You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@hbase.apache.org by mi...@apache.org on 2016/01/25 18:03:49 UTC
[05/51] [partial] hbase-site git commit: Published site at
a87d9560fcf4803bdd7a01b6e4ec21435d4e11b9.
http://git-wip-us.apache.org/repos/asf/hbase-site/blob/f8d6f420/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.LeaseRecovery.html
----------------------------------------------------------------------
diff --git a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.LeaseRecovery.html b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.LeaseRecovery.html
index fc06682..f81d2d3 100644
--- a/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.LeaseRecovery.html
+++ b/devapidocs/src-html/org/apache/hadoop/hbase/procedure2/store/wal/WALProcedureStore.LeaseRecovery.html
@@ -244,734 +244,730 @@
<span class="sourceLineNo">236</span> return storeTracker;<a name="line.236"></a>
<span class="sourceLineNo">237</span> }<a name="line.237"></a>
<span class="sourceLineNo">238</span><a name="line.238"></a>
-<span class="sourceLineNo">239</span> public LinkedList<ProcedureWALFile> getActiveLogs() {<a name="line.239"></a>
-<span class="sourceLineNo">240</span> return logs;<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 Set<ProcedureWALFile> getCorruptedLogs() {<a name="line.243"></a>
-<span class="sourceLineNo">244</span> return corruptedLogs;<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> @Override<a name="line.247"></a>
-<span class="sourceLineNo">248</span> public void recoverLease() throws IOException {<a name="line.248"></a>
-<span class="sourceLineNo">249</span> lock.lock();<a name="line.249"></a>
-<span class="sourceLineNo">250</span> try {<a name="line.250"></a>
-<span class="sourceLineNo">251</span> LOG.info("Starting WAL Procedure Store lease recovery");<a name="line.251"></a>
-<span class="sourceLineNo">252</span> FileStatus[] oldLogs = getLogFiles();<a name="line.252"></a>
-<span class="sourceLineNo">253</span> while (isRunning()) {<a name="line.253"></a>
-<span class="sourceLineNo">254</span> // Get Log-MaxID and recover lease on old logs<a name="line.254"></a>
-<span class="sourceLineNo">255</span> flushLogId = initOldLogs(oldLogs);<a name="line.255"></a>
-<span class="sourceLineNo">256</span><a name="line.256"></a>
-<span class="sourceLineNo">257</span> // Create new state-log<a name="line.257"></a>
-<span class="sourceLineNo">258</span> if (!rollWriter(flushLogId + 1)) {<a name="line.258"></a>
-<span class="sourceLineNo">259</span> // someone else has already created this log<a name="line.259"></a>
-<span class="sourceLineNo">260</span> LOG.debug("someone else has already created log " + flushLogId);<a name="line.260"></a>
-<span class="sourceLineNo">261</span> continue;<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> // We have the lease on the log<a name="line.264"></a>
-<span class="sourceLineNo">265</span> oldLogs = getLogFiles();<a name="line.265"></a>
-<span class="sourceLineNo">266</span> if (getMaxLogId(oldLogs) > flushLogId) {<a name="line.266"></a>
-<span class="sourceLineNo">267</span> if (LOG.isDebugEnabled()) {<a name="line.267"></a>
-<span class="sourceLineNo">268</span> LOG.debug("Someone else created new logs. Expected maxLogId < " + flushLogId);<a name="line.268"></a>
-<span class="sourceLineNo">269</span> }<a name="line.269"></a>
-<span class="sourceLineNo">270</span> logs.getLast().removeFile();<a name="line.270"></a>
-<span class="sourceLineNo">271</span> continue;<a name="line.271"></a>
-<span class="sourceLineNo">272</span> }<a name="line.272"></a>
-<span class="sourceLineNo">273</span><a name="line.273"></a>
-<span class="sourceLineNo">274</span> LOG.info("Lease acquired for flushLogId: " + flushLogId);<a name="line.274"></a>
-<span class="sourceLineNo">275</span> break;<a name="line.275"></a>
-<span class="sourceLineNo">276</span> }<a name="line.276"></a>
-<span class="sourceLineNo">277</span> } finally {<a name="line.277"></a>
-<span class="sourceLineNo">278</span> lock.unlock();<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><a name="line.281"></a>
-<span class="sourceLineNo">282</span> @Override<a name="line.282"></a>
-<span class="sourceLineNo">283</span> public void load(final ProcedureLoader loader) throws IOException {<a name="line.283"></a>
-<span class="sourceLineNo">284</span> if (logs.isEmpty()) {<a name="line.284"></a>
-<span class="sourceLineNo">285</span> throw new RuntimeException("recoverLease() must be called before loading data");<a name="line.285"></a>
-<span class="sourceLineNo">286</span> }<a name="line.286"></a>
-<span class="sourceLineNo">287</span><a name="line.287"></a>
-<span class="sourceLineNo">288</span> // Nothing to do, If we have only the current log.<a name="line.288"></a>
-<span class="sourceLineNo">289</span> if (logs.size() == 1) {<a name="line.289"></a>
-<span class="sourceLineNo">290</span> if (LOG.isDebugEnabled()) {<a name="line.290"></a>
-<span class="sourceLineNo">291</span> LOG.debug("No state logs to replay.");<a name="line.291"></a>
-<span class="sourceLineNo">292</span> }<a name="line.292"></a>
-<span class="sourceLineNo">293</span> loader.setMaxProcId(0);<a name="line.293"></a>
-<span class="sourceLineNo">294</span> loading.set(false);<a name="line.294"></a>
-<span class="sourceLineNo">295</span> return;<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> // Load the old logs<a name="line.298"></a>
-<span class="sourceLineNo">299</span> final ArrayList<ProcedureWALFile> toRemove = new ArrayList<ProcedureWALFile>();<a name="line.299"></a>
-<span class="sourceLineNo">300</span> Iterator<ProcedureWALFile> it = logs.descendingIterator();<a name="line.300"></a>
-<span class="sourceLineNo">301</span> it.next(); // Skip the current log<a name="line.301"></a>
-<span class="sourceLineNo">302</span> try {<a name="line.302"></a>
-<span class="sourceLineNo">303</span> ProcedureWALFormat.load(it, storeTracker, new ProcedureWALFormat.Loader() {<a name="line.303"></a>
-<span class="sourceLineNo">304</span> @Override<a name="line.304"></a>
-<span class="sourceLineNo">305</span> public void setMaxProcId(long maxProcId) {<a name="line.305"></a>
-<span class="sourceLineNo">306</span> loader.setMaxProcId(maxProcId);<a name="line.306"></a>
-<span class="sourceLineNo">307</span> }<a name="line.307"></a>
-<span class="sourceLineNo">308</span><a name="line.308"></a>
-<span class="sourceLineNo">309</span> @Override<a name="line.309"></a>
-<span class="sourceLineNo">310</span> public void load(ProcedureIterator procIter) throws IOException {<a name="line.310"></a>
-<span class="sourceLineNo">311</span> loader.load(procIter);<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> @Override<a name="line.314"></a>
-<span class="sourceLineNo">315</span> public void handleCorrupted(ProcedureIterator procIter) throws IOException {<a name="line.315"></a>
-<span class="sourceLineNo">316</span> loader.handleCorrupted(procIter);<a name="line.316"></a>
-<span class="sourceLineNo">317</span> }<a name="line.317"></a>
-<span class="sourceLineNo">318</span><a name="line.318"></a>
-<span class="sourceLineNo">319</span> @Override<a name="line.319"></a>
-<span class="sourceLineNo">320</span> public void removeLog(ProcedureWALFile log) {<a name="line.320"></a>
-<span class="sourceLineNo">321</span> toRemove.add(log);<a name="line.321"></a>
-<span class="sourceLineNo">322</span> }<a name="line.322"></a>
-<span class="sourceLineNo">323</span><a name="line.323"></a>
-<span class="sourceLineNo">324</span> @Override<a name="line.324"></a>
-<span class="sourceLineNo">325</span> public void markCorruptedWAL(ProcedureWALFile log, IOException e) {<a name="line.325"></a>
-<span class="sourceLineNo">326</span> if (corruptedLogs == null) {<a name="line.326"></a>
-<span class="sourceLineNo">327</span> corruptedLogs = new HashSet<ProcedureWALFile>();<a name="line.327"></a>
-<span class="sourceLineNo">328</span> }<a name="line.328"></a>
-<span class="sourceLineNo">329</span> corruptedLogs.add(log);<a name="line.329"></a>
-<span class="sourceLineNo">330</span> // TODO: sideline corrupted log<a name="line.330"></a>
-<span class="sourceLineNo">331</span> }<a name="line.331"></a>
-<span class="sourceLineNo">332</span> });<a name="line.332"></a>
-<span class="sourceLineNo">333</span> } finally {<a name="line.333"></a>
-<span class="sourceLineNo">334</span> if (!toRemove.isEmpty()) {<a name="line.334"></a>
-<span class="sourceLineNo">335</span> for (ProcedureWALFile log: toRemove) {<a name="line.335"></a>
-<span class="sourceLineNo">336</span> removeLogFile(log);<a name="line.336"></a>
-<span class="sourceLineNo">337</span> }<a name="line.337"></a>
-<span class="sourceLineNo">338</span> }<a name="line.338"></a>
-<span class="sourceLineNo">339</span> loading.set(false);<a name="line.339"></a>
-<span class="sourceLineNo">340</span> }<a name="line.340"></a>
-<span class="sourceLineNo">341</span> }<a name="line.341"></a>
+<span class="sourceLineNo">239</span> public ArrayList<ProcedureWALFile> getActiveLogs() {<a name="line.239"></a>
+<span class="sourceLineNo">240</span> lock.lock();<a name="line.240"></a>
+<span class="sourceLineNo">241</span> try {<a name="line.241"></a>
+<span class="sourceLineNo">242</span> return new ArrayList<ProcedureWALFile>(logs);<a name="line.242"></a>
+<span class="sourceLineNo">243</span> } finally {<a name="line.243"></a>
+<span class="sourceLineNo">244</span> lock.unlock();<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><a name="line.247"></a>
+<span class="sourceLineNo">248</span> public Set<ProcedureWALFile> getCorruptedLogs() {<a name="line.248"></a>
+<span class="sourceLineNo">249</span> return corruptedLogs;<a name="line.249"></a>
+<span class="sourceLineNo">250</span> }<a name="line.250"></a>
+<span class="sourceLineNo">251</span><a name="line.251"></a>
+<span class="sourceLineNo">252</span> @Override<a name="line.252"></a>
+<span class="sourceLineNo">253</span> public void recoverLease() throws IOException {<a name="line.253"></a>
+<span class="sourceLineNo">254</span> lock.lock();<a name="line.254"></a>
+<span class="sourceLineNo">255</span> try {<a name="line.255"></a>
+<span class="sourceLineNo">256</span> LOG.info("Starting WAL Procedure Store lease recovery");<a name="line.256"></a>
+<span class="sourceLineNo">257</span> FileStatus[] oldLogs = getLogFiles();<a name="line.257"></a>
