> The fix makes VM heap dumping parallel by default. > `jcmd GC.heap_dump` and `jmap -dump` had parallel dumping by default, the fix > affects `HotSpotDiagnosticMXBean.dumpHeap()`, `-XX:+HeapDumpBeforeFullGC`, > `-XX:+HeapDumpAfterFullGC` and `-XX:+HeapDumpOnOutOfMemoryError`. > > Testing: > - manually tested different heap dump scenarios with `-Xlog:heapdump`; > - tier1,tier2,hs-tier5-svc; > - all reg.tests that use heap dump.
Alex Menkov has updated the pull request incrementally with one additional commit since the last revision: check free_memory for OOME ------------- Changes: - all: https://git.openjdk.org/jdk/pull/18748/files - new: https://git.openjdk.org/jdk/pull/18748/files/8a66572e..7ae4806e Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=18748&range=01 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=18748&range=00-01 Stats: 10 lines in 1 file changed: 10 ins; 0 del; 0 mod Patch: https://git.openjdk.org/jdk/pull/18748.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/18748/head:pull/18748 PR: https://git.openjdk.org/jdk/pull/18748
