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Bug
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Resolution: Done
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Blocker
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AMQ 7.2.2.GA, AMQ 7.2.3.GA, AMQ 7.2.4.GA
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None
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- Set DEBUG_ARGS="-XX:NativeMemoryTracking=summary" in etc/artemis.profile.
- Start the broker
- Run: jcmd $PID VM.native_memory summary scale=MB
There is a huge increase in memory footprint after upgrading Netty to 4.1.28.Final.
Comparing the jcmd output of AMQ 7.2.1 vs AMQ 7.2.2:
AMQ 7.2.1:
Native Memory Tracking:
Total: reserved=3569MB, committed=716MB
- Java Heap (reserved=2048MB, committed=512MB)
(mmap: reserved=2048MB, committed=512MB)
- Class (reserved=1055MB, committed=33MB)
(classes #5477)
(malloc=1MB #5554)
(mmap: reserved=1054MB, committed=32MB)
- Thread (reserved=66MB, committed=66MB)
(thread #67)
(stack: reserved=66MB, committed=66MB)
- Code (reserved=245MB, committed=11MB)
(malloc=2MB #2837)
(mmap: reserved=244MB, committed=9MB)
- GC (reserved=126MB, committed=69MB)
(malloc=18MB #4721)
(mmap: reserved=108MB, committed=51MB)
- Internal (reserved=15MB, committed=15MB)
(malloc=15MB #8472)
- Symbol (reserved=8MB, committed=8MB)
(malloc=6MB #52396)
(arena=2MB #1)
- Native Memory Tracking (reserved=1MB, committed=1MB)
(tracking overhead=1MB)
- Unknown (reserved=4MB, committed=0MB)
(mmap: reserved=4MB, committed=0MB)
AMQ 7.2.2:
Native Memory Tracking:
Total: reserved=5489MB, committed=2635MB
- Java Heap (reserved=2048MB, committed=512MB)
(mmap: reserved=2048MB, committed=512MB)
- Class (reserved=1055MB, committed=33MB)
(classes #5474)
(malloc=1MB #5564)
(mmap: reserved=1054MB, committed=32MB)
- Thread (reserved=64MB, committed=64MB)
(thread #65)
(stack: reserved=64MB, committed=64MB)
- Code (reserved=245MB, committed=11MB)
(malloc=2MB #2832)
(mmap: reserved=244MB, committed=9MB)
- GC (reserved=126MB, committed=69MB)
(malloc=18MB #4780)
(mmap: reserved=108MB, committed=51MB)
- Internal (reserved=1935MB, committed=1935MB)
(malloc=1935MB #131329)
- Symbol (reserved=8MB, committed=8MB)
(malloc=6MB #52483)
(arena=2MB #1)
- Native Memory Tracking (reserved=3MB, committed=3MB)
(tracking overhead=3MB)
- Unknown (reserved=4MB, committed=0MB)
(mmap: reserved=4MB, committed=0MB)
AMQ 7.2.4:
Native Memory Tracking:
Total: reserved=5485MB, committed=2632MB
- Java Heap (reserved=2048MB, committed=512MB)
(mmap: reserved=2048MB, committed=512MB)
- Class (reserved=1055MB, committed=33MB)
(classes #5479)
(malloc=1MB #5709)
(mmap: reserved=1054MB, committed=33MB)
- Thread (reserved=60MB, committed=60MB)
(thread #61)
(stack: reserved=60MB, committed=60MB)
- Code (reserved=246MB, committed=12MB)
(malloc=2MB #3252)
(mmap: reserved=244MB, committed=10MB)
- GC (reserved=126MB, committed=69MB)
(malloc=18MB #4873)
(mmap: reserved=108MB, committed=51MB)
- Internal (reserved=1935MB, committed=1935MB)
(malloc=1934MB #131290)
- Symbol (reserved=8MB, committed=8MB)
(malloc=6MB #52539)
(arena=2MB #1)
- Native Memory Tracking (reserved=3MB, committed=3MB)
(tracking overhead=3MB)
- Unknown (reserved=4MB, committed=0MB)
(mmap: reserved=4MB, committed=0MB)
Internal memory usage increased from 15MB to >1900MB.
- blocks
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- Verified
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- relates to
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- Closed
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