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Posted to oak-commits@jackrabbit.apache.org by md...@apache.org on 2015/03/20 22:39:52 UTC
svn commit: r1668163 - in /jackrabbit/oak/branches/1.0: ./
oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/segment/file/TarReader.java
Author: mduerig
Date: Fri Mar 20 21:39:52 2015
New Revision: 1668163
URL: http://svn.apache.org/r1668163
Log:
OAK-2404: Provide more information in SegmentNotFoundException
Merged revision 1668160
Modified:
jackrabbit/oak/branches/1.0/ (props changed)
jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/segment/file/TarReader.java
Propchange: jackrabbit/oak/branches/1.0/
------------------------------------------------------------------------------
--- svn:mergeinfo (original)
+++ svn:mergeinfo Fri Mar 20 21:39:52 2015
@@ -1,2 +1,2 @@
-/jackrabbit/oak/trunk:1584578,1584602,1584614,1584616,1584709,1584781,1584937,1585297,1585304-1585305,1585420,1585424,1585427,1585448,1585465,1585468,1585486,1585497,1585509,1585647,1585655-1585656,1585661,1585665-1585666,1585669-1585670,1585673,1585680,1585719,1585763,1585770,1585896,1585904,1585907,1585940,1585949,1585951,1585956,1585962-1585963,1586287,1586320,1586364,1586372,1586655,1586836,1587130,1587224,1587399,1587408,1587472,1587485,1587488,1587538,1587580,1587807,1588033,1588042,1588046,1588066,1588201,1589025,1589101,1589137,1589141,1589263,1589440,1589442,1589484,1589488,1589661,1589664,1589682,1589708,1589741,1589748,1589789,1589794,1589850,1589864,1590628,1590660,1590684,1590697,1590701,1590980,1590988,1591101,1591226,1591229,1591293,1591314,1591317,1591362,1591374,1591381,1591438,1591467,1591552,1591704,1591713,1591715,1591723,1591874,1592487,1592512,1592658,1592665,1592677,1592742,1592744,1592787,1592809,1592955,1593036,1593048,1593061,1593133,1593210-1593211,1593231
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/jackrabbit/trunk:1345480
Modified: jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/segment/file/TarReader.java
URL: http://svn.apache.org/viewvc/jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/segment/file/TarReader.java?rev=1668163&r1=1668162&r2=1668163&view=diff
==============================================================================
--- jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/segment/file/TarReader.java (original)
+++ jackrabbit/oak/branches/1.0/oak-core/src/main/java/org/apache/jackrabbit/oak/plugins/segment/file/TarReader.java Fri Mar 20 21:39:52 2015
@@ -22,6 +22,7 @@ import static com.google.common.collect.
import static com.google.common.collect.Maps.newHashMap;
import static com.google.common.collect.Maps.newLinkedHashMap;
import static com.google.common.collect.Maps.newTreeMap;
+import static com.google.common.collect.Sets.newHashSet;
import static com.google.common.collect.Sets.newHashSetWithExpectedSize;
import static java.util.Collections.singletonList;
import static org.apache.jackrabbit.oak.plugins.segment.Segment.REF_COUNT_OFFSET;
@@ -54,6 +55,8 @@ class TarReader {
/** Logger instance */
private static final Logger log = LoggerFactory.getLogger(TarReader.class);
+ private static final Logger GC_LOG = LoggerFactory.getLogger(TarReader.class.getName() + "-GC");
+
/** Magic byte sequence at the end of the index block. */
private static final int INDEX_MAGIC = TarWriter.INDEX_MAGIC;
@@ -209,18 +212,18 @@ class TarReader {
return new TarReader(file, mapped, index);
} catch (IOException e) {
log.warn("Failed to mmap tar file " + name
- + ". Falling back to normal file IO,"
- + " which will negatively impact"
- + " repository performance. This"
- + " problem may have been caused by"
