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Posted to oak-commits@jackrabbit.apache.org by fr...@apache.org on 2018/08/31 14:02:50 UTC

svn commit: r1839760 - in /jackrabbit/oak/branches/1.6: ./ oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/

Author: frm
Date: Fri Aug 31 14:02:50 2018
New Revision: 1839760

URL: http://svn.apache.org/viewvc?rev=1839760&view=rev
Log:
OAK-7720 - Log hex dumps of too big segments

Backport r1839746 from trunk.

Added:
    jackrabbit/oak/branches/1.6/oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/SegmentDump.java
      - copied, changed from r1839746, jackrabbit/oak/trunk/oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/SegmentDump.java
Modified:
    jackrabbit/oak/branches/1.6/   (props changed)
    jackrabbit/oak/branches/1.6/oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/Segment.java
    jackrabbit/oak/branches/1.6/oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/SegmentBufferWriter.java

Propchange: jackrabbit/oak/branches/1.6/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Fri Aug 31 14:02:50 2018
@@ -1,3 +1,3 @@
 /jackrabbit/oak/branches/1.0:1665962
-/jackrabbit/oak/trunk:1781068,1781075,1781248,1781386,1781846,1781907,1782000,1782029,1782196,1782447,1782476,1782770,1782945,1782966,1782973,1782990,1783061,1783066,1783089,1783104-1783105,1783110,1783619,1783720,1783731,1783733,1783738,1783742,1783773,1783855,1783891,1784023,1784034,1784130,1784162,1784251,1784401,1784551,1784574,1784689,1785095,1785108,1785161,1785172,1785283,1785652,1785838,1785916-1785917,1785919,1785946,1786122,1787074,1787145,1787151,1787217,1787425,1788056,1788378,1788387-1788389,1788463,1788476,1788850,1789056,1789534,1789925,1789940,1789987,1790006,1790013,1790069,1790077,1790079,1790382,1790502-1790503,1792049,1792463,1792742,1792746,1793013,1793088,1793618,1793627,1793644,1794393,1794417,1794683,1795138,1795314,1795330,1795475,1795488,1795491,1795502,1795594,1795613,1795618,1796144,1796230,1796239,1796274,1796278,1796988,1797378,1798035,1798832,1798834,1799219,1799389,1799393,1799924,1800244,1800269,1800606,1800613,1800974,1801011,1801013,1801118-1801119
 ,1801675,1802260,1802262,1802286,1802548,1802905,1802934,1802938,1802973,1803026,1803247-1803249,1803951,1803953-1803955,1804437,1805851-1805852,1806668,1807308,1807688,1808022,1808125,1808128,1808142,1808240,1808246,1809024,1809026,1809131,1809163,1809178-1809179,1809253,1809255-1809256,1809289,1809745,1811071-1811072,1811155,1811380,1811655,1811952,1811963,1811986,1813192,1813538,1814189,1814332,1814397,1815201,1815438,1815926,1817326,1817919,1817987-1817988,1817990,1818038,1818042,1818056,1818124,1818137,1818554,1818576,1818645,1819048,1819050,1821237,1821325,1821358,1821495,1821516,1821847,1822207,1822850,1823172,1823655,1824896,1825471,1825654,1826237,1826338,1826532,1826640,1826932,1826957,1827472,1827486,1827977,1828502,1829527,1829569,1829587,1829665,1829854,1829864,1829987,1829998,1830019,1830160,1830239,1830748,1831190,1831374,1832379,1832535,1833308,1834648-1834649,1834681,1835060,1837475,1837998,1838637
+/jackrabbit/oak/trunk:1781068,1781075,1781248,1781386,1781846,1781907,1782000,1782029,1782196,1782447,1782476,1782770,1782945,1782966,1782973,1782990,1783061,1783066,1783089,1783104-1783105,1783110,1783619,1783720,1783731,1783733,1783738,1783742,1783773,1783855,1783891,1784023,1784034,1784130,1784162,1784251,1784401,1784551,1784574,1784689,1785095,1785108,1785161,1785172,1785283,1785652,1785838,1785916-1785917,1785919,1785946,1786122,1787074,1787145,1787151,1787217,1787425,1788056,1788378,1788387-1788389,1788463,1788476,1788850,1789056,1789534,1789925,1789940,1789987,1790006,1790013,1790069,1790077,1790079,1790382,1790502-1790503,1792049,1792463,1792742,1792746,1793013,1793088,1793618,1793627,1793644,1794393,1794417,1794683,1795138,1795314,1795330,1795475,1795488,1795491,1795502,1795594,1795613,1795618,1796144,1796230,1796239,1796274,1796278,1796988,1797378,1798035,1798832,1798834,1799219,1799389,1799393,1799924,1800244,1800269,1800606,1800613,1800974,1801011,1801013,1801118-1801119
 ,1801675,1802260,1802262,1802286,1802548,1802905,1802934,1802938,1802973,1803026,1803247-1803249,1803951,1803953-1803955,1804437,1805851-1805852,1806668,1807308,1807688,1808022,1808125,1808128,1808142,1808240,1808246,1809024,1809026,1809131,1809163,1809178-1809179,1809253,1809255-1809256,1809289,1809745,1811071-1811072,1811155,1811380,1811655,1811952,1811963,1811986,1813192,1813538,1814189,1814332,1814397,1815201,1815438,1815926,1817326,1817919,1817987-1817988,1817990,1818038,1818042,1818056,1818124,1818137,1818554,1818576,1818645,1819048,1819050,1821237,1821325,1821358,1821495,1821516,1821847,1822207,1822850,1823172,1823655,1824896,1825471,1825654,1826237,1826338,1826532,1826640,1826932,1826957,1827472,1827486,1827977,1828502,1829527,1829569,1829587,1829665,1829854,1829864,1829987,1829998,1830019,1830160,1830239,1830748,1831190,1831374,1832379,1832535,1833308,1834648-1834649,1834681,1835060,1837475,1837998,1838637,1839746
 /jackrabbit/trunk:1345480

