.Chunk chunk = metadata.chunkFor(position);
 +                ByteBuffer compressed = compressedHolder.get();
 +
 +                if (compressed.capacity() < chunk.length)
 +                {
 +                    compressed = allocateBuffer(chunk.length);
 +                    compressedHolder.set(compressed);
 +                }
 +                else
 +                {
 +                    compressed.clear();
 +                }
 +
 +                compressed.limit(chunk.length);
 +                if (channel.read(compressed, chunk.offset) != chunk.length)
 +                    throw new CorruptBlockException(channel.filePath(), chunk);
 +
 +                compressed.flip();
 +                uncompressed.clear();
 +
 +                try
 +                {
 +                    metadata.compressor().uncompress(compressed, uncompressed);
 +                }
 +                catch (IOException e)
 +                {
-                     throw new CorruptBlockException(channel.filePath(), chunk);
++                    throw new CorruptBlockException(channel.filePath(), chunk, e);
 +                }
 +                finally
 +                {
 +                    uncompressed.flip();
 +                }
 +
 +                if (getCrcCheckChance() > ThreadLocalRandom.current().nextDouble())
 +                {
 +                    compressed.rewind();
 +                    int checksum = (int) metadata.checksumType.of(compressed);
 +
 +                    compressed.clear().limit(Integer.BYTES);
 +                    if (channel.read(compressed, chunk.offset + chunk.length) != Integer.BYTES
 +                                || compressed.getInt(0) != checksum)
 +                        throw new CorruptBlockException(channel.filePath(), chunk);
 +                }
 +            }
 +            catch (CorruptBlockException e)
 +            {
 +                throw new CorruptSSTableException(e, channel.filePath());
 +            }
 +        }
 +    }
 +
 +    public static class Mmap extends CompressedChunkReader
 +    {
 +        protected final MmappedRegions regions;
 +
 +        public Mmap(ChannelProxy channel, CompressionMetadata metadata, MmappedRegions regions)
 +        {
 +            super(channel, metadata);
 +            this.regions = regions;
 +        }
 +
 +        @Override
 +        public void readChunk(long position, ByteBuffer uncompressed)
 +        {
 +            try
 +            {
 +                // accesses must always be aligned
 +                assert (position & -uncompressed.capacity()) == position;
 +                assert position <= fileLength;
 +
 +                CompressionMetadata.Chunk chunk = metadata.chunkFor(position);
 +
 +                MmappedRegions.Region region = regions.floor(chunk.offset);
 +                long segmentOffset = region.offset();
 +                int chunkOffset = Ints.checkedCast(chunk.offset - segmentOffset);
 +                ByteBuffer compressedChunk = region.buffer();
 +
 +                compressedChunk.position(chunkOffset).limit(chunkOffset + chunk.length);
 +
 +                uncompressed.clear();
 +
 +                try
 +                {
 +                    metadata.compressor().uncompress(compressedChunk, uncompressed);
 +                }
 +                catch (IOException e)
 +                {
-                     throw new CorruptBlockException(channel.filePath(), chunk);
++                    throw new CorruptBlockException(channel.filePath(), chunk, e);
 +                }
 +                finally
 +                {
 +                    uncompressed.flip();
 +                }
 +
 +                if (getCrcCheckChance() > ThreadLocalRandom.current().nextDouble())
 +                {
 +                    compressedChunk.position(chunkOffset).limit(chunkOffset + chunk.length);
 +
 +                    int checksum = (int) metadata.checksumType.of(compressedChunk);
 +
 +                    compressedChunk.limit(compressedChunk.capacity());
 +                    if (compressedChunk.getInt() != checksum)
 +                        throw new CorruptBlockException(channel.filePath(), chunk);
 +                }
 +            }
 +            catch (CorruptBlockException e)
 +            {
 +                throw new CorruptSSTableException(e, channel.filePath());
 +            }
 +
 +        }
 +
 +        public void close()
 +        {
 +            regions.closeQuietly();
 +            super.close();
 +        }
 +    }
 +}