Alberto Gomez created GEODE-8019:
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Summary: Extend information about what from Delta Propagation is
used in transactions
Key: GEODE-8019
URL: https://issues.apache.org/jira/browse/GEODE-8019
Project: Geode
Issue Type: Improvement
Components: docs
Reporter: Alberto Gomez
The Geode documentation says the following when talking about Delta Propagation
and transactions:
Geode also does not propagate deltas for:
* Transactional commit
...
That statement is not clear about what exactly is used from Delta Propagation
in transactions. The information should be extended to make it perfectly clear
what is used from Delta Propagation in transactions.
After a question in the Geode user list, the following answers were received
which could be used to update the documentation:
{quote}Anil,
The tx data propagation between accessor and data store (part of the
transactions) could use delta as well; and if the transaction originator does
not host the primary copy of the data, it can also use delta to update within a
transaction.
Your understanding of client/server is correct.
Regards,
Eric{quote}
Anilkumar Gingade <[email protected]>
Thu 4/23/2020 1:05 AM
{quote}{quote}Eric, Is that, the tx data propagation between peers/nodes (part
of the transactions) doesn't use delta?
Is it used when tx is originated in client (between client and server), but not
between peers....I am trying to see where delta is used.
-Anil.{quote}{quote}
On Wed, Apr 22, 2020 at 11:58 AM Eric Shu
<[[email protected]|mailto:[email protected]]> wrote:
{quote}The transaction commits on a transaction host node (primary copy for
partitioned region, or one of the copies for replicate region), the entry
operations within this commit needs to be distributed to partitioned region's
redundant copies, or other replicates for replicate region. This distribution
can not use delta propagation.
Regards,
Eric{quote}
{quote}On Wed, Apr 22, 2020 at 11:50 AM Alberto Gomez <[email protected]>
wrote:
{quote}Hi Eric,
What do you mean by "the transactional commit to the replicas can not use delta
propagation".
Thanks,
Alberto{quote}{quote}
{quote}{quote}*De:* Eric Shu <[[email protected]|mailto:[email protected]]>
*Enviado:* miércoles, 22 de abril de 2020 19:53
*Para:* [[email protected]|mailto:[email protected]]
*Asunto:* Re: Delta propagation and transactions
Hi,
Delta propagation is supported inside a transaction. I think the document is to
indicate that the distribution of the transactional commit to the replicas can
not use delta propagation.
Regards,
Eric{quote}{quote}
{quote}{quote}On Wed, Apr 22, 2020 at 9:55 AM Alberto Gomez
<[email protected]> wrote:
{quote}Hi,
According to the Geode documentation "Geode does not propagate deltas for
Transactional commit".
Is there a reason why delta propagation cannot be supported for data updated
inside transactions?
Thanks in advance,
-Alberto G.{quote}{quote}{quote}
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