Modified: jackrabbit/oak/branches/1.6/oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/Segment.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.6/oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/Segment.java?rev=1839760&r1=1839759&r2=1839760&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.6/oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/Segment.java (original)
+++ jackrabbit/oak/branches/1.6/oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/Segment.java Fri Aug 31 14:02:50 2018
@@ -33,8 +33,7 @@ import static org.apache.jackrabbit.oak.
 
 import java.io.IOException;
 import java.io.OutputStream;
-import java.io.PrintWriter;
-import java.io.StringWriter;
+import java.io.PrintStream;
 import java.nio.ByteBuffer;
 import java.nio.channels.Channels;
 import java.nio.channels.WritableByteChannel;
@@ -45,6 +44,8 @@ import java.util.UUID;
 import javax.annotation.CheckForNull;
 import javax.annotation.Nonnull;
 
+import com.google.common.base.Charsets;
+import com.google.common.collect.AbstractIterator;
 import org.apache.commons.io.HexDump;
 import org.apache.commons.io.output.ByteArrayOutputStream;
 import org.apache.jackrabbit.oak.api.PropertyState;
@@ -52,9 +53,7 @@ import org.apache.jackrabbit.oak.api.Typ
 import org.apache.jackrabbit.oak.commons.StringUtils;
 import org.apache.jackrabbit.oak.plugins.memory.PropertyStates;
 import org.apache.jackrabbit.oak.segment.RecordNumbers.Entry;
-
-import com.google.common.base.Charsets;
-import com.google.common.collect.AbstractIterator;
+import org.apache.jackrabbit.oak.segment.SegmentDump.Dumper;
 
 /**
  * A list of records.
@@ -623,63 +622,35 @@ public class Segment {
 
     @Override
     public String toString() {
-        StringWriter string = new StringWriter();
-        try (PrintWriter writer = new PrintWriter(string)) {
-            int length = data.remaining();
-
-            writer.format("Segment %s (%d bytes)%n", id, length);
-            String segmentInfo = getSegmentInfo();
-            if (segmentInfo != null) {
-                writer.format("Info: %s, Generation: %d%n", segmentInfo, getGcGeneration());
-            }
-            if (id.isDataSegmentId()) {
-                writer.println("--------------------------------------------------------------------------");
-
-                int i = 1;
+        return SegmentDump.dumpSegment(
+            id,
+            data.remaining(),
+            info,
+            getGcGeneration(),
+            segmentReferences,
+            recordNumbers,
+            new Dumper() {
+
+                @Override
+                public void dump(OutputStream stream) {
+                    byte[] buffer;
 