+<span class="sourceLineNo">258</span> while (isRunning()) {<a name="line.258"></a>
+<span class="sourceLineNo">259</span> // Get Log-MaxID and recover lease on old logs<a name="line.259"></a>
+<span class="sourceLineNo">260</span> flushLogId = initOldLogs(oldLogs);<a name="line.260"></a>
+<span class="sourceLineNo">261</span><a name="line.261"></a>
+<span class="sourceLineNo">262</span> // Create new state-log<a name="line.262"></a>
+<span class="sourceLineNo">263</span> if (!rollWriter(flushLogId + 1)) {<a name="line.263"></a>
+<span class="sourceLineNo">264</span> // someone else has already created this log<a name="line.264"></a>
+<span class="sourceLineNo">265</span> LOG.debug("someone else has already created log " + flushLogId);<a name="line.265"></a>
+<span class="sourceLineNo">266</span> continue;<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> // We have the lease on the log<a name="line.269"></a>
+<span class="sourceLineNo">270</span> oldLogs = getLogFiles();<a name="line.270"></a>
+<span class="sourceLineNo">271</span> if (getMaxLogId(oldLogs) > flushLogId) {<a name="line.271"></a>
+<span class="sourceLineNo">272</span> if (LOG.isDebugEnabled()) {<a name="line.272"></a>
+<span class="sourceLineNo">273</span> LOG.debug("Someone else created new logs. Expected maxLogId < " + flushLogId);<a name="line.273"></a>
+<span class="sourceLineNo">274</span> }<a name="line.274"></a>
+<span class="sourceLineNo">275</span> logs.getLast().removeFile();<a name="line.275"></a>
+<span class="sourceLineNo">276</span> continue;<a name="line.276"></a>
+<span class="sourceLineNo">277</span> }<a name="line.277"></a>
+<span class="sourceLineNo">278</span><a name="line.278"></a>
+<span class="sourceLineNo">279</span> LOG.info("Lease acquired for flushLogId: " + flushLogId);<a name="line.279"></a>
+<span class="sourceLineNo">280</span> break;<a name="line.280"></a>
+<span class="sourceLineNo">281</span> }<a name="line.281"></a>
+<span class="sourceLineNo">282</span> } finally {<a name="line.282"></a>
+<span class="sourceLineNo">283</span> lock.unlock();<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><a name="line.286"></a>
+<span class="sourceLineNo">287</span> @Override<a name="line.287"></a>
+<span class="sourceLineNo">288</span> public void load(final ProcedureLoader loader) throws IOException {<a name="line.288"></a>
+<span class="sourceLineNo">289</span> if (logs.isEmpty()) {<a name="line.289"></a>
+<span class="sourceLineNo">290</span> throw new RuntimeException("recoverLease() must be called before loading data");<a name="line.290"></a>
+<span class="sourceLineNo">291</span> }<a name="line.291"></a>
+<span class="sourceLineNo">292</span><a name="line.292"></a>
+<span class="sourceLineNo">293</span> // Nothing to do, If we have only the current log.<a name="line.293"></a>
+<span class="sourceLineNo">294</span> if (logs.size() == 1) {<a name="line.294"></a>
+<span class="sourceLineNo">295</span> if (LOG.isDebugEnabled()) {<a name="line.295"></a>
+<span class="sourceLineNo">296</span> LOG.debug("No state logs to replay.");<a name="line.296"></a>
+<span class="sourceLineNo">297</span> }<a name="line.297"></a>
+<span class="sourceLineNo">298</span> loader.setMaxProcId(0);<a name="line.298"></a>
+<span class="sourceLineNo">299</span> loading.set(false);<a name="line.299"></a>
+<span class="sourceLineNo">300</span> return;<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> // Load the old logs<a name="line.303"></a>
+<span class="sourceLineNo">304</span> Iterator<ProcedureWALFile> it = logs.descendingIterator();<a name="line.304"></a>
+<span class="sourceLineNo">305</span> it.next(); // Skip the current log<a name="line.305"></a>
+<span class="sourceLineNo">306</span> try {<a name="line.306"></a>
+<span class="sourceLineNo">307</span> ProcedureWALFormat.load(it, storeTracker, new ProcedureWALFormat.Loader() {<a name="line.307"></a>
+<span class="sourceLineNo">308</span> @Override<a name="line.308"></a>
+<span class="sourceLineNo">309</span> public void setMaxProcId(long maxProcId) {<a name="line.309"></a>
+<span class="sourceLineNo">310</span> loader.setMaxProcId(maxProcId);<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> @Override<a name="line.313"></a>
+<span class="sourceLineNo">314</span> public void load(ProcedureIterator procIter) throws IOException {<a name="line.314"></a>
+<span class="sourceLineNo">315</span> loader.load(procIter);<a name="line.315"></a>
+<span class="sourceLineNo">316</span> }<a name="line.316"></a>
+<span class="sourceLineNo">317</span><a name="line.317"></a>
+<span class="sourceLineNo">318</span> @Override<a name="line.318"></a>
+<span class="sourceLineNo">319</span> public void handleCorrupted(ProcedureIterator procIter) throws IOException {<a name="line.319"></a>
+<span class="sourceLineNo">320</span> loader.handleCorrupted(procIter);<a name="line.320"></a>
+<span class="sourceLineNo">321</span> }<a name="line.321"></a>
+<span class="sourceLineNo">322</span><a name="line.322"></a>
+<span class="sourceLineNo">323</span> @Override<a name="line.323"></a>
+<span class="sourceLineNo">324</span> public void markCorruptedWAL(ProcedureWALFile log, IOException e) {<a name="line.324"></a>
+<span class="sourceLineNo">325</span> if (corruptedLogs == null) {<a name="line.325"></a>
+<span class="sourceLineNo">326</span> corruptedLogs = new HashSet<ProcedureWALFile>();<a name="line.326"></a>
+<span class="sourceLineNo">327</span> }<a name="line.327"></a>
+<span class="sourceLineNo">328</span> corruptedLogs.add(log);<a name="line.328"></a>
+<span class="sourceLineNo">329</span> // TODO: sideline corrupted log<a name="line.329"></a>
+<span class="sourceLineNo">330</span> }<a name="line.330"></a>
+<span class="sourceLineNo">331</span> });<a name="line.331"></a>
+<span class="sourceLineNo">332</span> } finally {<a name="line.332"></a>
+<span class="sourceLineNo">333</span> loading.set(false);<a name="line.333"></a>
+<span class="sourceLineNo">334</span> }<a name="line.334"></a>
+<span class="sourceLineNo">335</span> }<a name="line.335"></a>
+<span class="sourceLineNo">336</span><a name="line.336"></a>
+<span class="sourceLineNo">337</span> @Override<a name="line.337"></a>
+<span class="sourceLineNo">338</span> public void insert(final Procedure proc, final Procedure[] subprocs) {<a name="line.338"></a>
+<span class="sourceLineNo">339</span> if (LOG.isTraceEnabled()) {<a name="line.339"></a>
+<span class="sourceLineNo">340</span> LOG.trace("Insert " + proc + ", subproc=" + Arrays.toString(subprocs));<a name="line.340"></a>
+<span class="sourceLineNo">341</span> }<a name="line.341"></a>
<span class="sourceLineNo">342</span><a name="line.342"></a>
-<span class="sourceLineNo">343</span> @Override<a name="line.343"></a>
-<span class="sourceLineNo">344</span> public void insert(final Procedure proc, final Procedure[] subprocs) {<a name="line.344"></a>
-<span class="sourceLineNo">345</span> if (LOG.isTraceEnabled()) {<a name="line.345"></a>
-<span class="sourceLineNo">346</span> LOG.trace("Insert " + proc + ", subproc=" + Arrays.toString(subprocs));<a name="line.346"></a>
-<span class="sourceLineNo">347</span> }<a name="line.347"></a>
-<span class="sourceLineNo">348</span><a name="line.348"></a>
-<span class="sourceLineNo">349</span> ByteSlot slot = acquireSlot();<a name="line.349"></a>
-<span class="sourceLineNo">350</span> try {<a name="line.350"></a>
-<span class="sourceLineNo">351</span> // Serialize the insert<a name="line.351"></a>
-<span class="sourceLineNo">352</span> long[] subProcIds = null;<a name="line.352"></a>
-<span class="sourceLineNo">353</span> if (subprocs != null) {<a name="line.353"></a>
-<span class="sourceLineNo">354</span> ProcedureWALFormat.writeInsert(slot, proc, subprocs);<a name="line.354"></a>
-<span class="sourceLineNo">355</span> subProcIds = new long[subprocs.length];<a name="line.355"></a>
-<span class="sourceLineNo">356</span> for (int i = 0; i < subprocs.length; ++i) {<a name="line.356"></a>
-<span class="sourceLineNo">357</span> subProcIds[i] = subprocs[i].getProcId();<a name="line.357"></a>
-<span class="sourceLineNo">358</span> }<a name="line.358"></a>
-<span class="sourceLineNo">359</span> } else {<a name="line.359"></a>
-<span class="sourceLineNo">360</span> assert !proc.hasParent();<a name="line.360"></a>
-<span class="sourceLineNo">361</span> ProcedureWALFormat.writeInsert(slot, proc);<a name="line.361"></a>
-<span class="sourceLineNo">362</span> }<a name="line.362"></a>
-<span class="sourceLineNo">363</span><a name="line.363"></a>
-<span class="sourceLineNo">364</span> // Push the transaction data and wait until it is persisted<a name="line.364"></a>
-<span class="sourceLineNo">365</span> pushData(PushType.INSERT, slot, proc.getProcId(), subProcIds);<a name="line.365"></a>
-<span class="sourceLineNo">366</span> } catch (IOException e) {<a name="line.366"></a>
-<span class="sourceLineNo">367</span> // We are not able to serialize the procedure.<a name="line.367"></a>
-<span class="sourceLineNo">368</span> // this is a code error, and we are not able to go on.<a name="line.368"></a>
-<span class="sourceLineNo">369</span> LOG.fatal("Unable to serialize one of the procedure: proc=" + proc +<a name="line.369"></a>
-<span class="sourceLineNo">370</span> ", subprocs=" + Arrays.toString(subprocs), e);<a name="line.370"></a>
-<span class="sourceLineNo">371</span> throw new RuntimeException(e);<a name="line.371"></a>
-<span class="sourceLineNo">372</span> } finally {<a name="line.372"></a>
-<span class="sourceLineNo">373</span> releaseSlot(slot);<a name="line.373"></a>
-<span class="sourceLineNo">374</span> }<a name="line.374"></a>
-<span class="sourceLineNo">375</span> }<a name="line.375"></a>
+<span class="sourceLineNo">343</span> ByteSlot slot = acquireSlot();<a name="line.343"></a>
+<span class="sourceLineNo">344</span> try {<a name="line.344"></a>
+<span class="sourceLineNo">345</span> // Serialize the insert<a name="line.345"></a>
+<span class="sourceLineNo">346</span> long[] subProcIds = null;<a name="line.346"></a>
+<span class="sourceLineNo">347</span> if (subprocs != null) {<a name="line.347"></a>
+<span class="sourceLineNo">348</span> ProcedureWALFormat.writeInsert(slot, proc, subprocs);<a name="line.348"></a>
+<span class="sourceLineNo">349</span> subProcIds = new long[subprocs.length];<a name="line.349"></a>
