"stable storage"

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"stable storage"

Bruce Momjian
I know we talk about durability a lot, but it seems we mention "stable
storage" much more often than "durable storage" in our docs:

        $ grep 'stable storage' *.sgml
        config.sgml:        necessarily reached stable storage on the standby.
        monitoring.sgml:       stable storage.</entry>
        monitoring.sgml:       to reach stable storage.</entry>
        monitoring.sgml:      <entry>Waiting for a relation data file to reach stable storage.</entry>
        monitoring.sgml:       stable storage.</entry>
        monitoring.sgml:      <entry>Waiting for changes to a relation data file to reach stable storage.</entry>
        monitoring.sgml:      <entry>Waiting for data to reach stable storage while adding a line to the
        monitoring.sgml:      <entry>Waiting for data to reach stable storage while creating the data
        monitoring.sgml:      <entry>Waiting for logical rewrite mappings to reach stable storage
        monitoring.sgml:      <entry>Waiting for mapping data to reach stable storage during a logical
        monitoring.sgml:      <entry>Waiting for the relation map file to reach stable storage.</entry>
        monitoring.sgml:      <entry>Waiting for a replication slot control file to reach stable storage
        monitoring.sgml:      <entry>Waiting for SLRU data to reach stable storage during a checkpoint
        monitoring.sgml:      <entry>Waiting for SLRU data to reach stable storage following a page
        monitoring.sgml:       stable storage.</entry>
        monitoring.sgml:       replication to reach stable storage.</entry>
        monitoring.sgml:      <entry>Waiting for a two phase state file to reach stable storage.</entry>
        monitoring.sgml:      <entry>Waiting for WAL to reach stable storage during
        monitoring.sgml:       reach stable storage.</entry>
        monitoring.sgml:      <entry>Waiting for a WAL file to reach stable storage.</entry>
        monitoring.sgml:      <entry>Waiting for data to reach stable storage while assigning a new
       
        $ grep 'durable storage' *.sgml
        config.sgml:        kernel to durable storage.  This can be done while the cluster
        func.sgml:    location known to be written to durable storage. The write location is the

Is "stable storage" the same as "durable storage"?  Should we rename
"stable storage" mentions to "durable storage"?

--
  Bruce Momjian  <[hidden email]>        https://momjian.us
  EnterpriseDB                             https://enterprisedb.com

  The usefulness of a cup is in its emptiness, Bruce Lee



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Re: "stable storage"

Bruce Momjian
On Mon, Aug 17, 2020 at 12:52:22PM -0400, Bruce Momjian wrote:
> I know we talk about durability a lot, but it seems we mention "stable
> storage" much more often than "durable storage" in our docs:
...
> Is "stable storage" the same as "durable storage"?  Should we rename
> "stable storage" mentions to "durable storage"?

I have developed the attached doc patch to change "stable storage" to
"durable storage".

--
  Bruce Momjian  <[hidden email]>        https://momjian.us
  EnterpriseDB                             https://enterprisedb.com

  The usefulness of a cup is in its emptiness, Bruce Lee


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Re: "stable storage"

Peter Geoghegan-4
On Fri, Aug 21, 2020 at 3:12 PM Bruce Momjian <[hidden email]> wrote:
> > Is "stable storage" the same as "durable storage"?  Should we rename
> > "stable storage" mentions to "durable storage"?
>
> I have developed the attached doc patch to change "stable storage" to
> "durable storage".

I agree that this is an improvement. The word "durable" is more
descriptive than "stable". (The word "stable" might be more
recognizable, but that in itself doesn't make the text any clearer.)

--
Peter Geoghegan


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Re: "stable storage"

Stephen Frost
Greetings,

* Peter Geoghegan ([hidden email]) wrote:

> On Fri, Aug 21, 2020 at 3:12 PM Bruce Momjian <[hidden email]> wrote:
> > > Is "stable storage" the same as "durable storage"?  Should we rename
> > > "stable storage" mentions to "durable storage"?
> >
> > I have developed the attached doc patch to change "stable storage" to
> > "durable storage".
>
> I agree that this is an improvement. The word "durable" is more
> descriptive than "stable". (The word "stable" might be more
> recognizable, but that in itself doesn't make the text any clearer.)
+1.

Thanks,

Stephen

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Re: "stable storage"

Bruce Momjian
On Fri, Aug 21, 2020 at 11:44:44PM -0400, Stephen Frost wrote:

> Greetings,
>
> * Peter Geoghegan ([hidden email]) wrote:
> > On Fri, Aug 21, 2020 at 3:12 PM Bruce Momjian <[hidden email]> wrote:
> > > > Is "stable storage" the same as "durable storage"?  Should we rename
> > > > "stable storage" mentions to "durable storage"?
> > >
> > > I have developed the attached doc patch to change "stable storage" to
> > > "durable storage".
> >
> > I agree that this is an improvement. The word "durable" is more
> > descriptive than "stable". (The word "stable" might be more
> > recognizable, but that in itself doesn't make the text any clearer.)
>
> +1.
>
> Thanks,

Applied.

--
  Bruce Momjian  <[hidden email]>        https://momjian.us
  EnterpriseDB                             https://enterprisedb.com

  The usefulness of a cup is in its emptiness, Bruce Lee