Hi,

looks like critical issue. Please merge to ignite-2.5 branch.

Thanks!

On Wed, May 23, 2018 at 3:28 PM, Alexey Goncharuk
<[email protected]> wrote:
> Agree, I think we should include this fix in 2.5 as well, otherwise users
> who enable WAL compaction may face data consistency issues after various
> topology restarts.
>
> ср, 23 мая 2018 г. в 12:33, Ivan Rakov <[email protected]>:
>
>> Igniters,
>>
>> Unfortunately, previous issue mentioned by Alex G. [1] has broken WAL
>> compaction in 2.5.
>> Follow up fix is already implemented and merged to master [2]. I suggest
>> to include it into 2.5 scope; any user attempt to enable compaction on
>> 2.5 (or use previously compacted WAL segments) will fail with exception
>> otherwise.
>>
>> [1] - https://issues.apache.org/jira/browse/IGNITE-8464
>> [2] - https://issues.apache.org/jira/browse/IGNITE-8561
>>
>> Best Regards,
>> Ivan Rakov
>>
>> On 17.05.2018 19:28, Denis Magda wrote:
>> > Alexey,
>> >
>> > Makes sense to merge.
>> >
>> > --
>> > Denis
>> >
>> > On Thu, May 17, 2018 at 8:53 AM, Alexey Goncharuk <
>> > [email protected]> wrote:
>> >
>> >> Denis,
>> >>
>> >> The issue with page corruption may manifest itself when a node is
>> stopped
>> >> during partition eviction (basically, a random chance on topology change
>> >> scenario).
>> >>
>> >> The issue with WAL iterator can manifest during historical rebalancing
>> >> (this is less likely than the previous issue).
>> >>
>> >> 2018-05-17 18:07 GMT+03:00 Denis Magda <[email protected]>:
>> >>
>> >>> We keep facing the issues that postpone the release over and over again
>> >>> which seems like a never-ending story.
>> >>>
>> >>> What are the changes the users come across the 2 latest bugs you've
>> >>> mentioned (any special conditions)?
>> >>>
>> >>> What's the overall state of our testing cycles? When would we send the
>> >>> release for vote if include the abovementioned bugs or move them to the
>> >>> next release?
>> >>>
>> >>> --
>> >>> Denis
>> >>>
>> >>> On Thu, May 17, 2018 at 7:44 AM, Alexey Goncharuk <
>> >>> [email protected]> wrote:
>> >>>
>> >>>> Another issue that may lead to incorrect recovery on node startup is
>> >>>> https://issues.apache.org/jira/browse/IGNITE-8464 which is already in
>> >>> PA.
>> >>>> I
>> >>>> suggest we also include it to 2.5 given that fix improves stability of
>> >>> the
>> >>>> persistence layer. Any objections?
>> >>>>
>> >>>> 2018-05-17 16:55 GMT+03:00 Ivan Rakov <[email protected]>:
>> >>>>
>> >>>>> Andrey, Igniters,
>> >>>>>
>> >>>>> I bumped into this issue while trying to reproduce another:
>> >>>>> https://issues.apache.org/jira/browse/IGNITE-8320
>> >>>>> I think, this fix worth being cherry-picked into 2.5. Possibility of
>> >>>>> AssertionError on persistence level is really undesirable for Ignite
>> >>> as a
>> >>>>> product.
>> >>>>>
>> >>>>> Best Regards,
>> >>>>> Ivan Rakov
>> >>>>>
>> >>>>>
>> >>>>> On 14.05.2018 15:59, Andrey Gura wrote:
>> >>>>>
>> >>>>>> Igniters,
>> >>>>>>
>> >>>>>> we are ready to start process of releasing Apache Ignite 2.5.
>> >>>>>>
>> >>>>>> So code freeze. No more commits to ignite-2.5 branch.
>> >>>>>>
>> >>>>>> Thanks!
>> >>>>>>
>> >>>>>>
>> >>>>>> On Thu, May 10, 2018 at 8:02 PM, Andrey Gura <[email protected]>
>> >>> wrote:
>> >>>>>>> Igniters,
>> >>>>>>>
>> >>>>>>> Almost all issues for Apache Ignite 2.5 release are fixed. Issues
>> >>> that
>> >>>>>>> are still in Open state will be moved to 2.6 release.
>> >>>>>>>
>> >>>>>>> Code freeze for ignite-2.5 branch is planed for tomorrow.