-                for (SegmentId segmentId : segmentReferences) {
-                    writer.format("reference %02x: %s%n", i++, segmentId);
-                }
-
-                for (Entry entry : recordNumbers) {
-                    writer.format("%10s record %08x: %08x%n",
-                            entry.getType(), entry.getRecordNumber(), entry.getOffset());
-                }
-            }
-            writer.println("--------------------------------------------------------------------------");
-            int pos = data.limit() - ((length + 15) & ~15);
-            while (pos < data.limit()) {
-                writer.format("%04x: ", (MAX_SEGMENT_SIZE - data.limit() + pos) >> RECORD_ALIGN_BITS);
-                for (int i = 0; i < 16; i++) {
-                    if (i > 0 && i % 4 == 0) {
-                        writer.append(' ');
-                    }
-                    if (pos + i >= data.position()) {
-                        byte b = data.get(pos + i);
-                        writer.format("%02x ", b & 0xff);
+                    if (data.hasArray()) {
+                        buffer = data.array();
                     } else {
-                        writer.append("   ");
+                        buffer = new byte[data.remaining()];
+                        data.duplicate().get(buffer);
                     }
-                }
-                writer.append(' ');
-                for (int i = 0; i < 16; i++) {
-                    if (pos + i >= data.position()) {
-                        byte b = data.get(pos + i);
-                        if (b >= ' ' && b < 127) {
-                            writer.append((char) b);
-                        } else {
-                            writer.append('.');
-                        }
-                    } else {
-                        writer.append(' ');
+
+                    try {
+                        HexDump.dump(buffer, 0, stream, 0);
+                    } catch (IOException e) {
+                        e.printStackTrace(new PrintStream(stream));
                     }
                 }
-                writer.println();
-                pos += 16;
+
             }
-            writer.println("--------------------------------------------------------------------------");
-            return string.toString();
-        }
+        );
     }
 
     public void writeTo(OutputStream stream) throws IOException {

Modified: jackrabbit/oak/branches/1.6/oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/SegmentBufferWriter.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.6/oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/SegmentBufferWriter.java?rev=1839760&r1=1839759&r2=1839760&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.6/oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/SegmentBufferWriter.java (original)
+++ jackrabbit/oak/branches/1.6/oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/SegmentBufferWriter.java Fri Aug 31 14:02:50 2018
@@ -29,6 +29,7 @@ import static java.lang.System.currentTi
 import static java.lang.System.identityHashCode;
 import static org.apache.jackrabbit.oak.segment.Segment.GC_GENERATION_OFFSET;
 import static org.apache.jackrabbit.oak.segment.Segment.HEADER_SIZE;
+import static org.apache.jackrabbit.oak.segment.Segment.MAX_SEGMENT_SIZE;
 import static org.apache.jackrabbit.oak.segment.Segment.RECORD_ID_BYTES;
 import static org.apache.jackrabbit.oak.segment.Segment.RECORD_SIZE;
 import static org.apache.jackrabbit.oak.segment.Segment.SEGMENT_REFERENCE_SIZE;
@@ -37,6 +38,8 @@ import static org.apache.jackrabbit.oak.
 import static org.apache.jackrabbit.oak.segment.SegmentVersion.LATEST_VERSION;
 
 import java.io.IOException;
+import java.io.OutputStream;
+import java.io.PrintStream;
 import java.util.Collection;
 import java.util.Set;
 
@@ -44,7 +47,9 @@ import javax.annotation.CheckForNull;
 import javax.annotation.Nonnull;
 
 import com.google.common.base.Supplier;
+import org.apache.commons.io.HexDump;
 import org.apache.jackrabbit.oak.segment.RecordNumbers.Entry;
+import org.apache.jackrabbit.oak.segment.SegmentDump.Dumper;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -189,7 +194,7 @@ public class SegmentBufferWriter impleme
      * The segment meta data is guaranteed to be the first string record in a segment.
      */
     private void newSegment() {
-        buffer = new byte[Segment.MAX_SEGMENT_SIZE];
+        buffer = new byte[MAX_SEGMENT_SIZE];
         buffer[0] = '0';
         buffer[1] = 'a';
         buffer[2] = 'K';
@@ -327,6 +332,28 @@ public class SegmentBufferWriter impleme
         dirty = true;
     }
 
