http://git-wip-us.apache.org/repos/asf/hbase-site/blob/8bc57a1a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/StoreFileInfo.html
----------------------------------------------------------------------
diff --git
a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/StoreFileInfo.html
b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/StoreFileInfo.html
index c467ef4..d4b94dd 100644
---
a/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/StoreFileInfo.html
+++
b/devapidocs/src-html/org/apache/hadoop/hbase/regionserver/StoreFileInfo.html
@@ -165,427 +165,442 @@
<span class="sourceLineNo">157</span><a name="line.157"></a>
<span class="sourceLineNo">158</span> /**<a name="line.158"></a>
<span class="sourceLineNo">159</span> * Create a Store File Info from an
HFileLink<a name="line.159"></a>
-<span class="sourceLineNo">160</span> * @param conf the {@link
Configuration} to use<a name="line.160"></a>
-<span class="sourceLineNo">161</span> * @param fs The current file system to
use.<a name="line.161"></a>
+<span class="sourceLineNo">160</span> * @param conf The {@link
Configuration} to use<a name="line.160"></a>
+<span class="sourceLineNo">161</span> * @param fs The current file system to
use<a name="line.161"></a>
<span class="sourceLineNo">162</span> * @param fileStatus The {@link
FileStatus} of the file<a name="line.162"></a>
<span class="sourceLineNo">163</span> */<a name="line.163"></a>
<span class="sourceLineNo">164</span> public StoreFileInfo(final
Configuration conf, final FileSystem fs, final FileStatus fileStatus,<a
name="line.164"></a>
-<span class="sourceLineNo">165</span> final HFileLink link)<a
name="line.165"></a>
-<span class="sourceLineNo">166</span> throws IOException {<a
name="line.166"></a>
-<span class="sourceLineNo">167</span> this.fs = fs;<a name="line.167"></a>
-<span class="sourceLineNo">168</span> this.conf = conf;<a
name="line.168"></a>
-<span class="sourceLineNo">169</span> // initialPath can be null only if we
get a link.<a name="line.169"></a>
-<span class="sourceLineNo">170</span> this.initialPath = (fileStatus ==
null) ? null : fileStatus.getPath();<a name="line.170"></a>
-<span class="sourceLineNo">171</span> // HFileLink<a name="line.171"></a>
-<span class="sourceLineNo">172</span> this.reference = null;<a
name="line.172"></a>
-<span class="sourceLineNo">173</span> this.link = link;<a
name="line.173"></a>
-<span class="sourceLineNo">174</span> }<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> * Create a Store File Info from an
HFileLink<a name="line.177"></a>
-<span class="sourceLineNo">178</span> * @param conf<a name="line.178"></a>
-<span class="sourceLineNo">179</span> * @param fs<a name="line.179"></a>
-<span class="sourceLineNo">180</span> * @param fileStatus<a
name="line.180"></a>
-<span class="sourceLineNo">181</span> * @param reference<a
name="line.181"></a>
-<span class="sourceLineNo">182</span> * @throws IOException<a
name="line.182"></a>
-<span class="sourceLineNo">183</span> */<a name="line.183"></a>
-<span class="sourceLineNo">184</span> public StoreFileInfo(final
Configuration conf, final FileSystem fs, final FileStatus fileStatus,<a
name="line.184"></a>
-<span class="sourceLineNo">185</span> final Reference reference)<a
name="line.185"></a>
-<span class="sourceLineNo">186</span> throws IOException {<a
name="line.186"></a>
-<span class="sourceLineNo">187</span> this.fs = fs;<a name="line.187"></a>
-<span class="sourceLineNo">188</span> this.conf = conf;<a
name="line.188"></a>
-<span class="sourceLineNo">189</span> this.initialPath =
fileStatus.getPath();<a name="line.189"></a>
-<span class="sourceLineNo">190</span> this.createdTimestamp =
fileStatus.getModificationTime();<a name="line.190"></a>
-<span class="sourceLineNo">191</span> this.reference = reference;<a
