[Zope] ZEO Problem Clients Waiting

Gerhard Schmidt estartu at ze.tum.de
Mon Aug 7 09:54:16 EDT 2006


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.

Bye
        Estartu

----------------------------------------------------------------------------
Gerhard Schmidt    | Nick : estartu      IRC : Estartu  |
Fischbachweg 3     |                                    |  PGP Public Key
86856 Hiltenfingen | EMail: estartu at augusta.de          |  on request
Germany            |                                    |

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