+    private String dumpSegmentBuffer() {
+        return SegmentDump.dumpSegment(
+            segment != null ? segment.getSegmentId() : null,
+            length,
+            segment != null ? segment.getSegmentInfo() : null,
+            generation,
+            segmentReferences,
+            recordNumbers,
+            new Dumper() {
+
+                @Override
+                public void dump(OutputStream stream) {
+                    try {
+                        HexDump.dump(buffer, 0, stream, 0);
+                    } catch (IOException e) {
+                        e.printStackTrace(new PrintStream(stream));
+                    }
+                }
+            }
+        );
+    }
+
     /**
      * Adds a segment header to the buffer and writes a segment to the segment
      * store. This is done automatically (called from prepare) when there is not
@@ -346,7 +373,10 @@ public class SegmentBufferWriter impleme
             int totalLength = align(HEADER_SIZE + referencedSegmentIdCount * SEGMENT_REFERENCE_SIZE + recordNumberCount * RECORD_SIZE + length, 16);
 
             if (totalLength > buffer.length) {
-                throw new IllegalStateException("too much data for a segment");
+                LOG.warn("Segment buffer corruption detected\n{}", dumpSegmentBuffer());
+                throw new IllegalStateException(String.format(
+                    "Too much data for a segment %s (referencedSegmentIdCount=%d, recordNumberCount=%d, length=%d, totalLength=%d)",
+                    segment.getSegmentId(), referencedSegmentIdCount, recordNumberCount, length, totalLength));
             }
 
             statistics.size = length = totalLength;

Copied: jackrabbit/oak/branches/1.6/oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/SegmentDump.java (from r1839746, jackrabbit/oak/trunk/oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/SegmentDump.java)
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.6/oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/SegmentDump.java?p2=jackrabbit/oak/branches/1.6/oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/SegmentDump.java&p1=jackrabbit/oak/trunk/oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/SegmentDump.java&r1=1839746&r2=1839760&rev=1839760&view=diff
==============================================================================
--- jackrabbit/oak/trunk/oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/SegmentDump.java (original)
+++ jackrabbit/oak/branches/1.6/oak-segment-tar/src/main/java/org/apache/jackrabbit/oak/segment/SegmentDump.java Fri Aug 31 14:02:50 2018
@@ -24,12 +24,10 @@ import static org.apache.jackrabbit.oak.
 import java.io.OutputStream;
 import java.io.PrintWriter;
 import java.io.StringWriter;
-import java.util.function.Consumer;
 
 import com.google.common.base.Charsets;
 import org.apache.commons.io.output.WriterOutputStream;
 import org.apache.jackrabbit.oak.segment.RecordNumbers.Entry;
-import org.apache.jackrabbit.oak.segment.file.tar.GCGeneration;
 
 class SegmentDump {
 
@@ -37,7 +35,13 @@ class SegmentDump {
         return length - (MAX_SEGMENT_SIZE - offset);
     }
 
-    static String dumpSegment(SegmentId id, int length, String segmentInfo, GCGeneration generation, SegmentReferences segmentReferences, RecordNumbers recordNumbers, Consumer<OutputStream> dumper) {
+    interface Dumper {
+
+        void dump(OutputStream stream);
+
+    }
+
+    static String dumpSegment(SegmentId id, int length, String segmentInfo, int generation, SegmentReferences segmentReferences, RecordNumbers recordNumbers, Dumper dumper) {
         StringWriter string = new StringWriter();
         try (PrintWriter writer = new PrintWriter(string)) {
             writer.format("Segment %s (%d bytes)%n", id, length);
@@ -57,7 +61,7 @@ class SegmentDump {
                 }
             }
             writer.println("--------------------------------------------------------------------------");
-            dumper.accept(new WriterOutputStream(writer, Charsets.UTF_8));
+            dumper.dump(new WriterOutputStream(writer, Charsets.UTF_8));
             writer.println("--------------------------------------------------------------------------");
         }
         return string.toString();