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Matthias Sohn d45219baac Persist minimal racy threshold and allow manual configuration To enable persisting the minimal racy threshold per FileStore add a new config option to the user global git configuration: - Config section is "filesystem" - Config subsection is concatenation of - Java vendor (system property "java.vendor") - Java version (system property "java.version") - FileStore's name, on Windows we use the attribute volume:vsn instead since the name is not necessarily unique. - separated by '\|' e.g. "AdoptOpenJDK\|1.8.0_212-b03\|/dev/disk1s1" The same prefix is used as for filesystem timestamp resolution, so both values are stored in the same config section - The config key for minmal racy threshold is "minRacyThreshold" as a time value, supported time units are those supported by DefaultTypedConfigGetter#getTimeUnit - measure for 3 seconds to limit runtime which depends on hardware, OS and Java version being used If the minimal racy threshold is configured for a given FileStore the configured value is used instead of measuring it. When the minimal racy threshold was measured it is persisted in the user global git configuration. Rename FileStoreAttributeCache to FileStoreAttributes since this class is now declared public in order to enable exposing all attributes in one object. Example: [filesystem "AdoptOpenJDK\|11.0.3\|/dev/disk1s1"] timestampResolution = 7000 nanoseconds minRacyThreshold = 3440 microseconds Change-Id: I22195e488453aae8d011b0a8e3276fe3d99deaea Signed-off-by: Matthias Sohn <matthias.sohn@sap.com> Also-By: Marc Strapetz <marc.strapetz@syntevo.com>	il y a 4 ans
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ant/tasks	Persist minimal racy threshold and allow manual configuration	il y a 4 ans

Matthias Sohn d45219baac Persist minimal racy threshold and allow manual configuration

To enable persisting the minimal racy threshold per FileStore add a
new config option to the user global git configuration:

- Config section is "filesystem"
- Config subsection is concatenation of
  - Java vendor (system property "java.vendor")
  - Java version (system property "java.version")
  - FileStore's name, on Windows we use the attribute volume:vsn instead
    since  the name is not necessarily unique.
  - separated by '|'
  e.g.
    "AdoptOpenJDK|1.8.0_212-b03|/dev/disk1s1"
  The same prefix is used as for filesystem timestamp resolution, so
  both values are stored in the same config section
- The config key for minmal racy threshold is "minRacyThreshold" as a
  time value, supported time units are those supported by
  DefaultTypedConfigGetter#getTimeUnit
- measure for 3 seconds to limit runtime which depends on hardware, OS
  and Java version being used

If the minimal racy threshold is configured for a given FileStore the
configured value is used instead of measuring it.

When the minimal racy threshold was measured it is persisted in the user
global git configuration.

Rename FileStoreAttributeCache to FileStoreAttributes since this class
is now declared public in order to enable exposing all attributes in one
object.

Example:

[filesystem "AdoptOpenJDK|11.0.3|/dev/disk1s1"]
	timestampResolution = 7000 nanoseconds
	minRacyThreshold = 3440 microseconds

Change-Id: I22195e488453aae8d011b0a8e3276fe3d99deaea
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
Also-By: Marc Strapetz <marc.strapetz@syntevo.com>

il y a 4 ans

ant/tasks

Persist minimal racy threshold and allow manual configuration

il y a 4 ans