D8181: nodemap: add a todo list for getting out of experimental

[marmoute (Pierre-Yves David)]

Closed by commit rHG15a033cabc19: nodemap: add a todo list for getting out of 
experimental (authored by marmoute).
This revision was automatically updated to reflect the committed changes.
This revision was not accepted when it landed; it landed in state "Needs 
Review".

REPOSITORY
  rHG Mercurial

CHANGES SINCE LAST UPDATE
  https://phab.mercurial-scm.org/D8181?vs=20580=20702

CHANGES SINCE LAST ACTION
  https://phab.mercurial-scm.org/D8181/new/

REVISION DETAIL
  https://phab.mercurial-scm.org/D8181

AFFECTED FILES
  mercurial/configitems.py

CHANGE DETAILS

diff --git a/mercurial/configitems.py b/mercurial/configitems.py
--- a/mercurial/configitems.py
+++ b/mercurial/configitems.py
@@ -405,6 +405,23 @@
 coreconfigitem(
 b'devel', b'legacy.exchange', default=list,
 )
+# TODO before getting `persistent-nodemap` out of experimental
+#
+# * code/tests around aborted transaction
+# * code/tests around pending data for hooks
+# * code/tests around detection of invalid cache
+#   (eg: after strip from an incompatible client)
+# * regenerate a new nodemap when the unused/total ration is to high
+# * decide for a "status" of the persistent nodemap and associated location
+#   - part of the store next the revlog itself (new requirements)
+#   - part of the cache directory
+#   - part of an `index` directory
+# (https://www.mercurial-scm.org/wiki/ComputedIndexPlan)
+# * do we want to use this for more than just changelog? if so we need:
+#   - simpler "pending" logic for them
+#   - double check the memory story (we dont want to keep all revlog in memory)
+#   - think about the naming scheme if we are in "cache"
+# * increment the version format to "1" and freeze it.
 coreconfigitem(
 b'devel', b'persistent-nodemap', default=False,
 )



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Cc: mercurial-devel
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D8181: nodemap: add a todo list for getting out of experimental

[marmoute (Pierre-Yves David)]

marmoute added a comment.
marmoute updated this revision to Diff 20580.


  eventless rebase past D8255 

REPOSITORY
  rHG Mercurial

CHANGES SINCE LAST UPDATE
  https://phab.mercurial-scm.org/D8181?vs=20384=20580

BRANCH
  default

CHANGES SINCE LAST ACTION
  https://phab.mercurial-scm.org/D8181/new/

REVISION DETAIL
  https://phab.mercurial-scm.org/D8181

AFFECTED FILES
  mercurial/configitems.py

CHANGE DETAILS

diff --git a/mercurial/configitems.py b/mercurial/configitems.py
--- a/mercurial/configitems.py
+++ b/mercurial/configitems.py
@@ -405,6 +405,23 @@
 coreconfigitem(
 b'devel', b'legacy.exchange', default=list,
 )
+# TODO before getting `persistent-nodemap` out of experimental
+#
+# * code/tests around aborted transaction
+# * code/tests around pending data for hooks
+# * code/tests around detection of invalid cache
+#   (eg: after strip from an incompatible client)
+# * regenerate a new nodemap when the unused/total ration is to high
+# * decide for a "status" of the persistent nodemap and associated location
+#   - part of the store next the revlog itself (new requirements)
+#   - part of the cache directory
+#   - part of an `index` directory
+# (https://www.mercurial-scm.org/wiki/ComputedIndexPlan)
+# * do we want to use this for more than just changelog? if so we need:
+#   - simpler "pending" logic for them
+#   - double check the memory story (we dont want to keep all revlog in memory)
+#   - think about the naming scheme if we are in "cache"
+# * increment the version format to "1" and freeze it.
 coreconfigitem(
 b'devel', b'persistent-nodemap', default=False,
 )



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Cc: mercurial-devel
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D8181: nodemap: add a todo list for getting out of experimental

[marmoute (Pierre-Yves David)]

marmoute created this revision.
Herald added a subscriber: mercurial-devel.
Herald added a reviewer: hg-reviewers.

REVISION SUMMARY
  This is all the requirement I can think off. More might be added as they 
emerge.
  
  The first ones are mostly simple technical matters that will be taken care of
  soon. The question about the "status" of the persistent nodemap and the 
revlogs
  that will use it requires more discussion and thinking.

REPOSITORY
  rHG Mercurial

BRANCH
  default

REVISION DETAIL
  https://phab.mercurial-scm.org/D8181

AFFECTED FILES
  mercurial/configitems.py

CHANGE DETAILS

diff --git a/mercurial/configitems.py b/mercurial/configitems.py
--- a/mercurial/configitems.py
+++ b/mercurial/configitems.py
@@ -405,6 +405,23 @@
 coreconfigitem(
 b'devel', b'legacy.exchange', default=list,
 )
+# TODO before getting `persistent-nodemap` out of experimental
+#
+# * code/tests around aborted transaction
+# * code/tests around pending data for hooks
+# * code/tests around detection of invalid cache
+#   (eg: after strip from an incompatible client)
+# * regenerate a new nodemap when the unused/total ration is to high
+# * decide for a "status" of the persistent nodemap and associated location
+#   - part of the store next the revlog itself (new requirements)
+#   - part of the cache directory
+#   - part of an `index` directory
+# (https://www.mercurial-scm.org/wiki/ComputedIndexPlan)
+# * do we want to use this for more than just changelog? if so we need:
+#   - simpler "pending" logic for them
+#   - double check the memory story (we dont want to keep all revlog in memory)
+#   - think about the naming scheme if we are in "cache"
+# * increment the version format to "1" and freeze it.
 coreconfigitem(
 b'devel', b'persistent-nodemap', default=False,
 )



To: marmoute, #hg-reviewers
Cc: mercurial-devel
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