>> >>>>>>>
>> >>>>>>> Thanks!
>> >>>>>>>
>> >>>>>>> On Tue, May 8, 2018 at 7:09 PM, Andrey Gura <[email protected]>
>> >>> wrote:
>> >>>>>>>> Thanks for fast update, Ivan.
>> >>>>>>>>
>> >>>>>>>> On Tue, May 8, 2018 at 5:59 PM, Ivan Rakov <[email protected]
>> >>>>>>>> wrote:
>> >>>>>>>>
>> >>>>>>>>> Andrey,
>> >>>>>>>>>
>> >>>>>>>>> Sorry to disturb you again. I have a follow up fix for
>> >> IGNITE-8429
>> >>> -
>> >>>>>>>>> https://issues.apache.org/jira/browse/IGNITE-8453.
>> >>>>>>>>> Please merge it to master and ignite-2.5.
>> >>>>>>>>>
>> >>>>>>>>> Best Regards,
>> >>>>>>>>> Ivan Rakov
>> >>>>>>>>>
>> >>>>>>>>>
>> >>>>>>>>> On 08.05.2018 15:29, Vladimir Ozerov wrote:
>> >>>>>>>>>
>> >>>>>>>>>> H2 version updated is moved to AI 2.6. There are several serious
>> >>>>>>>>>> problems,
>> >>>>>>>>>> main - spatial dependency replacement which is a breaking
>> >> change.
>> >>>>>>>>>> On Tue, May 8, 2018 at 10:17 AM, Pavel Tupitsyn <
>> >>>> [email protected]
>> >>>>>>>>>> wrote:
>> >>>>>>>>>>
>> >>>>>>>>>> IGNITE-8434 merged to master, cherry-picked to ignite-2.5.
>> >>>>>>>>>>> Thank you, Andrey!
>> >>>>>>>>>>>
>> >>>>>>>>>>> On Mon, May 7, 2018 at 10:46 PM, Andrey Gura <[email protected]
>> >>>>>>>>>>> wrote:
>> >>>>>>>>>>>
>> >>>>>>>>>>> Pavel,
>> >>>>>>>>>>>> issue is targeted to release 2.5 now. Thanks!
>> >>>>>>>>>>>>
>> >>>>>>>>>>>> On Mon, May 7, 2018 at 10:40 PM, Pavel Tupitsyn <
>> >>>>>>>>>>>> [email protected]>
>> >>>>>>>>>>>> wrote:
>> >>>>>>>>>>>>
>> >>>>>>>>>>>>> Igniters,
>> >>>>>>>>>>>>>
>> >>>>>>>>>>>>> There is an unpleasant bug in .NET [1]:
>> >>>>>>>>>>>>> Services do not work at all on .NET Core and sometimes on
>> >>> classic
>> >>>>>>>>>>>>> .NET.
>> >>>>>>>>>>>>>
>> >>>>>>>>>>>>> I'm almost done with the fix and I think we should include it
>> >>> in
>> >>>>>>>>>>>>> 2.5.
>> >>>>>>>>>>>>>
>> >>>>>>>>>>>> Users
>> >>>>>>>>>>>>
>> >>>>>>>>>>>>> are complaining [2].
>> >>>>>>>>>>>>>
>> >>>>>>>>>>>>>
>> >>>>>>>>>>>>> [1] https://issues.apache.org/jira/browse/IGNITE-8434
>> >>>>>>>>>>>>> [2]
>> >>>>>>>>>>>>> http://apache-ignite-users.70518.x6.nabble.com/Re-
>> >>>>>>>>>>>>>
>> >>>>>>>>>>>> Service-Grid-and-net-core-2-td21318.html
>> >>>>>>>>>>>>
>> >>>>>>>>>>>>> On Mon, May 7, 2018 at 6:44 PM, Vladimir Ozerov <
>> >>>>>>>>>>>>> [email protected]>
>> >>>>>>>>>>>>> wrote:
>> >>>>>>>>>>>>>
>> >>>>>>>>>>>>> Andrey,
>> >>>>>>>>>>>>>> I realized that we missed one very important thing - H2
>> >>> version
>> >>>>>>>>>>>>> upgrade
>> >>>>>>>>>>>> [1]. This is very important thing because new version contain
>> >>>>>>>>>>>>> optimization
>> >>>>>>>>>>>>> to IN clause processing. All we need is to upgrade H2 vesion
>> >>> from
>> >>>>>>>>>>>>> 1.4.196
>> >>>>>>>>>>>>> to 1.4.197 and re-run tests. Can we target it to 2.5 release?
