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Posted to commits@hbase.apache.org by gi...@apache.org on 2018/10/23 14:55:55 UTC

[29/37] hbase-site git commit: Published site at 3b68e5393edba011146962c7457faffc1e3c0ee7.

http://git-wip-us.apache.org/repos/asf/hbase-site/blob/3b2f2cea/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/ProcedureStoreTracker.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/ProcedureStoreTracker.html b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/ProcedureStoreTracker.html
index 8515fa3..1579eab 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/ProcedureStoreTracker.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/ProcedureStoreTracker.html
@@ -211,7 +211,7 @@
 <span class="sourceLineNo">203</span>   * then we mark it as deleted.<a name="line.203"></a>
 <span class="sourceLineNo">204</span>   * @see #setDeletedIfModified(long...)<a name="line.204"></a>
 <span class="sourceLineNo">205</span>   */<a name="line.205"></a>
-<span class="sourceLineNo">206</span>  public void setDeletedIfModifiedInBoth(ProcedureStoreTracker tracker) {<a name="line.206"></a>
+<span class="sourceLineNo">206</span>  public void setDeletedIfModifiedInBoth(ProcedureStoreTracker tracker, boolean globalTracker) {<a name="line.206"></a>
 <span class="sourceLineNo">207</span>    BitSetNode trackerNode = null;<a name="line.207"></a>
 <span class="sourceLineNo">208</span>    for (BitSetNode node : map.values()) {<a name="line.208"></a>
 <span class="sourceLineNo">209</span>      final long minProcId = node.getStart();<a name="line.209"></a>
@@ -222,250 +222,285 @@
 <span class="sourceLineNo">214</span>        }<a name="line.214"></a>
 <span class="sourceLineNo">215</span><a name="line.215"></a>
 <span class="sourceLineNo">216</span>        trackerNode = tracker.lookupClosestNode(trackerNode, procId);<a name="line.216"></a>
-<span class="sourceLineNo">217</span>        if (trackerNode == null || !trackerNode.contains(procId) ||<a name="line.217"></a>
-<span class="sourceLineNo">218</span>          trackerNode.isModified(procId)) {<a name="line.218"></a>
-<span class="sourceLineNo">219</span>          // the procedure was removed or modified<a name="line.219"></a>
-<span class="sourceLineNo">220</span>          node.delete(procId);<a name="line.220"></a>
-<span class="sourceLineNo">221</span>        }<a name="line.221"></a>
-<span class="sourceLineNo">222</span>      }<a name="line.222"></a>
-<span class="sourceLineNo">223</span>    }<a name="line.223"></a>
-<span class="sourceLineNo">224</span>  }<a name="line.224"></a>
-<span class="sourceLineNo">225</span><a name="line.225"></a>
-<span class="sourceLineNo">226</span>  /**<a name="line.226"></a>
-<span class="sourceLineNo">227</span>   * lookup the node containing the specified procId.<a name="line.227"></a>
-<span class="sourceLineNo">228</span>   * @param node cached node to check before doing a lookup<a name="line.228"></a>
-<span class="sourceLineNo">229</span>   * @param procId the procId to lookup<a name="line.229"></a>
-<span class="sourceLineNo">230</span>   * @return the node that may contains the procId or null<a name="line.230"></a>
-<span class="sourceLineNo">231</span>   */<a name="line.231"></a>
-<span class="sourceLineNo">232</span>  private BitSetNode lookupClosestNode(final BitSetNode node, final long procId) {<a name="line.232"></a>
-<span class="sourceLineNo">233</span>    if (node != null &amp;&amp; node.contains(procId)) return node;<a name="line.233"></a>
-<span class="sourceLineNo">234</span>    final Map.Entry&lt;Long, BitSetNode&gt; entry = map.floorEntry(procId);<a name="line.234"></a>
-<span class="sourceLineNo">235</span>    return entry != null ? entry.getValue() : null;<a name="line.235"></a>
-<span class="sourceLineNo">236</span>  }<a name="line.236"></a>
-<span class="sourceLineNo">237</span><a name="line.237"></a>
-<span class="sourceLineNo">238</span>  private void trackProcIds(long procId) {<a name="line.238"></a>
-<span class="sourceLineNo">239</span>    minModifiedProcId = Math.min(minModifiedProcId, procId);<a name="line.239"></a>
-<span class="sourceLineNo">240</span>    maxModifiedProcId = Math.max(maxModifiedProcId, procId);<a name="line.240"></a>
