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HBase, mail # user - max regionserver handler count


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Viral Bajaria 2013-04-28, 20:30
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Ted Yu 2013-04-28, 22:19
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Viral Bajaria 2013-04-29, 01:39
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ramkrishna vasudevan 2013-04-29, 02:37
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Viral Bajaria 2013-04-29, 09:17
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Ted Yu 2013-04-29, 09:25
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Re: max regionserver handler count
Viral Bajaria 2013-04-29, 09:36
On Mon, Apr 29, 2013 at 2:25 AM, Ted Yu <[EMAIL PROTECTED]> wrote:

> I noticed the 8 occurrences of 0x703e... following region server name in
> the abort message.
> I wonder why the repetition ?
>
> Cheers
>

Oh good observation. I just stepped through the logs again and saw that the
client timeout occurred 8 times before that exception. Maybe that explains
the repetitive occurrence, but that is definitely weird ? Logs pasted below.

-Viral

===logs==2013-04-29 07:41:03,227 INFO
org.apache.hadoop.hbase.regionserver.HRegionServer: Serving as
regionserver1,60020,1367221255417, RPC listening on regionserver1/
10.155.234.3:60020, sessionid=0x703e48a8cfd81be6
2013-04-29 07:41:03,228 INFO
org.apache.hadoop.hbase.regionserver.SplitLogWorker: SplitLogWorker
regionserver1,60020,1367221255417 starting
2013-04-29 07:41:03,230 INFO
org.apache.hadoop.hbase.regionserver.HRegionServer: Registered RegionServer
MXBean
2013-04-29 07:41:05,967 INFO org.apache.hadoop.hbase.util.ChecksumType:
Checksum can use java.util.zip.CRC32
2013-04-29 07:43:47,739 INFO org.apache.zookeeper.ClientCnxn: Client
session timed out, have not heard from server in 27868ms for sessionid
0x703e48a8cfd81be6, closing socket connection and attempting reconnect
2013-04-29 07:43:48,776 INFO org.apache.zookeeper.ClientCnxn: Opening
socket connection to server 10.165.33.180:2181. Will not attempt to
authenticate using SASL (Unable to locate a login configuration)
2013-04-29 07:43:48,777 INFO org.apache.zookeeper.ClientCnxn: Socket
connection established to 10.165.33.180:2181, initiating session
2013-04-29 07:43:48,782 INFO org.apache.zookeeper.ClientCnxn: Session
establishment complete on server 10.165.33.180:2181, sessionid 0x703e48a8cfd81be6, negotiated timeout = 40000
2013-04-29 07:44:28,337 INFO org.apache.zookeeper.ClientCnxn: Client
session timed out, have not heard from server in 39427ms for sessionid
0x703e48a8cfd81be6, closing socket connection and attempting reconnect
2013-04-29 07:44:28,735 INFO org.apache.zookeeper.ClientCnxn: Opening
socket connection to server 10.152.152.84:2181. Will not attempt to
authenticate using SASL (Unable to locate a login configuration)
2013-04-29 07:44:28,736 INFO org.apache.zookeeper.ClientCnxn: Socket
connection established to 10.152.152.84:2181, initiating session
2013-04-29 07:44:28,738 INFO org.apache.zookeeper.ClientCnxn: Session
establishment complete on server 10.152.152.84:2181, sessionid 0x703e48a8cfd81be6, negotiated timeout = 40000
2013-04-29 07:46:29,080 DEBUG
org.apache.hadoop.hbase.io.hfile.LruBlockCache: Stats: total=98.34 MB,
free=11.61 GB, max=11.71 GB, blocks=0, accesses=0, hits=0, hitRatio=0,
cachingAccesses=0, cachingHits=0, cachingHitsRatio=0, evictions=0,
evicted=0, evictedPerRun=NaN
2013-04-29 07:46:29,174 INFO org.apache.zookeeper.ClientCnxn: Client
session timed out, have not heard from server in 40354ms for sessionid
0x703e48a8cfd81be6, closing socket connection and attempting reconnect
2013-04-29 07:46:29,682 INFO org.apache.zookeeper.ClientCnxn: Opening