name="line.191"></a>
-<span class="sourceLineNo">192</span> this.link = null;<a
name="line.192"></a>
-<span class="sourceLineNo">193</span> }<a name="line.193"></a>
-<span class="sourceLineNo">194</span><a name="line.194"></a>
-<span class="sourceLineNo">195</span> /**<a name="line.195"></a>
-<span class="sourceLineNo">196</span> * Sets the region coprocessor env.<a
name="line.196"></a>
-<span class="sourceLineNo">197</span> * @param coprocessorHost<a
name="line.197"></a>
-<span class="sourceLineNo">198</span> */<a name="line.198"></a>
-<span class="sourceLineNo">199</span> public void
setRegionCoprocessorHost(RegionCoprocessorHost coprocessorHost) {<a
name="line.199"></a>
-<span class="sourceLineNo">200</span> this.coprocessorHost =
coprocessorHost;<a name="line.200"></a>
-<span class="sourceLineNo">201</span> }<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> * @return the Reference object
associated to this StoreFileInfo.<a name="line.204"></a>
-<span class="sourceLineNo">205</span> * null if the StoreFile is not
a reference.<a name="line.205"></a>
-<span class="sourceLineNo">206</span> */<a name="line.206"></a>
-<span class="sourceLineNo">207</span> public Reference getReference() {<a
name="line.207"></a>
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name="line.208"></a>
-<span class="sourceLineNo">209</span> }<a name="line.209"></a>
-<span class="sourceLineNo">210</span><a name="line.210"></a>
-<span class="sourceLineNo">211</span> /** @return True if the store file is a
Reference */<a name="line.211"></a>
-<span class="sourceLineNo">212</span> public boolean isReference() {<a
name="line.212"></a>
-<span class="sourceLineNo">213</span> return this.reference != null;<a
name="line.213"></a>
-<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> /** @return True if the store file is a
top Reference */<a name="line.216"></a>
-<span class="sourceLineNo">217</span> public boolean isTopReference() {<a
name="line.217"></a>
-<span class="sourceLineNo">218</span> return this.reference != null
&& Reference.isTopFileRegion(this.reference.getFileRegion());<a
name="line.218"></a>
-<span class="sourceLineNo">219</span> }<a name="line.219"></a>
-<span class="sourceLineNo">220</span><a name="line.220"></a>
-<span class="sourceLineNo">221</span> /** @return True if the store file is a
link */<a name="line.221"></a>
-<span class="sourceLineNo">222</span> public boolean isLink() {<a
name="line.222"></a>
-<span class="sourceLineNo">223</span> return this.link != null &&
this.reference == null;<a name="line.223"></a>
+<span class="sourceLineNo">165</span> final HFileLink link) {<a
name="line.165"></a>
+<span class="sourceLineNo">166</span> this.fs = fs;<a name="line.166"></a>
+<span class="sourceLineNo">167</span> this.conf = conf;<a
name="line.167"></a>
+<span class="sourceLineNo">168</span> // initialPath can be null only if we
get a link.<a name="line.168"></a>
+<span class="sourceLineNo">169</span> this.initialPath = (fileStatus ==
null) ? null : fileStatus.getPath();<a name="line.169"></a>
+<span class="sourceLineNo">170</span> // HFileLink<a name="line.170"></a>
+<span class="sourceLineNo">171</span> this.reference = null;<a
name="line.171"></a>
+<span class="sourceLineNo">172</span> this.link = link;<a
name="line.172"></a>
+<span class="sourceLineNo">173</span> }<a name="line.173"></a>
+<span class="sourceLineNo">174</span><a name="line.174"></a>
+<span class="sourceLineNo">175</span> /**<a name="line.175"></a>
+<span class="sourceLineNo">176</span> * Create a Store File Info from an
HFileLink<a name="line.176"></a>
+<span class="sourceLineNo">177</span> * @param conf The {@link
Configuration} to use<a name="line.177"></a>
+<span class="sourceLineNo">178</span> * @param fs The current file system to