+<span class="sourceLineNo">217</span>        if (trackerNode == null || !trackerNode.contains(procId)) {<a name="line.217"></a>
+<span class="sourceLineNo">218</span>          // the procId is not exist in the track, we can only delete the proc<a name="line.218"></a>
+<span class="sourceLineNo">219</span>          // if globalTracker set to true.<a name="line.219"></a>
+<span class="sourceLineNo">220</span>          // Only if the procedure is not in the global tracker we can delete the<a name="line.220"></a>
+<span class="sourceLineNo">221</span>          // the procedure. In other cases, the procedure may not update in a single<a name="line.221"></a>
+<span class="sourceLineNo">222</span>          // log, we cannot delete it just because the log's track doesn't have<a name="line.222"></a>
+<span class="sourceLineNo">223</span>          // any info for the procedure.<a name="line.223"></a>
+<span class="sourceLineNo">224</span>          if (globalTracker) {<a name="line.224"></a>
+<span class="sourceLineNo">225</span>            node.delete(procId);<a name="line.225"></a>
+<span class="sourceLineNo">226</span>          }<a name="line.226"></a>
+<span class="sourceLineNo">227</span>          continue;<a name="line.227"></a>
+<span class="sourceLineNo">228</span>        }<a name="line.228"></a>
+<span class="sourceLineNo">229</span>        // Only check delete in the global tracker, only global tracker has the<a name="line.229"></a>
+<span class="sourceLineNo">230</span>        // whole picture<a name="line.230"></a>
+<span class="sourceLineNo">231</span>        if (globalTracker &amp;&amp; trackerNode.isDeleted(procId) == DeleteState.YES) {<a name="line.231"></a>
+<span class="sourceLineNo">232</span>          node.delete(procId);<a name="line.232"></a>
+<span class="sourceLineNo">233</span>          continue;<a name="line.233"></a>
+<span class="sourceLineNo">234</span>        }<a name="line.234"></a>
+<span class="sourceLineNo">235</span>        if (trackerNode.isModified(procId)) {<a name="line.235"></a>
+<span class="sourceLineNo">236</span>          // the procedure was modified<a name="line.236"></a>
+<span class="sourceLineNo">237</span>          node.delete(procId);<a name="line.237"></a>
+<span class="sourceLineNo">238</span>        }<a name="line.238"></a>
+<span class="sourceLineNo">239</span>      }<a name="line.239"></a>
+<span class="sourceLineNo">240</span>    }<a name="line.240"></a>
 <span class="sourceLineNo">241</span>  }<a name="line.241"></a>
 <span class="sourceLineNo">242</span><a name="line.242"></a>
-<span class="sourceLineNo">243</span>  public long getModifiedMinProcId() {<a name="line.243"></a>
-<span class="sourceLineNo">244</span>    return minModifiedProcId;<a name="line.244"></a>
-<span class="sourceLineNo">245</span>  }<a name="line.245"></a>
-<span class="sourceLineNo">246</span><a name="line.246"></a>
-<span class="sourceLineNo">247</span>  public long getModifiedMaxProcId() {<a name="line.247"></a>
-<span class="sourceLineNo">248</span>    return maxModifiedProcId;<a name="line.248"></a>
-<span class="sourceLineNo">249</span>  }<a name="line.249"></a>
-<span class="sourceLineNo">250</span><a name="line.250"></a>
-<span class="sourceLineNo">251</span>  public void reset() {<a name="line.251"></a>
-<span class="sourceLineNo">252</span>    this.keepDeletes = false;<a name="line.252"></a>
-<span class="sourceLineNo">253</span>    this.partial = false;<a name="line.253"></a>
-<span class="sourceLineNo">254</span>    this.map.clear();<a name="line.254"></a>
-<span class="sourceLineNo">255</span>    resetModified();<a name="line.255"></a>
-<span class="sourceLineNo">256</span>  }<a name="line.256"></a>
-<span class="sourceLineNo">257</span><a name="line.257"></a>
-<span class="sourceLineNo">258</span>  public boolean isModified(long procId) {<a name="line.258"></a>
-<span class="sourceLineNo">259</span>    final Map.Entry&lt;Long, BitSetNode&gt; entry = map.floorEntry(procId);<a name="line.259"></a>
-<span class="sourceLineNo">260</span>    return entry != null &amp;&amp; entry.getValue().contains(procId) &amp;&amp;<a name="line.260"></a>
-<span class="sourceLineNo">261</span>      entry.getValue().isModified(procId);<a name="line.261"></a>
