[ https://issues.apache.org/jira/browse/HBASE-17131?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
ChiaPing Tsai updated HBASE-17131: ---------------------------------- Summary: Avoid livelock caused by HRegion#processRowsWithLocks (was: Livelook in HRegion#processRowsWithLocks) > Avoid livelock caused by HRegion#processRowsWithLocks > ----------------------------------------------------- > > Key: HBASE-17131 > URL: https://issues.apache.org/jira/browse/HBASE-17131 > Project: HBase > Issue Type: Bug > Reporter: ChiaPing Tsai > > {code:title=HRegion.java|borderStyle=solid} > try { > // STEP 2. Acquire the row lock(s) > acquiredRowLocks = new ArrayList<RowLock>(rowsToLock.size()); > for (byte[] row : rowsToLock) { > // Attempt to lock all involved rows, throw if any lock times out > // use a writer lock for mixed reads and writes > acquiredRowLocks.add(getRowLockInternal(row, false)); > } > // STEP 3. Region lock > lock(this.updatesLock.readLock(), acquiredRowLocks.size() == 0 ? 1 : > acquiredRowLocks.size()); > locked = true; > boolean success = false; > long now = EnvironmentEdgeManager.currentTime(); > try { > {code} > We should lock all involved rows in the second try-finally. Otherwise, we > won’t release the previous locks if any subsequent lock times out. -- This message was sent by Atlassian JIRA (v6.3.4#6332)