[Zope] Re: ZEO Problem Clients Waiting

Tres Seaver tseaver at palladion.com
Mon Aug 7 10:21:10 EDT 2006


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Gerhard Schmidt wrote:
> HI,
> 
> we have quite a Problem with out Zope/Zeo system. We run at the moment
> Zope cluster with 10 application servers and a zeo server with
> Filestorage. Our Data.fs is 3.5 Gig at the moment (after Pack).
> 
> I runs most of the time without problem. But sometimes things screw up
> 
> 2006-08-07T14:29:19 INFO ZEO.StorageServer (97002/10.152.64.23:52518)
> Transaction
> +blocked waiting for storage. Clients waiting: 1.
> 2006-08-07T14:29:29 INFO ZEO.StorageServer (97002/10.152.64.18:60205)
> Transaction
> +blocked waiting for storage. Clients waiting: 2.
> 2006-08-07T14:29:39 INFO ZEO.StorageServer (97002/10.152.64.19:55021)
> Transaction
> +blocked waiting for storage. Clients waiting: 3.
> 2006-08-07T14:29:39 INFO ZEO.StorageServer (97002/10.152.64.15:62775)
> Transaction
> +blocked waiting for storage. Clients waiting: 4.
> 2006-08-07T14:29:41 INFO ZEO.StorageServer (97002/10.152.64.22:59407)
> Transaction
> +blocked waiting for storage. Clients waiting: 5.
> 2006-08-07T14:29:41 INFO ZEO.StorageServer (97002/10.152.64.20:51153) Transaction blocked waiting for storage. Clients waiting: 6.
> 2006-08-07T14:29:41 INFO ZEO.StorageServer (97002/10.152.64.21:52951) Transaction blocked waiting for storage. Clients waiting: 7.
> 2006-08-07T14:29:41 INFO ZEO.StorageServer (97002/10.152.64.14:53919) Transaction blocked waiting for storage. Clients waiting: 8.
> 2006-08-07T14:29:41 INFO ZEO.StorageServer (97002/10.152.64.17:54463) Transaction blocked waiting for storage. Clients waiting: 9.
> 2006-08-07T14:29:47 INFO ZEO.StorageServer (97002/10.152.64.16:53743) Blocked transaction restarted.  Clients waiting: 8
> 2006-08-07T14:29:47 INFO ZEO.StorageServer (97002/10.152.64.23:52518) Blocked transaction restarted.  Clients waiting: 7
> 2006-08-07T14:29:48 INFO ZEO.StorageServer (97002/10.152.64.23:52518) Transaction blocked waiting for storage. Clients waiting: 8.
> 2006-08-07T14:29:48 INFO ZEO.StorageServer (97002/10.152.64.18:60205) Blocked transaction restarted.  Clients waiting: 7
> 2006-08-07T14:29:48 INFO ZEO.StorageServer (97002/10.152.64.19:55021) Blocked transaction restarted.  Clients waiting: 6
> 2006-08-07T14:29:48 INFO ZEO.StorageServer (97002/10.152.64.15:62775) Blocked transaction restarted.  Clients waiting: 5
> 2006-08-07T14:29:48 INFO ZEO.StorageServer (97002/10.152.64.22:59407) Blocked transaction restarted.  Clients waiting: 4
> 2006-08-07T14:29:48 INFO ZEO.StorageServer (97002/10.152.64.20:51153) Blocked transaction restarted.  Clients waiting: 3
> 2006-08-07T14:29:48 INFO ZEO.StorageServer (97002/10.152.64.21:52951) Blocked transaction restarted.  Clients waiting: 2
> 2006-08-07T14:29:48 INFO ZEO.StorageServer (97002/10.152.64.16:53743) Transaction blocked waiting for storage. Clients waiting: 3.
> 2006-08-07T14:29:49 INFO ZEO.StorageServer (97002/10.152.64.14:53919) Blocked transaction restarted.  Clients waiting: 2
> 2006-08-07T14:29:50 INFO ZEO.StorageServer (97002/10.152.64.17:54463) Blocked transaction restarted.  Clients waiting: 1
> 2006-08-07T14:29:50 INFO ZEO.StorageServer (97002/10.152.64.23:52518) Blocked transaction restarted.
> 
> This one was a very quick one only 30 seconds. I have Blocked Transaktion
> that ware waiting for more than 2 minutes.
> 
> When there a 9 Clients waiting our complete Zopesite comes to a halt until
> the transaction is restarted.
> 
> As im not realy deep in the ZODB/ZEO subject. Can anybody pinpoint me where
> to look for the Problem.

I think I would re-post your message over on the zodb-dev list, where
the folks hang out who actually know this stuff. ;)


Tres.
- --
===================================================================
Tres Seaver          +1 202-558-7113          tseaver at palladion.com
Palladion Software   "Excellence by Design"    http://palladion.com
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