Crashes and hangs with remote tables #6289
Last updated: 2017-07-17 16:07:29 +0200
Date: 2017-04-21 13:32:13 +0200
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_4) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/57.0.2987.133 Safari/537.36
I have a MERGE TABLE which includes a REMOTE TABLE.
Attached a shell script and some sql files. In demo.sh, you can
The script assumes a running monetdbd with two databases foo and bar.
The result varies by platform and table width.
So this is probably a memory corruption error.
Steps to Reproduce:
See above: a crash, a hang or garbage errors
a query result.
Date: 2017-04-21 15:17:50 +0200
Created attachment 550
Date: 2017-04-30 23:27:41 +0200
if exists isn't supported on the released versions yet
a test without monetdbd shows no problems (on fedora)
Date: 2017-05-02 14:02:25 +0200
You're right, I was actually testing on 'default', not a released version.
I still see the behaviour on OS X and Ubuntu, with and without monetdbd.
Date: 2017-06-28 10:57:44 +0200
For complete details, see http//devmonetdborg/hg/MonetDB?cmd=changeset;node=ec29ede4f97c
Date: 2017-06-28 11:00:49 +0200
fixed the problem in rel_read
Date: 2017-06-28 13:21:26 +0200
Created attachment 553
Another test case
Date: 2017-06-28 13:24:57 +0200
Unfortunately, I still get failures with MERGE tables.
On Linux (rocks085) this script yields
On OS X it's slightly different:
This continues for quite a while, ending in
Note these error messages about the DDL occur when querying the merge table.
Date: 2017-07-03 20:51:39 +0200
fixed a problem in RMTput, ie buffer to small
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