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https://issues.apache.org/jira/browse/DIRSERVER-1555?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12914029#action_12914029
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Emmanuel Lecharny commented on DIRSERVER-1555:
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Ok, even in DEBUG mode, the difference should not be that huge...
Checking on the logs, I see :
...
[14:22:33] DEBUG [org.apache.mina.core.filterchain.IoFilterEvent] - Event
MESSAGE_RECEIVED has been fired for session 1^M
[14:22:39] DEBUG [org.apache.mina.filter.codec.ProtocolCodecFilter] -
Processing a MESSAGE_RECEIVED for session 1^M
...
That means there is a 5 seconds wait between the moment we receive the first
bytes and the moment the last bytes ofr this messag have been received.
There is something really bad in your network settings, or in the way you send
data to the server. Each time a PDU is split in more than one packet, you have
a 5 seconds delay before you get the next packet, and this is the reason why it
takes so long to process.
How do you embed ADS in your code ?
> LDIF import very slow
> ----------------------
>
> Key: DIRSERVER-1555
> URL: https://issues.apache.org/jira/browse/DIRSERVER-1555
> Project: Directory ApacheDS
> Issue Type: Bug
> Affects Versions: 1.5.7
> Reporter: Jean-François Melian
> Attachments: import_groups.zip, import_users.zip, test_import.ldif,
> test_import.ldif.log, test_import.ldif.pamarcelot.log,
> test_import_157_xp.ldif.log, test_import_pamarcelot_win7.ldif.log
>
>
> I work with an embedded ApacheDS but for this test I used a standard
> standalone ApacheDS whith the system Partition :
> <systemPartition>
> <!-- use the following partitionConfiguration to override defaults for
> -->
> <!-- the system partition
> -->
> <jdbmPartition id="system" cacheSize="100" suffix="ou=system"
> optimizerEnabled="true" syncOnWrite="true">
> <indexedAttributes>
> <jdbmIndex attributeId="1.3.6.1.4.1.18060.0.4.1.2.1"
> cacheSize="100"/>
> <jdbmIndex attributeId="1.3.6.1.4.1.18060.0.4.1.2.2"
> cacheSize="100"/>
> <jdbmIndex attributeId="1.3.6.1.4.1.18060.0.4.1.2.3"
> cacheSize="100"/>
> <jdbmIndex attributeId="1.3.6.1.4.1.18060.0.4.1.2.4"
> cacheSize="100"/>
> <jdbmIndex attributeId="1.3.6.1.4.1.18060.0.4.1.2.5"
> cacheSize="10"/>
> <jdbmIndex attributeId="1.3.6.1.4.1.18060.0.4.1.2.6"
> cacheSize="10"/>
> <jdbmIndex attributeId="1.3.6.1.4.1.18060.0.4.1.2.7"
> cacheSize="10"/>
> <jdbmIndex attributeId="ou" cacheSize="100"/>
> <jdbmIndex attributeId="uid" cacheSize="100"/>
> <jdbmIndex attributeId="objectClass" cacheSize="100"/>
> </indexedAttributes>
> </jdbmPartition>
> </systemPartition>
> I have generated a ldif file : 400 users and 20 groups with 100 user per
> group
> - The 400 users have been imported rapidly :< 15 secondes for the 400 users
> => 0.03 second per user
> - The 20 groups have been imported very more slowly : : > 5 minutes
> => 15.5 seconds per group
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