Uploaded image for project: 'JDK'
  1. JDK
  2. JDK-8195100

Use a low latency hashtable for SymbolTable

    XMLWordPrintable

Details

    • Enhancement
    • Resolution: Fixed
    • P4
    • 12
    • 11
    • hotspot
    • b07

    Description

      SymbolTable is the data-set which can introduce the most latency for a GC.

      Attachments

        Issue Links

          blocks

          Bug - A problem which impairs or prevents the functions of the product. JDK-8208462 SymbolTable::symbols_do using do_scan can deadlock

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Closed

          Enhancement - null JDK-8208142 Fix perf regression for simple startup benchmarks in new SymbolTable

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Resolved

          Enhancement - null JDK-8208519 Remove rehashable hashtable

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Resolved
          is blocked by

          Enhancement - null JDK-8205534 Remove SymbolTable dependency from serviceability agent

          • P3 - Major loss of function.
          • Resolved

          Enhancement - null JDK-8207359 Make SymbolTable increment_refcount disallow zero

          • P3 - Major loss of function.
          • Resolved

          Enhancement - null JDK-8195097 Make it possible to process StringTable outside safepoint

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Resolved
          relates to

          Bug - A problem which impairs or prevents the functions of the product. JDK-8209138 Symbol constructor uses u1 as the element type of its name argument

          • P3 - Major loss of function.
          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. JDK-8209139 globalCounter bootstrap issue

          • P3 - Major loss of function.
          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. JDK-8209387 Follow ups to JDK-8195100 Use a low latency hashtable for SymbolTable

          • P3 - Major loss of function.
          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. JDK-8209586 AARCH64: SymbolTable changes throw assert on aarch64

          • P3 - Major loss of function.
          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. JDK-8209623 assert(sym->byte_at(i) == _name[I]) after JDK-8195100 (low latency hash table)

          • P3 - Major loss of function.
          • Closed

          Enhancement - null JDK-8205534 Remove SymbolTable dependency from serviceability agent

          • P3 - Major loss of function.
          • Resolved

          Enhancement - null JDK-8206423 Use locking for cleaning ResolvedMethodTable

          • P3 - Major loss of function.
          • Resolved

          Enhancement - null JDK-8206424 Use locking for cleaning ProtectionDomainTable

          • P3 - Major loss of function.
          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. JDK-8211821 PrintStringTableStatistics crashes JVM

          • P3 - Major loss of function.
          • Resolved

          Bug - A problem which impairs or prevents the functions of the product. JDK-8313678 SymbolTable can leak Symbols during cleanup

          • P4 - Minor loss of function, or other problem where easy workaround is present.
          • Resolved

          Activity

            People

              gziemski Gerard Ziemski
              rehn Robbin Ehn
              Votes:
              0 Vote for this issue
              Watchers:
              6 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved: