[
https://issues.apache.org/jira/browse/TRAFODION-3026?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16505272#comment-16505272
]
ASF GitHub Bot commented on TRAFODION-3026:
-------------------------------------------
Github user prashanth-vasudev commented on a diff in the pull request:
https://github.com/apache/trafodion/pull/1532#discussion_r193885236
--- Diff:
core/sqf/src/seatrans/hbase-trx/src/main/java/org/apache/hadoop/hbase/client/transactional/TransactionManager.java
---
@@ -3226,5 +3260,65 @@ public RecoveryRequestResponse call(TrxRegionService
instance) throws IOExceptio
return resultArray[0].getResultList();
}
+
+ public void setStoragePolicy(String tblName, String policy)
+ throws IOException {
+
+ int retryCount = 0;
+ int retrySleep = TM_SLEEP;
+ boolean retry = false;
+ try {
+ Table tbl = connection.getTable(TableName.valueOf(tblName));
+ String rowkey = "0";
+ CoprocessorRpcChannel channel =
tbl.coprocessorService(rowkey.getBytes());
+
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.TrxRegionService.BlockingInterface
service =
+
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.TrxRegionService.newBlockingStub(channel);
+
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.TrafSetStoragePolicyRequest.Builder
request =
+
org.apache.hadoop.hbase.coprocessor.transactional.generated.TrxRegionProtos.TrafSetStoragePolicyRequest.newBuilder();
+ String hbaseRoot = config.get("hbase.rootdir");
+ FileSystem fs = FileSystem.get(config);
+ //Construct the HDFS dir
+ //find out if namespace is there
+ String[] parts = tblName.split(":");
+ String namespacestr="";
--- End diff --
One concern here is we make assumptions of hbase internal directory
structure for the table. This assumption may not hold good between releases. Is
there any public api that can be used or some uniform way?
> add create option storage policy
> --------------------------------
>
> Key: TRAFODION-3026
> URL: https://issues.apache.org/jira/browse/TRAFODION-3026
> Project: Apache Trafodion
> Issue Type: New Feature
> Reporter: liu ming
> Assignee: liu ming
> Priority: Major
>
> HDFS support HSM, it is possible to specify the storage policy in HBase
> column family attribute, so it can use the underlying storage policy
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