| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | ITAGAKI Takahiro <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp> |
| Cc: | pgsql-hackers(at)postgresql(dot)org, Heikki Linnakangas <heikki(at)enterprisedb(dot)com>, Simon Riggs <simon(at)2ndquadrant(dot)com> |
| Subject: | Re: [PATCHES] Fix mdsync never-ending loop problem |
| Date: | 2007-04-06 06:37:15 |
| Message-ID: | 392.1175841435@sss.pgh.pa.us |
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| Lists: | pgsql-hackers pgsql-patches |
ITAGAKI Takahiro <itagaki(dot)takahiro(at)oss(dot)ntt(dot)co(dot)jp> writes:
> In my understanding from the discussion, we'd better to take "cycle ID"
> approach instead of "making a copy of pendingOpsTable", because duplicated
> table is hard to debug and requires us to pay attention not to leak memories.
> I'll adopt the cycle ID approach and build LDC on it as a separate patch.
Heikki made some reasonable arguments against the cycle-ID idea. I'm
not intending to insist on it ...
I do think there are multiple issues here and it'd be better to try
to separate the fixes into different patches.
regards, tom lane
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