use<a name="line.178"></a>
+<span class="sourceLineNo">179</span> * @param fileStatus The {@link
FileStatus} of the file<a name="line.179"></a>
+<span class="sourceLineNo">180</span> * @param reference The reference
instance<a name="line.180"></a>
+<span class="sourceLineNo">181</span> */<a name="line.181"></a>
+<span class="sourceLineNo">182</span> public StoreFileInfo(final
Configuration conf, final FileSystem fs, final FileStatus fileStatus,<a
name="line.182"></a>
+<span class="sourceLineNo">183</span> final Reference reference) {<a
name="line.183"></a>
+<span class="sourceLineNo">184</span> this.fs = fs;<a name="line.184"></a>
+<span class="sourceLineNo">185</span> this.conf = conf;<a
name="line.185"></a>
+<span class="sourceLineNo">186</span> this.initialPath =
fileStatus.getPath();<a name="line.186"></a>
+<span class="sourceLineNo">187</span> this.createdTimestamp =
fileStatus.getModificationTime();<a name="line.187"></a>
+<span class="sourceLineNo">188</span> this.reference = reference;<a
name="line.188"></a>
+<span class="sourceLineNo">189</span> this.link = null;<a
name="line.189"></a>
+<span class="sourceLineNo">190</span> }<a name="line.190"></a>
+<span class="sourceLineNo">191</span><a name="line.191"></a>
+<span class="sourceLineNo">192</span> /**<a name="line.192"></a>
+<span class="sourceLineNo">193</span> * Create a Store File Info from an
HFileLink and a Reference<a name="line.193"></a>
+<span class="sourceLineNo">194</span> * @param conf The {@link
Configuration} to use<a name="line.194"></a>
+<span class="sourceLineNo">195</span> * @param fs The current file system to
use<a name="line.195"></a>
+<span class="sourceLineNo">196</span> * @param fileStatus The {@link
FileStatus} of the file<a name="line.196"></a>
+<span class="sourceLineNo">197</span> * @param reference The reference
instance<a name="line.197"></a>
+<span class="sourceLineNo">198</span> * @param link The link instance<a
name="line.198"></a>
+<span class="sourceLineNo">199</span> */<a name="line.199"></a>
+<span class="sourceLineNo">200</span> public StoreFileInfo(final
Configuration conf, final FileSystem fs, final FileStatus fileStatus,<a
name="line.200"></a>
+<span class="sourceLineNo">201</span> final Reference reference, final
HFileLink link) {<a name="line.201"></a>
+<span class="sourceLineNo">202</span> this.fs = fs;<a name="line.202"></a>
+<span class="sourceLineNo">203</span> this.conf = conf;<a
name="line.203"></a>
+<span class="sourceLineNo">204</span> this.initialPath =
fileStatus.getPath();<a name="line.204"></a>
+<span class="sourceLineNo">205</span> this.createdTimestamp =
fileStatus.getModificationTime();<a name="line.205"></a>
+<span class="sourceLineNo">206</span> this.reference = reference;<a
name="line.206"></a>
+<span class="sourceLineNo">207</span> this.link = link;<a
name="line.207"></a>
+<span class="sourceLineNo">208</span> }<a name="line.208"></a>
+<span class="sourceLineNo">209</span><a name="line.209"></a>
+<span class="sourceLineNo">210</span> /**<a name="line.210"></a>
+<span class="sourceLineNo">211</span> * Sets the region coprocessor env.<a
name="line.211"></a>
+<span class="sourceLineNo">212</span> * @param coprocessorHost<a
name="line.212"></a>
+<span class="sourceLineNo">213</span> */<a name="line.213"></a>
+<span class="sourceLineNo">214</span> public void
setRegionCoprocessorHost(RegionCoprocessorHost coprocessorHost) {<a
name="line.214"></a>
+<span class="sourceLineNo">215</span> this.coprocessorHost =
coprocessorHost;<a name="line.215"></a>
+<span class="sourceLineNo">216</span> }<a name="line.216"></a>
+<span class="sourceLineNo">217</span><a name="line.217"></a>
+<span class="sourceLineNo">218</span> /*<a name="line.218"></a>
+<span class="sourceLineNo">219</span> * @return the Reference object
