WenFeiYi commented on a change in pull request #2021:
URL: https://github.com/apache/hbase/pull/2021#discussion_r459233528
##########
File path:
hbase-server/src/main/java/org/apache/hadoop/hbase/wal/AbstractWALRoller.java
##########
@@ -58,31 +58,31 @@
protected static final String WAL_ROLL_PERIOD_KEY =
"hbase.regionserver.logroll.period";
- protected final ConcurrentMap<WAL, Boolean> walNeedsRoll = new
ConcurrentHashMap<>();
+ protected final ConcurrentMap<WAL, RollController> wals = new
ConcurrentHashMap<>();
protected final T abortable;
- private volatile long lastRollTime = System.currentTimeMillis();
// Period to roll log.
private final long rollPeriod;
private final int threadWakeFrequency;
// The interval to check low replication on hlog's pipeline
- private long checkLowReplicationInterval;
+ private final long checkLowReplicationInterval;
private volatile boolean running = true;
public void addWAL(WAL wal) {
// check without lock first
- if (walNeedsRoll.containsKey(wal)) {
+ if (wals.containsKey(wal)) {
return;
}
// this is to avoid race between addWAL and requestRollAll.
synchronized (this) {
- if (walNeedsRoll.putIfAbsent(wal, Boolean.FALSE) == null) {
+ if (wals.putIfAbsent(wal, new RollController(wal)) == null) {
wal.registerWALActionsListener(new WALActionsListener() {
@Override
public void logRollRequested(WALActionsListener.RollRequestReason
reason) {
// TODO logs will contend with each other here, replace with e.g.
DelayedQueue
Review comment:
No, the todo is pre-existing.
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
