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Posted to commits@cassandra.apache.org by "Benedict (JIRA)" <ji...@apache.org> on 2015/01/21 13:33:35 UTC
[jira] [Assigned] (CASSANDRA-8619) using CQLSSTableWriter gives
ConcurrentModificationException
[ https://issues.apache.org/jira/browse/CASSANDRA-8619?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Benedict reassigned CASSANDRA-8619:
-----------------------------------
Assignee: Benedict (was: Benjamin Lerer)
> using CQLSSTableWriter gives ConcurrentModificationException
> ------------------------------------------------------------
>
> Key: CASSANDRA-8619
> URL: https://issues.apache.org/jira/browse/CASSANDRA-8619
> Project: Cassandra
> Issue Type: Bug
> Components: Tools
> Environment: sun jdk 7
> linux - ubuntu
> Reporter: Igor Berman
> Assignee: Benedict
> Fix For: 2.1.3, 2.0.13
>
> Attachments: 8619, TimeSeriesCassandraLoaderTest.java
>
>
> Using CQLSSTableWriter gives ConcurrentModificationException
> I'm trying to load many timeseries into cassandra 2.0.11-1
> using 'org.apache.cassandra:cassandra-all:2.0.11'
> {noformat}
> java.util.ConcurrentModificationException
> at java.util.TreeMap$PrivateEntryIterator.nextEntry(TreeMap.java:1115)
> at java.util.TreeMap$ValueIterator.next(TreeMap.java:1160)
> at org.apache.cassandra.db.ColumnIndex$Builder.build(ColumnIndex.java:126)
> at org.apache.cassandra.io.sstable.SSTableWriter.rawAppend(SSTableWriter.java:202)
> at org.apache.cassandra.io.sstable.SSTableWriter.append(SSTableWriter.java:187)
> at org.apache.cassandra.io.sstable.SSTableSimpleUnsortedWriter$DiskWriter.run(SSTableSimpleUnsortedWriter.java:215)
> schema
> CREATE TABLE test.sample (ts_id bigint, yr int, t timestamp, v double, tgs set<varchar>, PRIMARY KEY((ts_id,yr), t)) WITH CLUSTERING ORDER BY (t DESC) AND COMPRESSION = {'sstable_compression': 'LZ4Compressor'};
> statement:
> INSERT INTO test.sample(ts_id, yr, t, v) VALUES (?,?,?,?)
> {noformat}
> with .withBufferSizeInMB(128); it happens more than with
> .withBufferSizeInMB(256);
> code based on http://planetcassandra.org/blog/using-the-cassandra-bulk-loader-updated/
> writer.addRow(tsId, year, new Date(time), value);
> Any suggestions will be highly appreciated
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