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From git-site-r...@apache.org
Subject [24/51] [partial] hbase-site git commit: Published site at 82d554e3783372cc6b05489452c815b57c06f6cd.
Date Sat, 10 Jun 2017 15:00:14 GMT
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/476c54ed/devapidocs/src-html/org/apache/hadoop/hbase/quotas/QuotaObserverChore.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/quotas/QuotaObserverChore.html b/devapidocs/src-html/org/apache/hadoop/hbase/quotas/QuotaObserverChore.html
index 78816d5..ca6eaae 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/quotas/QuotaObserverChore.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/quotas/QuotaObserverChore.html
@@ -169,599 +169,601 @@
 <span class="sourceLineNo">161</span>    // The current "view" of region space use. Used henceforth.<a name="line.161"></a>
 <span class="sourceLineNo">162</span>    final Map&lt;HRegionInfo,Long&gt; reportedRegionSpaceUse = quotaManager.snapshotRegionSizes();<a name="line.162"></a>
 <span class="sourceLineNo">163</span>    if (LOG.isTraceEnabled()) {<a name="line.163"></a>
-<span class="sourceLineNo">164</span>      LOG.trace("Using " + reportedRegionSpaceUse.size() + " region space use reports");<a name="line.164"></a>
-<span class="sourceLineNo">165</span>    }<a name="line.165"></a>
-<span class="sourceLineNo">166</span><a name="line.166"></a>
-<span class="sourceLineNo">167</span>    // Remove the "old" region reports<a name="line.167"></a>
-<span class="sourceLineNo">168</span>    pruneOldRegionReports();<a name="line.168"></a>
-<span class="sourceLineNo">169</span><a name="line.169"></a>
-<span class="sourceLineNo">170</span>    // Create the stores to track table and namespace snapshots<a name="line.170"></a>
-<span class="sourceLineNo">171</span>    initializeSnapshotStores(reportedRegionSpaceUse);<a name="line.171"></a>
-<span class="sourceLineNo">172</span>    // Report the number of (non-expired) region size reports<a name="line.172"></a>
-<span class="sourceLineNo">173</span>    if (metrics != null) {<a name="line.173"></a>
-<span class="sourceLineNo">174</span>      metrics.setNumRegionSizeReports(reportedRegionSpaceUse.size());<a name="line.174"></a>
-<span class="sourceLineNo">175</span>    }<a name="line.175"></a>
-<span class="sourceLineNo">176</span><a name="line.176"></a>
-<span class="sourceLineNo">177</span>    // Filter out tables for which we don't have adequate regionspace reports yet.<a name="line.177"></a>
-<span class="sourceLineNo">178</span>    // Important that we do this after we instantiate the stores above<a name="line.178"></a>
-<span class="sourceLineNo">179</span>    // This gives us a set of Tables which may or may not be violating their quota.<a name="line.179"></a>
-<span class="sourceLineNo">180</span>    // To be safe, we want to make sure that these are not in violation.<a name="line.180"></a>
-<span class="sourceLineNo">181</span>    Set&lt;TableName&gt; tablesInLimbo = tablesWithQuotas.filterInsufficientlyReportedTables(<a name="line.181"></a>
-<span class="sourceLineNo">182</span>        tableSnapshotStore);<a name="line.182"></a>
-<span class="sourceLineNo">183</span><a name="line.183"></a>
-<span class="sourceLineNo">184</span>    if (LOG.isTraceEnabled()) {<a name="line.184"></a>
-<span class="sourceLineNo">185</span>      LOG.trace("Filtered insufficiently reported tables, left with " +<a name="line.185"></a>
-<span class="sourceLineNo">186</span>          reportedRegionSpaceUse.size() + " regions reported");<a name="line.186"></a>
-<span class="sourceLineNo">187</span>    }<a name="line.187"></a>
-<span class="sourceLineNo">188</span><a name="line.188"></a>
-<span class="sourceLineNo">189</span>    for (TableName tableInLimbo : tablesInLimbo) {<a name="line.189"></a>
-<span class="sourceLineNo">190</span>      final SpaceQuotaSnapshot currentSnapshot = tableSnapshotStore.getCurrentState(tableInLimbo);<a name="line.190"></a>
-<span class="sourceLineNo">191</span>      if (currentSnapshot.getQuotaStatus().isInViolation()) {<a name="line.191"></a>
-<span class="sourceLineNo">192</span>        if (LOG.isTraceEnabled()) {<a name="line.192"></a>
-<span class="sourceLineNo">193</span>          LOG.trace("Moving " + tableInLimbo + " out of violation because fewer region sizes were"<a name="line.193"></a>
-<span class="sourceLineNo">194</span>              + " reported than required.");<a name="line.194"></a>
-<span class="sourceLineNo">195</span>        }<a name="line.195"></a>
-<span class="sourceLineNo">196</span>        SpaceQuotaSnapshot targetSnapshot = new SpaceQuotaSnapshot(<a name="line.196"></a>
-<span class="sourceLineNo">197</span>            SpaceQuotaStatus.notInViolation(), currentSnapshot.getUsage(),<a name="line.197"></a>
-<span class="sourceLineNo">198</span>            currentSnapshot.getLimit());<a name="line.198"></a>
-<span class="sourceLineNo">199</span>        this.snapshotNotifier.transitionTable(tableInLimbo, targetSnapshot);<a name="line.199"></a>
-<span class="sourceLineNo">200</span>        // Update it in the Table QuotaStore so that memory is consistent with no violation.<a name="line.200"></a>
-<span class="sourceLineNo">201</span>        tableSnapshotStore.setCurrentState(tableInLimbo, targetSnapshot);<a name="line.201"></a>
-<span class="sourceLineNo">202</span>      }<a name="line.202"></a>
-<span class="sourceLineNo">203</span>    }<a name="line.203"></a>
-<span class="sourceLineNo">204</span><a name="line.204"></a>
-<span class="sourceLineNo">205</span>    // Transition each table to/from quota violation based on the current and target state.<a name="line.205"></a>
-<span class="sourceLineNo">206</span>    // Only table quotas are enacted.<a name="line.206"></a>
-<span class="sourceLineNo">207</span>    final Set&lt;TableName&gt; tablesWithTableQuotas = tablesWithQuotas.getTableQuotaTables();<a name="line.207"></a>
-<span class="sourceLineNo">208</span>    processTablesWithQuotas(tablesWithTableQuotas);<a name="line.208"></a>
-<span class="sourceLineNo">209</span><a name="line.209"></a>
-<span class="sourceLineNo">210</span>    // For each Namespace quota, transition each table in the namespace in or out of violation<a name="line.210"></a>
-<span class="sourceLineNo">211</span>    // only if a table quota violation policy has not already been applied.<a name="line.211"></a>
-<span class="sourceLineNo">212</span>    final Set&lt;String&gt; namespacesWithQuotas = tablesWithQuotas.getNamespacesWithQuotas();<a name="line.212"></a>
-<span class="sourceLineNo">213</span>    final Multimap&lt;String,TableName&gt; tablesByNamespace = tablesWithQuotas.getTablesByNamespace();<a name="line.213"></a>
-<span class="sourceLineNo">214</span>    processNamespacesWithQuotas(namespacesWithQuotas, tablesByNamespace);<a name="line.214"></a>
-<span class="sourceLineNo">215</span>  }<a name="line.215"></a>
-<span class="sourceLineNo">216</span><a name="line.216"></a>
-<span class="sourceLineNo">217</span>  void initializeSnapshotStores(Map&lt;HRegionInfo,Long&gt; regionSizes) {<a name="line.217"></a>
-<span class="sourceLineNo">218</span>    Map&lt;HRegionInfo,Long&gt; immutableRegionSpaceUse = Collections.unmodifiableMap(regionSizes);<a name="line.218"></a>
-<span class="sourceLineNo">219</span>    if (tableSnapshotStore == null) {<a name="line.219"></a>
-<span class="sourceLineNo">220</span>      tableSnapshotStore = new TableQuotaSnapshotStore(conn, this, immutableRegionSpaceUse);<a name="line.220"></a>
-<span class="sourceLineNo">221</span>    } else {<a name="line.221"></a>
-<span class="sourceLineNo">222</span>      tableSnapshotStore.setRegionUsage(immutableRegionSpaceUse);<a name="line.222"></a>
-<span class="sourceLineNo">223</span>    }<a name="line.223"></a>
-<span class="sourceLineNo">224</span>    if (namespaceSnapshotStore == null) {<a name="line.224"></a>
-<span class="sourceLineNo">225</span>      namespaceSnapshotStore = new NamespaceQuotaSnapshotStore(<a name="line.225"></a>
-<span class="sourceLineNo">226</span>          conn, this, immutableRegionSpaceUse);<a name="line.226"></a>
-<span class="sourceLineNo">227</span>    } else {<a name="line.227"></a>
-<span class="sourceLineNo">228</span>      namespaceSnapshotStore.setRegionUsage(immutableRegionSpaceUse);<a name="line.228"></a>
-<span class="sourceLineNo">229</span>    }<a name="line.229"></a>
-<span class="sourceLineNo">230</span>  }<a name="line.230"></a>
-<span class="sourceLineNo">231</span><a name="line.231"></a>
-<span class="sourceLineNo">232</span>  /**<a name="line.232"></a>
-<span class="sourceLineNo">233</span>   * Processes each {@code TableName} which has a quota defined and moves it in or out of<a name="line.233"></a>
-<span class="sourceLineNo">234</span>   * violation based on the space use.<a name="line.234"></a>
-<span class="sourceLineNo">235</span>   *<a name="line.235"></a>
-<span class="sourceLineNo">236</span>   * @param tablesWithTableQuotas The HBase tables which have quotas defined<a name="line.236"></a>
-<span class="sourceLineNo">237</span>   */<a name="line.237"></a>
-<span class="sourceLineNo">238</span>  void processTablesWithQuotas(final Set&lt;TableName&gt; tablesWithTableQuotas) throws IOException {<a name="line.238"></a>
-<span class="sourceLineNo">239</span>    long numTablesInViolation = 0L;<a name="line.239"></a>
-<span class="sourceLineNo">240</span>    for (TableName table : tablesWithTableQuotas) {<a name="line.240"></a>
-<span class="sourceLineNo">241</span>      final SpaceQuota spaceQuota = tableSnapshotStore.getSpaceQuota(table);<a name="line.241"></a>
-<span class="sourceLineNo">242</span>      if (spaceQuota == null) {<a name="line.242"></a>
-<span class="sourceLineNo">243</span>        if (LOG.isDebugEnabled()) {<a name="line.243"></a>
-<span class="sourceLineNo">244</span>          LOG.debug("Unexpectedly did not find a space quota for " + table<a name="line.244"></a>
-<span class="sourceLineNo">245</span>              + ", maybe it was recently deleted.");<a name="line.245"></a>
-<span class="sourceLineNo">246</span>        }<a name="line.246"></a>
-<span class="sourceLineNo">247</span>        continue;<a name="line.247"></a>
-<span class="sourceLineNo">248</span>      }<a name="line.248"></a>
-<span class="sourceLineNo">249</span>      final SpaceQuotaSnapshot currentSnapshot = tableSnapshotStore.getCurrentState(table);<a name="line.249"></a>
-<span class="sourceLineNo">250</span>      final SpaceQuotaSnapshot targetSnapshot = tableSnapshotStore.getTargetState(table, spaceQuota);<a name="line.250"></a>
