Apache9 commented on code in PR #4810:
URL: https://github.com/apache/hbase/pull/4810#discussion_r1014650889
##########
hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/DumpReplicationQueues.java:
##########
@@ -294,80 +346,117 @@ public String
dumpPeersState(List<ReplicationPeerDescription> peers) throws Exce
return sb.toString();
}
- public String dumpQueues(ZKWatcher zkw, Set<String> peerIds, boolean hdfs)
throws Exception {
- ReplicationQueueStorage queueStorage;
+ public String dumpQueues(Connection connection, Set<String> peerIds, boolean
hdfs,
+ Configuration conf) throws Exception {
StringBuilder sb = new StringBuilder();
+ ReplicationQueueStorage queueStorage =
+ ReplicationStorageFactory.getReplicationQueueStorage(connection, conf);
+
+ Set<ServerName> liveRegionServers =
+
connection.getAdmin().getClusterMetrics().getLiveServerMetrics().keySet();
- // queueStorage =
ReplicationStorageFactory.getReplicationQueueStorage(zkw, getConf());
- // Set<ServerName> liveRegionServers = ZKUtil.listChildrenNoWatch(zkw,
- // zkw.getZNodePaths().rsZNode)
- // .stream().map(ServerName::parseServerName).collect(Collectors.toSet());
- //
- // Loops each peer on each RS and dumps the queues
- // List<ServerName> regionservers = queueStorage.getListOfReplicators();
- // if (regionservers == null || regionservers.isEmpty()) {
- // return sb.toString();
- // }
- // for (ServerName regionserver : regionservers) {
- // List<String> queueIds = queueStorage.getAllQueues(regionserver);
- // if (!liveRegionServers.contains(regionserver)) {
- // deadRegionServers.add(regionserver.getServerName());
- // }
- // for (String queueId : queueIds) {
- // ReplicationQueueInfo queueInfo = new ReplicationQueueInfo(queueId);
- // List<String> wals = queueStorage.getWALsInQueue(regionserver, queueId);
- // Collections.sort(wals);
- // if (!peerIds.contains(queueInfo.getPeerId())) {
- // deletedQueues.add(regionserver + "/" + queueId);
- // sb.append(formatQueue(regionserver, queueStorage, queueInfo, queueId,
wals, true, hdfs));
- // } else {
- // sb.append(formatQueue(regionserver, queueStorage, queueInfo, queueId,
wals, false, hdfs));
- // }
- // }
- // }
+ List<ServerName> regionServers = queueStorage.listAllReplicators();
+ if (regionServers == null || regionServers.isEmpty()) {
+ return sb.toString();
+ }
+ for (ServerName regionServer : regionServers) {
+ List<ReplicationQueueId> queueIds =
queueStorage.listAllQueueIds(regionServer);
+
+ if (!liveRegionServers.contains(regionServer)) {
+ deadRegionServers.add(regionServer.getServerName());
+ }
+ for (ReplicationQueueId queueId : queueIds) {
+ // wals
+ List<String> tmpWals = AbstractFSWALProvider
+ .getWALFiles(connection.getConfiguration(),
+ URLEncoder.encode(queueId.getServerWALsBelongTo().toString(),
+ StandardCharsets.UTF_8.name()))
+ .stream().map(Path::toString).collect(Collectors.toList());
+
+ // old wals
+ tmpWals.addAll(AbstractFSWALProvider
+ .getArchivedWALFiles(connection.getConfiguration(),
queueId.getServerWALsBelongTo(),
+ URLEncoder.encode(queueId.getServerWALsBelongTo().toString(),
+ StandardCharsets.UTF_8.name()))
+ .stream().map(Path::toString).collect(Collectors.toList()));
+
+ Map<String, ReplicationGroupOffset> offsets =
queueStorage.getOffsets(queueId);
+ // filter out the wal files that should replicate
+ List<String> wals = new ArrayList<>();
+ for (Map.Entry<String, ReplicationGroupOffset> entry :
offsets.entrySet()) {
+ ReplicationGroupOffset offset = entry.getValue();
+ for (String wal : tmpWals) {
+ if (ReplicationOffsetUtil.shouldReplicate(offset, wal)) {
+ wals.add(wal);
+ }
+ }
+ // only for test
+ if (tmpWals.isEmpty() && !wals.contains(offset.getWal())) {
Review Comment:
What does this mean?
