[teiid-issues] [JBoss JIRA] (TEIID-5658) PG transport can deliver messages out of order
Steven Hawkins (Jira)
issues at jboss.org
Thu Feb 14 10:36:01 EST 2019
[ https://issues.jboss.org/browse/TEIID-5658?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13695572#comment-13695572 ]
Steven Hawkins commented on TEIID-5658:
---------------------------------------
This seems to be addressed as suggested in the issue - don't directly call write, just queue everything with the event loop.
> PG transport can deliver messages out of order
> ----------------------------------------------
>
> Key: TEIID-5658
> URL: https://issues.jboss.org/browse/TEIID-5658
> Project: Teiid
> Issue Type: Bug
> Components: ODBC
> Reporter: Steven Hawkins
> Assignee: Steven Hawkins
> Priority: Major
> Fix For: 12.1, 12.0.1, 11.2.3
>
>
> Although it is not apparent in our logs, we are delivering response messages out of order.
> From our logs we have:
> 2019-02-14 08:18:12.476 org.teiid.ODBC TRACE NIO1 invoking server method: prepare [, select 3 from pg_class where relname='pg_class', []]
> 2019-02-14 08:18:12.476 org.teiid.ODBC TRACE NIO1 invoking client method: org.teiid.transport.ODBCClientInstance at 6064753f prepareCompleted []
> 2019-02-14 08:18:12.48 org.teiid.ODBC TRACE NIO1 invoking server method: bindParameters [, , [], 0, null, UTF-8]
> 2019-02-14 08:18:12.481 org.teiid.ODBC TRACE NIO1 invoking client method: org.teiid.transport.ODBCClientInstance at 6064753f bindComplete null
> 2019-02-14 08:18:12.481 org.teiid.ODBC TRACE NIO1 invoking server method: getResultSetMetaDataDescription []
> 2019-02-14 08:18:12.481 org.teiid.ODBC TRACE NIO1 invoking client method: org.teiid.transport.ODBCClientInstance at 6064753f sendResultSetDescription [[org.teiid.odbc.PGUtil$PgColInfo at 333d1d1b], null]
> 2019-02-14 08:18:12.481 org.teiid.ODBC TRACE NIO1 invoking server method: execute [, 0]
> 2019-02-14 08:18:12.484 org.teiid.ODBC TRACE NIO1 invoking client method: org.teiid.transport.ODBCClientInstance at 6064753f sendResults [null, org.teiid.jdbc.ResultSetImpl at 4516a1a2, [org.teiid.odbc.PGUtil$PgColInfo at 333d1d1b], org.teiid.client.util.ResultsFuture at 1e98b9de, FORWARD, -1, false, null]
> 2019-02-14 08:18:12.486 org.teiid.ODBC TRACE Worker2_QueryProcessorQueue211 invoking client method: org.teiid.transport.ODBCClientInstance at 6064753f sendCommandComplete [select 3 from pg_class where relname='pg_class', [1]]
> 2019-02-14 08:18:12.486 org.teiid.ODBC TRACE NIO1 invoking server method: sync null
> 2019-02-14 08:18:12.486 org.teiid.ODBC TRACE NIO1 invoking client method: org.teiid.transport.ODBCClientInstance at 6064753f ready [false, false]
> 2019-02-14 08:18:12.486 org.teiid.ODBC TRACE Worker0_QueryProcessorQueue212 invoking client method: org.teiid.transport.ODBCClientInstance at 3e802be1 ready [false, false]
> At the network level we see ready delivered before the data row.
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