-<span class="sourceLineNo">251</span>      if (LOG.isTraceEnabled()) {<a name="line.251"></a>
-<span class="sourceLineNo">252</span>        LOG.trace("Processing " + table + " with current=" + currentSnapshot + ", target="<a name="line.252"></a>
-<span class="sourceLineNo">253</span>            + targetSnapshot);<a name="line.253"></a>
-<span class="sourceLineNo">254</span>      }<a name="line.254"></a>
-<span class="sourceLineNo">255</span>      updateTableQuota(table, currentSnapshot, targetSnapshot);<a name="line.255"></a>
-<span class="sourceLineNo">256</span><a name="line.256"></a>
-<span class="sourceLineNo">257</span>      if (targetSnapshot.getQuotaStatus().isInViolation()) {<a name="line.257"></a>
-<span class="sourceLineNo">258</span>        numTablesInViolation++;<a name="line.258"></a>
-<span class="sourceLineNo">259</span>      }<a name="line.259"></a>
-<span class="sourceLineNo">260</span>    }<a name="line.260"></a>
-<span class="sourceLineNo">261</span>    // Report the number of tables in violation<a name="line.261"></a>
-<span class="sourceLineNo">262</span>    if (metrics != null) {<a name="line.262"></a>
-<span class="sourceLineNo">263</span>      metrics.setNumTableInSpaceQuotaViolation(numTablesInViolation);<a name="line.263"></a>
-<span class="sourceLineNo">264</span>    }<a name="line.264"></a>
-<span class="sourceLineNo">265</span>  }<a name="line.265"></a>
-<span class="sourceLineNo">266</span><a name="line.266"></a>
-<span class="sourceLineNo">267</span>  /**<a name="line.267"></a>
-<span class="sourceLineNo">268</span>   * Processes each namespace which has a quota defined and moves all of the tables contained<a name="line.268"></a>
-<span class="sourceLineNo">269</span>   * in that namespace into or out of violation of the quota. Tables which are already in<a name="line.269"></a>
-<span class="sourceLineNo">270</span>   * violation of a quota at the table level which &lt;em&gt;also&lt;/em&gt; have a reside in a namespace<a name="line.270"></a>
-<span class="sourceLineNo">271</span>   * with a violated quota will not have the namespace quota enacted. The table quota takes<a name="line.271"></a>
-<span class="sourceLineNo">272</span>   * priority over the namespace quota.<a name="line.272"></a>
-<span class="sourceLineNo">273</span>   *<a name="line.273"></a>
-<span class="sourceLineNo">274</span>   * @param namespacesWithQuotas The set of namespaces that have quotas defined<a name="line.274"></a>
-<span class="sourceLineNo">275</span>   * @param tablesByNamespace A mapping of namespaces and the tables contained in those namespaces<a name="line.275"></a>
-<span class="sourceLineNo">276</span>   */<a name="line.276"></a>
-<span class="sourceLineNo">277</span>  void processNamespacesWithQuotas(<a name="line.277"></a>
-<span class="sourceLineNo">278</span>      final Set&lt;String&gt; namespacesWithQuotas,<a name="line.278"></a>
-<span class="sourceLineNo">279</span>      final Multimap&lt;String,TableName&gt; tablesByNamespace) throws IOException {<a name="line.279"></a>
-<span class="sourceLineNo">280</span>    long numNamespacesInViolation = 0L;<a name="line.280"></a>
-<span class="sourceLineNo">281</span>    for (String namespace : namespacesWithQuotas) {<a name="line.281"></a>
-<span class="sourceLineNo">282</span>      // Get the quota definition for the namespace<a name="line.282"></a>
-<span class="sourceLineNo">283</span>      final SpaceQuota spaceQuota = namespaceSnapshotStore.getSpaceQuota(namespace);<a name="line.283"></a>
-<span class="sourceLineNo">284</span>      if (spaceQuota == null) {<a name="line.284"></a>
-<span class="sourceLineNo">285</span>        if (LOG.isDebugEnabled()) {<a name="line.285"></a>
-<span class="sourceLineNo">286</span>          LOG.debug("Could not get Namespace space quota for " + namespace<a name="line.286"></a>
-<span class="sourceLineNo">287</span>              + ", maybe it was recently deleted.");<a name="line.287"></a>
-<span class="sourceLineNo">288</span>        }<a name="line.288"></a>
-<span class="sourceLineNo">289</span>        continue;<a name="line.289"></a>
-<span class="sourceLineNo">290</span>      }<a name="line.290"></a>
-<span class="sourceLineNo">291</span>      final SpaceQuotaSnapshot currentSnapshot = namespaceSnapshotStore.getCurrentState(namespace);<a name="line.291"></a>
-<span class="sourceLineNo">292</span>      final SpaceQuotaSnapshot targetSnapshot = namespaceSnapshotStore.getTargetState(<a name="line.292"></a>
-<span class="sourceLineNo">293</span>          namespace, spaceQuota);<a name="line.293"></a>
-<span class="sourceLineNo">294</span>      if (LOG.isTraceEnabled()) {<a name="line.294"></a>
-<span class="sourceLineNo">295</span>        LOG.trace("Processing " + namespace + " with current=" + currentSnapshot + ", target="<a name="line.295"></a>
-<span class="sourceLineNo">296</span>            + targetSnapshot);<a name="line.296"></a>
-<span class="sourceLineNo">297</span>      }<a name="line.297"></a>
-<span class="sourceLineNo">298</span>      updateNamespaceQuota(namespace, currentSnapshot, targetSnapshot, tablesByNamespace);<a name="line.298"></a>
-<span class="sourceLineNo">299</span><a name="line.299"></a>
-<span class="sourceLineNo">300</span>      if (targetSnapshot.getQuotaStatus().isInViolation()) {<a name="line.300"></a>