>> >>>>>>>>>>>>>> [1] https://issues.apache.org/jira/browse/IGNITE-4150
>> >>>>>>>>>>>>>>
>> >>>>>>>>>>>>>> On Mon, May 7, 2018 at 6:07 PM, Andrey Gura <
>> >> [email protected]
>> >>>>>>>>>>>>>> wrote:
>> >>>>>>>>>>>>>>
>> >>>>>>>>>>>>>> Ivan,
>> >>>>>>>>>>>>>>> ok, targeted to 2.5. Thanks!
>> >>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>> On Mon, May 7, 2018 at 5:24 PM, Dmitry Pavlov <
>> >>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>> [email protected]>
>> >>>>>>>>>>>> wrote:
>> >>>>>>>>>>>>>>>> Thank you, Andrey,
>> >>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>> I saw 1 more proposal in separate topic
>> >>>>>>>>>>>>>>>> http://apache-ignite-developers.2346864.n4.nabble.
>> >>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>> com/RE-Hi-can-we-squeeze-this-
>> >> into-2-5-https-issues-apache-
>> >>>>>>>>>>>>>>> org-jira-browse-IGNITE-8439-td30161.html
>> >>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>> and 1 proposal here related to ML:
>> >>>>>>>>>>>>>>>> http://apache-ignite-developers.2346864.n4.nabble.
>> >>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>> com/Apache-Ignite-2-5-release-td28927i20.html#a30155
>> >>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>> but here Yuriy Babak probably should share his opinion.
>> >>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>> Sincerely,
>> >>>>>>>>>>>>>>>> Dmitriy Pavlov
>> >>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>> пн, 7 мая 2018 г. в 17:09, Andrey Gura <[email protected]
>> >>> :
>> >>>>>>>>>>>>>>>>> Sergey, Dmitry,
>> >>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>> I've targeted your issues to 2.5 release.
>> >>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>> Thanks!
>> >>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>> On Fri, May 4, 2018 at 5:51 PM, Dmitry Pavlov <
>> >>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>> [email protected]>
>> >>>>>>>>>>>>> wrote:
>> >>>>>>>>>>>>>>>>>> I did not understand process.
>> >>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>> Is it required to receive someone reply that issue is
>> >>> agreed
>> >>>>>>>>>>>>>>>>>> to
>> >>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>> be
>> >>>>>>>>>>>>> included
>> >>>>>>>>>>>>>>>>>> into release?
>> >>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>> Or because there is no response I can cherry-pick
>> >> anything
>> >>>> to
>> >>>>>>>>>>>>>>>>> 2.5
>> >>>>>>>>>>>> hoping
>> >>>>>>>>>>>>>>>> it
>> >>>>>>>>>>>>>>>>>> is lazy consensus; no one objected.
>> >>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>> пт, 4 мая 2018 г. в 17:44, Denis Magda <
>> >> [email protected]
>> >>>> :
>> >>>>>>>>>>>>>>>>>> Igniters,
>> >>>>>>>>>>>>>>>>>>> I got lost. Were all the bugs reported in this thread
>> >>> fixed
>> >>>>>>>>>>>>>>>>>> and
>> >>>>>>>>>>>> merged
>> >>>>>>>>>>>>>>>> into
>> >>>>>>>>>>>>>>>>>>> 2.5 branch? Is there any bug which fix is still in
>> >>>> progress?
>> >>>>>>>>>>>>>>>>>>> Just want to know when the QA and bugs fixing stage is
>> >>>> over.
>> >>>>>>>>>>>>>>>>>>> --
>> >>>>>>>>>>>>>>>>>>> Denis
>> >>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>> On Thu, May 3, 2018 at 9:14 AM, Dmitry Pavlov <
>> >>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>> [email protected]
>> >>>>>>>>>>>>>>> wrote:
>> >>>>>>>>>>>>>>>>>>> Hi Andrey, Igniters,
>> >>>>>>>>>>>>>>>>>>>> I propose to include
>> >>>>>>>>>>>>>>>>>>>> https://issues.apache.org/jira/browse/IGNITE-8347
>> >>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>> fix
>> >>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>> to 2.5. It is quite isolated.
