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718029fc
R
rocksdb
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rocksdb
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体验新版 GitCode,发现更多精彩内容 >>
提交
718029fc
编写于
6月 22, 2014
作者:
A
Ankit Gupta
浏览文件
操作
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电子邮件补丁
差异文件
Arc lint fixes
上级
e0ebea6c
变更
5
隐藏空白更改
内联
并排
Showing
5 changed file
with
25 addition
and
25 deletion
+25
-25
java/org/rocksdb/BackupableDBOptions.java
java/org/rocksdb/BackupableDBOptions.java
+2
-2
java/org/rocksdb/StatisticsCollector.java
java/org/rocksdb/StatisticsCollector.java
+11
-11
java/org/rocksdb/StatisticsCollectorCallback.java
java/org/rocksdb/StatisticsCollectorCallback.java
+1
-1
java/org/rocksdb/test/StatisticsCollectorTest.java
java/org/rocksdb/test/StatisticsCollectorTest.java
+9
-9
java/org/rocksdb/test/StatsCallbackMock.java
java/org/rocksdb/test/StatsCallbackMock.java
+2
-2
未找到文件。
java/org/rocksdb/BackupableDBOptions.java
浏览文件 @
718029fc
...
...
@@ -38,10 +38,10 @@ public class BackupableDBOptions extends RocksObject {
boolean
destroyOldData
,
boolean
backupLogFiles
,
long
backupRateLimit
,
long
restoreRateLimit
)
{
super
();
backupRateLimit
=
(
backupRateLimit
<=
0
)
?
0
:
backupRateLimit
;
restoreRateLimit
=
(
restoreRateLimit
<=
0
)
?
0
:
restoreRateLimit
;
newBackupableDBOptions
(
path
,
shareTableFiles
,
sync
,
destroyOldData
,
backupLogFiles
,
backupRateLimit
,
restoreRateLimit
);
}
...
...
java/org/rocksdb/StatisticsCollector.java
浏览文件 @
718029fc
...
...
@@ -14,7 +14,7 @@ import java.util.concurrent.atomic.AtomicBoolean;
* Helper class to collect DB statistics periodically at a period specified in
* constructor. Callback function (provided in constructor) is called with
* every statistics collection.
*
*
* Caller should call start() to start statistics collection. Shutdown() should
* be called to stop stats collection and should be called before statistics (
* provided in constructor) reference has been disposed.
...
...
@@ -25,31 +25,31 @@ public class StatisticsCollector {
private
final
int
_statsCollectionInterval
;
private
final
StatisticsCollectorCallback
_statsCallback
;
private
volatile
boolean
_isRunning
=
true
;
public
StatisticsCollector
(
Statistics
statistics
,
public
StatisticsCollector
(
Statistics
statistics
,
int
statsCollectionIntervalInMilliSeconds
,
StatisticsCollectorCallback
statsCallback
)
{
_statistics
=
statistics
;
_statsCollectionInterval
=
statsCollectionIntervalInMilliSeconds
;
_statsCallback
=
statsCallback
;
_threadPoolExecutor
=
new
ThreadPoolExecutor
(
1
,
1
,
0
,
TimeUnit
.
SECONDS
,
new
ArrayBlockingQueue
<
Runnable
>(
1
));
}
public
void
start
()
{
_threadPoolExecutor
.
submit
(
collectStatistics
());
}
public
void
shutDown
()
throws
InterruptedException
{
_isRunning
=
false
;
_threadPoolExecutor
.
shutdown
();
// Wait for collectStatistics runnable to finish so that disposal of
// Wait for collectStatistics runnable to finish so that disposal of
// statistics does not cause any exceptions to be thrown.
_threadPoolExecutor
.
awaitTermination
(
Integer
.
MAX_VALUE
,
TimeUnit
.
SECONDS
);
}
private
Runnable
collectStatistics
()
{
return
new
Runnable
()
{
...
...
@@ -65,11 +65,11 @@ public class StatisticsCollector {
// Collect histogram data
for
(
HistogramType
histogramType
:
HistogramType
.
values
())
{
HistogramData
histogramData
=
HistogramData
histogramData
=
_statistics
.
geHistogramData
(
histogramType
);
_statsCallback
.
histogramCallback
(
histogramType
,
histogramData
);
}
Thread
.
sleep
(
_statsCollectionInterval
);
}
catch
(
InterruptedException
e
)
{
...
...
java/org/rocksdb/StatisticsCollectorCallback.java
浏览文件 @
718029fc
...
...
@@ -17,7 +17,7 @@ public interface StatisticsCollectorCallback {
* @param tickerCount Value of ticker type.
*/
void
tickerCallback
(
TickerType
tickerType
,
long
tickerCount
);
/**
* Callback function to get histogram values.
* @param histType Histogram type.
...
...
java/org/rocksdb/test/StatisticsCollectorTest.java
浏览文件 @
718029fc
...
...
@@ -12,28 +12,28 @@ public class StatisticsCollectorTest {
static
{
RocksDB
.
loadLibrary
();
}
public
static
void
main
(
String
[]
args
)
throws
InterruptedException
,
RocksDBException
{
Options
opt
=
new
Options
().
createStatistics
().
setCreateIfMissing
(
true
);
Statistics
stats
=
opt
.
statisticsPtr
();
RocksDB
db
=
RocksDB
.
open
(
db_path
);
StatsCallbackMock
callback
=
new
StatsCallbackMock
();
StatisticsCollector
statsCollector
=
new
StatisticsCollector
(
stats
,
100
,
StatisticsCollector
statsCollector
=
new
StatisticsCollector
(
stats
,
100
,
callback
);
statsCollector
.
start
();
Thread
.
sleep
(
1000
);
assert
(
callback
.
tickerCallbackCount
>
0
);
assert
(
callback
.
histCallbackCount
>
0
);
statsCollector
.
shutDown
();
db
.
close
();
opt
.
dispose
();
System
.
out
.
println
(
"Stats collector test passed.!"
);
}
}
java/org/rocksdb/test/StatsCallbackMock.java
浏览文件 @
718029fc
...
...
@@ -10,11 +10,11 @@ import org.rocksdb.*;
public
class
StatsCallbackMock
implements
StatisticsCollectorCallback
{
public
int
tickerCallbackCount
=
0
;
public
int
histCallbackCount
=
0
;
public
void
tickerCallback
(
TickerType
tickerType
,
long
tickerCount
)
{
tickerCallbackCount
++;
}
public
void
histogramCallback
(
HistogramType
histType
,
HistogramData
histData
)
{
histCallbackCount
++;
...
...
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