-<span class="sourceLineNo">301</span>        numNamespacesInViolation++;<a name="line.301"></a>
-<span class="sourceLineNo">302</span>      }<a name="line.302"></a>
-<span class="sourceLineNo">303</span>    }<a name="line.303"></a>
-<span class="sourceLineNo">304</span><a name="line.304"></a>
-<span class="sourceLineNo">305</span>    // Report the number of namespaces in violation<a name="line.305"></a>
-<span class="sourceLineNo">306</span>    if (metrics != null) {<a name="line.306"></a>
-<span class="sourceLineNo">307</span>      metrics.setNumNamespacesInSpaceQuotaViolation(numNamespacesInViolation);<a name="line.307"></a>
-<span class="sourceLineNo">308</span>    }<a name="line.308"></a>
-<span class="sourceLineNo">309</span>  }<a name="line.309"></a>
-<span class="sourceLineNo">310</span><a name="line.310"></a>
-<span class="sourceLineNo">311</span>  /**<a name="line.311"></a>
-<span class="sourceLineNo">312</span>   * Updates the hbase:quota table with the new quota policy for this &lt;code&gt;table&lt;/code&gt;<a name="line.312"></a>
-<span class="sourceLineNo">313</span>   * if necessary.<a name="line.313"></a>
-<span class="sourceLineNo">314</span>   *<a name="line.314"></a>
-<span class="sourceLineNo">315</span>   * @param table The table being checked<a name="line.315"></a>
-<span class="sourceLineNo">316</span>   * @param currentSnapshot The state of the quota on this table from the previous invocation.<a name="line.316"></a>
-<span class="sourceLineNo">317</span>   * @param targetSnapshot The state the quota should be in for this table.<a name="line.317"></a>
-<span class="sourceLineNo">318</span>   */<a name="line.318"></a>
-<span class="sourceLineNo">319</span>  void updateTableQuota(<a name="line.319"></a>
-<span class="sourceLineNo">320</span>      TableName table, SpaceQuotaSnapshot currentSnapshot, SpaceQuotaSnapshot targetSnapshot)<a name="line.320"></a>
-<span class="sourceLineNo">321</span>          throws IOException {<a name="line.321"></a>
-<span class="sourceLineNo">322</span>    final SpaceQuotaStatus currentStatus = currentSnapshot.getQuotaStatus();<a name="line.322"></a>
-<span class="sourceLineNo">323</span>    final SpaceQuotaStatus targetStatus = targetSnapshot.getQuotaStatus();<a name="line.323"></a>
-<span class="sourceLineNo">324</span><a name="line.324"></a>
-<span class="sourceLineNo">325</span>    // If we're changing something, log it.<a name="line.325"></a>
-<span class="sourceLineNo">326</span>    if (!currentSnapshot.equals(targetSnapshot)) {<a name="line.326"></a>
-<span class="sourceLineNo">327</span>      // If the target is none, we're moving out of violation. Update the hbase:quota table<a name="line.327"></a>
-<span class="sourceLineNo">328</span>      if (!targetStatus.isInViolation()) {<a name="line.328"></a>
-<span class="sourceLineNo">329</span>        if (LOG.isDebugEnabled()) {<a name="line.329"></a>
-<span class="sourceLineNo">330</span>          LOG.debug(table + " moving into observance of table space quota.");<a name="line.330"></a>
-<span class="sourceLineNo">331</span>        }<a name="line.331"></a>
-<span class="sourceLineNo">332</span>      } else if (LOG.isDebugEnabled()) {<a name="line.332"></a>
-<span class="sourceLineNo">333</span>        // We're either moving into violation or changing violation policies<a name="line.333"></a>
-<span class="sourceLineNo">334</span>        LOG.debug(table + " moving into violation of table space quota with policy of "<a name="line.334"></a>
-<span class="sourceLineNo">335</span>            + targetStatus.getPolicy());<a name="line.335"></a>
-<span class="sourceLineNo">336</span>      }<a name="line.336"></a>
-<span class="sourceLineNo">337</span><a name="line.337"></a>
-<span class="sourceLineNo">338</span>      this.snapshotNotifier.transitionTable(table, targetSnapshot);<a name="line.338"></a>
-<span class="sourceLineNo">339</span>      // Update it in memory<a name="line.339"></a>
-<span class="sourceLineNo">340</span>      tableSnapshotStore.setCurrentState(table, targetSnapshot);<a name="line.340"></a>
-<span class="sourceLineNo">341</span>    } else if (LOG.isTraceEnabled()) {<a name="line.341"></a>
-<span class="sourceLineNo">342</span>      // Policies are the same, so we have nothing to do except log this. Don't need to re-update<a name="line.342"></a>
-<span class="sourceLineNo">343</span>      // the quota table<a name="line.343"></a>
-<span class="sourceLineNo">344</span>      if (!currentStatus.isInViolation()) {<a name="line.344"></a>
-<span class="sourceLineNo">345</span>        LOG.trace(table + " remains in observance of quota.");<a name="line.345"></a>
-<span class="sourceLineNo">346</span>      } else {<a name="line.346"></a>
-<span class="sourceLineNo">347</span>        LOG.trace(table + " remains in violation of quota.");<a name="line.347"></a>
-<span class="sourceLineNo">348</span>      }<a name="line.348"></a>
-<span class="sourceLineNo">349</span>    }<a name="line.349"></a>
-<span class="sourceLineNo">350</span>  }<a name="line.350"></a>
-<span class="sourceLineNo">351</span><a name="line.351"></a>
-<span class="sourceLineNo">352</span>  /**<a name="line.352"></a>
-<span class="sourceLineNo">353</span>   * Updates the hbase:quota table with the target quota policy for this &lt;code&gt;namespace&lt;/code&gt;<a name="line.353"></a>