>> >>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>> Memory leak can be reproduced if node in embedded mode
>> >>> is
>> >>>>>>>>>>>>>>>>>>> restarted
>> >>>>>>>>>>>>>>> under
>> >>>>>>>>>>>>>>>>>>>> the same process (thread is alive and cleanup is not
>> >>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>> performed).
>> >>>>>>>>>>>>> Sincerely,
>> >>>>>>>>>>>>>>>>>>>> Dmitriy Pavlov
>> >>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>> сб, 28 апр. 2018 г. в 19:49, Sergey Chugunov
>> >>>>>>>>>>>>>>>>>>>> <[email protected]
>> >>>>>>>>>>>>>>>>>>>> :
>> >>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>> Igniters,
>> >>>>>>>>>>>>>>>>>>>>> I would like to include into release another critical
>> >>> bug
>> >>>>>>>>>>>>>>>>>>>> found
>> >>>>>>>>>>>>> in
>> >>>>>>>>>>>>>>>> ZooKeeper Discovery [1].
>> >>>>>>>>>>>>>>>>>>>>> Situation reproducing the error is very specific and
>> >>> rare
>> >>>>>>>>>>>>>>>>>>>> but
>> >>>>>>>>>>>>> it
>> >>>>>>>>>>>>>>> leads
>> >>>>>>>>>>>>>>>>>>>> to
>> >>>>>>>>>>>>>>>>>>>> full cluster shut down. At the same time fix for it
>> >> very
>> >>>>>>>>>>>>>>>>>>>> simple
>> >>>>>>>>>>>>> and
>> >>>>>>>>>>>>>>>> I
>> >>>>>>>>>>>>>>>>>>>> don't
>> >>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>> expect it is too risky.
>> >>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>> [1] https://issues.apache.org/
>> >> jira/browse/IGNITE-8421
>> >>>>>>>>>>>>>>>>>>>>> On Sat, Apr 28, 2018 at 6:08 PM Alexei Scherbakov <
>> >>>>>>>>>>>>>>>>>>>>> [email protected]> wrote:
>> >>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>> Guys,
>> >>>>>>>>>>>>>>>>>>>>>> Consider including this [1] to release.
>> >>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>> It's major usability issue and if not fixed now will
>> >>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>> lead
>> >>>>>>>>>>>> to
>> >>>>>>>>>>>>
>> >>>>>>>>>>>>> compatibility
>> >>>>>>>>>>>>>>>>>>>>>> issues in subsequent release.
>> >>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>> [1] https://issues.apache.org/
>> >> jira/browse/IGNITE-8418
>> >>>>>>>>>>>>>>>>>>>>>> пт, 27 апр. 2018 г. в 21:34, Andrey Gura <
>> >>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>> [email protected]>:
>> >>>>>>>>>>>>> Of course I meant bug fixes, not bugs :)
>> >>>>>>>>>>>>>>>>>>>>>>> On Fri, Apr 27, 2018 at 9:28 PM, Andrey Gura <
>> >>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>> [email protected]>
>> >>>>>>>>>>>>>>>> wrote:
>> >>>>>>>>>>>>>>>>>>>>> Eduard, Pavel,
>> >>>>>>>>>>>>>>>>>>>>>>>> mentioned bugs are good candidates for including
>> >> to
>> >>>>>>>>>>>>>>>>>>>>>>> release.
>> >>>>>>>>>>>>>>>> Targeted to 2.5.
>> >>>>>>>>>>>>>>>>>>>>>>>> Thanks!
>> >>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>> On Fri, Apr 27, 2018 at 5:06 PM, Pavel Kovalenko <
>> >>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>> [email protected]
>> >>>>>>>>>>>>>>>>>>>>> wrote:
>> >>>>>>>>>>>>>>>>>>>>>>>> Igniters,
>> >>>>>>>>>>>>>>>>>>>>>>>>> I would like to add this issue
>> >>>>>>>>>>>>>>>>>>>>>>>>> https://issues.apache.org/
>> >> jira/browse/IGNITE-8405
>> >>>>>>>>>>>>>>>>>>>>>>>> to
>> >>>>>>>>>>>> 2.5
>> >>>>>>>>>>>>>>> scope.
>> >>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>> 2018-04-27 16:59 GMT+03:00 Eduard Shangareev <
>> >>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>> [email protected]
>> >>>>>>>>>>>>>>>>>>>>>>> :
>> >>>>>>>>>>>>>>>>>>>>>>>>> Guys,
>> >>>>>>>>>>>>>>>>>>>>>>>>>> I have finished
>> >>>>>>>>>>>>>>>>>>>>>>>>>> ttps://issues.apache.org/jira/
>> >> browse/IGNITE-7628.