+<span class="sourceLineNo">243</span>  /**<a name="line.243"></a>
+<span class="sourceLineNo">244</span>   * lookup the node containing the specified procId.<a name="line.244"></a>
+<span class="sourceLineNo">245</span>   * @param node cached node to check before doing a lookup<a name="line.245"></a>
+<span class="sourceLineNo">246</span>   * @param procId the procId to lookup<a name="line.246"></a>
+<span class="sourceLineNo">247</span>   * @return the node that may contains the procId or null<a name="line.247"></a>
+<span class="sourceLineNo">248</span>   */<a name="line.248"></a>
+<span class="sourceLineNo">249</span>  private BitSetNode lookupClosestNode(final BitSetNode node, final long procId) {<a name="line.249"></a>
+<span class="sourceLineNo">250</span>    if (node != null &amp;&amp; node.contains(procId)) return node;<a name="line.250"></a>
+<span class="sourceLineNo">251</span>    final Map.Entry&lt;Long, BitSetNode&gt; entry = map.floorEntry(procId);<a name="line.251"></a>
+<span class="sourceLineNo">252</span>    return entry != null ? entry.getValue() : null;<a name="line.252"></a>
+<span class="sourceLineNo">253</span>  }<a name="line.253"></a>
+<span class="sourceLineNo">254</span><a name="line.254"></a>
+<span class="sourceLineNo">255</span>  private void trackProcIds(long procId) {<a name="line.255"></a>
+<span class="sourceLineNo">256</span>    minModifiedProcId = Math.min(minModifiedProcId, procId);<a name="line.256"></a>
+<span class="sourceLineNo">257</span>    maxModifiedProcId = Math.max(maxModifiedProcId, procId);<a name="line.257"></a>
+<span class="sourceLineNo">258</span>  }<a name="line.258"></a>
+<span class="sourceLineNo">259</span><a name="line.259"></a>
+<span class="sourceLineNo">260</span>  public long getModifiedMinProcId() {<a name="line.260"></a>
+<span class="sourceLineNo">261</span>    return minModifiedProcId;<a name="line.261"></a>
 <span class="sourceLineNo">262</span>  }<a name="line.262"></a>
 <span class="sourceLineNo">263</span><a name="line.263"></a>
-<span class="sourceLineNo">264</span>  /**<a name="line.264"></a>
-<span class="sourceLineNo">265</span>   * If {@link #partial} is false, returns state from the bitmap. If no state is found for<a name="line.265"></a>
-<span class="sourceLineNo">266</span>   * {@code procId}, returns YES.<a name="line.266"></a>
-<span class="sourceLineNo">267</span>   * If partial is true, tracker doesn't have complete view of system state, so it returns MAYBE<a name="line.267"></a>
-<span class="sourceLineNo">268</span>   * if there is no update for the procedure or if it doesn't have a state in bitmap. Otherwise,<a name="line.268"></a>
-<span class="sourceLineNo">269</span>   * returns state from the bitmap.<a name="line.269"></a>
-<span class="sourceLineNo">270</span>   */<a name="line.270"></a>
-<span class="sourceLineNo">271</span>  public DeleteState isDeleted(long procId) {<a name="line.271"></a>
-<span class="sourceLineNo">272</span>    Map.Entry&lt;Long, BitSetNode&gt; entry = map.floorEntry(procId);<a name="line.272"></a>
-<span class="sourceLineNo">273</span>    if (entry != null &amp;&amp; entry.getValue().contains(procId)) {<a name="line.273"></a>
-<span class="sourceLineNo">274</span>      BitSetNode node = entry.getValue();<a name="line.274"></a>
-<span class="sourceLineNo">275</span>      DeleteState state = node.isDeleted(procId);<a name="line.275"></a>
-<span class="sourceLineNo">276</span>      return partial &amp;&amp; !node.isModified(procId) ? DeleteState.MAYBE : state;<a name="line.276"></a>
-<span class="sourceLineNo">277</span>    }<a name="line.277"></a>
-<span class="sourceLineNo">278</span>    return partial ? DeleteState.MAYBE : DeleteState.YES;<a name="line.278"></a>
+<span class="sourceLineNo">264</span>  public long getModifiedMaxProcId() {<a name="line.264"></a>
+<span class="sourceLineNo">265</span>    return maxModifiedProcId;<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>  public void reset() {<a name="line.268"></a>
+<span class="sourceLineNo">269</span>    this.keepDeletes = false;<a name="line.269"></a>
+<span class="sourceLineNo">270</span>    this.partial = false;<a name="line.270"></a>