+<span class="sourceLineNo">350</span> for (int i = 0; i < subprocs.length; ++i) {<a name="line.350"></a>
+<span class="sourceLineNo">351</span> subProcIds[i] = subprocs[i].getProcId();<a name="line.351"></a>
+<span class="sourceLineNo">352</span> }<a name="line.352"></a>
+<span class="sourceLineNo">353</span> } else {<a name="line.353"></a>
+<span class="sourceLineNo">354</span> assert !proc.hasParent();<a name="line.354"></a>
+<span class="sourceLineNo">355</span> ProcedureWALFormat.writeInsert(slot, proc);<a name="line.355"></a>
+<span class="sourceLineNo">356</span> }<a name="line.356"></a>
+<span class="sourceLineNo">357</span><a name="line.357"></a>
+<span class="sourceLineNo">358</span> // Push the transaction data and wait until it is persisted<a name="line.358"></a>
+<span class="sourceLineNo">359</span> pushData(PushType.INSERT, slot, proc.getProcId(), subProcIds);<a name="line.359"></a>
+<span class="sourceLineNo">360</span> } catch (IOException e) {<a name="line.360"></a>
+<span class="sourceLineNo">361</span> // We are not able to serialize the procedure.<a name="line.361"></a>
+<span class="sourceLineNo">362</span> // this is a code error, and we are not able to go on.<a name="line.362"></a>
+<span class="sourceLineNo">363</span> LOG.fatal("Unable to serialize one of the procedure: proc=" + proc +<a name="line.363"></a>
+<span class="sourceLineNo">364</span> ", subprocs=" + Arrays.toString(subprocs), e);<a name="line.364"></a>
+<span class="sourceLineNo">365</span> throw new RuntimeException(e);<a name="line.365"></a>
+<span class="sourceLineNo">366</span> } finally {<a name="line.366"></a>
+<span class="sourceLineNo">367</span> releaseSlot(slot);<a name="line.367"></a>
+<span class="sourceLineNo">368</span> }<a name="line.368"></a>
+<span class="sourceLineNo">369</span> }<a name="line.369"></a>
+<span class="sourceLineNo">370</span><a name="line.370"></a>
+<span class="sourceLineNo">371</span> @Override<a name="line.371"></a>
+<span class="sourceLineNo">372</span> public void update(final Procedure proc) {<a name="line.372"></a>
+<span class="sourceLineNo">373</span> if (LOG.isTraceEnabled()) {<a name="line.373"></a>
+<span class="sourceLineNo">374</span> LOG.trace("Update " + proc);<a name="line.374"></a>
+<span class="sourceLineNo">375</span> }<a name="line.375"></a>
<span class="sourceLineNo">376</span><a name="line.376"></a>
-<span class="sourceLineNo">377</span> @Override<a name="line.377"></a>
-<span class="sourceLineNo">378</span> public void update(final Procedure proc) {<a name="line.378"></a>
-<span class="sourceLineNo">379</span> if (LOG.isTraceEnabled()) {<a name="line.379"></a>
-<span class="sourceLineNo">380</span> LOG.trace("Update " + proc);<a name="line.380"></a>
-<span class="sourceLineNo">381</span> }<a name="line.381"></a>
-<span class="sourceLineNo">382</span><a name="line.382"></a>
-<span class="sourceLineNo">383</span> ByteSlot slot = acquireSlot();<a name="line.383"></a>
-<span class="sourceLineNo">384</span> try {<a name="line.384"></a>
-<span class="sourceLineNo">385</span> // Serialize the update<a name="line.385"></a>
-<span class="sourceLineNo">386</span> ProcedureWALFormat.writeUpdate(slot, proc);<a name="line.386"></a>
-<span class="sourceLineNo">387</span><a name="line.387"></a>
-<span class="sourceLineNo">388</span> // Push the transaction data and wait until it is persisted<a name="line.388"></a>
-<span class="sourceLineNo">389</span> pushData(PushType.UPDATE, slot, proc.getProcId(), null);<a name="line.389"></a>
-<span class="sourceLineNo">390</span> } catch (IOException e) {<a name="line.390"></a>
-<span class="sourceLineNo">391</span> // We are not able to serialize the procedure.<a name="line.391"></a>
-<span class="sourceLineNo">392</span> // this is a code error, and we are not able to go on.<a name="line.392"></a>
-<span class="sourceLineNo">393</span> LOG.fatal("Unable to serialize the procedure: " + proc, e);<a name="line.393"></a>
-<span class="sourceLineNo">394</span> throw new RuntimeException(e);<a name="line.394"></a>
-<span class="sourceLineNo">395</span> } finally {<a name="line.395"></a>
-<span class="sourceLineNo">396</span> releaseSlot(slot);<a name="line.396"></a>
-<span class="sourceLineNo">397</span> }<a name="line.397"></a>
-<span class="sourceLineNo">398</span> }<a name="line.398"></a>
+<span class="sourceLineNo">377</span> ByteSlot slot = acquireSlot();<a name="line.377"></a>
+<span class="sourceLineNo">378</span> try {<a name="line.378"></a>
+<span class="sourceLineNo">379</span> // Serialize the update<a name="line.379"></a>
+<span class="sourceLineNo">380</span> ProcedureWALFormat.writeUpdate(slot, proc);<a name="line.380"></a>
+<span class="sourceLineNo">381</span><a name="line.381"></a>
+<span class="sourceLineNo">382</span> // Push the transaction data and wait until it is persisted<a name="line.382"></a>
+<span class="sourceLineNo">383</span> pushData(PushType.UPDATE, slot, proc.getProcId(), null);<a name="line.383"></a>
+<span class="sourceLineNo">384</span> } catch (IOException e) {<a name="line.384"></a>
+<span class="sourceLineNo">385</span> // We are not able to serialize the procedure.<a name="line.385"></a>
+<span class="sourceLineNo">386</span> // this is a code error, and we are not able to go on.<a name="line.386"></a>
+<span class="sourceLineNo">387</span> LOG.fatal("Unable to serialize the procedure: " + proc, e);<a name="line.387"></a>
+<span class="sourceLineNo">388</span> throw new RuntimeException(e);<a name="line.388"></a>
+<span class="sourceLineNo">389</span> } finally {<a name="line.389"></a>
+<span class="sourceLineNo">390</span> releaseSlot(slot);<a name="line.390"></a>
+<span class="sourceLineNo">391</span> }<a name="line.391"></a>
+<span class="sourceLineNo">392</span> }<a name="line.392"></a>
+<span class="sourceLineNo">393</span><a name="line.393"></a>
+<span class="sourceLineNo">394</span> @Override<a name="line.394"></a>
+<span class="sourceLineNo">395</span> public void delete(final long procId) {<a name="line.395"></a>
+<span class="sourceLineNo">396</span> if (LOG.isTraceEnabled()) {<a name="line.396"></a>
+<span class="sourceLineNo">397</span> LOG.trace("Delete " + procId);<a name="line.397"></a>
+<span class="sourceLineNo">398</span> }<a name="line.398"></a>
<span class="sourceLineNo">399</span><a name="line.399"></a>
-<span class="sourceLineNo">400</span> @Override<a name="line.400"></a>
-<span class="sourceLineNo">401</span> public void delete(final long procId) {<a name="line.401"></a>
-<span class="sourceLineNo">402</span> if (LOG.isTraceEnabled()) {<a name="line.402"></a>
-<span class="sourceLineNo">403</span> LOG.trace("Delete " + procId);<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> ByteSlot slot = acquireSlot();<a name="line.406"></a>
-<span class="sourceLineNo">407</span> try {<a name="line.407"></a>
-<span class="sourceLineNo">408</span> // Serialize the delete<a name="line.408"></a>
-<span class="sourceLineNo">409</span> ProcedureWALFormat.writeDelete(slot, procId);<a name="line.409"></a>
-<span class="sourceLineNo">410</span><a name="line.410"></a>
-<span class="sourceLineNo">411</span> // Push the transaction data and wait until it is persisted<a name="line.411"></a>
-<span class="sourceLineNo">412</span> pushData(PushType.DELETE, slot, procId, null);<a name="line.412"></a>
-<span class="sourceLineNo">413</span> } catch (IOException e) {<a name="line.413"></a>
-<span class="sourceLineNo">414</span> // We are not able to serialize the procedure.<a name="line.414"></a>
-<span class="sourceLineNo">415</span> // this is a code error, and we are not able to go on.<a name="line.415"></a>
-<span class="sourceLineNo">416</span> LOG.fatal("Unable to serialize the procedure: " + procId, e);<a name="line.416"></a>
-<span class="sourceLineNo">417</span> throw new RuntimeException(e);<a name="line.417"></a>
-<span class="sourceLineNo">418</span> } finally {<a name="line.418"></a>
-<span class="sourceLineNo">419</span> releaseSlot(slot);<a name="line.419"></a>
-<span class="sourceLineNo">420</span> }<a name="line.420"></a>
-<span class="sourceLineNo">421</span> }<a name="line.421"></a>
-<span class="sourceLineNo">422</span><a name="line.422"></a>
-<span class="sourceLineNo">423</span> private ByteSlot acquireSlot() {<a name="line.423"></a>
-<span class="sourceLineNo">424</span> ByteSlot slot = slotsCache.poll();<a name="line.424"></a>
-<span class="sourceLineNo">425</span> return slot != null ? slot : new ByteSlot();<a name="line.425"></a>
-<span class="sourceLineNo">426</span> }<a name="line.426"></a>
-<span class="sourceLineNo">427</span><a name="line.427"></a>
-<span class="sourceLineNo">428</span> private void releaseSlot(final ByteSlot slot) {<a name="line.428"></a>
-<span class="sourceLineNo">429</span> slot.reset();<a name="line.429"></a>
-<span class="sourceLineNo">430</span> slotsCache.offer(slot);<a name="line.430"></a>
-<span class="sourceLineNo">431</span> }<a name="line.431"></a>
-<span class="sourceLineNo">432</span><a name="line.432"></a>
-<span class="sourceLineNo">433</span> private enum PushType { INSERT, UPDATE, DELETE };<a name="line.433"></a>
-<span class="sourceLineNo">434</span><a name="line.434"></a>
-<span class="sourceLineNo">435</span> private long pushData(final PushType type, final ByteSlot slot,<a name="line.435"></a>
-<span class="sourceLineNo">436</span> final long procId, final long[] subProcIds) {<a name="line.436"></a>
-<span class="sourceLineNo">437</span> if (!isRunning()) {<a name="line.437"></a>
-<span class="sourceLineNo">438</span> throw new RuntimeException("the store must be running before inserting data");<a name="line.438"></a>
-<span class="sourceLineNo">439</span> }<a name="line.439"></a>
-<span class="sourceLineNo">440</span> if (logs.isEmpty()) {<a name="line.440"></a>
-<span class="sourceLineNo">441</span> throw new RuntimeException("recoverLease() must be called before inserting data");<a name="line.441"></a>
-<span class="sourceLineNo">442</span> }<a name="line.442"></a>
-<span class="sourceLineNo">443</span><a name="line.443"></a>
-<span class="sourceLineNo">444</span> long logId = -1;<a name="line.444"></a>
-<span class="sourceLineNo">445</span> lock.lock();<a name="line.445"></a>
-<span class="sourceLineNo">446</span> try {<a name="line.446"></a>
-<span class="sourceLineNo">447</span> // Wait for the sync to be completed<a name="line.447"></a>
