Re: [sup-talk] Recovering a busted ferret db?

From: Steven Walter <stevenrwalter@gmail.com>
To: William Morgan <wmorgan-sup@masanjin.net>
Cc: sup-talk <sup-talk@rubyforge.org>
Subject: Re: [sup-talk] Recovering a busted ferret db?
Date: Fri, 30 Oct 2009 18:14:32 -0400	[thread overview]
Message-ID: <e06498070910301514ud4efe49ic0fb40d181156fab@mail.gmail.com> (raw)
In-Reply-To: <1256939095-sup-4201@masanjin.net>

On Fri, Oct 30, 2009 at 5:48 PM, William Morgan
<wmorgan-sup@masanjin.net> wrote:
> Reformatted excerpts from Steven Walter's message of 2009-10-30:
>> I think my ferret db is corrupted.  Whenever I do a tag search for a
>> specific tag, sup loads 2 messages and then hangs.  Actually, it's
>> using 100% CPU, but I have to kill -9 it; ctrl-c doesn't work.  Is
>> there any hope of fixing this without losing all my tag information?
>
> You can certainly move to the Xapian index without losing all of your
> tags. Sup-dump will output everything precious from your index.

Looks like sup-dump hangs, too.

> Is it possible you have a very large thread with that label? E.g.
> thousands of messages, all replying to each other, from some script?

Not very likely.  I could believe tens, up to a hundred; 200 at the most.

I am able to Ctrl-C sup-dump when it hangs.  Here's the ruby backtrace:

/var/lib/gems/1.8/gems/sup-0.9/lib/sup/util.rb:206:in `split': Interrupt
        from /var/lib/gems/1.8/gems/sup-0.9/lib/sup/util.rb:206:in
`split_on_commas'
        from /var/lib/gems/1.8/gems/sup-0.9/lib/sup/person.rb:108:in
`from_address_list'
        from /var/lib/gems/1.8/gems/sup-0.9/lib/sup/message.rb:104:in
`parse_header'
        from /var/lib/gems/1.8/gems/sup-0.9/lib/sup/ferret_index.rb:276:in
`build_message'
        from /usr/lib/ruby/1.8/monitor.rb:242:in `synchronize'
        from /var/lib/gems/1.8/gems/sup-0.9/lib/sup/ferret_index.rb:256:in
`build_message'
        from /var/lib/gems/1.8/gems/sup-0.9/lib/sup/index.rb:150:in
`each_message'
        from /var/lib/gems/1.8/gems/sup-0.9/lib/sup/ferret_index.rb:319:in
`each_id'
        from /var/lib/gems/1.8/gems/sup-0.9/lib/sup/ferret_index.rb:319:in `map'
        from /var/lib/gems/1.8/gems/sup-0.9/lib/sup/ferret_index.rb:319:in
`each_id'
        from /var/lib/gems/1.8/gems/sup-0.9/lib/sup/index.rb:149:in
`each_message'
        from /var/lib/gems/1.8/gems/sup-0.9/bin/sup-dump:28

-- 
-Steven Walter <stevenrwalter@gmail.com>
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