##########
hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/DumpReplicationQueues.java:
##########
@@ -294,80 +346,117 @@ public String
dumpPeersState(List<ReplicationPeerDescription> peers) throws Exce
return sb.toString();
}
- public String dumpQueues(ZKWatcher zkw, Set<String> peerIds, boolean hdfs)
throws Exception {
- ReplicationQueueStorage queueStorage;
+ public String dumpQueues(Connection connection, Set<String> peerIds, boolean
hdfs,
+ Configuration conf) throws Exception {
StringBuilder sb = new StringBuilder();
+ ReplicationQueueStorage queueStorage =
+ ReplicationStorageFactory.getReplicationQueueStorage(connection, conf);
+
+ Set<ServerName> liveRegionServers =
+
connection.getAdmin().getClusterMetrics().getLiveServerMetrics().keySet();
- // queueStorage =
ReplicationStorageFactory.getReplicationQueueStorage(zkw, getConf());
- // Set<ServerName> liveRegionServers = ZKUtil.listChildrenNoWatch(zkw,
- // zkw.getZNodePaths().rsZNode)
- // .stream().map(ServerName::parseServerName).collect(Collectors.toSet());
- //
- // Loops each peer on each RS and dumps the queues
- // List<ServerName> regionservers = queueStorage.getListOfReplicators();
- // if (regionservers == null || regionservers.isEmpty()) {
- // return sb.toString();
- // }
- // for (ServerName regionserver : regionservers) {
- // List<String> queueIds = queueStorage.getAllQueues(regionserver);
- // if (!liveRegionServers.contains(regionserver)) {
- // deadRegionServers.add(regionserver.getServerName());
- // }
- // for (String queueId : queueIds) {
- // ReplicationQueueInfo queueInfo = new ReplicationQueueInfo(queueId);
- // List<String> wals = queueStorage.getWALsInQueue(regionserver, queueId);
- // Collections.sort(wals);
- // if (!peerIds.contains(queueInfo.getPeerId())) {
- // deletedQueues.add(regionserver + "/" + queueId);
- // sb.append(formatQueue(regionserver, queueStorage, queueInfo, queueId,
wals, true, hdfs));
- // } else {
- // sb.append(formatQueue(regionserver, queueStorage, queueInfo, queueId,
wals, false, hdfs));
- // }
- // }
- // }
+ List<ServerName> regionServers = queueStorage.listAllReplicators();
+ if (regionServers == null || regionServers.isEmpty()) {
+ return sb.toString();
+ }
+ for (ServerName regionServer : regionServers) {
+ List<ReplicationQueueId> queueIds =
queueStorage.listAllQueueIds(regionServer);
+
+ if (!liveRegionServers.contains(regionServer)) {
+ deadRegionServers.add(regionServer.getServerName());
+ }
+ for (ReplicationQueueId queueId : queueIds) {
+ // wals
+ List<String> tmpWals = AbstractFSWALProvider
+ .getWALFiles(connection.getConfiguration(),
+ URLEncoder.encode(queueId.getServerWALsBelongTo().toString(),
+ StandardCharsets.UTF_8.name()))
+ .stream().map(Path::toString).collect(Collectors.toList());
+
+ // old wals
+ tmpWals.addAll(AbstractFSWALProvider
+ .getArchivedWALFiles(connection.getConfiguration(),
queueId.getServerWALsBelongTo(),
+ URLEncoder.encode(queueId.getServerWALsBelongTo().toString(),
+ StandardCharsets.UTF_8.name()))
+ .stream().map(Path::toString).collect(Collectors.toList()));
+
+ Map<String, ReplicationGroupOffset> offsets =
queueStorage.getOffsets(queueId);
+ // filter out the wal files that should replicate
+ List<String> wals = new ArrayList<>();
+ for (Map.Entry<String, ReplicationGroupOffset> entry :
offsets.entrySet()) {
+ ReplicationGroupOffset offset = entry.getValue();
+ for (String wal : tmpWals) {
+ if (ReplicationOffsetUtil.shouldReplicate(offset, wal)) {
+ wals.add(wal);
+ }
+ }
+ // only for test
+ if (tmpWals.isEmpty() && !wals.contains(offset.getWal())) {
+ wals.add(offset.getWal());
+ }
+ }
+
+ Collections.sort(wals,
Comparator.comparingLong(AbstractFSWALProvider::getTimestamp));
+ if (!peerIds.contains(queueId.getPeerId())) {
+ deletedQueues.add(regionServer + "/" + queueId);
+ sb.append(formatQueue(regionServer, offsets, wals, queueId, true,
hdfs));
+ } else {
+ sb.append(formatQueue(regionServer, offsets, wals, queueId, false,
hdfs));
+ }
+ }
+ }
return sb.toString();
}
- private String formatQueue(ServerName regionserver, ReplicationQueueStorage
queueStorage,
- ReplicationQueueInfo queueInfo, String queueId, List<String> wals, boolean
isDeleted,
- boolean hdfs) throws Exception {
+ private String formatQueue(ServerName regionServer, Map<String,
ReplicationGroupOffset> offsets,
+ List<String> wals, ReplicationQueueId queueId, boolean isDeleted, boolean
hdfs)
+ throws Exception {
StringBuilder sb = new StringBuilder();
- List<ServerName> deadServers;
-
- sb.append("Dumping replication queue info for RegionServer: [" +
regionserver + "]" + "\n");
- sb.append(" Queue znode: " + queueId + "\n");
- sb.append(" PeerID: " + queueInfo.getPeerId() + "\n");
- sb.append(" Recovered: " + queueInfo.isQueueRecovered() + "\n");
- deadServers = queueInfo.getDeadRegionServers();
- if (deadServers.isEmpty()) {
- sb.append(" No dead RegionServers found in this queue." + "\n");
+ sb.append("Dumping replication queue info for RegionServer: [" +
regionServer + "]" + "\n");
+ sb.append(" Queue id: " + queueId + "\n");
+ sb.append(" PeerID: " + queueId.getPeerId() + "\n");
+ sb.append(" Recovered: " + queueId.isRecovered() + "\n");
+ // In new version, we only record the first dead RegionServer in queueId.