-<span class="sourceLineNo">448</span> while (true) {<a name="line.448"></a>
-<span class="sourceLineNo">449</span> if (!isRunning()) {<a name="line.449"></a>
-<span class="sourceLineNo">450</span> throw new RuntimeException("store no longer running");<a name="line.450"></a>
-<span class="sourceLineNo">451</span> } else if (isSyncAborted()) {<a name="line.451"></a>
-<span class="sourceLineNo">452</span> throw new RuntimeException("sync aborted", syncException.get());<a name="line.452"></a>
-<span class="sourceLineNo">453</span> } else if (inSync.get()) {<a name="line.453"></a>
-<span class="sourceLineNo">454</span> syncCond.await();<a name="line.454"></a>
-<span class="sourceLineNo">455</span> } else if (slotIndex == slots.length) {<a name="line.455"></a>
-<span class="sourceLineNo">456</span> slotCond.signal();<a name="line.456"></a>
-<span class="sourceLineNo">457</span> syncCond.await();<a name="line.457"></a>
-<span class="sourceLineNo">458</span> } else {<a name="line.458"></a>
-<span class="sourceLineNo">459</span> break;<a name="line.459"></a>
-<span class="sourceLineNo">460</span> }<a name="line.460"></a>
-<span class="sourceLineNo">461</span> }<a name="line.461"></a>
-<span class="sourceLineNo">462</span><a name="line.462"></a>
-<span class="sourceLineNo">463</span> updateStoreTracker(type, procId, subProcIds);<a name="line.463"></a>
-<span class="sourceLineNo">464</span> slots[slotIndex++] = slot;<a name="line.464"></a>
-<span class="sourceLineNo">465</span> logId = flushLogId;<a name="line.465"></a>
-<span class="sourceLineNo">466</span><a name="line.466"></a>
-<span class="sourceLineNo">467</span> // Notify that there is new data<a name="line.467"></a>
-<span class="sourceLineNo">468</span> if (slotIndex == 1) {<a name="line.468"></a>
-<span class="sourceLineNo">469</span> waitCond.signal();<a name="line.469"></a>
+<span class="sourceLineNo">400</span> ByteSlot slot = acquireSlot();<a name="line.400"></a>
+<span class="sourceLineNo">401</span> try {<a name="line.401"></a>
+<span class="sourceLineNo">402</span> // Serialize the delete<a name="line.402"></a>
+<span class="sourceLineNo">403</span> ProcedureWALFormat.writeDelete(slot, procId);<a name="line.403"></a>
+<span class="sourceLineNo">404</span><a name="line.404"></a>
+<span class="sourceLineNo">405</span> // Push the transaction data and wait until it is persisted<a name="line.405"></a>
+<span class="sourceLineNo">406</span> pushData(PushType.DELETE, slot, procId, null);<a name="line.406"></a>
+<span class="sourceLineNo">407</span> } catch (IOException e) {<a name="line.407"></a>
+<span class="sourceLineNo">408</span> // We are not able to serialize the procedure.<a name="line.408"></a>
+<span class="sourceLineNo">409</span> // this is a code error, and we are not able to go on.<a name="line.409"></a>
+<span class="sourceLineNo">410</span> LOG.fatal("Unable to serialize the procedure: " + procId, e);<a name="line.410"></a>
+<span class="sourceLineNo">411</span> throw new RuntimeException(e);<a name="line.411"></a>
+<span class="sourceLineNo">412</span> } finally {<a name="line.412"></a>
+<span class="sourceLineNo">413</span> releaseSlot(slot);<a name="line.413"></a>
+<span class="sourceLineNo">414</span> }<a name="line.414"></a>
+<span class="sourceLineNo">415</span> }<a name="line.415"></a>
+<span class="sourceLineNo">416</span><a name="line.416"></a>
+<span class="sourceLineNo">417</span> private ByteSlot acquireSlot() {<a name="line.417"></a>
+<span class="sourceLineNo">418</span> ByteSlot slot = slotsCache.poll();<a name="line.418"></a>
+<span class="sourceLineNo">419</span> return slot != null ? slot : new ByteSlot();<a name="line.419"></a>
+<span class="sourceLineNo">420</span> }<a name="line.420"></a>
+<span class="sourceLineNo">421</span><a name="line.421"></a>
+<span class="sourceLineNo">422</span> private void releaseSlot(final ByteSlot slot) {<a name="line.422"></a>
+<span class="sourceLineNo">423</span> slot.reset();<a name="line.423"></a>
+<span class="sourceLineNo">424</span> slotsCache.offer(slot);<a name="line.424"></a>
+<span class="sourceLineNo">425</span> }<a name="line.425"></a>
+<span class="sourceLineNo">426</span><a name="line.426"></a>
+<span class="sourceLineNo">427</span> private enum PushType { INSERT, UPDATE, DELETE };<a name="line.427"></a>
+<span class="sourceLineNo">428</span><a name="line.428"></a>
+<span class="sourceLineNo">429</span> private long pushData(final PushType type, final ByteSlot slot,<a name="line.429"></a>
+<span class="sourceLineNo">430</span> final long procId, final long[] subProcIds) {<a name="line.430"></a>
+<span class="sourceLineNo">431</span> if (!isRunning()) {<a name="line.431"></a>
+<span class="sourceLineNo">432</span> throw new RuntimeException("the store must be running before inserting data");<a name="line.432"></a>
+<span class="sourceLineNo">433</span> }<a name="line.433"></a>
+<span class="sourceLineNo">434</span> if (logs.isEmpty()) {<a name="line.434"></a>
+<span class="sourceLineNo">435</span> throw new RuntimeException("recoverLease() must be called before inserting data");<a name="line.435"></a>
+<span class="sourceLineNo">436</span> }<a name="line.436"></a>
+<span class="sourceLineNo">437</span><a name="line.437"></a>
+<span class="sourceLineNo">438</span> long logId = -1;<a name="line.438"></a>
+<span class="sourceLineNo">439</span> lock.lock();<a name="line.439"></a>
+<span class="sourceLineNo">440</span> try {<a name="line.440"></a>
+<span class="sourceLineNo">441</span> // Wait for the sync to be completed<a name="line.441"></a>
+<span class="sourceLineNo">442</span> while (true) {<a name="line.442"></a>
+<span class="sourceLineNo">443</span> if (!isRunning()) {<a name="line.443"></a>
+<span class="sourceLineNo">444</span> throw new RuntimeException("store no longer running");<a name="line.444"></a>
+<span class="sourceLineNo">445</span> } else if (isSyncAborted()) {<a name="line.445"></a>
+<span class="sourceLineNo">446</span> throw new RuntimeException("sync aborted", syncException.get());<a name="line.446"></a>
+<span class="sourceLineNo">447</span> } else if (inSync.get()) {<a name="line.447"></a>
+<span class="sourceLineNo">448</span> syncCond.await();<a name="line.448"></a>
+<span class="sourceLineNo">449</span> } else if (slotIndex == slots.length) {<a name="line.449"></a>
+<span class="sourceLineNo">450</span> slotCond.signal();<a name="line.450"></a>
+<span class="sourceLineNo">451</span> syncCond.await();<a name="line.451"></a>
+<span class="sourceLineNo">452</span> } else {<a name="line.452"></a>
+<span class="sourceLineNo">453</span> break;<a name="line.453"></a>
+<span class="sourceLineNo">454</span> }<a name="line.454"></a>
+<span class="sourceLineNo">455</span> }<a name="line.455"></a>
+<span class="sourceLineNo">456</span><a name="line.456"></a>
+<span class="sourceLineNo">457</span> updateStoreTracker(type, procId, subProcIds);<a name="line.457"></a>
+<span class="sourceLineNo">458</span> slots[slotIndex++] = slot;<a name="line.458"></a>
+<span class="sourceLineNo">459</span> logId = flushLogId;<a name="line.459"></a>
+<span class="sourceLineNo">460</span><a name="line.460"></a>
+<span class="sourceLineNo">461</span> // Notify that there is new data<a name="line.461"></a>
+<span class="sourceLineNo">462</span> if (slotIndex == 1) {<a name="line.462"></a>
+<span class="sourceLineNo">463</span> waitCond.signal();<a name="line.463"></a>
+<span class="sourceLineNo">464</span> }<a name="line.464"></a>
+<span class="sourceLineNo">465</span><a name="line.465"></a>
+<span class="sourceLineNo">466</span> // Notify that the slots are full<a name="line.466"></a>
+<span class="sourceLineNo">467</span> if (slotIndex == slots.length) {<a name="line.467"></a>
+<span class="sourceLineNo">468</span> waitCond.signal();<a name="line.468"></a>
+<span class="sourceLineNo">469</span> slotCond.signal();<a name="line.469"></a>
<span class="sourceLineNo">470</span> }<a name="line.470"></a>
<span class="sourceLineNo">471</span><a name="line.471"></a>
-<span class="sourceLineNo">472</span> // Notify that the slots are full<a name="line.472"></a>
-<span class="sourceLineNo">473</span> if (slotIndex == slots.length) {<a name="line.473"></a>
-<span class="sourceLineNo">474</span> waitCond.signal();<a name="line.474"></a>
-<span class="sourceLineNo">475</span> slotCond.signal();<a name="line.475"></a>
-<span class="sourceLineNo">476</span> }<a name="line.476"></a>
-<span class="sourceLineNo">477</span><a name="line.477"></a>
-<span class="sourceLineNo">478</span> syncCond.await();<a name="line.478"></a>
-<span class="sourceLineNo">479</span> } catch (InterruptedException e) {<a name="line.479"></a>
-<span class="sourceLineNo">480</span> Thread.currentThread().interrupt();<a name="line.480"></a>
-<span class="sourceLineNo">481</span> sendAbortProcessSignal();<a name="line.481"></a>
-<span class="sourceLineNo">482</span> throw new RuntimeException(e);<a name="line.482"></a>
-<span class="sourceLineNo">483</span> } finally {<a name="line.483"></a>
-<span class="sourceLineNo">484</span> lock.unlock();<a name="line.484"></a>
-<span class="sourceLineNo">485</span> if (isSyncAborted()) {<a name="line.485"></a>
-<span class="sourceLineNo">486</span> throw new RuntimeException("sync aborted", syncException.get());<a name="line.486"></a>
-<span class="sourceLineNo">487</span> }<a name="line.487"></a>
-<span class="sourceLineNo">488</span> }<a name="line.488"></a>
-<span class="sourceLineNo">489</span> return logId;<a name="line.489"></a>
-<span class="sourceLineNo">490</span> }<a name="line.490"></a>
-<span class="sourceLineNo">491</span><a name="line.491"></a>
-<span class="sourceLineNo">492</span> private void updateStoreTracker(final PushType type,<a name="line.492"></a>
-<span class="sourceLineNo">493</span> final long procId, final long[] subProcIds) {<a name="line.493"></a>
-<span class="sourceLineNo">494</span> switch (type) {<a name="line.494"></a>
-<span class="sourceLineNo">495</span> case INSERT:<a name="line.495"></a>
-<span class="sourceLineNo">496</span> if (subProcIds == null) {<a name="line.496"></a>
-<span class="sourceLineNo">497</span> storeTracker.insert(procId);<a name="line.497"></a>
-<span class="sourceLineNo">498</span> } else {<a name="line.498"></a>
-<span class="sourceLineNo">499</span> storeTracker.insert(procId, subProcIds);<a name="line.499"></a>
