internal static void DumpTopicMetadataAndOffset(TopicHelperArguments dtOptions)
{
string topics = dtOptions.Topic;
string zookeeper = dtOptions.Zookeeper;
int partitionIndex = dtOptions.PartitionIndex;
bool includePartitionDetailInfo = true;
bool includeOffsetInfo = true;
DateTime timestamp = dtOptions.TimestampInUTC;
bool dumpToLog = true;
bool dumpToConsole = true;
string file = dtOptions.File;
using (ZooKeeperClient zkClient = new ZooKeeperClient(zookeeper,
ZooKeeperConfiguration.DefaultSessionTimeout, ZooKeeperStringSerializer.Serializer))
{
zkClient.Connect();
//BrokerID -->Count of as leader
SortedDictionary <int, int> parttionBrokerID_LeaderCountDistrib = new SortedDictionary <int, int>();
//BrokerID -->Count of as replica
SortedDictionary <int, int> parttionBrokerID_ReplicaCountDistrib = new SortedDictionary <int, int>();
StringBuilder sbAll = new StringBuilder();
int topicCount = 0;
if (string.IsNullOrEmpty(topics))
{
List <string> topicList = new List <string>();
string path = "/brokers/topics";
try
{
IEnumerable <string> ts = zkClient.GetChildren(path);
foreach (var p in ts)
{
topicList.Add(p);
}
}
catch (KeeperException e)
{
if (e.ErrorCode == KeeperException.Code.NONODE)
{
throw new ApplicationException("Please make sure the path exists in zookeeper: " + path, e);
}
else
{
throw;
}
}
sbAll.AppendFormat("\r\nTotally {0} topics. \r\n\r\n", topicList.Count);
foreach (var t in topicList.ToArray().OrderBy(r => r).ToArray())
{
SortedDictionary <int, long> latestOffsetDict = new SortedDictionary <int, long>();
SortedDictionary <int, long> latestLength = new SortedDictionary <int, long>();
sbAll.Append(DumpTopicMetadataAndOffsetInternal(zkClient, t,
zookeeper,
partitionIndex,
includePartitionDetailInfo,
includeOffsetInfo,
timestamp,
parttionBrokerID_LeaderCountDistrib, parttionBrokerID_ReplicaCountDistrib, latestOffsetDict, latestLength));
}
topicCount = topicList.Count;
}
else if (topics.Contains(","))
{
string[] topicArray = topics.Split(new char[] { ',' });
topicCount = topicArray.Length;
sbAll.AppendFormat("\r\nTotally {0} topics. \r\n\r\n", topicArray.Length);
foreach (var t in topicArray.OrderBy(r => r).ToArray())
{
SortedDictionary <int, long> latestOffsetDict = new SortedDictionary <int, long>();
SortedDictionary <int, long> latestLength = new SortedDictionary <int, long>();
sbAll.Append(DumpTopicMetadataAndOffsetInternal(zkClient, t,
zookeeper,
partitionIndex,
includePartitionDetailInfo,
includeOffsetInfo,
timestamp,
parttionBrokerID_LeaderCountDistrib, parttionBrokerID_ReplicaCountDistrib, latestOffsetDict, latestLength));
}
}
else
{
SortedDictionary <int, long> latestOffsetDict = new SortedDictionary <int, long>();
SortedDictionary <int, long> latestLength = new SortedDictionary <int, long>();
sbAll.Append(DumpTopicMetadataAndOffsetInternal(zkClient, topics,
zookeeper,
partitionIndex,
includePartitionDetailInfo,
includeOffsetInfo,
timestamp,
parttionBrokerID_LeaderCountDistrib, parttionBrokerID_ReplicaCountDistrib, latestOffsetDict, latestLength));
topicCount = 1;
}
if (topicCount > 1)
{
sbAll.AppendFormat("\r\nBroker as leader distribution=====All topic=======\r\n");
sbAll.AppendFormat("\r\tBrokerID\tLeadPartition count\r\n");
foreach (KeyValuePair <int, int> kv in parttionBrokerID_LeaderCountDistrib)
{
sbAll.AppendFormat("\t\t{0}\t{1}\r\n", KafkaConsoleUtil.GetBrokerIDAndIP(kv.Key), kv.Value);
}
sbAll.AppendFormat("Broker as replica distribution========All topic=====\r\n");
sbAll.AppendFormat("\r\tBrokerID\tReplication count count\r\n");
foreach (KeyValuePair <int, int> kv in parttionBrokerID_ReplicaCountDistrib)
{
sbAll.AppendFormat("\t\t{0}\t{1}\r\n", KafkaConsoleUtil.GetBrokerIDAndIP(kv.Key), kv.Value);
}
}
string s = sbAll.ToString();
if (dumpToLog)
{
Logger.Info(s);
}
