/**
* Waits indefinitely for availability of <code>.META.</code>. Used during cluster startup. Does
* not verify meta, just that something has been set up in zk.
*
* @see #waitForMeta(long)
* @throws InterruptedException if interrupted while waiting
*/
public void waitForMeta() throws InterruptedException {
while (!this.stopped) {
try {
if (waitForMeta(100) != null) break;
} catch (NotAllMetaRegionsOnlineException e) {
if (LOG.isTraceEnabled()) {
LOG.info(
".META. still not available, sleeping and retrying." + " Reason: " + e.getMessage());
}
} catch (IOException e) {
LOG.info("Retrying", e);
}
}
}
/**
* Waits indefinitely for availability of <code>hbase:meta</code>. Used during cluster startup.
* Does not verify meta, just that something has been set up in zk.
*
* @see #waitMetaRegionLocation(org.apache.hadoop.hbase.zookeeper.ZooKeeperWatcher, long)
* @throws InterruptedException if interrupted while waiting
*/
public void waitMetaRegionLocation(ZooKeeperWatcher zkw) throws InterruptedException {
long startTime = System.currentTimeMillis();
while (!stopped) {
try {
if (waitMetaRegionLocation(zkw, 100) != null) break;
long sleepTime = System.currentTimeMillis() - startTime;
// +1 in case sleepTime=0
if ((sleepTime + 1) % 10000 == 0) {
LOG.warn("Have been waiting for meta to be assigned for " + sleepTime + "ms");
}
} catch (NotAllMetaRegionsOnlineException e) {
if (LOG.isTraceEnabled()) {
LOG.trace(
"hbase:meta still not available, sleeping and retrying."
+ " Reason: "
+ e.getMessage());
}
}
}
}