-<span class="sourceLineNo">500</span> }<a name="line.500"></a>
+<span class="sourceLineNo">472</span> syncCond.await();<a name="line.472"></a>
+<span class="sourceLineNo">473</span> } catch (InterruptedException e) {<a name="line.473"></a>
+<span class="sourceLineNo">474</span> Thread.currentThread().interrupt();<a name="line.474"></a>
+<span class="sourceLineNo">475</span> sendAbortProcessSignal();<a name="line.475"></a>
+<span class="sourceLineNo">476</span> throw new RuntimeException(e);<a name="line.476"></a>
+<span class="sourceLineNo">477</span> } finally {<a name="line.477"></a>
+<span class="sourceLineNo">478</span> lock.unlock();<a name="line.478"></a>
+<span class="sourceLineNo">479</span> if (isSyncAborted()) {<a name="line.479"></a>
+<span class="sourceLineNo">480</span> throw new RuntimeException("sync aborted", syncException.get());<a name="line.480"></a>
+<span class="sourceLineNo">481</span> }<a name="line.481"></a>
+<span class="sourceLineNo">482</span> }<a name="line.482"></a>
+<span class="sourceLineNo">483</span> return logId;<a name="line.483"></a>
+<span class="sourceLineNo">484</span> }<a name="line.484"></a>
+<span class="sourceLineNo">485</span><a name="line.485"></a>
+<span class="sourceLineNo">486</span> private void updateStoreTracker(final PushType type,<a name="line.486"></a>
+<span class="sourceLineNo">487</span> final long procId, final long[] subProcIds) {<a name="line.487"></a>
+<span class="sourceLineNo">488</span> switch (type) {<a name="line.488"></a>
+<span class="sourceLineNo">489</span> case INSERT:<a name="line.489"></a>
+<span class="sourceLineNo">490</span> if (subProcIds == null) {<a name="line.490"></a>
+<span class="sourceLineNo">491</span> storeTracker.insert(procId);<a name="line.491"></a>
+<span class="sourceLineNo">492</span> } else {<a name="line.492"></a>
+<span class="sourceLineNo">493</span> storeTracker.insert(procId, subProcIds);<a name="line.493"></a>
+<span class="sourceLineNo">494</span> }<a name="line.494"></a>
+<span class="sourceLineNo">495</span> break;<a name="line.495"></a>
+<span class="sourceLineNo">496</span> case UPDATE:<a name="line.496"></a>
+<span class="sourceLineNo">497</span> storeTracker.update(procId);<a name="line.497"></a>
+<span class="sourceLineNo">498</span> break;<a name="line.498"></a>
+<span class="sourceLineNo">499</span> case DELETE:<a name="line.499"></a>
+<span class="sourceLineNo">500</span> storeTracker.delete(procId);<a name="line.500"></a>
<span class="sourceLineNo">501</span> break;<a name="line.501"></a>
-<span class="sourceLineNo">502</span> case UPDATE:<a name="line.502"></a>
-<span class="sourceLineNo">503</span> storeTracker.update(procId);<a name="line.503"></a>
-<span class="sourceLineNo">504</span> break;<a name="line.504"></a>
-<span class="sourceLineNo">505</span> case DELETE:<a name="line.505"></a>
-<span class="sourceLineNo">506</span> storeTracker.delete(procId);<a name="line.506"></a>
-<span class="sourceLineNo">507</span> break;<a name="line.507"></a>
-<span class="sourceLineNo">508</span> default:<a name="line.508"></a>
-<span class="sourceLineNo">509</span> throw new RuntimeException("invalid push type " + type);<a name="line.509"></a>
-<span class="sourceLineNo">510</span> }<a name="line.510"></a>
-<span class="sourceLineNo">511</span> }<a name="line.511"></a>
-<span class="sourceLineNo">512</span><a name="line.512"></a>
-<span class="sourceLineNo">513</span> private boolean isSyncAborted() {<a name="line.513"></a>
-<span class="sourceLineNo">514</span> return syncException.get() != null;<a name="line.514"></a>
-<span class="sourceLineNo">515</span> }<a name="line.515"></a>
-<span class="sourceLineNo">516</span><a name="line.516"></a>
-<span class="sourceLineNo">517</span> private void syncLoop() throws Throwable {<a name="line.517"></a>
-<span class="sourceLineNo">518</span> inSync.set(false);<a name="line.518"></a>
-<span class="sourceLineNo">519</span> lock.lock();<a name="line.519"></a>
-<span class="sourceLineNo">520</span> try {<a name="line.520"></a>
-<span class="sourceLineNo">521</span> while (isRunning()) {<a name="line.521"></a>
-<span class="sourceLineNo">522</span> try {<a name="line.522"></a>
-<span class="sourceLineNo">523</span> // Wait until new data is available<a name="line.523"></a>
-<span class="sourceLineNo">524</span> if (slotIndex == 0) {<a name="line.524"></a>
-<span class="sourceLineNo">525</span> if (!loading.get()) {<a name="line.525"></a>
-<span class="sourceLineNo">526</span> periodicRoll();<a name="line.526"></a>
-<span class="sourceLineNo">527</span> }<a name="line.527"></a>
-<span class="sourceLineNo">528</span><a name="line.528"></a>
-<span class="sourceLineNo">529</span> if (LOG.isTraceEnabled()) {<a name="line.529"></a>
-<span class="sourceLineNo">530</span> float rollTsSec = getMillisFromLastRoll() / 1000.0f;<a name="line.530"></a>
-<span class="sourceLineNo">531</span> LOG.trace(String.format("Waiting for data. flushed=%s (%s/sec)",<a name="line.531"></a>
-<span class="sourceLineNo">532</span> StringUtils.humanSize(totalSynced.get()),<a name="line.532"></a>
-<span class="sourceLineNo">533</span> StringUtils.humanSize(totalSynced.get() / rollTsSec)));<a name="line.533"></a>
+<span class="sourceLineNo">502</span> default:<a name="line.502"></a>
+<span class="sourceLineNo">503</span> throw new RuntimeException("invalid push type " + type);<a name="line.503"></a>
+<span class="sourceLineNo">504</span> }<a name="line.504"></a>
+<span class="sourceLineNo">505</span> }<a name="line.505"></a>
+<span class="sourceLineNo">506</span><a name="line.506"></a>
+<span class="sourceLineNo">507</span> private boolean isSyncAborted() {<a name="line.507"></a>
+<span class="sourceLineNo">508</span> return syncException.get() != null;<a name="line.508"></a>
+<span class="sourceLineNo">509</span> }<a name="line.509"></a>
+<span class="sourceLineNo">510</span><a name="line.510"></a>
+<span class="sourceLineNo">511</span> private void syncLoop() throws Throwable {<a name="line.511"></a>
+<span class="sourceLineNo">512</span> inSync.set(false);<a name="line.512"></a>
+<span class="sourceLineNo">513</span> lock.lock();<a name="line.513"></a>
+<span class="sourceLineNo">514</span> try {<a name="line.514"></a>
+<span class="sourceLineNo">515</span> while (isRunning()) {<a name="line.515"></a>
+<span class="sourceLineNo">516</span> try {<a name="line.516"></a>
+<span class="sourceLineNo">517</span> // Wait until new data is available<a name="line.517"></a>
+<span class="sourceLineNo">518</span> if (slotIndex == 0) {<a name="line.518"></a>
+<span class="sourceLineNo">519</span> if (!loading.get()) {<a name="line.519"></a>
+<span class="sourceLineNo">520</span> periodicRoll();<a name="line.520"></a>
+<span class="sourceLineNo">521</span> }<a name="line.521"></a>
+<span class="sourceLineNo">522</span><a name="line.522"></a>
+<span class="sourceLineNo">523</span> if (LOG.isTraceEnabled()) {<a name="line.523"></a>
+<span class="sourceLineNo">524</span> float rollTsSec = getMillisFromLastRoll() / 1000.0f;<a name="line.524"></a>
+<span class="sourceLineNo">525</span> LOG.trace(String.format("Waiting for data. flushed=%s (%s/sec)",<a name="line.525"></a>
+<span class="sourceLineNo">526</span> StringUtils.humanSize(totalSynced.get()),<a name="line.526"></a>
+<span class="sourceLineNo">527</span> StringUtils.humanSize(totalSynced.get() / rollTsSec)));<a name="line.527"></a>
+<span class="sourceLineNo">528</span> }<a name="line.528"></a>
+<span class="sourceLineNo">529</span><a name="line.529"></a>
+<span class="sourceLineNo">530</span> waitCond.await(getMillisToNextPeriodicRoll(), TimeUnit.MILLISECONDS);<a name="line.530"></a>
+<span class="sourceLineNo">531</span> if (slotIndex == 0) {<a name="line.531"></a>
+<span class="sourceLineNo">532</span> // no data.. probably a stop() or a periodic roll<a name="line.532"></a>
+<span class="sourceLineNo">533</span> continue;<a name="line.533"></a>
<span class="sourceLineNo">534</span> }<a name="line.534"></a>
-<span class="sourceLineNo">535</span><a name="line.535"></a>
-<span class="sourceLineNo">536</span> waitCond.await(getMillisToNextPeriodicRoll(), TimeUnit.MILLISECONDS);<a name="line.536"></a>
-<span class="sourceLineNo">537</span> if (slotIndex == 0) {<a name="line.537"></a>
-<span class="sourceLineNo">538</span> // no data.. probably a stop() or a periodic roll<a name="line.538"></a>
-<span class="sourceLineNo">539</span> continue;<a name="line.539"></a>
-<span class="sourceLineNo">540</span> }<a name="line.540"></a>
+<span class="sourceLineNo">535</span> }<a name="line.535"></a>
+<span class="sourceLineNo">536</span><a name="line.536"></a>
+<span class="sourceLineNo">537</span> // Wait SYNC_WAIT_MSEC or the signal of "slots full" before flushing<a name="line.537"></a>
+<span class="sourceLineNo">538</span> long syncWaitSt = System.currentTimeMillis();<a name="line.538"></a>
+<span class="sourceLineNo">539</span> if (slotIndex != slots.length) {<a name="line.539"></a>
+<span class="sourceLineNo">540</span> slotCond.await(syncWaitMsec, TimeUnit.MILLISECONDS);<a name="line.540"></a>
<span class="sourceLineNo">541</span> }<a name="line.541"></a>
-<span class="sourceLineNo">542</span><a name="line.542"></a>
-<span class="sourceLineNo">543</span> // Wait SYNC_WAIT_MSEC or the signal of "slots full" before flushing<a name="line.543"></a>
-<span class="sourceLineNo">544</span> long syncWaitSt = System.currentTimeMillis();<a name="line.544"></a>
-<span class="sourceLineNo">545</span> if (slotIndex != slots.length) {<a name="line.545"></a>
-<span class="sourceLineNo">546</span> slotCond.await(syncWaitMsec, TimeUnit.MILLISECONDS);<a name="line.546"></a>
-<span class="sourceLineNo">547</span> }<a name="line.547"></a>
-<span class="sourceLineNo">548</span> long syncWaitMs = System.currentTimeMillis() - syncWaitSt;<a name="line.548"></a>
-<span class="sourceLineNo">549</span> if (LOG.isTraceEnabled() && (syncWaitMs > 10 || slotIndex < slots.length)) {<a name="line.549"></a>
-<span class="sourceLineNo">550</span> float rollSec = getMillisFromLastRoll() / 1000.0f;<a name="line.550"></a>
-<span class="sourceLineNo">551</span> LOG.trace(String.format("Sync wait %s, slotIndex=%s , totalSynced=%s (%s/sec)",<a name="line.551"></a>
-<span class="sourceLineNo">552</span> StringUtils.humanTimeDiff(syncWaitMs), slotIndex,<a name="line.552"></a>