associated to this StoreFileInfo.<a name="line.219"></a>
+<span class="sourceLineNo">220</span> * null if the StoreFile is not
a reference.<a name="line.220"></a>
+<span class="sourceLineNo">221</span> */<a name="line.221"></a>
+<span class="sourceLineNo">222</span> public Reference getReference() {<a
name="line.222"></a>
+<span class="sourceLineNo">223</span> return this.reference;<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> /** @return the HDFS block distribution
*/<a name="line.226"></a>
-<span class="sourceLineNo">227</span> public HDFSBlocksDistribution
getHDFSBlockDistribution() {<a name="line.227"></a>
-<span class="sourceLineNo">228</span> return this.hdfsBlocksDistribution;<a
name="line.228"></a>
+<span class="sourceLineNo">226</span> /** @return True if the store file is a
Reference */<a name="line.226"></a>
+<span class="sourceLineNo">227</span> public boolean isReference() {<a
name="line.227"></a>
+<span class="sourceLineNo">228</span> return this.reference != null;<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> * Open a Reader for the StoreFile<a
name="line.232"></a>
-<span class="sourceLineNo">233</span> * @param fs The current file system to
use.<a name="line.233"></a>
-<span class="sourceLineNo">234</span> * @param cacheConf The cache
configuration and block cache reference.<a name="line.234"></a>
-<span class="sourceLineNo">235</span> * @return The StoreFile.Reader for the
file<a name="line.235"></a>
-<span class="sourceLineNo">236</span> */<a name="line.236"></a>
-<span class="sourceLineNo">237</span> public StoreFileReader open(FileSystem
fs, CacheConfig cacheConf, boolean canUseDropBehind,<a name="line.237"></a>
-<span class="sourceLineNo">238</span> long readahead, boolean
isPrimaryReplicaStoreFile, AtomicInteger refCount, boolean shared)<a
name="line.238"></a>
-<span class="sourceLineNo">239</span> throws IOException {<a
name="line.239"></a>
-<span class="sourceLineNo">240</span> FSDataInputStreamWrapper in;<a
name="line.240"></a>
-<span class="sourceLineNo">241</span> FileStatus status;<a
name="line.241"></a>
-<span class="sourceLineNo">242</span><a name="line.242"></a>
-<span class="sourceLineNo">243</span> final boolean doDropBehind =
canUseDropBehind && cacheConf.shouldDropBehindCompaction();<a
name="line.243"></a>
-<span class="sourceLineNo">244</span> if (this.link != null) {<a
name="line.244"></a>
-<span class="sourceLineNo">245</span> // HFileLink<a name="line.245"></a>
-<span class="sourceLineNo">246</span> in = new
FSDataInputStreamWrapper(fs, this.link, doDropBehind, readahead);<a
name="line.246"></a>
-<span class="sourceLineNo">247</span> status =
this.link.getFileStatus(fs);<a name="line.247"></a>
-<span class="sourceLineNo">248</span> } else if (this.reference != null)
{<a name="line.248"></a>
-<span class="sourceLineNo">249</span> // HFile Reference<a
name="line.249"></a>
-<span class="sourceLineNo">250</span> Path referencePath =
getReferredToFile(this.getPath());<a name="line.250"></a>
-<span class="sourceLineNo">251</span> in = new
FSDataInputStreamWrapper(fs, referencePath, doDropBehind, readahead);<a
name="line.251"></a>
-<span class="sourceLineNo">252</span> status =
fs.getFileStatus(referencePath);<a name="line.252"></a>
-<span class="sourceLineNo">253</span> } else {<a name="line.253"></a>
-<span class="sourceLineNo">254</span> in = new
FSDataInputStreamWrapper(fs, this.getPath(), doDropBehind, readahead);<a
name="line.254"></a>
-<span class="sourceLineNo">255</span> status =
fs.getFileStatus(initialPath);<a name="line.255"></a>
-<span class="sourceLineNo">256</span> }<a name="line.256"></a>
-<span class="sourceLineNo">257</span> long length = status.getLen();<a
name="line.257"></a>
