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optimization: all aggrigations are done in a singe transaction

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Former-commit-id: 3229a510ac70dc3f3bbeb49e3493976c90b4bceb
This commit is contained in:
dcollin 2015-12-09 15:24:06 +01:00
parent 6b272cd5a9
commit dc41dc878a
1 changed files with 9 additions and 0 deletions
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9
src/se/koc/hal/deamon/DataAggregatorDaemon.java
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@ -137,6 +137,7 @@ public class DataAggregatorDaemon extends TimerTask implements HalDaemon {
int sum = 0;
int count = 0;
int samples = 0;
HalContext.getDB().getConnection().setAutoCommit(false);
while(result.next()){
long timestamp = result.getLong("timestamp");
long periodTimestamp = getTimestampMinutePeriodStart(5, timestamp);
@ -161,6 +162,8 @@ public class DataAggregatorDaemon extends TimerTask implements HalDaemon {
++count;
++samples;
}
HalContext.getDB().getConnection().commit();
HalContext.getDB().getConnection().setAutoCommit(true);
return null;
}
}
@ -172,6 +175,7 @@ public class DataAggregatorDaemon extends TimerTask implements HalDaemon {
int sum = 0;
float confidenceSum = 0;
int samples = 0;
HalContext.getDB().getConnection().setAutoCommit(false);
while(result.next()){
long timestamp = result.getLong("timestamp_start");
long periodTimestamp = getTimestampMinutePeriodStart(60, timestamp);
@ -202,6 +206,8 @@ public class DataAggregatorDaemon extends TimerTask implements HalDaemon {
prepStmt.setInt(2, result.getInt("sequence_id"));
DBConnection.exec(prepStmt);
}
HalContext.getDB().getConnection().commit();
HalContext.getDB().getConnection().setAutoCommit(true);
return null;
}
}
@ -213,6 +219,7 @@ public class DataAggregatorDaemon extends TimerTask implements HalDaemon {
int sum = 0;
float confidenceSum = 0;
int samples = 0;
HalContext.getDB().getConnection().setAutoCommit(false);
while(result.next()){
long timestamp = result.getLong("timestamp_start");
long periodTimestamp = getTimestampHourPeriodStart(24, timestamp);
@ -244,6 +251,8 @@ public class DataAggregatorDaemon extends TimerTask implements HalDaemon {
prepStmt.setInt(2, result.getInt("sequence_id"));
DBConnection.exec(prepStmt);
}
HalContext.getDB().getConnection().commit();
HalContext.getDB().getConnection().setAutoCommit(true);
return null;
}
}