-<span class="sourceLineNo">553</span> StringUtils.humanSize(totalSynced.get()),<a name="line.553"></a>
-<span class="sourceLineNo">554</span> StringUtils.humanSize(totalSynced.get() / rollSec)));<a name="line.554"></a>
-<span class="sourceLineNo">555</span> }<a name="line.555"></a>
-<span class="sourceLineNo">556</span><a name="line.556"></a>
-<span class="sourceLineNo">557</span> inSync.set(true);<a name="line.557"></a>
-<span class="sourceLineNo">558</span> totalSynced.addAndGet(syncSlots());<a name="line.558"></a>
-<span class="sourceLineNo">559</span> slotIndex = 0;<a name="line.559"></a>
-<span class="sourceLineNo">560</span> inSync.set(false);<a name="line.560"></a>
-<span class="sourceLineNo">561</span> } catch (InterruptedException e) {<a name="line.561"></a>
-<span class="sourceLineNo">562</span> Thread.currentThread().interrupt();<a name="line.562"></a>
-<span class="sourceLineNo">563</span> sendAbortProcessSignal();<a name="line.563"></a>
-<span class="sourceLineNo">564</span> syncException.compareAndSet(null, e);<a name="line.564"></a>
-<span class="sourceLineNo">565</span> throw e;<a name="line.565"></a>
-<span class="sourceLineNo">566</span> } catch (Throwable t) {<a name="line.566"></a>
-<span class="sourceLineNo">567</span> syncException.compareAndSet(null, t);<a name="line.567"></a>
-<span class="sourceLineNo">568</span> throw t;<a name="line.568"></a>
-<span class="sourceLineNo">569</span> } finally {<a name="line.569"></a>
-<span class="sourceLineNo">570</span> syncCond.signalAll();<a name="line.570"></a>
-<span class="sourceLineNo">571</span> }<a name="line.571"></a>
-<span class="sourceLineNo">572</span> }<a name="line.572"></a>
-<span class="sourceLineNo">573</span> } finally {<a name="line.573"></a>
-<span class="sourceLineNo">574</span> lock.unlock();<a name="line.574"></a>
-<span class="sourceLineNo">575</span> }<a name="line.575"></a>
-<span class="sourceLineNo">576</span> }<a name="line.576"></a>
-<span class="sourceLineNo">577</span><a name="line.577"></a>
-<span class="sourceLineNo">578</span> private long syncSlots() throws Throwable {<a name="line.578"></a>
-<span class="sourceLineNo">579</span> int retry = 0;<a name="line.579"></a>
-<span class="sourceLineNo">580</span> int logRolled = 0;<a name="line.580"></a>
-<span class="sourceLineNo">581</span> long totalSynced = 0;<a name="line.581"></a>
-<span class="sourceLineNo">582</span> do {<a name="line.582"></a>
-<span class="sourceLineNo">583</span> try {<a name="line.583"></a>
-<span class="sourceLineNo">584</span> totalSynced = syncSlots(stream, slots, 0, slotIndex);<a name="line.584"></a>
-<span class="sourceLineNo">585</span> break;<a name="line.585"></a>
-<span class="sourceLineNo">586</span> } catch (Throwable e) {<a name="line.586"></a>
-<span class="sourceLineNo">587</span> if (++retry >= maxRetriesBeforeRoll) {<a name="line.587"></a>
-<span class="sourceLineNo">588</span> if (logRolled >= maxSyncFailureRoll) {<a name="line.588"></a>
-<span class="sourceLineNo">589</span> LOG.error("Sync slots after log roll failed, abort.", e);<a name="line.589"></a>
-<span class="sourceLineNo">590</span> sendAbortProcessSignal();<a name="line.590"></a>
-<span class="sourceLineNo">591</span> throw e;<a name="line.591"></a>
-<span class="sourceLineNo">592</span> }<a name="line.592"></a>
-<span class="sourceLineNo">593</span><a name="line.593"></a>
-<span class="sourceLineNo">594</span> if (!rollWriterOrDie()) {<a name="line.594"></a>
-<span class="sourceLineNo">595</span> throw e;<a name="line.595"></a>
-<span class="sourceLineNo">596</span> }<a name="line.596"></a>
-<span class="sourceLineNo">597</span><a name="line.597"></a>
-<span class="sourceLineNo">598</span> logRolled++;<a name="line.598"></a>
-<span class="sourceLineNo">599</span> retry = 0;<a name="line.599"></a>
-<span class="sourceLineNo">600</span> }<a name="line.600"></a>
-<span class="sourceLineNo">601</span> }<a name="line.601"></a>
-<span class="sourceLineNo">602</span> } while (isRunning());<a name="line.602"></a>
-<span class="sourceLineNo">603</span> return totalSynced;<a name="line.603"></a>
-<span class="sourceLineNo">604</span> }<a name="line.604"></a>
-<span class="sourceLineNo">605</span><a name="line.605"></a>
-<span class="sourceLineNo">606</span> protected long syncSlots(FSDataOutputStream stream, ByteSlot[] slots, int offset, int count)<a name="line.606"></a>
-<span class="sourceLineNo">607</span> throws IOException {<a name="line.607"></a>
-<span class="sourceLineNo">608</span> long totalSynced = 0;<a name="line.608"></a>
-<span class="sourceLineNo">609</span> for (int i = 0; i < count; ++i) {<a name="line.609"></a>
-<span class="sourceLineNo">610</span> ByteSlot data = slots[offset + i];<a name="line.610"></a>
-<span class="sourceLineNo">611</span> data.writeTo(stream);<a name="line.611"></a>
-<span class="sourceLineNo">612</span> totalSynced += data.size();<a name="line.612"></a>
-<span class="sourceLineNo">613</span> }<a name="line.613"></a>
-<span class="sourceLineNo">614</span><a name="line.614"></a>
-<span class="sourceLineNo">615</span> if (useHsync) {<a name="line.615"></a>
-<span class="sourceLineNo">616</span> stream.hsync();<a name="line.616"></a>
-<span class="sourceLineNo">617</span> } else {<a name="line.617"></a>
-<span class="sourceLineNo">618</span> stream.hflush();<a name="line.618"></a>
-<span class="sourceLineNo">619</span> }<a name="line.619"></a>
-<span class="sourceLineNo">620</span> sendPostSyncSignal();<a name="line.620"></a>
-<span class="sourceLineNo">621</span><a name="line.621"></a>
-<span class="sourceLineNo">622</span> if (LOG.isTraceEnabled()) {<a name="line.622"></a>
-<span class="sourceLineNo">623</span> LOG.trace("Sync slots=" + count + '/' + slots.length +<a name="line.623"></a>
-<span class="sourceLineNo">624</span> ", flushed=" + StringUtils.humanSize(totalSynced));<a name="line.624"></a>
-<span class="sourceLineNo">625</span> }<a name="line.625"></a>
-<span class="sourceLineNo">626</span> return totalSynced;<a name="line.626"></a>
-<span class="sourceLineNo">627</span> }<a name="line.627"></a>
-<span class="sourceLineNo">628</span><a name="line.628"></a>
-<span class="sourceLineNo">629</span> private boolean rollWriterOrDie() {<a name="line.629"></a>
-<span class="sourceLineNo">630</span> for (int i = 1; i <= rollRetries; ++i) {<a name="line.630"></a>
-<span class="sourceLineNo">631</span> try {<a name="line.631"></a>
-<span class="sourceLineNo">632</span> if (rollWriter()) {<a name="line.632"></a>
-<span class="sourceLineNo">633</span> return true;<a name="line.633"></a>
-<span class="sourceLineNo">634</span> }<a name="line.634"></a>
-<span class="sourceLineNo">635</span> } catch (IOException e) {<a name="line.635"></a>
-<span class="sourceLineNo">636</span> LOG.warn("Unable to roll the log, attempt=" + i, e);<a name="line.636"></a>
-<span class="sourceLineNo">637</span> Threads.sleepWithoutInterrupt(waitBeforeRoll);<a name="line.637"></a>
-<span class="sourceLineNo">638</span> }<a name="line.638"></a>
-<span class="sourceLineNo">639</span> }<a name="line.639"></a>
-<span class="sourceLineNo">640</span> LOG.fatal("Unable to roll the log");<a name="line.640"></a>
-<span class="sourceLineNo">641</span> sendAbortProcessSignal();<a name="line.641"></a>
-<span class="sourceLineNo">642</span> throw new RuntimeException("unable to roll the log");<a name="line.642"></a>
-<span class="sourceLineNo">643</span> }<a name="line.643"></a>
-<span class="sourceLineNo">644</span><a name="line.644"></a>
-<span class="sourceLineNo">645</span> private boolean tryRollWriter() {<a name="line.645"></a>
-<span class="sourceLineNo">646</span> try {<a name="line.646"></a>
-<span class="sourceLineNo">647</span> return rollWriter();<a name="line.647"></a>
-<span class="sourceLineNo">648</span> } catch (IOException e) {<a name="line.648"></a>
-<span class="sourceLineNo">649</span> LOG.warn("Unable to roll the log", e);<a name="line.649"></a>
-<span class="sourceLineNo">650</span> return false;<a name="line.650"></a>
-<span class="sourceLineNo">651</span> }<a name="line.651"></a>
-<span class="sourceLineNo">652</span> }<a name="line.652"></a>
-<span class="sourceLineNo">653</span><a name="line.653"></a>
-<span class="sourceLineNo">654</span> private long getMillisToNextPeriodicRoll() {<a name="line.654"></a>
-<span class="sourceLineNo">655</span> if (lastRollTs.get() > 0 && periodicRollMsec > 0) {<a name="line.655"></a>
-<span class="sourceLineNo">656</span> return periodicRollMsec - getMillisFromLastRoll();<a name="line.656"></a>
-<span class="sourceLineNo">657</span> }<a name="line.657"></a>
-<span class="sourceLineNo">658</span> return Long.MAX_VALUE;<a name="line.658"></a>
+<span class="sourceLineNo">542</span> long syncWaitMs = System.currentTimeMillis() - syncWaitSt;<a name="line.542"></a>
+<span class="sourceLineNo">543</span> if (LOG.isTraceEnabled() && (syncWaitMs > 10 || slotIndex < slots.length)) {<a name="line.543"></a>
+<span class="sourceLineNo">544</span> float rollSec = getMillisFromLastRoll() / 1000.0f;<a name="line.544"></a>
+<span class="sourceLineNo">545</span> LOG.trace(String.format("Sync wait %s, slotIndex=%s , totalSynced=%s (%s/sec)",<a name="line.545"></a>
+<span class="sourceLineNo">546</span> StringUtils.humanTimeDiff(syncWaitMs), slotIndex,<a name="line.546"></a>
+<span class="sourceLineNo">547</span> StringUtils.humanSize(totalSynced.get()),<a name="line.547"></a>
+<span class="sourceLineNo">548</span> StringUtils.humanSize(totalSynced.get() / rollSec)));<a name="line.548"></a>
+<span class="sourceLineNo">549</span> }<a name="line.549"></a>
+<span class="sourceLineNo">550</span><a name="line.550"></a>
+<span class="sourceLineNo">551</span> inSync.set(true);<a name="line.551"></a>
+<span class="sourceLineNo">552</span> totalSynced.addAndGet(syncSlots());<a name="line.552"></a>
+<span class="sourceLineNo">553</span> slotIndex = 0;<a name="line.553"></a>
+<span class="sourceLineNo">554</span> inSync.set(false);<a name="line.554"></a>
+<span class="sourceLineNo">555</span> } catch (InterruptedException e) {<a name="line.555"></a>
+<span class="sourceLineNo">556</span> Thread.currentThread().interrupt();<a name="line.556"></a>
+<span class="sourceLineNo">557</span> sendAbortProcessSignal();<a name="line.557"></a>
+<span class="sourceLineNo">558</span> syncException.compareAndSet(null, e);<a name="line.558"></a>