-<span class="sourceLineNo">258</span> hdfsBlocksDistribution =
computeHDFSBlocksDistribution(fs);<a name="line.258"></a>
-<span class="sourceLineNo">259</span><a name="line.259"></a>
-<span class="sourceLineNo">260</span> StoreFileReader reader = null;<a
name="line.260"></a>
-<span class="sourceLineNo">261</span> if (this.coprocessorHost != null) {<a
name="line.261"></a>
-<span class="sourceLineNo">262</span> reader =
this.coprocessorHost.preStoreFileReaderOpen(fs, this.getPath(), in, length,<a
name="line.262"></a>
-<span class="sourceLineNo">263</span> cacheConf, reference);<a
name="line.263"></a>
-<span class="sourceLineNo">264</span> }<a name="line.264"></a>
-<span class="sourceLineNo">265</span> if (reader == null) {<a
name="line.265"></a>
-<span class="sourceLineNo">266</span> if (this.reference != null) {<a
name="line.266"></a>
-<span class="sourceLineNo">267</span> reader = new
HalfStoreFileReader(fs, this.getPath(), in, length, cacheConf, reference,<a
name="line.267"></a>
-<span class="sourceLineNo">268</span> isPrimaryReplicaStoreFile,
refCount, shared, conf);<a name="line.268"></a>
-<span class="sourceLineNo">269</span> } else {<a name="line.269"></a>
-<span class="sourceLineNo">270</span> reader = new StoreFileReader(fs,
status.getPath(), in, length, cacheConf,<a name="line.270"></a>
-<span class="sourceLineNo">271</span> isPrimaryReplicaStoreFile,
refCount, shared, conf);<a name="line.271"></a>
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-<span class="sourceLineNo">273</span> }<a name="line.273"></a>
-<span class="sourceLineNo">274</span> if (this.coprocessorHost != null) {<a
name="line.274"></a>
-<span class="sourceLineNo">275</span> reader =
this.coprocessorHost.postStoreFileReaderOpen(fs, this.getPath(), in, length,<a
name="line.275"></a>
-<span class="sourceLineNo">276</span> cacheConf, reference, reader);<a
name="line.276"></a>
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-<span class="sourceLineNo">280</span><a name="line.280"></a>
-<span class="sourceLineNo">281</span> /**<a name="line.281"></a>
-<span class="sourceLineNo">282</span> * Compute the HDFS Block Distribution
for this StoreFile<a name="line.282"></a>
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-<span class="sourceLineNo">284</span> public HDFSBlocksDistribution
computeHDFSBlocksDistribution(final FileSystem fs)<a name="line.284"></a>
-<span class="sourceLineNo">285</span> throws IOException {<a
name="line.285"></a>
-<span class="sourceLineNo">286</span> // guard against the case where we
get the FileStatus from link, but by the time we<a name="line.286"></a>
-<span class="sourceLineNo">287</span> // call compute the file is moved
again<a name="line.287"></a>
-<span class="sourceLineNo">288</span> if (this.link != null) {<a
name="line.288"></a>
-<span class="sourceLineNo">289</span> FileNotFoundException exToThrow =
null;<a name="line.289"></a>
-<span class="sourceLineNo">290</span> for (int i = 0; i <
this.link.getLocations().length; i++) {<a name="line.290"></a>
-<span class="sourceLineNo">291</span> try {<a name="line.291"></a>
-<span class="sourceLineNo">292</span> return
computeHDFSBlocksDistributionInternal(fs);<a name="line.292"></a>
-<span class="sourceLineNo">293</span> } catch (FileNotFoundException
ex) {<a name="line.293"></a>
-<span class="sourceLineNo">294</span> // try the other location<a
name="line.294"></a>
-<span class="sourceLineNo">295</span> exToThrow = ex;<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>
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name="line.298"></a>
-<span class="sourceLineNo">299</span> } else {<a name="line.299"></a>
-<span class="sourceLineNo">300</span> return
computeHDFSBlocksDistributionInternal(fs);<a name="line.300"></a>
