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Re: [mat-dev] MAT Status Update and Next Steps
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You need to do a release/graduation review prior to making a 1.0 release
available.
Wayne
Tsvetkov, Krum wrote:
The tentative date we set for graduation and releasing a 1.0 version
tomorrow (1 April) and we won’t be able to keep to it.
Here is a short summary of what has been done, and also a short plan
how we are going to continue. Some of the initially planned
improvements need to be postponed for a later release.
1. List of Closed Bugzilla Entries:
Bugfixes:
278367 The archive file doesn't become an English name.
231296 Wrong sizes reported for instances with a single byte field
301664 Add javadoc to IStackFrame and IThreadStack
301228 Allow variable sizes simple objects
301543 No objects shown in top of stack
301970 DTFJParser retries opening bad dumps
303596 Avoid CorruptDataException when opening truncated javacore
269165 Minor documentation problems
281622 The unreachable_objects view is broken
300676 Improve information about available queries
303444 Run Report fails with spaces in report xml directory names
Keyboard support:
306803 Not possible to traverse the Overview Pane with the TAB key
306810 Cannot navigate in the HTML report browser using keyboard
307031 Cannot resize and reorder result columns in MAT using keyboard
307176 Using Enter in the Snapshot History View has doesn't open the
snapshot
2. New Features Status:
Improved Comparison Features within MAT
(Bug 298078: Comparison Features in MAT
https://bugs.eclipse.org/bugs/show_bug.cgi?id=298078)
- It is possible already to add two or more arbitrary table-results to
a “Compare Basket”, reorder them, and compare the them.
- One can choose different display options – absolute values, delta to
the bases and delta to the value in the preceding table (if more than
two tables are compared)
- One can select which columns should be shown
- There are still open topics, check the bugzilla entry for more details.
Trigger heap dump from MAT
(Bug 229449: Add Memory Dump Button
https://bugs.eclipse.org/bugs/show_bug.cgi?id=229449)
- There is an extension point IHeapDump provider defined
- Implementation calling external processes ‘jps’ and ‘jmap’ is
provided (works with Sun VMs)
- Implementation for triggering heap dumps from IBM JVMs is provided
- there is an open CQ for compiling the IBM heap dump provider plugin
against classes from the IBM JDKs. If we are ready with the rest and
the CQ is not processed, this plugin will be left for the next
possible version
3. Open topics
3.1. “Polish” the already developed comparison features
- add derived columns to the comparison (e.g. retained size)
- sorting and filtering get lost if a compared column is
activated/deactivated
- an own icon is for choosing the compared columns is needed
3.2. Trigger heap dump from MAT
(Bug 229449: Add Memory Dump Button
https://bugs.eclipse.org/bugs/show_bug.cgi?id=229449)
- need to better define the use cases and API for using the heap dump
providers programmatically
3.3 API
- add to the ISnapshot a method for computing the reachable set
- add API for computing paths between arbitrary objects (not just from
the GC roots)
- we need to better define the use cases and API for reusing queries
and results from queries programmatically
3.4 Documentation
- review documentation for outdated information / images
- create New & Noteworthy
3.5 Process and Docuware
- create slides for the review
- submit IP log
- schedule a review
3.6 Milestones
- need to provide preview downloadable for the new version
- push the latest version into Helios with M7 (M6 still contains our
version from Galileo)
3.7. Open Helios Topics
- need to document accessibility compliance
- need to provide API usage report
- need to provide “capabilities”
- need to document build procedure
- need to document unit tests and execution
- need to document our API policy
- need to document retention policy
- need to provide project metrics
4. Plan
- Create a milestone build and publish it as a preview, so that we
have the chance to get some feedback – week 14
- submit IP log (the IBM heap dump provider plugin is likely to be
excluded)
- Keep working on open MAT topics (3.1 to 3.5)
- once the IP Log is processed – try to get a date for graduation review
- work on open Helios related topics (3.7 - mostly documenting things)
- provide milestone build for M7 of Helios – May 7
- bugfixing (Helios RC1 is May 21)
- only do urgent fixes for the rest of the Helios RCs
Comments on any of the parts are welcome!
*Krum Tsvetkov*
*SAP AG*
www.sap.com <http://www.sap.com/>
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