+<span class="sourceLineNo">559</span> throw e;<a name="line.559"></a>
+<span class="sourceLineNo">560</span> } catch (Throwable t) {<a name="line.560"></a>
+<span class="sourceLineNo">561</span> syncException.compareAndSet(null, t);<a name="line.561"></a>
+<span class="sourceLineNo">562</span> throw t;<a name="line.562"></a>
+<span class="sourceLineNo">563</span> } finally {<a name="line.563"></a>
+<span class="sourceLineNo">564</span> syncCond.signalAll();<a name="line.564"></a>
+<span class="sourceLineNo">565</span> }<a name="line.565"></a>
+<span class="sourceLineNo">566</span> }<a name="line.566"></a>
+<span class="sourceLineNo">567</span> } finally {<a name="line.567"></a>
+<span class="sourceLineNo">568</span> lock.unlock();<a name="line.568"></a>
+<span class="sourceLineNo">569</span> }<a name="line.569"></a>
+<span class="sourceLineNo">570</span> }<a name="line.570"></a>
+<span class="sourceLineNo">571</span><a name="line.571"></a>
+<span class="sourceLineNo">572</span> private long syncSlots() throws Throwable {<a name="line.572"></a>
+<span class="sourceLineNo">573</span> int retry = 0;<a name="line.573"></a>
+<span class="sourceLineNo">574</span> int logRolled = 0;<a name="line.574"></a>
+<span class="sourceLineNo">575</span> long totalSynced = 0;<a name="line.575"></a>
+<span class="sourceLineNo">576</span> do {<a name="line.576"></a>
+<span class="sourceLineNo">577</span> try {<a name="line.577"></a>
+<span class="sourceLineNo">578</span> totalSynced = syncSlots(stream, slots, 0, slotIndex);<a name="line.578"></a>
+<span class="sourceLineNo">579</span> break;<a name="line.579"></a>
+<span class="sourceLineNo">580</span> } catch (Throwable e) {<a name="line.580"></a>
+<span class="sourceLineNo">581</span> LOG.warn("unable to sync slots, retry=" + retry);<a name="line.581"></a>
+<span class="sourceLineNo">582</span> if (++retry >= maxRetriesBeforeRoll) {<a name="line.582"></a>
+<span class="sourceLineNo">583</span> if (logRolled >= maxSyncFailureRoll) {<a name="line.583"></a>
+<span class="sourceLineNo">584</span> LOG.error("Sync slots after log roll failed, abort.", e);<a name="line.584"></a>
+<span class="sourceLineNo">585</span> sendAbortProcessSignal();<a name="line.585"></a>
+<span class="sourceLineNo">586</span> throw e;<a name="line.586"></a>
+<span class="sourceLineNo">587</span> }<a name="line.587"></a>
+<span class="sourceLineNo">588</span><a name="line.588"></a>
+<span class="sourceLineNo">589</span> if (!rollWriterOrDie()) {<a name="line.589"></a>
+<span class="sourceLineNo">590</span> throw e;<a name="line.590"></a>
+<span class="sourceLineNo">591</span> }<a name="line.591"></a>
+<span class="sourceLineNo">592</span><a name="line.592"></a>
+<span class="sourceLineNo">593</span> logRolled++;<a name="line.593"></a>
+<span class="sourceLineNo">594</span> retry = 0;<a name="line.594"></a>
+<span class="sourceLineNo">595</span> }<a name="line.595"></a>
+<span class="sourceLineNo">596</span> }<a name="line.596"></a>
+<span class="sourceLineNo">597</span> } while (isRunning());<a name="line.597"></a>
+<span class="sourceLineNo">598</span> return totalSynced;<a name="line.598"></a>
+<span class="sourceLineNo">599</span> }<a name="line.599"></a>
+<span class="sourceLineNo">600</span><a name="line.600"></a>
+<span class="sourceLineNo">601</span> protected long syncSlots(FSDataOutputStream stream, ByteSlot[] slots, int offset, int count)<a name="line.601"></a>
+<span class="sourceLineNo">602</span> throws IOException {<a name="line.602"></a>
+<span class="sourceLineNo">603</span> long totalSynced = 0;<a name="line.603"></a>
+<span class="sourceLineNo">604</span> for (int i = 0; i < count; ++i) {<a name="line.604"></a>
+<span class="sourceLineNo">605</span> ByteSlot data = slots[offset + i];<a name="line.605"></a>
+<span class="sourceLineNo">606</span> data.writeTo(stream);<a name="line.606"></a>
+<span class="sourceLineNo">607</span> totalSynced += data.size();<a name="line.607"></a>
+<span class="sourceLineNo">608</span> }<a name="line.608"></a>
+<span class="sourceLineNo">609</span><a name="line.609"></a>
+<span class="sourceLineNo">610</span> if (useHsync) {<a name="line.610"></a>
+<span class="sourceLineNo">611</span> stream.hsync();<a name="line.611"></a>
+<span class="sourceLineNo">612</span> } else {<a name="line.612"></a>
+<span class="sourceLineNo">613</span> stream.hflush();<a name="line.613"></a>
+<span class="sourceLineNo">614</span> }<a name="line.614"></a>
+<span class="sourceLineNo">615</span> sendPostSyncSignal();<a name="line.615"></a>
+<span class="sourceLineNo">616</span><a name="line.616"></a>
+<span class="sourceLineNo">617</span> if (LOG.isTraceEnabled()) {<a name="line.617"></a>
+<span class="sourceLineNo">618</span> LOG.trace("Sync slots=" + count + '/' + slots.length +<a name="line.618"></a>
+<span class="sourceLineNo">619</span> ", flushed=" + StringUtils.humanSize(totalSynced));<a name="line.619"></a>
+<span class="sourceLineNo">620</span> }<a name="line.620"></a>
+<span class="sourceLineNo">621</span> return totalSynced;<a name="line.621"></a>
+<span class="sourceLineNo">622</span> }<a name="line.622"></a>
+<span class="sourceLineNo">623</span><a name="line.623"></a>
+<span class="sourceLineNo">624</span> private boolean rollWriterOrDie() {<a name="line.624"></a>
+<span class="sourceLineNo">625</span> for (int i = 0; i < rollRetries; ++i) {<a name="line.625"></a>
+<span class="sourceLineNo">626</span> if (i > 0) Threads.sleepWithoutInterrupt(waitBeforeRoll * i);<a name="line.626"></a>
+<span class="sourceLineNo">627</span><a name="line.627"></a>
+<span class="sourceLineNo">628</span> try {<a name="line.628"></a>
+<span class="sourceLineNo">629</span> if (rollWriter()) {<a name="line.629"></a>
+<span class="sourceLineNo">630</span> return true;<a name="line.630"></a>
+<span class="sourceLineNo">631</span> }<a name="line.631"></a>
+<span class="sourceLineNo">632</span> } catch (IOException e) {<a name="line.632"></a>
+<span class="sourceLineNo">633</span> LOG.warn("Unable to roll the log, attempt=" + (i + 1), e);<a name="line.633"></a>
+<span class="sourceLineNo">634</span> }<a name="line.634"></a>
+<span class="sourceLineNo">635</span> }<a name="line.635"></a>
+<span class="sourceLineNo">636</span> LOG.fatal("Unable to roll the log");<a name="line.636"></a>
+<span class="sourceLineNo">637</span> sendAbortProcessSignal();<a name="line.637"></a>
+<span class="sourceLineNo">638</span> throw new RuntimeException("unable to roll the log");<a name="line.638"></a>
+<span class="sourceLineNo">639</span> }<a name="line.639"></a>
+<span class="sourceLineNo">640</span><a name="line.640"></a>
+<span class="sourceLineNo">641</span> private boolean tryRollWriter() {<a name="line.641"></a>
+<span class="sourceLineNo">642</span> try {<a name="line.642"></a>
+<span class="sourceLineNo">643</span> return rollWriter();<a name="line.643"></a>
+<span class="sourceLineNo">644</span> } catch (IOException e) {<a name="line.644"></a>
+<span class="sourceLineNo">645</span> LOG.warn("Unable to roll the log", e);<a name="line.645"></a>
+<span class="sourceLineNo">646</span> return false;<a name="line.646"></a>
+<span class="sourceLineNo">647</span> }<a name="line.647"></a>
+<span class="sourceLineNo">648</span> }<a name="line.648"></a>
+<span class="sourceLineNo">649</span><a name="line.649"></a>
+<span class="sourceLineNo">650</span> private long getMillisToNextPeriodicRoll() {<a name="line.650"></a>
+<span class="sourceLineNo">651</span> if (lastRollTs.get() > 0 && periodicRollMsec > 0) {<a name="line.651"></a>
+<span class="sourceLineNo">652</span> return periodicRollMsec - getMillisFromLastRoll();<a name="line.652"></a>
+<span class="sourceLineNo">653</span> }<a name="line.653"></a>
+<span class="sourceLineNo">654</span> return Long.MAX_VALUE;<a name="line.654"></a>
+<span class="sourceLineNo">655</span> }<a name="line.655"></a>
+<span class="sourceLineNo">656</span><a name="line.656"></a>
+<span class="sourceLineNo">657</span> private long getMillisFromLastRoll() {<a name="line.657"></a>
+<span class="sourceLineNo">658</span> return (System.currentTimeMillis() - lastRollTs.get());<a name="line.658"></a>
<span class="sourceLineNo">659</span> }<a name="line.659"></a>
<span class="sourceLineNo">660</span><a name="line.660"></a>
-<span class="sourceLineNo">661</span> private long getMillisFromLastRoll() {<a name="line.661"></a>
-<span class="sourceLineNo">662</span> return (System.currentTimeMillis() - lastRollTs.get());<a name="line.662"></a>
-<span class="sourceLineNo">663</span> }<a name="line.663"></a>
-<span class="sourceLineNo">664</span><a name="line.664"></a>
-<span class="sourceLineNo">665</span> @VisibleForTesting<a name="line.665"></a>
-<span class="sourceLineNo">666</span> protected void periodicRollForTesting() throws IOException {<a name="line.666"></a>
-<span class="sourceLineNo">667</span> lock.lock();<a name="line.667"></a>
-<span class="sourceLineNo">668</span> try {<a name="line.668"></a>
-<span class="sourceLineNo">669</span> periodicRoll();<a name="line.669"></a>
-<span class="sourceLineNo">670</span> } finally {<a name="line.670"></a>
-<span class="sourceLineNo">671</span> lock.unlock();<a name="line.671"></a>
-<span class="sourceLineNo">672</span> }<a name="line.672"></a>
-<span class="sourceLineNo">673</span> }<a name="line.673"></a>
-<span class="sourceLineNo">674</span><a name="line.674"></a>
-<span class="sourceLineNo">675</span> @VisibleForTesting<a name="line.675"></a>
-<span class="sourceLineNo">676</span> protected boolean rollWriterForTesting() throws IOException {<a name="line.676"></a>
-<span class="sourceLineNo">677</span> lock.lock();<a name="line.677"></a>
-<span class="sourceLineNo">678</span> try {<a name="line.678"></a>
-<span class="sourceLineNo">679</span> return rollWriter();<a name="line.679"></a>
-<span class="sourceLineNo">680</span> } finally {<a name="line.680"></a>
-<span class="sourceLineNo">681</span> lock.unlock();<a name="line.681"></a>
-<span class="sourceLineNo">682</span> }<a name="line.682"></a>
-<span class="sourceLineNo">683</span> }<a name="line.683"></a>
-<span class="sourceLineNo">684</span><a name="line.684"></a>
-<span class="sourceLineNo">685</span> private void periodicRoll() throws IOException {<a name="line.685"></a>
-<span class="sourceLineNo">686</span> if (storeTracker.isEmpty()) {<a name="line.686"></a>