if (dumpToConsole)
{
Console.WriteLine(s);
}
if (!string.IsNullOrEmpty(file))
{
Console.WriteLine("Will write to {0}", file);
using (StreamWriter sw = new StreamWriter(file, false))
{
sw.WriteLine(s);
}
}
}
}
internal static string DumpTopicMetadataAndOffsetInternal(ZooKeeperClient zkClient, string topic,
string zookeeper,
int partitionIndex,
bool includePartitionDetailInfo,
bool includeOffsetInfo,
DateTime timestamp,
SortedDictionary <int, int> parttionBrokerID_LeaderCountDistribAll,
SortedDictionary <int, int> parttionBrokerID_ReplicaCountDistribAll,
SortedDictionary <int, long> latestOffset,
SortedDictionary <int, long> latestLength)
{
StringBuilder sb = new StringBuilder();
string s = string.Empty;
//BrokerID -->Count of as leader
SortedDictionary <int, int> parttionBrokerID_LeaderCountDistrib = new SortedDictionary <int, int>();
//BrokerID -->Count of as replica
SortedDictionary <int, int> parttionBrokerID_ReplicaCountDistrib = new SortedDictionary <int, int>();
try
{
if (string.IsNullOrEmpty(zookeeper))
{
Logger.Error(" zookeeper should be provided");
sb.AppendFormat(DumpTopicError, topic);
}
else
{
KafkaSimpleManagerConfiguration config = new KafkaSimpleManagerConfiguration()
{
Zookeeper = zookeeper
};
config.Verify();
Dictionary <int, int[]> detailDataInZookeeper = ZkUtils.GetTopicMetadataInzookeeper(zkClient, topic);
using (KafkaSimpleManager <int, Message> kafkaSimpleManager = new KafkaSimpleManager <int, Message>(config))
{
TopicMetadata topicMetadata = kafkaSimpleManager.RefreshMetadata(KafkaNETExampleConstants.DefaultVersionId, ClientID, TopicMetadataRequestID++, topic, true);
int partitionCount = topicMetadata.PartitionsMetadata.Count();
sb.AppendFormat("Topic:{0}\tPartitionCount:{1}\t", topic, partitionCount);
int replicationFactor = Enumerable.Count <Broker>(topicMetadata.PartitionsMetadata.First().Replicas);
sb.AppendFormat("ReplicationFactor:{0}\t", replicationFactor);
//TODO: compare detailDataInZookeeper and check which one missed.
StringBuilder sbDetail = new StringBuilder();
if (includePartitionDetailInfo)
{
long sumEndOffset = 0;
long sumLength = 0;
foreach (PartitionMetadata p in topicMetadata.PartitionsMetadata.OrderBy(r => r.PartitionId).ToList())
{
int[] replicaInZookeeper = null;
if (detailDataInZookeeper.ContainsKey(p.PartitionId))
{
replicaInZookeeper = detailDataInZookeeper[p.PartitionId];
detailDataInZookeeper.Remove(p.PartitionId);
}
#region One partition
long earliest = 0;
long latest = 0;
if (partitionIndex == -1 || p.PartitionId == partitionIndex)
{
//sbDetail.AppendFormat("\tTopic:{0}", topic);
sbDetail.AppendFormat("\tPartition:{0}", p.PartitionId);
if (p.Leader != null)
{
sbDetail.AppendFormat("\tLeader:{0}", KafkaConsoleUtil.GetBrokerIDAndIP(p.Leader.Id));
if (parttionBrokerID_LeaderCountDistrib.ContainsKey(p.Leader.Id))
{
parttionBrokerID_LeaderCountDistrib[p.Leader.Id]++;
}
else
{
parttionBrokerID_LeaderCountDistrib.Add(p.Leader.Id, 1);
}
if (parttionBrokerID_LeaderCountDistribAll.ContainsKey(p.Leader.Id))
{
parttionBrokerID_LeaderCountDistribAll[p.Leader.Id]++;
}
else
{
parttionBrokerID_LeaderCountDistribAll.Add(p.Leader.Id, 1);
}
}
else
{
sbDetail.AppendFormat("\tLeader:NoLeader!");
}
sbDetail.AppendFormat("\tReplicas:{0}", string.Join(",", p.Replicas.Select(r => KafkaConsoleUtil.GetBrokerIDAndIP(r.Id)).ToArray()));
foreach (Broker b in p.Replicas)
{
if (parttionBrokerID_ReplicaCountDistrib.ContainsKey(b.Id))
{
parttionBrokerID_ReplicaCountDistrib[b.Id]++;
}
else
{
parttionBrokerID_ReplicaCountDistrib.Add(b.Id, 1);
}
if (parttionBrokerID_ReplicaCountDistribAll.ContainsKey(b.Id))
{
parttionBrokerID_ReplicaCountDistribAll[b.Id]++;
}
else
{
parttionBrokerID_ReplicaCountDistribAll.Add(b.Id, 1);
}
}
//sbDetail.AppendFormat("\tIsr:{0}", string.Join(",", p.Isr.Select(r => r.Id).ToArray()));
