RFR: 8262386: resourcehogs/serviceability/sa/TestHeapDumpForLargeArray.java timed out [v12]

[Lin Zang]

> 8262386: resourcehogs/serviceability/sa/TestHeapDumpForLargeArray.java timed out

Lin Zang has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains 16 additional commits since the last revision:

 - Merge branch 'master' into s-fix
 - add comment for the timestamp value
 - Merge branch 'master' into s-fix
 - Fix typo and add comment
 - Merge branch 'master' into s-fix
 - fix typo in comments
 - Merge branch 'master' into s-fix
 - Merge branch 'master'
 - Merge branch 'master' into sf
 - rename writeThrough to unbufferedMode and code refine
 - ... and 6 more: https://git.openjdk.java.net/jdk/compare/aac1e78c...c80a10e0

-------------

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/2803/files
  - new: https://git.openjdk.java.net/jdk/pull/2803/files/01e1a107..c80a10e0

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=2803&range=11
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=2803&range=10-11

  Stats: 84 lines in 12 files changed: 16 ins; 39 del; 29 mod
  Patch: https://git.openjdk.java.net/jdk/pull/2803.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/2803/head:pull/2803

PR: https://git.openjdk.java.net/jdk/pull/2803