Memory leak in FB2.5 trace plugin [CORE2934] #3317
Comments
Modified by: Denis Nosov (dens256)security: Developers [ 10012 ] => |
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Commented by: @hvlad Can't reproduce. Are you sure you used fresh snapshot build ? There was few memory leaks fixed recently |
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Commented by: @dyemanov I cannot reproduce it either (build 2.5.0.25958 on Windows 7, SuperClassic mode). |
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Commented by: Denis Nosov (dens256) I rechecked. For reproduce add line in firebird.conf: fbtrace.conf is default (from snapshot build). Memory leak occurs not only on SuperClassic, but also on SuperServer. |
Modified by: @hvladassignee: Vlad Khorsun [ hvlad ] |
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Commented by: @hvlad Better reflect nature of bug |
Modified by: @hvladVersion: 2.5 RC1 [ 10362 ] Version: 2.5 Beta 2 [ 10300 ] Version: 2.5 Beta 1 [ 10251 ] summary: Memory leak in FB2.5 SuperClassic => Memory leak in FB2.5 trace plugin |
Modified by: @hvladstatus: Open [ 1 ] => Resolved [ 5 ] resolution: Fixed [ 1 ] Fix Version: 2.5 RC3 [ 10381 ] Fix Version: 3.0 Alpha 1 [ 10331 ] |
Modified by: @pcisarstatus: Resolved [ 5 ] => Closed [ 6 ] |
Submitted by: Denis Nosov (dens256)
When connecting / disconnecting, not all memory is freed. After a few thousand connections memory ends and the server process crashed.
_input.sql:
select count(*) from rdb$database;
exit;
test.bat:
@echo off
:mc
isql -u SYSDBA -p masterke -i _input.sql -o _output.txt "localhost:d:\Program Files\Firebird\Firebird_2_5\examples\empbuild\employee.fdb"
goto mc
After 30 minutes of execution, the console message appears:
Statement failed, SQLSTATE = HY001
unable to allocate memory from operating system
After line 0 in file _input.sql
Commits: b8bffbd fb9c2a4 ff4e296 86051b0 26faad3 057bd7a b9ea5ee
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