ArrayList isrs = GetIsr(zkClient, topic, p.PartitionId);
sbDetail.AppendFormat("\tIsr:{0}", string.Join(",", isrs.ToArray().Select(r => KafkaConsoleUtil.GetBrokerIDAndIP(Convert.ToInt32(r)))));
//TODO: add missed replica
#region Offset
if (includeOffsetInfo)
{
try
{
kafkaSimpleManager.RefreshAndGetOffset(KafkaNETExampleConstants.DefaultVersionId, ClientID, TopicMetadataRequestID++, topic, p.PartitionId, true, out earliest, out latest);
sumEndOffset += latest;
sumLength += (latest - earliest);
sbDetail.AppendFormat("\tlength:{2}\tearliest:{0}\tlatest:{1}"
, earliest
, latest
, (latest - earliest) == 0 ? "(empty)" : (latest - earliest).ToString());
sbDetail.AppendFormat("\r\n");
latestOffset.Add(p.PartitionId, latest);
latestLength.Add(p.PartitionId, latest - earliest);
}
catch (NoLeaderForPartitionException e)
{
sbDetail.AppendFormat(" ERROR:{0}\r\n", e.Message);
}
catch (UnableToConnectToHostException e)
{
sbDetail.AppendFormat(" ERROR:{0}\r\n", e.Message);
}
if (timestamp != DateTime.MinValue)
{
long timestampLong = KafkaClientHelperUtils.ToUnixTimestampMillis(timestamp);
try
{
long timeStampOffset = kafkaSimpleManager.RefreshAndGetOffsetByTimeStamp(KafkaNETExampleConstants.DefaultVersionId, ClientID, TopicMetadataRequestID++, topic, p.PartitionId, timestamp);
sbDetail.AppendFormat("\t\ttimeStampOffset:{0}\ttimestamp(UTC):{1}\tUnixTimestamp:{2}\t"
, timeStampOffset
, KafkaClientHelperUtils.DateTimeFromUnixTimestampMillis(timestampLong).ToString("s")
, timestampLong);
sbDetail.AppendFormat("\r\n");
}
catch (TimeStampTooSmallException)
{
sbDetail.AppendFormat("\t\ttimeStampOffset:{0}\ttimestamp(UTC):{1}\tUnixTimestamp:{2}\t"
, "NA since no data before the time you specified, please retry with a bigger value."
, KafkaClientHelperUtils.DateTimeFromUnixTimestampMillis(timestampLong).ToString("s")
, timestampLong);
sbDetail.AppendFormat("\r\n");
}
}
}
#endregion
}
#endregion
}
if (includeOffsetInfo)
{
sb.AppendFormat("SumeEndOffset:{0:0,0} SumLength:{1:0,0}\r\n", sumEndOffset, sumLength);
}
else
{
sb.AppendFormat("\r\n");
}
if (detailDataInZookeeper.Any())
{
foreach (KeyValuePair <int, int[]> kv in detailDataInZookeeper)
{
sb.AppendFormat("=ERROR=MISSED partition= {0} Replicas {1} ", kv.Key, string.Join(",", kv.Value.Select(r => r.ToString()).ToArray()));
}
}
}
sb.Append(sbDetail.ToString());
sb.AppendFormat("\tBroker as leader distribution======={0}=======\r\n", topic);
sb.AppendFormat("\r\tBrokerID\tLeadPartition count\r\n");
foreach (KeyValuePair <int, int> kv in parttionBrokerID_LeaderCountDistrib)
{
sb.AppendFormat("\t\t{0}\t{1}\r\n", KafkaConsoleUtil.GetBrokerIDAndIP(kv.Key), kv.Value);
}
sb.AppendFormat("\tBroker as replica distribution========={0}=====\r\n", topic);
sb.AppendFormat("\r\tBrokerID\tReplication count count\r\n");
foreach (KeyValuePair <int, int> kv in parttionBrokerID_ReplicaCountDistrib)
{
sb.AppendFormat("\t\t{0}\t{1}\r\n", KafkaConsoleUtil.GetBrokerIDAndIP(kv.Key), kv.Value);
}
sb.AppendFormat("\r\n");
}
}
s = sb.ToString();
}
catch (NoBrokerForTopicException e)
{
sb.AppendFormat("\r\nTopic:{0}\t ==NoBrokerForTopicException:{1}!!!== \r\n", topic, e.Message);
s = sb.ToString();
}
catch (UnableToConnectToHostException e)
{
sb.AppendFormat("\r\nTopic:{0}\t ==UnableToConnectToHostException:{1}!!!== \r\n", topic, e.Message);
s = sb.ToString();
}
catch (Exception ex)
{
Logger.ErrorFormat("Dump topic got exception:{0}\r\ninput parameter:Topic:{1}\tZookeeper:{2}\tKafka:{3}\tPartionIndex:{4}\tincludePartitionDetailInfo:{5}\tincludeOffsetInfo:{6}\ttimestamp:{7}\r\nPartial result:{8}"
, ExceptionUtil.GetExceptionDetailInfo(ex),
topic,
zookeeper,
string.Empty,
partitionIndex,
includePartitionDetailInfo,
includeOffsetInfo,
timestamp,
s);
}
return(s);
}