-<span class="sourceLineNo">687</span> if (LOG.isTraceEnabled()) {<a name="line.687"></a>
-<span class="sourceLineNo">688</span> LOG.trace("no active procedures");<a name="line.688"></a>
-<span class="sourceLineNo">689</span> }<a name="line.689"></a>
-<span class="sourceLineNo">690</span> tryRollWriter();<a name="line.690"></a>
-<span class="sourceLineNo">691</span> removeAllLogs(flushLogId - 1);<a name="line.691"></a>
-<span class="sourceLineNo">692</span> } else {<a name="line.692"></a>
-<span class="sourceLineNo">693</span> if (storeTracker.isUpdated()) {<a name="line.693"></a>
-<span class="sourceLineNo">694</span> if (LOG.isTraceEnabled()) {<a name="line.694"></a>
-<span class="sourceLineNo">695</span> LOG.trace("all the active procedures are in the latest log");<a name="line.695"></a>
-<span class="sourceLineNo">696</span> }<a name="line.696"></a>
-<span class="sourceLineNo">697</span> removeAllLogs(flushLogId - 1);<a name="line.697"></a>
-<span class="sourceLineNo">698</span> }<a name="line.698"></a>
-<span class="sourceLineNo">699</span><a name="line.699"></a>
-<span class="sourceLineNo">700</span> // if the log size has exceeded the roll threshold<a name="line.700"></a>
-<span class="sourceLineNo">701</span> // or the periodic roll timeout is expired, try to roll the wal.<a name="line.701"></a>
-<span class="sourceLineNo">702</span> if (totalSynced.get() > rollThreshold || getMillisToNextPeriodicRoll() <= 0) {<a name="line.702"></a>
-<span class="sourceLineNo">703</span> tryRollWriter();<a name="line.703"></a>
-<span class="sourceLineNo">704</span> }<a name="line.704"></a>
+<span class="sourceLineNo">661</span> @VisibleForTesting<a name="line.661"></a>
+<span class="sourceLineNo">662</span> protected void periodicRollForTesting() throws IOException {<a name="line.662"></a>
+<span class="sourceLineNo">663</span> lock.lock();<a name="line.663"></a>
+<span class="sourceLineNo">664</span> try {<a name="line.664"></a>
+<span class="sourceLineNo">665</span> periodicRoll();<a name="line.665"></a>
+<span class="sourceLineNo">666</span> } finally {<a name="line.666"></a>
+<span class="sourceLineNo">667</span> lock.unlock();<a name="line.667"></a>
+<span class="sourceLineNo">668</span> }<a name="line.668"></a>
+<span class="sourceLineNo">669</span> }<a name="line.669"></a>
+<span class="sourceLineNo">670</span><a name="line.670"></a>
+<span class="sourceLineNo">671</span> @VisibleForTesting<a name="line.671"></a>
+<span class="sourceLineNo">672</span> protected boolean rollWriterForTesting() throws IOException {<a name="line.672"></a>
+<span class="sourceLineNo">673</span> lock.lock();<a name="line.673"></a>
+<span class="sourceLineNo">674</span> try {<a name="line.674"></a>
+<span class="sourceLineNo">675</span> return rollWriter();<a name="line.675"></a>
+<span class="sourceLineNo">676</span> } finally {<a name="line.676"></a>
+<span class="sourceLineNo">677</span> lock.unlock();<a name="line.677"></a>
+<span class="sourceLineNo">678</span> }<a name="line.678"></a>
+<span class="sourceLineNo">679</span> }<a name="line.679"></a>
+<span class="sourceLineNo">680</span><a name="line.680"></a>
+<span class="sourceLineNo">681</span> private void periodicRoll() throws IOException {<a name="line.681"></a>
+<span class="sourceLineNo">682</span> if (storeTracker.isEmpty()) {<a name="line.682"></a>
+<span class="sourceLineNo">683</span> if (LOG.isTraceEnabled()) {<a name="line.683"></a>
+<span class="sourceLineNo">684</span> LOG.trace("no active procedures");<a name="line.684"></a>
+<span class="sourceLineNo">685</span> }<a name="line.685"></a>
+<span class="sourceLineNo">686</span> tryRollWriter();<a name="line.686"></a>
+<span class="sourceLineNo">687</span> removeAllLogs(flushLogId - 1);<a name="line.687"></a>
+<span class="sourceLineNo">688</span> } else {<a name="line.688"></a>
+<span class="sourceLineNo">689</span> if (storeTracker.isUpdated()) {<a name="line.689"></a>
+<span class="sourceLineNo">690</span> if (LOG.isTraceEnabled()) {<a name="line.690"></a>
+<span class="sourceLineNo">691</span> LOG.trace("all the active procedures are in the latest log");<a name="line.691"></a>
+<span class="sourceLineNo">692</span> }<a name="line.692"></a>
+<span class="sourceLineNo">693</span> removeAllLogs(flushLogId - 1);<a name="line.693"></a>
+<span class="sourceLineNo">694</span> }<a name="line.694"></a>
+<span class="sourceLineNo">695</span><a name="line.695"></a>
+<span class="sourceLineNo">696</span> // if the log size has exceeded the roll threshold<a name="line.696"></a>
+<span class="sourceLineNo">697</span> // or the periodic roll timeout is expired, try to roll the wal.<a name="line.697"></a>
+<span class="sourceLineNo">698</span> if (totalSynced.get() > rollThreshold || getMillisToNextPeriodicRoll() <= 0) {<a name="line.698"></a>
+<span class="sourceLineNo">699</span> tryRollWriter();<a name="line.699"></a>
+<span class="sourceLineNo">700</span> }<a name="line.700"></a>
+<span class="sourceLineNo">701</span><a name="line.701"></a>
+<span class="sourceLineNo">702</span> removeInactiveLogs();<a name="line.702"></a>
+<span class="sourceLineNo">703</span> }<a name="line.703"></a>
+<span class="sourceLineNo">704</span> }<a name="line.704"></a>
<span class="sourceLineNo">705</span><a name="line.705"></a>
-<span class="sourceLineNo">706</span> removeInactiveLogs();<a name="line.706"></a>
-<span class="sourceLineNo">707</span> }<a name="line.707"></a>
-<span class="sourceLineNo">708</span> }<a name="line.708"></a>
-<span class="sourceLineNo">709</span><a name="line.709"></a>
-<span class="sourceLineNo">710</span> private boolean rollWriter() throws IOException {<a name="line.710"></a>
-<span class="sourceLineNo">711</span> // Create new state-log<a name="line.711"></a>
-<span class="sourceLineNo">712</span> if (!rollWriter(flushLogId + 1)) {<a name="line.712"></a>
-<span class="sourceLineNo">713</span> LOG.warn("someone else has already created log " + flushLogId);<a name="line.713"></a>
-<span class="sourceLineNo">714</span> return false;<a name="line.714"></a>
-<span class="sourceLineNo">715</span> }<a name="line.715"></a>
-<span class="sourceLineNo">716</span><a name="line.716"></a>
-<span class="sourceLineNo">717</span> // We have the lease on the log,<a name="line.717"></a>
-<span class="sourceLineNo">718</span> // but we should check if someone else has created new files<a name="line.718"></a>
-<span class="sourceLineNo">719</span> if (getMaxLogId(getLogFiles()) > flushLogId) {<a name="line.719"></a>
-<span class="sourceLineNo">720</span> LOG.warn("Someone else created new logs. Expected maxLogId < " + flushLogId);<a name="line.720"></a>
-<span class="sourceLineNo">721</span> logs.getLast().removeFile();<a name="line.721"></a>
-<span class="sourceLineNo">722</span> return false;<a name="line.722"></a>
-<span class="sourceLineNo">723</span> }<a name="line.723"></a>
+<span class="sourceLineNo">706</span> private boolean rollWriter() throws IOException {<a name="line.706"></a>
+<span class="sourceLineNo">707</span> // Create new state-log<a name="line.707"></a>
+<span class="sourceLineNo">708</span> if (!rollWriter(flushLogId + 1)) {<a name="line.708"></a>
+<span class="sourceLineNo">709</span> LOG.warn("someone else has already created log " + flushLogId);<a name="line.709"></a>
+<span class="sourceLineNo">710</span> return false;<a name="line.710"></a>
+<span class="sourceLineNo">711</span> }<a name="line.711"></a>
+<span class="sourceLineNo">712</span><a name="line.712"></a>
+<span class="sourceLineNo">713</span> // We have the lease on the log,<a name="line.713"></a>
+<span class="sourceLineNo">714</span> // but we should check if someone else has created new files<a name="line.714"></a>
+<span class="sourceLineNo">715</span> if (getMaxLogId(getLogFiles()) > flushLogId) {<a name="line.715"></a>
+<span class="sourceLineNo">716</span> LOG.warn("Someone else created new logs. Expected maxLogId < " + flushLogId);<a name="line.716"></a>
+<span class="sourceLineNo">717</span> logs.getLast().removeFile();<a name="line.717"></a>
+<span class="sourceLineNo">718</span> return false;<a name="line.718"></a>
+<span class="sourceLineNo">719</span> }<a name="line.719"></a>
+<span class="sourceLineNo">720</span><a name="line.720"></a>
+<span class="sourceLineNo">721</span> // We have the lease on the log<a name="line.721"></a>
+<span class="sourceLineNo">722</span> return true;<a name="line.722"></a>
+<span class="sourceLineNo">723</span> }<a name="line.723"></a>
<span class="sourceLineNo">724</span><a name="line.724"></a>
-<span class="sourceLineNo">725</span> // We have the lease on the log<a name="line.725"></a>
-<span class="sourceLineNo">726</span> return true;<a name="line.726"></a>
-<span class="sourceLineNo">727</span> }<a name="line.727"></a>
+<span class="sourceLineNo">725</span> private boolean rollWriter(final long logId) throws IOException {<a name="line.725"></a>
+<span class="sourceLineNo">726</span> assert logId > flushLogId : "logId=" + logId + " flushLogId=" + flushLogId;<a name="line.726"></a>
+<span class="sourceLineNo">727</span> assert lock.isHeldByCurrentThread() : "expected to be the lock owner. " + lock.isLocked();<a name="line.727"></a>
<span class="sourceLineNo">728</span><a name="line.728"></a>
-<span class="sourceLineNo">729</span> private boolean rollWriter(final long logId) throws IOException {<a name="line.729"></a>
-<span class="sourceLineNo">730</span> assert logId > flushLogId : "logId=" + logId + " flushLogId=" + flushLogId;<a name="line.730"></a>
-<span class="sourceLineNo">731</span> assert lock.isHeldByCurrentThread() : "expected to be the lock owner. " + lock.isLocked();<a name="line.731"></a>
-<span class="sourceLineNo">732</span><a name="line.732"></a>
-<span class="sourceLineNo">733</span> ProcedureWALHeader header = ProcedureWALHeader.newBuilder()<a name="line.733"></a>
-<span class="sourceLineNo">734</span> .setVersion(ProcedureWALFormat.HEADER_VERSION)<a name="line.734"></a>
-<span class="sourceLineNo">735</span> .setType(ProcedureWALFormat.LOG_TYPE_STREAM)<a name="line.735"></a>
-<span class="sourceLineNo">736</span> .setMinProcId(storeTracker.getMinProcId())<a name="line.736"></a>
-<span class="sourceLineNo">737</span> .setLogId(logId)<a name="line.737"></a>
-<span class="sourceLineNo">738</span> .build();<a name="line.738"></a>
-<span class="sourceLineNo">739</span><a name
<TRUNCATED>