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HBASE-964 Startup stuck "waiting for root region" 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/hbase/trunk@711149 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Jim Kellerman 2008-11-04 00:58:28 +00:00
parent f806f7fdea
commit 97fbf7da76
2 changed files with 14 additions and 13 deletions
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1
CHANGES.txt
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@ -60,6 +60,7 @@ Release 0.19.0 - Unreleased
HBASE-976 HADOOP 0.19.0 RC0 is broke; replace with HEAD of branch-0.19
HBASE-977 Arcane HStoreKey comparator bug
HBASE-979 REST web app is not started automatically
HBASE-964 Startup stuck "waiting for root region"
IMPROVEMENTS
HBASE-901 Add a limit to key length, check key and value length on client side

24
src/java/org/apache/hadoop/hbase/regionserver/HRegionServer.java
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@ -123,7 +123,6 @@ public class HRegionServer implements HConstants, HRegionInterface, Runnable {
protected final HBaseConfiguration conf;
private final ServerConnection connection;
private final AtomicBoolean haveRootRegion = new AtomicBoolean(false);
private FileSystem fs;
private Path rootDir;
private final Random rand = new Random();
@ -304,8 +303,20 @@ public class HRegionServer implements HConstants, HRegionInterface, Runnable {
boolean quiesceRequested = false;
// A sleeper that sleeps for msgInterval.
Sleeper sleeper = new Sleeper(this.msgInterval, this.stopRequested);
boolean haveRootRegion = false;
try {
init(reportForDuty(sleeper));
// Try to get the root region location from the master.
if (!haveRootRegion) {
HServerAddress rootServer = hbaseMaster.getRootRegionLocation();
if (rootServer != null) {
// By setting the root region location, we bypass the wait imposed on
// HTable for all regions being assigned.
this.connection.setRootRegionLocation(
new HRegionLocation(HRegionInfo.ROOT_REGIONINFO, rootServer));
haveRootRegion = true;
}
}
long lastMsg = 0;
// Now ask master what it wants us to do and tell it what we have done
for (int tries = 0; !stopRequested.get() && isHealthy();) {
@ -693,17 +704,6 @@ public class HRegionServer implements HConstants, HRegionInterface, Runnable {
* the end of the main HRegionServer run loop.
*/
private void housekeeping() {
// Try to get the root region location from the master.
if (!haveRootRegion.get()) {
HServerAddress rootServer = hbaseMaster.getRootRegionLocation();
if (rootServer != null) {
// By setting the root region location, we bypass the wait imposed on
// HTable for all regions being assigned.
this.connection.setRootRegionLocation(
new HRegionLocation(HRegionInfo.ROOT_REGIONINFO, rootServer));
haveRootRegion.set(true);
}
}
// If the todo list has > 0 messages, iterate looking for open region
// messages. Send the master a message that we're working on its
// processing so it doesn't assign the region elsewhere.