+<span class="sourceLineNo">271</span>    this.map.clear();<a name="line.271"></a>
+<span class="sourceLineNo">272</span>    resetModified();<a name="line.272"></a>
+<span class="sourceLineNo">273</span>  }<a name="line.273"></a>
+<span class="sourceLineNo">274</span><a name="line.274"></a>
+<span class="sourceLineNo">275</span>  public boolean isModified(long procId) {<a name="line.275"></a>
+<span class="sourceLineNo">276</span>    final Map.Entry&lt;Long, BitSetNode&gt; entry = map.floorEntry(procId);<a name="line.276"></a>
+<span class="sourceLineNo">277</span>    return entry != null &amp;&amp; entry.getValue().contains(procId) &amp;&amp;<a name="line.277"></a>
+<span class="sourceLineNo">278</span>      entry.getValue().isModified(procId);<a name="line.278"></a>
 <span class="sourceLineNo">279</span>  }<a name="line.279"></a>
 <span class="sourceLineNo">280</span><a name="line.280"></a>
-<span class="sourceLineNo">281</span>  public long getActiveMinProcId() {<a name="line.281"></a>
-<span class="sourceLineNo">282</span>    Map.Entry&lt;Long, BitSetNode&gt; entry = map.firstEntry();<a name="line.282"></a>
-<span class="sourceLineNo">283</span>    return entry == null ? Procedure.NO_PROC_ID : entry.getValue().getActiveMinProcId();<a name="line.283"></a>
-<span class="sourceLineNo">284</span>  }<a name="line.284"></a>
-<span class="sourceLineNo">285</span><a name="line.285"></a>
-<span class="sourceLineNo">286</span>  public void setKeepDeletes(boolean keepDeletes) {<a name="line.286"></a>
-<span class="sourceLineNo">287</span>    this.keepDeletes = keepDeletes;<a name="line.287"></a>
-<span class="sourceLineNo">288</span>    // If not to keep deletes, remove the BitSetNodes which are empty (i.e. contains ids of deleted<a name="line.288"></a>
-<span class="sourceLineNo">289</span>    // procedures).<a name="line.289"></a>
-<span class="sourceLineNo">290</span>    if (!keepDeletes) {<a name="line.290"></a>
-<span class="sourceLineNo">291</span>      Iterator&lt;Map.Entry&lt;Long, BitSetNode&gt;&gt; it = map.entrySet().iterator();<a name="line.291"></a>
-<span class="sourceLineNo">292</span>      while (it.hasNext()) {<a name="line.292"></a>
-<span class="sourceLineNo">293</span>        Map.Entry&lt;Long, BitSetNode&gt; entry = it.next();<a name="line.293"></a>
-<span class="sourceLineNo">294</span>        if (entry.getValue().isEmpty()) {<a name="line.294"></a>
-<span class="sourceLineNo">295</span>          it.remove();<a name="line.295"></a>
-<span class="sourceLineNo">296</span>        }<a name="line.296"></a>
-<span class="sourceLineNo">297</span>      }<a name="line.297"></a>
-<span class="sourceLineNo">298</span>    }<a name="line.298"></a>
-<span class="sourceLineNo">299</span>  }<a name="line.299"></a>
-<span class="sourceLineNo">300</span><a name="line.300"></a>
-<span class="sourceLineNo">301</span>  public boolean isPartial() {<a name="line.301"></a>
-<span class="sourceLineNo">302</span>    return partial;<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>  public void setPartialFlag(boolean isPartial) {<a name="line.305"></a>
-<span class="sourceLineNo">306</span>    if (this.partial &amp;&amp; !isPartial) {<a name="line.306"></a>
-<span class="sourceLineNo">307</span>      for (Map.Entry&lt;Long, BitSetNode&gt; entry : map.entrySet()) {<a name="line.307"></a>
-<span class="sourceLineNo">308</span>        entry.getValue().unsetPartialFlag();<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>    this.partial = isPartial;<a name="line.311"></a>
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-<span class="sourceLineNo">313</span><a name="line.313"></a>
-<span class="sourceLineNo">314</span>  /**<a name="line.314"></a>
-<span class="sourceLineNo">315</span>   * @return true, if no procedure is active, else false.<a name="line.315"></a>
-<span class="sourceLineNo">316</span>   */<a name="line.316"></a>
-<span class="sourceLineNo">317</span>  public boolean isEmpty() {<a name="line.317"></a>
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-<span class="sourceLineNo">319</span>      if (!entry.getValue().isEmpty()) {<a name="line.319"></a>
-<span class="sourceLineNo">320</span>        return false;<a name="line.320"></a>
