[Webkit-unassigned] [Bug 29115] New: Allow multiple read transactions to run concurrently on the same DB thread

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=29115

           Summary: Allow multiple read transactions to run concurrently
                    on the same DB thread
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: New Bugs
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: dumi at chromium.org
                CC: beidson at apple.com, dglazkov at chromium.org,
                    michaeln at google.com, aroben at apple.com,
                    andersca at apple.com


Now that we have a notion of read only transactions and a way to deny all write
operations they might attempt (bug 28918), we can change the transaction
coordinator to allow multiple read transactions on the same DB thread to run
concurrently, without risking running into deadlocks (no write operations == no
exclusive locks on DB files). We should do it.

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