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Print into the log list of all running queries at the time when OOM is thrown #7861

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andrii0lomakin opened this issue Nov 1, 2017 · 4 comments
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Print into the log list of all running queries at the time when OOM is thrown #7861

andrii0lomakin opened this issue Nov 1, 2017 · 4 comments
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@andrii0lomakin @luigidellaquila
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enhancement
Milestone
2.2.30

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@andrii0lomakin
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In 99% of cases, we have got OOM because of execution of query which fetches a lot of data into the RAM. Adding such functionality will allow us to quickly detect which query was caused a problem.
@andrii0lomakin andrii0lomakin added this to the 2.2.x (next hotfix) milestone Nov 1, 2017
@luigidellaquila
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Hi @Laa
I can do the logging of the currently running queries, but we have to define the exact point where to catch OOM exceptions

Thanks

Luigi

@andrii0lomakin
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@luigidellaquila we do need that all our Threads in core or server use com.orientechnologies.common.util.OUncaughtExceptionHandler which will do all work.

@andrii0lomakin
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Thread pools have similar mechanics.

andrii0lomakin added a commit that referenced this issue Nov 8, 2017
@andrii0lomakin
Issue #7861 was fixed.
f7e1bf9
andrii0lomakin added a commit that referenced this issue Nov 9, 2017
@andrii0lomakin
Issue #7861, error during exception deserialization was fixed.
4ab760e
andrii0lomakin added a commit that referenced this issue Nov 9, 2017
@andrii0lomakin
Issue #7861, formatting of logging of OOM exception was improved.
7c2bd37
@andrii0lomakin
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Fixed.

andrii0lomakin added a commit that referenced this issue Nov 9, 2017
@andrii0lomakin
Issue #7861, error during exception deserialization was fixed.
ea8c63f
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@andrii0lomakin andrii0lomakin

@luigidellaquila luigidellaquila

Labels
enhancement
Milestone
2.2.30
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@andrii0lomakin @luigidellaquila