- + " restrictions on the amount of"
- + " virtual memory available to the"
- + " JVM. Please make sure that a"
- + " 64-bit JVM is being used and"
- + " that the process has access to"
- + " unlimited virtual memory"
- + " (ulimit option -v).",
- e);
+ + ". Falling back to normal file IO,"
+ + " which will negatively impact"
+ + " repository performance. This"
+ + " problem may have been caused by"
+ + " restrictions on the amount of"
+ + " virtual memory available to the"
+ + " JVM. Please make sure that a"
+ + " 64-bit JVM is being used and"
+ + " that the process has access to"
+ + " unlimited virtual memory"
+ + " (ulimit option -v).",
+ e);
}
}
@@ -365,7 +368,7 @@ class TarReader {
for (int i = 0; i < checkbytes.length; i++) {
if (checkbytes[i] != header[148 + i]) {
log.warn("Invalid entry checksum at offset {} in tar file {}, skipping...",
- access.getFilePointer() - BLOCK_SIZE, file);
+ access.getFilePointer() - BLOCK_SIZE, file);
continue;
}
}
@@ -402,7 +405,7 @@ class TarReader {
crc.update(data);
if (crc.getValue() != Long.parseLong(checksum, 16)) {
log.warn("Checksum mismatch in entry {} of tar file {}, skipping...",
- name, file);
+ name, file);
continue;
}
}
@@ -411,7 +414,7 @@ class TarReader {
}
} else if (!name.equals(file.getName() + ".idx")) {
log.warn("Unexpected entry {} in tar file {}, skipping...",
- name, file);
+ name, file);
long position = access.getFilePointer() + size;
long remainder = position % BLOCK_SIZE;
if (remainder != 0) {
@@ -586,10 +589,7 @@ class TarReader {
}
synchronized TarReader cleanup(Set<UUID> referencedIds, CompactionMap cm) throws IOException {
- if (referencedIds.isEmpty()) {
- return null;
- }
-
+ Set<UUID> cleaned = newHashSet();
Map<UUID, List<UUID>> graph = null;
if (this.graph != null) {
graph = parseGraph();
@@ -613,6 +613,7 @@ class TarReader {
UUID id = new UUID(entry.msb(), entry.lsb());
if (!referencedIds.remove(id)) {
// this segment is not referenced anywhere
+ cleaned.add(id);
sorted[i] = null;
} else {
if (isDataSegmentId(entry.lsb())) {
@@ -621,8 +622,7 @@ class TarReader {
// this is a referenced data segment, so follow the graph
if (graph != null) {
- List<UUID> refids = graph.get(
- new UUID(entry.msb(), entry.lsb()));
+ List<UUID> refids = graph.get(id);
if (refids != null) {
for (UUID r : refids) {
if (isDataSegmentId(r.getLeastSignificantBits())) {
@@ -663,6 +663,7 @@ class TarReader {
} else {
// bulk segments compaction check
if (cm != null && cm.wasCompacted(id)) {
+ cleaned.add(id);
sorted[i] = null;
} else {
size += getEntrySize(entry.size());
@@ -676,6 +677,7 @@ class TarReader {
if (count == 0) {
// none of the entries within this tar file are referenceable
+ logCleanedSegments(cleaned);
return null;
} else if (size >= access.length() * 3 / 4 && graph != null) {
// the space savings are not worth it at less than 25%,
@@ -711,6 +713,7 @@ class TarReader {
TarReader reader = openFirstFileWithValidIndex(
singletonList(newFile), access.isMemoryMapped());
if (reader != null) {
+ logCleanedSegments(cleaned);
return reader;
} else {
log.warn("Failed to open cleaned up tar file {}", file);
@@ -718,6 +721,24 @@ class TarReader {
}
}
+ private void logCleanedSegments(Set<UUID> cleaned) {
+ StringBuilder uuids = new StringBuilder();
+ String newLine = System.getProperty("line.separator", "\n") + " ";
+
+ int c = 0;
+ String sep = "";
+ for (UUID uuid : cleaned) {
+ uuids.append(sep);
+ if (c++ % 4 == 0) {
+ uuids.append(newLine);
+ }
+ uuids.append(uuid);
+ sep = ", ";
+ }
+
+ GC_LOG.info("Cleaned segments from {}: {}", file.getName(), uuids);
+ }
+
File close() throws IOException {
access.close();
return file;