>> >>>>>>>>>>>>>>>>>>>>>>>>>> It looks like a good candidate to merge to 2.5.
>> >>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>> On Fri, Apr 27, 2018 at 1:32 PM, Ivan Rakov <
>> >>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>> [email protected]
>> >>>>>>>>>>>>>>>>>>>>> wrote:
>> >>>>>>>>>>>>>>>>>>>>>>>> Dmitriy,
>> >>>>>>>>>>>>>>>>>>>>>>>>>>> There are some notes about WAL compaction in
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>> "Persistence
>> >>>>>>>>>>>>>>>> Under
>> >>>>>>>>>>>>>>>>>>>> the
>> >>>>>>>>>>>>>>>>>>>>>> Hood"
>> >>>>>>>>>>>>>>>>>>>>>>>> article:
>> >>>>>>>>>>>>>>>>>>>>>>>>>> https://cwiki.apache.org/
>> >>> confluence/display/IGNITE/
>> >>>>>>>>>>>>>>>>>>>>> Ignite+
>> >>>>>>>>>>>>> Persistent+Store+-+under+the+
>> >>>>>>>>>>>>>>>>>>>>>>>>>> hood#IgnitePersistentStore-und
>> >>>>>>>>>>>>>>>> erthehood-WALcompaction
>> >>>>>>>>>>>>>>>>>>>>>>>>>>> Please take a look - it has all the answers.
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>> Best Regards,
>> >>>>>>>>>>>>>>>>>>>>>>>>>>> Ivan Rakov
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>> On 27.04.2018 2:28, Dmitriy Setrakyan wrote:
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>> On Fri, Apr 27, 2018 at 6:38 AM, Ivan Rakov <
>> >>>>>>>>>>>>>>>>>>>>>>>>>>> [email protected]>
>> >>>>>>>>>>>>>>>>>>>>>>> wrote:
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>> Folks,
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>> I have a fix for a critical issue related to
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>> WAL
>> >>>>>>>>>>>> compaction:
>> >>>>>>>>>>>>>>>>>>>> https://issues.apache.org/
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>> jira/browse/IGNITE-8393
>> >>>>>>>>>>>>> In short, if part of WAL archive is broken,
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>> attempt
>> >>>>>>>>>>>>> to
>> >>>>>>>>>>>>>>>> compress
>> >>>>>>>>>>>>>>>>>>>>> it
>> >>>>>>>>>>>>>>>>>>>>>>> may
>> >>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>> result in spamming warnings in infinite loop.
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>> I think it's also worth being included in 2.5
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>> release.
>> >>>>>>>>>>>>>>>> Let's include it, especially given that the
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>> fix
>> >>>>>>>>>>>> is
>> >>>>>>>>>>>>
>> >>>>>>>>>>>>> done.
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>> Ivan, on another note, is WAL compaction
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>> described
>> >>>>>>>>>>>>> anywhere?
>> >>>>>>>>>>>>>>>>>>>>>>>>>>> What
>> >>>>>>>>>>>>>>>>>>>>>> do we
>> >>>>>>>>>>>>>>>>>>>>>>>> do
>> >>>>>>>>>>>>>>>>>>>>>>>>>>> internally to compact WAL and by what factor
>> >>>>>>>>>>>>>>>>>>>>>>>>>>> are
>> >>>>>>>>>>>> we
>> >>>>>>>>>>>>
>> >>>>>>>>>>>>> able
>> >>>>>>>>>>>>>>>> to
>> >>>>>>>>>>>>>>>>>>>>>>>>>>> reduce
>> >>>>>>>>>>>>>>>>>>>>>> the
>> >>>>>>>>>>>>>>>>>>>>>>>> WAL
>> >>>>>>>>>>>>>>>>>>>>>>>>>>> file size?
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>> D.
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>>>> --
>> >>>>>>>>>>>>>>>>>>>>>>>>>> Best regards,
>> >>>>>>>>>>>>>>>>>>>>>>>>>> Eduard.
>> >>>>>>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>>>>> --
>> >>>>>>>>>>>>>>>>>>>>>> Best regards,
>> >>>>>>>>>>>>>>>>>>>>>> Alexei Scherbakov
>> >>>>>>>>>>>>>>>>>>>>>>
>> >>>>>>>>>>>>>>>>>>>>>>
>>
>>

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