socket connection to server 10.147.128.158:2181. Will not attempt to
authenticate using SASL (Unable to locate a login configuration)
2013-04-29 07:46:29,682 INFO org.apache.zookeeper.ClientCnxn: Socket
connection established to 10.147.128.158:2181, initiating session
2013-04-29 07:46:29,684 INFO org.apache.zookeeper.ClientCnxn: Session
establishment complete on server 10.147.128.158:2181, sessionid 0x703e48a8cfd81be6, negotiated timeout = 40000
2013-04-29 07:49:10,404 INFO org.apache.zookeeper.ClientCnxn: Client
session timed out, have not heard from server in 39876ms for sessionid
0x703e48a8cfd81be6, closing socket connection and attempting reconnect
2013-04-29 07:49:11,503 INFO org.apache.zookeeper.ClientCnxn: Opening
socket connection to server 10.165.33.180:2181. Will not attempt to
authenticate using SASL (Unable to locate a login configuration)
2013-04-29 07:49:11,504 INFO org.apache.zookeeper.ClientCnxn: Socket
connection established to 10.165.33.180:2181, initiating session
2013-04-29 07:49:11,506 INFO org.apache.zookeeper.ClientCnxn: Session
establishment complete on server 10.165.33.180:2181, sessionid 0x703e48a8cfd81be6, negotiated timeout = 40000
2013-04-29 07:51:11,462 DEBUG
org.apache.hadoop.hbase.io.hfile.LruBlockCache: Stats: total=98.34 MB,
free=11.61 GB, max=11.71 GB, blocks=0, accesses=0, hits=0, hitRatio=0,
cachingAccesses=0, cachingHits=0, cachingHitsRatio=0, evictions=0,
evicted=0, evictedPerRun=NaN
2013-04-29 07:53:52,158 INFO org.apache.zookeeper.ClientCnxn: Client
session timed out, have not heard from server in 40195ms for sessionid
0x703e48a8cfd81be6, closing socket connection and attempting reconnect
2013-04-29 07:53:52,555 INFO org.apache.zookeeper.ClientCnxn: Opening
socket connection to server 10.152.152.84:2181. Will not attempt to
authenticate using SASL (Unable to locate a login configuration)
2013-04-29 07:53:52,556 INFO org.apache.zookeeper.ClientCnxn: Socket
connection established to 10.152.152.84:2181, initiating session
2013-04-29 07:53:52,558 INFO org.apache.zookeeper.ClientCnxn: Session
establishment complete on server 10.152.152.84:2181, sessionid 0x703e48a8cfd81be6, negotiated timeout = 40000
2013-04-29 07:55:53,052 INFO org.apache.zookeeper.ClientCnxn: Client
session timed out, have not heard from server in 26955ms for sessionid
0x703e48a8cfd81be6, closing socket connection and attempting reconnect
2013-04-29 07:55:53,444 INFO org.apache.zookeeper.ClientCnxn: Opening
socket connection to server 10.147.128.158:2181. Will not attempt to
authenticate using SASL (Unable to locate a login configuration)
2013-04-29 07:55:53,444 INFO org.apache.zookeeper.ClientCnxn: Socket
connection established to 10.147.128.158:2181, initiating session
2013-04-29 07:55:53,446 INFO org.apache.zookeeper.ClientCnxn: Session
establishment complete on server 10.147.128.158:2181, sessionid 0x703e48a8cfd81be6, negotiated timeout = 40000
2013-04-29 07:55:55,512 DEBUG
org.apache.hadoop.hbase.io.hfile.
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Ted Yu 2013-04-29, 09:49
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Viral Bajaria 2013-04-29, 20:23
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Viral Bajaria 2013-04-30, 03:48
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Ted Yu 2013-04-30, 04:43
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Viral Bajaria 2013-04-30, 06:10
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Anoop John 2013-04-30, 06:29
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Viral Bajaria 2013-04-30, 06:42
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Anoop John 2013-04-30, 07:03
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Viral Bajaria 2013-04-30, 09:52