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I had the same problem with an Excel file.
I think the original problem of this ticket came from reading the excel file.
With the latest versions of Talend (In 2013 it may have been different), you have an advanced option to manage memory differently (Component> Advanced option> Generation mode).
That solved my problem.
Version originale.
"J'ai eu le même problème avec un fichier Excel.
Je pense le problème d’origine de ce ticket venait de la lecture du fichier excel.
Avec les dernières versions de Talend (En 2013 c'était peut-être différent), tu as une option avancée permettant de gérer la mémoire différemment (Composant > option avancée > Mode de génération).
Cela a réglé mon problème."
There is a tparallelize component which connects to 5 subjobs and processing data from core table to staging table in each subjob.
As this is processing huge amount of data from one core table to staging table like 30,00000.
Now it is showing error like below:
we arent allowed to increase JVM.
Could you please provide any other method to optimize query:
tParallelize_1 - GC overhead limit exceeded
java.lang.OutOfMemoryError: GC overhead limit exceeded
at java.util.Arrays.copyOf(Arrays.java:3332)
at java.lang.String.<init>(String.java:166)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.replaceParameterMarkers(SQLServerConnection.java:5063)
at com.microsoft.sqlserver.jdbc.SQLServerPreparedStatement.buildPreparedStrings(SQLServerPreparedStatement.java:234)
at com.microsoft.sqlserver.jdbc.SQLServerPreparedStatement.doExecutePreparedStatementBatch(SQLServerPreparedStatement.java:2021)
at com.microsoft.sqlserver.jdbc.SQLServerPreparedStatement$PrepStmtBatchExecCmd.doExecute(SQLServerPreparedStatement.java:1967)
at com.microsoft.sqlserver.jdbc.TDSCommand.execute(IOBuffer.java:7505)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.executeCommand(SQLServerConnection.java:2445)
at com.microsoft.sqlserver.jdbc.SQLServerStatement.executeCommand(SQLServerStatement.java:191)
at com.microsoft.sqlserver.jdbc.SQLServerStatement.executeStatement(SQLServerStatement.java:166)
at com.microsoft.sqlserver.jdbc.SQLServerPreparedStatement.executeBatch(SQLServerPreparedStatement.java:1858)
at mdm.daily_delta_9_0.Daily_Delta$1LimitBytesHelper_tMSSqlOutput_4.limitBytePart1(Daily_Delta.java:12266)
at mdm.daily_delta_9_0.Daily_Delta.tMSSqlInput_2Process(Daily_Delta.java:12322)
at mdm.daily_delta_9_0.Daily_Delta$3.run(Daily_Delta.java:8303)
There is a tparallelize component which connects to 5 subjobs and processing data from core table to staging table in each subjob.
As this is processing huge amount of data from one core table to staging table like 30,00000.
Now it is showing error like below:
we arent allowed to increase JVM.
Could you please provide any other method to optimize query:
tParallelize_1 - GC overhead limit exceeded
java.lang.OutOfMemoryError: GC overhead limit exceeded
at java.util.Arrays.copyOf(Arrays.java:3332)
at java.lang.String.<init>(String.java:166)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.replaceParameterMarkers(SQLServerConnection.java:5063)
at com.microsoft.sqlserver.jdbc.SQLServerPreparedStatement.buildPreparedStrings(SQLServerPreparedStatement.java:234)
at com.microsoft.sqlserver.jdbc.SQLServerPreparedStatement.doExecutePreparedStatementBatch(SQLServerPreparedStatement.java:2021)
at com.microsoft.sqlserver.jdbc.SQLServerPreparedStatement$PrepStmtBatchExecCmd.doExecute(SQLServerPreparedStatement.java:1967)
at com.microsoft.sqlserver.jdbc.TDSCommand.execute(IOBuffer.java:7505)
at com.microsoft.sqlserver.jdbc.SQLServerConnection.executeCommand(SQLServerConnection.java:2445)
at com.microsoft.sqlserver.jdbc.SQLServerStatement.executeCommand(SQLServerStatement.java:191)
at com.microsoft.sqlserver.jdbc.SQLServerStatement.executeStatement(SQLServerStatement.java:166)
at com.microsoft.sqlserver.jdbc.SQLServerPreparedStatement.executeBatch(SQLServerPreparedStatement.java:1858)
at mdm.daily_delta_9_0.Daily_Delta$1LimitBytesHelper_tMSSqlOutput_4.limitBytePart1(Daily_Delta.java:12266)
at mdm.daily_delta_9_0.Daily_Delta.tMSSqlInput_2Process(Daily_Delta.java:12322)
at mdm.daily_delta_9_0.Daily_Delta$3.run(Daily_Delta.java:8303)