+ if (queueId.getSourceServerName().isPresent()) {
+ sb.append(" Dead RegionServer: " +
queueId.getSourceServerName().get() + "\n");
} else {
- sb.append(" Dead RegionServers: " + deadServers + "\n");
+ sb.append(" No dead RegionServer found in this queue." + "\n");
}
sb.append(" Was deleted: " + isDeleted + "\n");
sb.append(" Number of WALs in replication queue: " + wals.size() +
"\n");
- peersQueueSize.addAndGet(queueInfo.getPeerId(), wals.size());
-
- for (String wal : wals) {
- // long position = queueStorage.getWALPosition(regionserver,
queueInfo.getPeerId(), wal);
- // sb.append(" Replication position for " + wal + ": "
- // + (position > 0 ? position : "0" + " (not started or nothing to
replicate)") + "\n");
+ peersQueueSize.addAndGet(queueId.getPeerId(), wals.size());
+
+ for (Map.Entry<String, ReplicationGroupOffset> entry : offsets.entrySet())
{
+ String walGroup = entry.getKey();
+ ReplicationGroupOffset offset = entry.getValue();
+ for (String wal : wals) {
+ if (offset.getWal().equals(wal)) {
Review Comment:
Why only log when equal? This means we will only log one file per group?
##########
hbase-server/src/main/java/org/apache/hadoop/hbase/replication/regionserver/DumpReplicationQueues.java:
##########
@@ -294,80 +346,117 @@ public String
dumpPeersState(List<ReplicationPeerDescription> peers) throws Exce
return sb.toString();
}
- public String dumpQueues(ZKWatcher zkw, Set<String> peerIds, boolean hdfs)
throws Exception {
- ReplicationQueueStorage queueStorage;
+ public String dumpQueues(Connection connection, Set<String> peerIds, boolean
hdfs,
+ Configuration conf) throws Exception {
StringBuilder sb = new StringBuilder();
+ ReplicationQueueStorage queueStorage =
+ ReplicationStorageFactory.getReplicationQueueStorage(connection, conf);
+
+ Set<ServerName> liveRegionServers =
+
connection.getAdmin().getClusterMetrics().getLiveServerMetrics().keySet();
- // queueStorage =
ReplicationStorageFactory.getReplicationQueueStorage(zkw, getConf());
- // Set<ServerName> liveRegionServers = ZKUtil.listChildrenNoWatch(zkw,
- // zkw.getZNodePaths().rsZNode)
- // .stream().map(ServerName::parseServerName).collect(Collectors.toSet());
- //
- // Loops each peer on each RS and dumps the queues
- // List<ServerName> regionservers = queueStorage.getListOfReplicators();
- // if (regionservers == null || regionservers.isEmpty()) {
- // return sb.toString();
- // }
- // for (ServerName regionserver : regionservers) {
- // List<String> queueIds = queueStorage.getAllQueues(regionserver);
- // if (!liveRegionServers.contains(regionserver)) {
- // deadRegionServers.add(regionserver.getServerName());
- // }
- // for (String queueId : queueIds) {
- // ReplicationQueueInfo queueInfo = new ReplicationQueueInfo(queueId);
- // List<String> wals = queueStorage.getWALsInQueue(regionserver, queueId);
- // Collections.sort(wals);
- // if (!peerIds.contains(queueInfo.getPeerId())) {
- // deletedQueues.add(regionserver + "/" + queueId);
- // sb.append(formatQueue(regionserver, queueStorage, queueInfo, queueId,
wals, true, hdfs));
- // } else {
- // sb.append(formatQueue(regionserver, queueStorage, queueInfo, queueId,
wals, false, hdfs));
- // }
- // }
- // }
+ List<ServerName> regionServers = queueStorage.listAllReplicators();
+ if (regionServers == null || regionServers.isEmpty()) {
+ return sb.toString();
+ }
+ for (ServerName regionServer : regionServers) {
+ List<ReplicationQueueId> queueIds =
queueStorage.listAllQueueIds(regionServer);
+
+ if (!liveRegionServers.contains(regionServer)) {
+ deadRegionServers.add(regionServer.getServerName());
+ }
+ for (ReplicationQueueId queueId : queueIds) {
+ // wals
+ List<String> tmpWals = AbstractFSWALProvider
+ .getWALFiles(connection.getConfiguration(),
+ URLEncoder.encode(queueId.getServerWALsBelongTo().toString(),
+ StandardCharsets.UTF_8.name()))
+ .stream().map(Path::toString).collect(Collectors.toList());
+
+ // old wals
+ tmpWals.addAll(AbstractFSWALProvider
Review Comment:
The tmpWals is constructed by stream, which is not safe to add entries to it
since it maybe immutable?
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