-<span class="sourceLineNo">301</span> }<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> private HDFSBlocksDistribution
computeHDFSBlocksDistributionInternal(final FileSystem fs)<a
name="line.304"></a>
-<span class="sourceLineNo">305</span> throws IOException {<a
name="line.305"></a>
-<span class="sourceLineNo">306</span> FileStatus status =
getReferencedFileStatus(fs);<a name="line.306"></a>
-<span class="sourceLineNo">307</span> if (this.reference != null) {<a
name="line.307"></a>
-<span class="sourceLineNo">308</span> return
computeRefFileHDFSBlockDistribution(fs, reference, status);<a
name="line.308"></a>
-<span class="sourceLineNo">309</span> } else {<a name="line.309"></a>
-<span class="sourceLineNo">310</span> return
FSUtils.computeHDFSBlocksDistribution(fs, status, 0, status.getLen());<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> /**<a name="line.314"></a>
-<span class="sourceLineNo">315</span> * Get the {@link FileStatus} of the
file referenced by this StoreFileInfo<a name="line.315"></a>
-<span class="sourceLineNo">316</span> * @param fs The current file system to
use.<a name="line.316"></a>
-<span class="sourceLineNo">317</span> * @return The {@link FileStatus} of
the file referenced by this StoreFileInfo<a name="line.317"></a>
-<span class="sourceLineNo">318</span> */<a name="line.318"></a>
-<span class="sourceLineNo">319</span> public FileStatus
getReferencedFileStatus(final FileSystem fs) throws IOException {<a
name="line.319"></a>
-<span class="sourceLineNo">320</span> FileStatus status;<a
name="line.320"></a>
-<span class="sourceLineNo">321</span> if (this.reference != null) {<a
name="line.321"></a>
-<span class="sourceLineNo">322</span> if (this.link != null) {<a
name="line.322"></a>
-<span class="sourceLineNo">323</span> FileNotFoundException exToThrow =
null;<a name="line.323"></a>
-<span class="sourceLineNo">324</span> for (int i = 0; i <
this.link.getLocations().length; i++) {<a name="line.324"></a>
-<span class="sourceLineNo">325</span> // HFileLink Reference<a
name="line.325"></a>
-<span class="sourceLineNo">326</span> try {<a name="line.326"></a>
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nameStrippedOfSuffix);<a name="line.471"></a>
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nameStrippedOfSuffix);<a name="line.477"></a>
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Reference reference, final FileStatus status)<a name="line.528"></a>
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name="line.542"></a>
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name="line.544"></a>
+<span class="sourceLineNo">545</span> }<a name="line.545"></a>
+<span class="sourceLineNo">546</span><a name="line.546"></a>
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+<span class="sourceLineNo">548</span> public boolean equals(Object that) {<a
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contains the real data.<a name="line.582"></a>
+<span class="sourceLineNo">583</span> * <p><a name="line.583"></a>
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for linked hfile, we will return the name of the file being<a
name="line.585"></a>
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+<span class="sourceLineNo">587</span> */<a name="line.587"></a>
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name="line.588"></a>
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null) {<a name="line.589"></a>
+<span class="sourceLineNo">590</span> return initialPath.getName();<a
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HFileLink.getReferencedHFileName(initialPath.getName());<a name="line.592"></a>
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+<span class="sourceLineNo">594</span> }<a name="line.594"></a>
+<span class="sourceLineNo">595</span>}<a name="line.595"></a>
