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From Rene Kochen <Rene.Koc...@emea.schange.com>
Subject RE: Hinted handoff question
Date Thu, 06 Oct 2011 10:40:19 GMT
Node 3 is up (using ring on node 1).

There is no HH task (active = 0, pending = 0, completed = 0, blocked = 0).

This is the log from node 1 when nodes 3 starts:

2011-10-06 12:36:54,985 INFO 12:36:54,985 Node /172.16.108.19 has restarted, now UP again
2011-10-06 12:36:54,985DEBUG 12:36:54,985 Node /172.16.108.19 state normal, token 170141183460469000000000000000000000000
2011-10-06 12:36:54,985 INFO 12:36:54,985 Node /172.16.108.19 state jump to normal
2011-10-06 12:36:54,985DEBUG 12:36:54,985 clearing cached endpoints
2011-10-06 12:36:54,985DEBUG 12:36:54,985 clearing cached endpoints
2011-10-06 12:36:54,985DEBUG 12:36:54,985 No bootstrapping or leaving nodes -> empty pending
ranges for Traxis
2011-10-06 12:36:54,985DEBUG 12:36:54,985 attempting to connect to /172.16.108.19
2011-10-06 12:37:06,672DEBUG 12:37:06,672 Disseminating load info ...
2011-10-06 12:38:06,688DEBUG 12:38:06,688 Disseminating load info ...
2011-10-06 12:39:06,703DEBUG 12:39:06,703 Disseminating load info ...

The countPendingHints on node 1 is {172.16.108.19=5176}

Thanks

Rene

From: aaron morton [mailto:aaron@thelastpickle.com]
Sent: donderdag 6 oktober 2011 12:13
To: user@cassandra.apache.org
Subject: Re: Hinted handoff question

Check that node 1 sees node 3 as UP (via ring).

Check the tpstats on node 1, is there an active HH task ?

Take another crawl through the logs.

Cheers

-----------------
Aaron Morton
Freelance Cassandra Developer
@aaronmorton
http://www.thelastpickle.com

On 6/10/2011, at 10:35 PM, Rene Kochen wrote:


I'am using Cassandra 0.7.7 and have a question about hinted handoff.

I have a cluster of three nodes.
I stop node 3.
I see that the hint count for node 3 increases on node 1 (countPendingHints = 28709).
However, when I start node 3 again, I cannot see anything in the log regarding hinted handoff
delivery.
If I look at the countPendingHints on node 1, it still says 28709.

hinted_handoff_enabled is enabled.

Thanks!


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