-<span class="sourceLineNo">354</span>   * if necessary.<a name="line.354"></a>
-<span class="sourceLineNo">355</span>   *<a name="line.355"></a>
-<span class="sourceLineNo">356</span>   * @param namespace The namespace being checked<a name="line.356"></a>
-<span class="sourceLineNo">357</span>   * @param currentSnapshot The state of the quota on this namespace from the previous invocation<a name="line.357"></a>
-<span class="sourceLineNo">358</span>   * @param targetSnapshot The state the quota should be in for this namespace<a name="line.358"></a>
-<span class="sourceLineNo">359</span>   * @param tablesByNamespace A mapping of tables in namespaces.<a name="line.359"></a>
-<span class="sourceLineNo">360</span>   */<a name="line.360"></a>
-<span class="sourceLineNo">361</span>  void updateNamespaceQuota(<a name="line.361"></a>
-<span class="sourceLineNo">362</span>      String namespace, SpaceQuotaSnapshot currentSnapshot, SpaceQuotaSnapshot targetSnapshot,<a name="line.362"></a>
-<span class="sourceLineNo">363</span>      final Multimap&lt;String,TableName&gt; tablesByNamespace) throws IOException {<a name="line.363"></a>
-<span class="sourceLineNo">364</span>    final SpaceQuotaStatus targetStatus = targetSnapshot.getQuotaStatus();<a name="line.364"></a>
-<span class="sourceLineNo">365</span><a name="line.365"></a>
-<span class="sourceLineNo">366</span>    // When the policies differ, we need to move into or out of violatino<a name="line.366"></a>
-<span class="sourceLineNo">367</span>    if (!currentSnapshot.equals(targetSnapshot)) {<a name="line.367"></a>
-<span class="sourceLineNo">368</span>      // We want to have a policy of "NONE", moving out of violation<a name="line.368"></a>
-<span class="sourceLineNo">369</span>      if (!targetStatus.isInViolation()) {<a name="line.369"></a>
-<span class="sourceLineNo">370</span>        for (TableName tableInNS : tablesByNamespace.get(namespace)) {<a name="line.370"></a>
-<span class="sourceLineNo">371</span>          // If there is a quota on this table in violation<a name="line.371"></a>
-<span class="sourceLineNo">372</span>          if (tableSnapshotStore.getCurrentState(tableInNS).getQuotaStatus().isInViolation()) {<a name="line.372"></a>
-<span class="sourceLineNo">373</span>            // Table-level quota violation policy is being applied here.<a name="line.373"></a>
-<span class="sourceLineNo">374</span>            if (LOG.isTraceEnabled()) {<a name="line.374"></a>
-<span class="sourceLineNo">375</span>              LOG.trace("Not activating Namespace violation policy because a Table violation"<a name="line.375"></a>
-<span class="sourceLineNo">376</span>                  + " policy is already in effect for " + tableInNS);<a name="line.376"></a>
-<span class="sourceLineNo">377</span>            }<a name="line.377"></a>
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-<span class="sourceLineNo">379</span>            LOG.info(tableInNS + " moving into observance of namespace space quota");<a name="line.379"></a>
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+<span class="sourceLineNo">259</span>      if (targetSnapshot.getQuotaStatus().isInViolation()) {<a name="line.259"></a>
+<span class="sourceLineNo">260</span>        numTablesInViolation++;<a name="line.260"></a>
+<span class="sourceLineNo">261</span>      }<a name="line.261"></a>
+<span class="sourceLineNo">262</span>    }<a name="line.262"></a>
+<span class="sourceLineNo">263</span>    // Report the number of tables in violation<a name="line.263"></a>
+<span class="sourceLineNo">264</span>    if (metrics != null) {<a name="line.264"></a>
+<span class="sourceLineNo">265</span>      metrics.setNumTableInSpaceQuotaViolation(numTablesInViolation);<a name="line.265"></a>
+<span class="sourceLineNo">266</span>    }<a name="line.266"></a>
+<span class="sourceLineNo">267</span>  }<a name="line.267"></a>
+<span class="sourceLineNo">268</span><a name="line.268"></a>
+<span class="sourceLineNo">269</span>  /**<a name="line.269"></a>
+<span class="sourceLineNo">270</span>   * Processes each namespace which has a quota defined and moves all of the tables contained<a name="line.270"></a>
+<span class="sourceLineNo">271</span>   * in that namespace into or out of violation of the quota. Tables which are already in<a name="line.271"></a>
+<span class="sourceLineNo">272</span>   * violation of a quota at the table level which &lt;em&gt;also&lt;/em&gt; have a reside in a namespace<a name="line.272"></a>
+<span class="sourceLineNo">273</span>   * with a violated quota will not have the namespace quota enacted. The table quota takes<a name="line.273"></a>
+<span class="sourceLineNo">274</span>   * priority over the namespace quota.<a name="line.274"></a>
+<span class="sourceLineNo">275</span>   *<a name="line.275"></a>
+<span class="sourceLineNo">276</span>   * @param namespacesWithQuotas The set of namespaces that have quotas defined<a name="line.276"></a>
+<span class="sourceLineNo">277</span>   * @param tablesByNamespace A mapping of namespaces and the tables contained in those namespaces<a name="line.277"></a>
+<span class="sourceLineNo">278</span>   */<a name="line.278"></a>
+<span class="sourceLineNo">279</span>  void processNamespacesWithQuotas(<a name="line.279"></a>
