Details
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Type:
Improvement
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Status: Closed
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Priority:
Major - P3
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Resolution: Fixed
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Affects Version/s: None
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Fix Version/s: 4.4.0
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Component/s: None
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Labels:None
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Backwards Compatibility:Fully Compatible
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Sprint:Execution Team 2020-05-04, Execution Team 2020-05-18
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Linked BF Score:13
Description
I wrote a script to dump all RecoveryUnit states for all Clients in GDB, but it would be better (and I believe faster) to implement this as a proper printer in Python. The most challenging part of doing this manually from the debugger is traversing the Abseil hash set, but there is an existing utility function in our printers that would make this script even easier to implement in Python.
define mongo_dump_txns
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set $client_set = $arg0->_clients
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set $capacity = $client_set.capacity_
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set $ctrl = $client_set.ctrl_
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set $i = 0
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while ($i < $capacity)
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if ($ctrl[$i] >= 0)
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set $client = (mongo::Client*) *$client_set.slots_[$i]
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print $client
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print $client->_desc
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if ($client->_opCtx != 0)
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print $client->_opCtx
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print *(WiredTigerRecoveryUnit*)$client->_opCtx->_recoveryUnit
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end
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end
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set $i = $i + 1
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end
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end
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Attachments
Issue Links
- is duplicated by
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SERVER-52956 Add storage debug method to dump system-wide RecoveryUnit/transaction state
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- Closed
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