[ATLAS-690] Read timed out exceptions when tables are imported into Atlas.

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 0.7-incubating
• Fix Version/s: 0.7-incubating
• Environment: Atlas with External Kafka/ HBase / Solr; atlas.notification.hook.numthreads=5; ATLAS_HOOK created with 5 partitions
• Assignee: Hemanth Yamijala
• Reporter: Sharmadha S
• Created: 20/Apr/16 13:35
• Updated: 06/May/16 10:32
• Resolved: 06/May/16 10:32

Description

When 1000 tables are imported into Atlas using Hive hook,Read time out exceptions occur. This happened with the latest Atlas build with commit id : 922a83c9a10e857d54855463225e9a5c375bc2b9.
• Hive ingestion was completed in 1 minute 50 secs.
• Atlas ingestion took more than an hour .

With Last 1000 tables run that was done in Atlas with commit id :
b9575f29df3cc014f1b076abf52d88249bf4d0ef,

• Hive ingestion was completed in 3 minutes
• Atlas ingestion by 5 minutes.

The Exception stack trace :

Error handling message org.apache.atlas.notification.hook.HookNotification$EntityUpdateRequest@7474dd2d (NotificationHookConsumer:224)
com.sun.jersey.api.client.ClientHandlerException: java.net.SocketTimeoutException: Read timed out
at com.sun.jersey.client.urlconnection.URLConnectionClientHandler.handle(URLConnectionClientHandler.java:155)
at com.sun.jersey.api.client.Client.handle(Client.java:652)
at com.sun.jersey.api.client.WebResource.handle(WebResource.java:682)
at com.sun.jersey.api.client.WebResource.access$200(WebResource.java:74)
at com.sun.jersey.api.client.WebResource$Builder.method(WebResource.java:634)
at org.apache.atlas.AtlasClient.callAPIWithResource(AtlasClient.java:911)
at org.apache.atlas.AtlasClient.callAPIWithRetries(AtlasClient.java:565)
at org.apache.atlas.AtlasClient.callAPI(AtlasClient.java:935)
at org.apache.atlas.AtlasClient.updateEntities(AtlasClient.java:530)
at org.apache.atlas.notification.NotificationHookConsumer$HookConsumer.run(NotificationHookConsumer.java:216)
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:471)
at java.util.concurrent.FutureTask.run(FutureTask.java:262)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1145)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:615)
at java.lang.Thread.run(Thread.java:745)
Caused by: java.net.SocketTimeoutException: Read timed out
at java.net.SocketInputStream.socketRead0(Native Method)
at java.net.SocketInputStream.read(SocketInputStream.java:152)
at java.net.SocketInputStream.read(SocketInputStream.java:122)
at java.io.BufferedInputStream.fill(BufferedInputStream.java:235)
at java.io.BufferedInputStream.read1(BufferedInputStream.java:275)
at java.io.BufferedInputStream.read(BufferedInputStream.java:334)
at sun.net.www.http.HttpClient.parseHTTPHeader(HttpClient.java:689)
at sun.net.www.http.HttpClient.parseHTTP(HttpClient.java:633)
at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1324)
at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:468)
at com.sun.jersey.client.urlconnection.URLConnectionClientHandler._invoke(URLConnectionClientHandler.java:253)
at com.sun.jersey.client.urlconnection.URLConnectionClientHandler.handle(URLConnectionClientHandler.java:153)

Issue Links

• links to: Review board link