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-<span class="sourceLineNo">323</span>    return true;<a name="line.323"></a>
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-<span class="sourceLineNo">326</span>  /**<a name="line.326"></a>
-<span class="sourceLineNo">327</span>   * @return true if all procedure was modified or deleted since last call to<a name="line.327"></a>
-<span class="sourceLineNo">328</span>   *         {@link #resetModified()}.<a name="line.328"></a>
-<span class="sourceLineNo">329</span>   */<a name="line.329"></a>
-<span class="sourceLineNo">330</span>  public boolean isAllModified() {<a name="line.330"></a>
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-<span class="sourceLineNo">336</span>    return true;<a name="line.336"></a>
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-<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>   * Will be used when there are too many proc wal files. We will rewrite the states of the active<a name="line.340"></a>
-<span class="sourceLineNo">341</span>   * procedures in the oldest proc wal file so that we can delete it.<a name="line.341"></a>
-<span class="sourceLineNo">342</span>   * @return all the active procedure ids in this tracker.<a name="line.342"></a>
-<span class="sourceLineNo">343</span>   */<a name="line.343"></a>
-<span class="sourceLineNo">344</span>  public long[] getAllActiveProcIds() {<a name="line.344"></a>
-<span class="sourceLineNo">345</span>    return map.values().stream().map(BitSetNode::getActiveProcIds).filter(p -&gt; p.length &gt; 0)<a name="line.345"></a>
-<span class="sourceLineNo">346</span>      .flatMapToLong(LongStream::of).toArray();<a name="line.346"></a>
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-<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>   * Clears the list of updated procedure ids. This doesn't affect global list of active<a name="line.350"></a>
-<span class="sourceLineNo">351</span>   * procedure ids.<a name="line.351"></a>
-<span class="sourceLineNo">352</span>   */<a name="line.352"></a>
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-<span class="sourceLineNo">354</span>    for (Map.Entry&lt;Long, BitSetNode&gt; entry : map.entrySet()) {<a name="line.354"></a>
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-<span class="sourceLineNo">357</span>    minModifiedProcId = Long.MAX_VALUE;<a name="line.357"></a>
-<span class="sourceLineNo">358</span>    maxModifiedProcId = Long.MIN_VALUE;<a name="line.358"></a>
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-<span class="sourceLineNo">361</span>  private BitSetNode getOrCreateNode(long procId) {<a name="line.361"></a>
-<span class="sourceLineNo">362</span>    // If procId can fit in left node (directly or by growing it)<a name="line.362"></a>
-<span class="sourceLineNo">363</span>    BitSetNode leftNode = null;<a name="line.363"></a>
-<span class="sourceLineNo">364</span>    boolean leftCanGrow = false;<a name="line.364"></a>
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-<span class="sourceLineNo">366</span>    if (leftEntry != null) {<a name="line.366"></a>
-<span class="sourceLineNo">367</span>      leftNode = leftEntry.getValue();<a name="line.367"></a>
-<span class="sourceLineNo">368</span>      if (leftNode.contains(procId)) {<a name="line.368"></a>
-<span class="sourceLineNo">369</span>        return leftNode;<a name="line.369"></a>
-<span class="sourceLineNo">370</span>      }<a name="line.370"></a>
-<span class="sourceLineNo">371</span>      leftCanGrow = leftNode.canGrow(procId);<a name="line.371"></a>
-<span class="sourceLineNo">372</span>    }<a name="line.372"></a>
-<span class="sourceLineNo">373</span><a name="line.373"></a>
-<span class="sourceLineNo">374</span>    // If procId can fit in right node (directly or by growing it)<a name="line.374"></a>
-<span class="sourceLineNo">375</span>    BitSetNode rightNode = null;<a name="line.375"></a>
-<span class="sourceLineNo">376</span>    boolean rightCanGrow = false;<a name="line.376"></a>
-<span class="sourceLineNo">377</span>    Map.Entry&lt;Long, BitSetNode&gt; rightEntry = map.ceilingEntry(procId);<a name="line.377"></a>
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