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Editorial Team
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Asked: 2026-05-18T12:47:35+00:00

In the following output, what is the concurrent mark-sweep generation? par new generation total

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In the following output, what is the concurrent mark-sweep generation?

par new generation   total 24512K, used 12082K [0x00007fb3b9420000, 0x00007fb3bac20000, 0x00007fb3bac20000)
 eden space 24448K,  49% used [0x00007fb3b9420000, 0x00007fb3b9fec808, 0x00007fb3bac00000)
 from space 64K,   0% used [0x00007fb3bac10000, 0x00007fb3bac10000, 0x00007fb3bac20000)
 to   space 64K,   0% used [0x00007fb3bac00000, 0x00007fb3bac00000, 0x00007fb3bac10000)
concurrent mark-sweep generation total 8364032K, used 233100K [0x00007fb3bac20000, 0x00007fb5b9420000, 0x00007fb5b9420000)
concurrent-mark-sweep perm gen total 98304K, used 72031K [0x00007fb5b9420000, 0x00007fb5bf420000, 0x00007fb5bf420000)

I understand eden, from, to and perm gen, but what is “concurrent mark-sweep generation”?

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1 Answer

  1. Editorial Team

    “concurent mark-sweep generation” is the old generation.

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