Thanks!
On Thu, Jun 14, 2018 at 2:00 AM, Alexey Goncharuk <
[hidden email]> wrote:
> John,
>
> The page is moved between FreeList buckets synchronously during the
> corresponding cache entry update, so it is the part of cache.put() or
> cache.remove() operation.
>
> ср, 13 июн. 2018 г. в 2:32, Denis Magda <
[hidden email]>:
>
> > Whenever you add or remove an entry, it changes the size of a page which
> > can lead to page movement between free list. According to this page, the
> > page defragmentation/compaction happens in the background and when a
> > threshold is met:
> >
https://apacheignite.readme.io/docs/memory-defragmentation> >
> > Hope Ignite persistence experts can shine more light on this.
> >
> > --
> > Denis
> >
> > On Tue, Jun 12, 2018 at 3:12 PM John Wilson <
[hidden email]>
> > wrote:
> >
> > > thanks. But *when* does that happen - i.e. when is the decision made to
> > > move pages? Is this part of the cache.put path or a separate thread?
> > >
> > > On Tue, Jun 12, 2018 at 1:03 PM, Denis Magda <
[hidden email]>
> wrote:
> > >
> > > > A page is moved between free lists that used to track pages of
> similar
> > > free
> > > > space left:
> > > >
> > >
> >
https://apacheignite.readme.io/docs/memory-architecture#> section-free-lists
> > > >
> > > > --
> > > > Denis
> > > >
> > > >
> > > > On Tue, Jun 12, 2018 at 12:35 PM John Wilson <
>
[hidden email]>
> > > > wrote:
> > > >
> > > > > Hi,
> > > > >
> > > > > How does Ignite free unused pages? Is there some kind of background
> > > > thread
> > > > > process that scans unused pages?
> > > > >
> > > > > Thanks,
> > > > >
> > > >
> > >
> >
>
Locked