+<span class="sourceLineNo">280</span>      final Set&lt;String&gt; namespacesWithQuotas,<a name="line.280"></a>
+<span class="sourceLineNo">281</span>      final Multimap&lt;String,TableName&gt; tablesByNamespace) throws IOException {<a name="line.281"></a>
+<span class="sourceLineNo">282</span>    long numNamespacesInViolation = 0L;<a name="line.282"></a>
+<span class="sourceLineNo">283</span>    for (String namespace : namespacesWithQuotas) {<a name="line.283"></a>
+<span class="sourceLineNo">284</span>      // Get the quota definition for the namespace<a name="line.284"></a>
+<span class="sourceLineNo">285</span>      final SpaceQuota spaceQuota = namespaceSnapshotStore.getSpaceQuota(namespace);<a name="line.285"></a>
+<span class="sourceLineNo">286</span>      if (spaceQuota == null) {<a name="line.286"></a>
+<span class="sourceLineNo">287</span>        if (LOG.isDebugEnabled()) {<a name="line.287"></a>
+<span class="sourceLineNo">288</span>          LOG.debug("Could not get Namespace space quota for " + namespace<a name="line.288"></a>
+<span class="sourceLineNo">289</span>              + ", maybe it was recently deleted.");<a name="line.289"></a>
+<span class="sourceLineNo">290</span>        }<a name="line.290"></a>
+<span class="sourceLineNo">291</span>        continue;<a name="line.291"></a>
+<span class="sourceLineNo">292</span>      }<a name="line.292"></a>
+<span class="sourceLineNo">293</span>      final SpaceQuotaSnapshot currentSnapshot = namespaceSnapshotStore.getCurrentState(namespace);<a name="line.293"></a>
+<span class="sourceLineNo">294</span>      final SpaceQuotaSnapshot targetSnapshot = namespaceSnapshotStore.getTargetState(<a name="line.294"></a>
+<span class="sourceLineNo">295</span>          namespace, spaceQuota);<a name="line.295"></a>
+<span class="sourceLineNo">296</span>      if (LOG.isTraceEnabled()) {<a name="line.296"></a>
+<span class="sourceLineNo">297</span>        LOG.trace("Processing " + namespace + " with current=" + currentSnapshot + ", target="<a name="line.297"></a>
+<span class="sourceLineNo">298</span>            + targetSnapshot);<a name="line.298"></a>
+<span class="sourceLineNo">299</span>      }<a name="line.299"></a>
+<span class="sourceLineNo">300</span>      updateNamespaceQuota(namespace, currentSnapshot, targetSnapshot, tablesByNamespace);<a name="line.300"></a>
+<span class="sourceLineNo">301</span><a name="line.301"></a>
+<span class="sourceLineNo">302</span>      if (targetSnapshot.getQuotaStatus().isInViolation()) {<a name="line.302"></a>
+<span class="sourceLineNo">303</span>        numNamespacesInViolation++;<a name="line.303"></a>
+<span class="sourceLineNo">304</span>      }<a name="line.304"></a>
+<span class="sourceLineNo">305</span>    }<a name="line.305"></a>
+<span class="sourceLineNo">306</span><a name="line.306"></a>
+<span class="sourceLineNo">307</span>    // Report the number of namespaces in violation<a name="line.307"></a>
+<span class="sourceLineNo">308</span>    if (metrics != null) {<a name="line.308"></a>
+<span class="sourceLineNo">309</span>      metrics.setNumNamespacesInSpaceQuotaViolation(numNamespacesInViolation);<a name="line.309"></a>
+<span class="sourceLineNo">310</span>    }<a name="line.310"></a>
+<span class="sourceLineNo">311</span>  }<a name="line.311"></a>
+<span class="sourceLineNo">312</span><a name="line.312"></a>
+<span class="sourceLineNo">313</span>  /**<a name="line.313"></a>
+<span class="sourceLineNo">314</span>   * Updates the hbase:quota table with the new quota policy for this &lt;code&gt;table&lt;/code&gt;<a name="line.314"></a>
+<span class="sourceLineNo">315</span>   * if necessary.<a name="line.315"></a>
+<span class="sourceLineNo">316</span>   *<a name="line.316"></a>
+<span class="sourceLineNo">317</span>   * @param table The table being checked<a name="line.317"></a>
+<span class="sourceLineNo">318</span>   * @param currentSnapshot The state of the quota on this table from the previous invocation.<a name="line.318"></a>
+<span class="sourceLineNo">319</span>   * @param targetSnapshot The state the quota should be in for this table.<a name="line.319"></a>
+<span class="sourceLineNo">320</span>   */<a name="line.320"></a>
+<span class="sourceLineNo">321</span>  void updateTableQuota(<a name="line.321"></a>
+<span class="sourceLineNo">322</span>      TableName table, SpaceQuotaSnapshot currentSnapshot, SpaceQuotaSnapshot targetSnapshot)<a name="line.322"></a>
+<span class="sourceLineNo">323</span>          throws IOException {<a name="line.323"></a>
+<span class="sourceLineNo">324</span>    final SpaceQuotaStatus currentStatus = currentSnapshot.getQuotaStatus();<a name="line.324"></a>
+<span class="sourceLineNo">325</span>    final SpaceQuotaStatus targetStatus = targetSnapshot.getQuotaStatus();<a name="line.325"></a>
+<span class="sourceLineNo">326</span><a name="line.326"></a>
+<span class="sourceLineNo">327</span>    // If we're changing something, log it.<a name="line.327"></a>
+<span class="sourceLineNo">328</span>    if (!currentSnapshot.equals(targetSnapshot)) {<a name="line.328"></a>
+<span class="sourceLineNo">329</span>      // If the target is none, we're moving out of violation. Update the hbase:quota table<a name="line.329"></a>
