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Kafka Index Task that supports Incremental handoffs #4178

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5efcbad
Kafka Index Task that supports Incremental handoffs
pjain1 Apr 15, 2017
265a644
simplify check point restore logic
pjain1 May 2, 2017
c2ac2bf
Seperate file for DriverHolder
pjain1 May 3, 2017
1d34980
add license header
pjain1 May 3, 2017
5bc24d9
checkpoint restore fix
pjain1 May 6, 2017
b9cd89e
further simplify restore logic
pjain1 May 10, 2017
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2 changes: 2 additions & 0 deletions common/src/main/java/io/druid/metadata/MetadataStorageConnector.java
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Original file line number Diff line number Diff line change
Expand Up @@ -54,5 +54,7 @@ byte[] lookup(

void createSupervisorsTable();

void createTaskCheckPointsTable();

void deleteAllRecords(String tableName);
}
14 changes: 12 additions & 2 deletions common/src/main/java/io/druid/metadata/MetadataStorageTablesConfig.java
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Expand Up @@ -31,7 +31,7 @@ public class MetadataStorageTablesConfig
{
public static MetadataStorageTablesConfig fromBase(String base)
{
return new MetadataStorageTablesConfig(base, null, null, null, null, null, null, null, null, null, null);
return new MetadataStorageTablesConfig(base, null, null, null, null, null, null, null, null, null, null, null);
}

public static final String TASK_ENTRY_TYPE = "task";
Expand Down Expand Up @@ -75,6 +75,9 @@ public static MetadataStorageTablesConfig fromBase(String base)
@JsonProperty("supervisors")
private final String supervisorTable;

@JsonProperty("taskCheckPoints")
private final String taskCheckPointsTable;

@JsonCreator
public MetadataStorageTablesConfig(
@JsonProperty("base") String base,
Expand All @@ -87,7 +90,8 @@ public MetadataStorageTablesConfig(
@JsonProperty("taskLog") String taskLogTable,
@JsonProperty("taskLock") String taskLockTable,
@JsonProperty("audit") String auditTable,
@JsonProperty("supervisors") String supervisorTable
@JsonProperty("supervisors") String supervisorTable,
@JsonProperty("taskCheckPoints") String taskCheckPointsTable
)
{
this.base = (base == null) ? DEFAULT_BASE : base;
Expand All @@ -105,6 +109,7 @@ public MetadataStorageTablesConfig(
lockTables.put(TASK_ENTRY_TYPE, this.taskLockTable);
this.auditTable = makeTableName(auditTable, "audit");
this.supervisorTable = makeTableName(supervisorTable, "supervisors");
this.taskCheckPointsTable = makeTableName(taskCheckPointsTable, "taskCheckPoints");
}

private String makeTableName(String explicitTableName, String defaultSuffix)
Expand Down Expand Up @@ -193,4 +198,9 @@ public String getTaskLockTable()
{
return taskLockTable;
}

public String getTaskCheckPointsTable()
{
return taskCheckPointsTable;
}
}
11 changes: 5 additions & 6 deletions ...ata-storage/src/test/java/io/druid/metadata/storage/sqlserver/SQLServerConnectorTest.java
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Expand Up @@ -18,15 +18,13 @@
*/
package io.druid.metadata.storage.sqlserver;

import java.sql.SQLException;

import org.junit.Assert;
import org.junit.Test;

import com.google.common.base.Suppliers;

import io.druid.metadata.MetadataStorageConnectorConfig;
import io.druid.metadata.MetadataStorageTablesConfig;
import org.junit.Assert;
import org.junit.Test;

import java.sql.SQLException;

@SuppressWarnings("nls")
public class SQLServerConnectorTest
Expand All @@ -49,6 +47,7 @@ public void testIsTransientException() throws Exception
null,
null,
null,
null,
null
)
)
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