RFR: 8262386: resourcehogs/serviceability/sa/TestHeapDumpForLargeArray.java timed out [v6]

[Lin Zang]

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

Lin Zang has updated the pull request incrementally with one additional commit since the last revision:

  rename writeThrough to unbufferedMode and code refine

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Changes:
  - all: https://git.openjdk.java.net/jdk/pull/2803/files
  - new: https://git.openjdk.java.net/jdk/pull/2803/files/7eb475e7..bb5827da

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=2803&range=05
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=2803&range=04-05

  Stats: 24 lines in 1 file changed: 0 ins; 1 del; 23 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