+<span class="sourceLineNo">330</span>      if (!targetStatus.isInViolation()) {<a name="line.330"></a>
+<span class="sourceLineNo">331</span>        if (LOG.isDebugEnabled()) {<a name="line.331"></a>
+<span class="sourceLineNo">332</span>          LOG.debug(table + " moving into observance of table space quota.");<a name="line.332"></a>
+<span class="sourceLineNo">333</span>        }<a name="line.333"></a>
+<span class="sourceLineNo">334</span>      } else if (LOG.isDebugEnabled()) {<a name="line.334"></a>
+<span class="sourceLineNo">335</span>        // We're either moving into violation or changing violation policies<a name="line.335"></a>
+<span class="sourceLineNo">336</span>        LOG.debug(table + " moving into violation of table space quota with policy of "<a name="line.336"></a>
+<span class="sourceLineNo">337</span>            + targetStatus.getPolicy());<a name="line.337"></a>
+<span class="sourceLineNo">338</span>      }<a name="line.338"></a>
+<span class="sourceLineNo">339</span><a name="line.339"></a>
+<span class="sourceLineNo">340</span>      this.snapshotNotifier.transitionTable(table, targetSnapshot);<a name="line.340"></a>
+<span class="sourceLineNo">341</span>      // Update it in memory<a name="line.341"></a>
+<span class="sourceLineNo">342</span>      tableSnapshotStore.setCurrentState(table, targetSnapshot);<a name="line.342"></a>
+<span class="sourceLineNo">343</span>    } else if (LOG.isTraceEnabled()) {<a name="line.343"></a>
+<span class="sourceLineNo">344</span>      // Policies are the same, so we have nothing to do except log this. Don't need to re-update<a name="line.344"></a>
+<span class="sourceLineNo">345</span>      // the quota table<a name="line.345"></a>
+<span class="sourceLineNo">346</span>      if (!currentStatus.isInViolation()) {<a name="line.346"></a>
+<span class="sourceLineNo">347</span>        LOG.trace(table + " remains in observance of quota.");<a name="line.347"></a>
+<span class="sourceLineNo">348</span>      } else {<a name="line.348"></a>
+<span class="sourceLineNo">349</span>        LOG.trace(table + " remains in violation of quota.");<a name="line.349"></a>
+<span class="sourceLineNo">350</span>      }<a name="line.350"></a>
+<span class="sourceLineNo">351</span>    }<a name="line.351"></a>
+<span class="sourceLineNo">352</span>  }<a name="line.352"></a>
+<span class="sourceLineNo">353</span><a name="line.353"></a>
+<span class="sourceLineNo">354</span>  /**<a name="line.354"></a>
+<span class="sourceLineNo">355</span>   * Updates the hbase:quota table with the target quota policy for this &lt;code&gt;namespace&lt;/code&gt;<a name="line.355"></a>
+<span class="sourceLineNo">356</span>   * if necessary.<a name="line.356"></a>
+<span class="sourceLineNo">357</span>   *<a name="line.357"></a>
+<span class="sourceLineNo">358</span>   * @param namespace The namespace being checked<a name="line.358"></a>
+<span class="sourceLineNo">359</span>   * @param currentSnapshot The state of the quota on this namespace from the previous invocation<a name="line.359"></a>
+<span class="sourceLineNo">360</span>   * @param targetSnapshot The state the quota should be in for this namespace<a name="line.360"></a>
+<span class="sourceLineNo">361</span>   * @param tablesByNamespace A mapping of tables in namespaces.<a name="line.361"></a>
+<span class="sourceLineNo">362</span>   */<a name="line.362"></a>
+<span class="sourceLineNo">363</span>  void updateNamespaceQuota(<a name="line.363"></a>
+<span class="sourceLineNo">364</span>      String namespace, SpaceQuotaSnapshot currentSnapshot, SpaceQuotaSnapshot targetSnapshot,<a name="line.364"></a>
+<span class="sourceLineNo">365</span>      final Multimap&lt;String,TableName&gt; tablesByNamespace) throws IOException {<a name="line.365"></a>
+<span class="sourceLineNo">366</span>    final SpaceQuotaStatus targetStatus = targetSnapshot.getQuotaStatus();<a name="line.366"></a>
+<span class="sourceLineNo">367</span><a name="line.367"></a>
+<span class="sourceLineNo">368</span>    // When the policies differ, we need to move into or out of violatino<a name="line.368"></a>
+<span class="sourceLineNo">369</span>    if (!currentSnapshot.equals(targetSnapshot)) {<a name="line.369"></a>
+<span class="sourceLineNo">370</span>      // We want to have a policy of "NONE", moving out of violation<a name="line.370"></a>
+<span class="sourceLineNo">371</span>      if (!targetStatus.isInViolation()) {<a name="line.371"></a>
+<span class="sourceLineNo">372</span>        for (TableName tableInNS : tablesByNamespace.get(namespace)) {<a name="line.372"></a>
+<span class="sourceLineNo">373</span>          // If there is a quota on this table in violation<a name="line.373"></a>
+<span class="sourceLineNo">374</span>          if (tableSnapshotStore.getCurrentState(tableInNS).getQuotaStatus().isInViolation()) {<a name="line.374"></a>
+<span class="sourceLineNo">375</span>            // Table-level quota violation policy is being applied here.<a name="line.375"></a>
+<span class="sourceLineNo">376</span>            if (LOG.isTraceEnabled()) {<a name="line.376"></a>
+<span class="sourceLineNo">377</span>              LOG.trace("Not activating Namespace violation policy because a Table violation"<a name="line.377"></a>
+<span class="sourceLineNo">378</span>                  + " policy is already in effect for " + tableInNS);<a name="line.378"></a>
