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https://issues.apache.org/jira/browse/HBASE-20821?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16834443#comment-16834443
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Shardul Singh commented on HBASE-20821:
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Hi [~nihaljain.cs] , I have a patch for this jira....if you are not working on
this..should i go ahead and attach the patch?
> Re-creating a dropped namespace and contained table inherits previously set
> space quota settings
> ------------------------------------------------------------------------------------------------
>
> Key: HBASE-20821
> URL: https://issues.apache.org/jira/browse/HBASE-20821
> Project: HBase
> Issue Type: Bug
> Reporter: Nihal Jain
> Assignee: Nihal Jain
> Priority: Major
>
> As demonstarted in
> [HBASE-20662.master.002.patch|https://issues.apache.org/jira/secure/attachment/12927187/HBASE-20662.master.002.patch]
> re-creating a dropped namespace and contained table inherits previously set
> space quota settings.
> *Steps:*
> * Create a namespace and a table in it
> * Set space quota on namespace
> * Violate namespace quota
> * Drop table and then namespace
> * Re create same namespace and same table
> * Put data into the table (more than the previosuly set namespace quota
> limit)
> {code:java}
> private void setQuotaAndThenDropNamespace(final String namespace,
> SpaceViolationPolicy policy)
> throws Exception {
> Put put = new Put(Bytes.toBytes("to_reject"));
> put.addColumn(Bytes.toBytes(SpaceQuotaHelperForTests.F1),
> Bytes.toBytes("to"),
> Bytes.toBytes("reject"));
> createNamespaceIfNotExist(TEST_UTIL.getAdmin(), namespace);
> // Do puts until we violate space policy
> final TableName tn =
> writeUntilNSSpaceViolationAndVerifyViolation(namespace, policy, put);
> // Now, drop the table
> TEST_UTIL.deleteTable(tn);
> LOG.debug("Successfully deleted table ", tn);
> // Now, drop the namespace
> TEST_UTIL.getAdmin().deleteNamespace(namespace);
> LOG.debug("Successfully deleted the namespace ", namespace);
> // Now re-create the namespace
> createNamespaceIfNotExist(TEST_UTIL.getAdmin(), namespace);
> LOG.debug("Successfully re-created the namespace ", namespace);
> TEST_UTIL.createTable(tn, Bytes.toBytes(SpaceQuotaHelperForTests.F1));
> LOG.debug("Successfully re-created table ", tn);
> // Put some rows now: should not violate as namespace/quota was dropped
> verifyNoViolation(policy, tn, put);
> }
> {code}
> *Expected*: SpaceQuota settings should not exist on the newly re-created
> table and we should be able to put limit less data into the table
> *Actual:* We fail to put data into newly created table as SpaceQuota settings
> (systematically created due to previously added namespace space quota) exist
> on table
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