+<span class="sourceLineNo">379</span>            }<a name="line.379"></a>
+<span class="sourceLineNo">380</span>          } else {<a name="line.380"></a>
+<span class="sourceLineNo">381</span>            LOG.info(tableInNS + " moving into observance of namespace space quota");<a name="line.381"></a>
+<span class="sourceLineNo">382</span>            this.snapshotNotifier.transitionTable(tableInNS, targetSnapshot);<a name="line.382"></a>
+<span class="sourceLineNo">383</span>          }<a name="line.383"></a>
+<span class="sourceLineNo">384</span>        }<a name="line.384"></a>
+<span class="sourceLineNo">385</span>      // We want to move into violation at the NS level<a name="line.385"></a>
+<span class="sourceLineNo">386</span>      } else {<a name="line.386"></a>
+<span class="sourceLineNo">387</span>        // Moving tables in the namespace into violation or to a different violation policy<a name="line.387"></a>
+<span class="sourceLineNo">388</span>        for (TableName tableInNS : tablesByNamespace.get(namespace)) {<a name="line.388"></a>
+<span class="sourceLineNo">389</span>          final SpaceQuotaSnapshot tableQuotaSnapshot =<a name="line.389"></a>
+<span class="sourceLineNo">390</span>                tableSnapshotStore.getCurrentState(tableInNS);<a name="line.390"></a>
+<span class="sourceLineNo">391</span>          final boolean hasTableQuota = QuotaSnapshotStore.NO_QUOTA != tableQuotaSnapshot;<a name="line.391"></a>
+<span class="sourceLineNo">392</span>          if (hasTableQuota &amp;&amp; tableQuotaSnapshot.getQuotaStatus().isInViolation()) {<a name="line.392"></a>
+<span class="sourceLineNo">393</span>            // Table-level quota violation policy is being applied here.<a name="line.393"></a>
+<span class="sourceLineNo">394</span>            if (LOG.isTraceEnabled()) {<a name="line.394"></a>
+<span class="sourceLineNo">395</span>              LOG.trace("Not activating Namespace violation policy because a Table violation"<a name="line.395"></a>
+<span class="sourceLineNo">396</span>                  + " policy is already in effect for " + tableInNS);<a name="line.396"></a>
+<span class="sourceLineNo">397</span>            }<a name="line.397"></a>
+<span class="sourceLineNo">398</span>          } else {<a name="line.398"></a>
+<span class="sourceLineNo">399</span>            // No table quota present or a table quota present that is not in violation<a name="line.399"></a>
+<span class="sourceLineNo">400</span>            LOG.info(tableInNS + " moving into violation of namespace space quota with policy "<a name="line.400"></a>
+<span class="sourceLineNo">401</span>                + targetStatus.getPolicy());<a name="line.401"></a>
+<span class="sourceLineNo">402</span>            this.snapshotNotifier.transitionTable(tableInNS, targetSnapshot);<a name="line.402"></a>
+<span class="sourceLineNo">403</span>          }<a name="line.403"></a>
+<span class="sourceLineNo">404</span>        }<a name="line.404"></a>
+<span class="sourceLineNo">405</span>      }<a name="line.405"></a>
+<span class="sourceLineNo">406</span>      // Update the new state in memory for this namespace<a name="line.406"></a>
+<span class="sourceLineNo">407</span>      namespaceSnapshotStore.setCurrentState(namespace, targetSnapshot);<a name="line.407"></a>
+<span class="sourceLineNo">408</span>    } else {<a name="line.408"></a>
+<span class="sourceLineNo">409</span>      // Policies are the same<a name="line.409"></a>
+<span class="sourceLineNo">410</span>      if (!targetStatus.isInViolation()) {<a name="line.410"></a>
+<span class="sourceLineNo">411</span>        // Both are NONE, so we remain in observance<a name="line.411"></a>
+<span class="sourceLineNo">412</span>        if (LOG.isTraceEnabled()) {<a name="line.412"></a>
+<span class="sourceLineNo">413</span>          LOG.trace(namespace + " remains in observance of quota.");<a name="line.413"></a>
+<span class="sourceLineNo">414</span>        }<a name="line.414"></a>
+<span class="sourceLineNo">415</span>      } else {<a name="line.415"></a>
+<span class="sourceLineNo">416</span>        // Namespace quota is still in violation, need to enact if the table quota is not<a name="line.416"></a>
+<span class="sourceLineNo">417</span>        // taking priority.<a name="line.417"></a>
+<span class="sourceLineNo">418</span>        for (TableName tableInNS : tablesByNamespace.get(namespace)) {<a name="line.418"></a>
+<span class="sourceLineNo">419</span>          // Does a table policy exist<a name="line.419"></a>
+<span class="sourceLineNo">420</span>          if (tableSnapshotStore.getCurrentState(tableInNS).getQuotaStatus().isInViolation()) {<a name="line.420"></a>
+<span class="sourceLineNo">421</span>            // Table-level quota violation policy is being applied here.<a name="line.421"></a>
+<span class="sourceLineNo">422</span>            if (LOG.isTraceEnabled()) {<a name="line.422"></a>
+<span class="sourceLineNo">423</span>              LOG.trace("Not activating Namespace violation policy because Table violation"<a name="line.423"></a>
+<span class="sourceLineNo">424</span>                  + " policy is already in effect for " + tableInNS);<a

<TRUNCATED>

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