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Questions tagged [azul-zing]

Zing® is a full-featured Java runtime enhanced by Azul Systems to work in concert with the Linux operating system. Zing delivers consistent response times over a smooth, wide operating range with minimal GC and JVM tuning using unique C4 pauseless garbage collection technology.

Zing® is a full-featured Java runtime enhanced by Azul Systems to work in concert with the Linux operating system. Zing delivers consistent response times over a smooth, wide operating range with minimal GC and JVM tuning using unique C4 pauseless garbage collection technology:

  • Operating range from 1GB to 8TB live heap per JVM instance
  • Makes efficient use of today’s multicore processors
  • ReadyNow!™ technology that solves Java warm-up issues
  • Insensitive to data size, concurrent sessions and throughput
  • Grows and shrinks heap memory footprint elastically as needed
12 questions
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Is there an interface of read barrier in CoreCLR's standalone GC?

It seems that there's no interface of read barrier in CoreCLR. Recently I have implemented a pauseless GC in C. Here's my project: https://github.com/LizBing/Uboa-Garbage-Collector I tried customing a standalone GC library which can be used in .net.…
Lizbing
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How to use jHiccup with Solr?

I've tried use Solr with Jhiccup to analyze garbage collectors of Azul zing JVM and G1GC of Java-Hotspot. I launched solr, and want include jHiccup on it. of solr process is 1078. I used following command: ./jHiccup -l…
Кирилл Тимофеев
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Java CRaC resume from checkpoint with arguments

I am experimenting with CRaC on Azul JVM. I have built a checkpoint of my program with $JAVA_CMD -XX:CRaCCheckpointTo=cr -jar target/cractest-0.1.0-standalone.jar And I can restore it successfully with $JAVA_CMD -XX:CRaCRestoreFrom=cr It works all…
erdos
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apache solr with another jvm

I use apache solr with Sun's JVM, but for me it's interesting to see how it works with another JVM for examle solr. But I don't know how it possible. I've tried change file solr.in.sh where installed variable SOLR_JAVA_HOME as path to another JVM,…
Кирилл Тимофеев
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Azul Zing gc collection

We are investigating an application running of azul jvm (Zing release : 1.7.0-zing_15.05.3.0-b3-product-azlinuxM-X86_64). Would appreciate with some pointers on making sense of the gc logs on Zing. JVM flags - ` -Xmx48g -XX:+ConcurrentDeflation…
IUnknown
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Bytebuddy doesn't work on zing

Looks like bytebuddy doesn't work with zing jvm. Javaagent is initiated but interceptor is not activated. Anyone managed to get it to work with zing?
Matija Gobec
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Azul Zing installation configuration issue

I recently installed Azul Zing "zing-jdk1.8.0-16.01.2.0-2-x86_64" on a private cloud in AWS. When I do "java -version OR java", I am getting following: Failed to reserve lower 2g address. error : 12 My Java Home is set fine: echo…
sanjay
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"Synchronized" implementation

As far as I can remember, "synchronized" essentially flushes all cached values on exit, and ensures reading all values from their main location on entry. But I wonder how that can be accomplished? I mean, when the block only contains reading some…
Maksim Gumerov
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How can we set max limit on off heap usage in azul prime jvm

We are using azul prime, and it is using a lot of off heap memory. is there any way to give limit for off heap memory like we give for heap
Nishant Modi
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Java NativeMemoryTracking flag and utility commands Azul JDK

we have recently moved to Azul jdk instead of using Oracle. it seems there is a missing of documentation regarding profiling flags and their usage. for example, if i want to track native memory in Oracle i just add this…
Dev93
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Async profiler overhead on Zing

Our team is monitoring latency of our application using HdrHistograms. When I attach async profiler to it all percentiles increase dramatically. OS: Red Hat Enterprise Linux release 8.1 (Ootpa) JVM: 11.0.8-zing_20.08.2.0-b2-product-linux-X86_64 This…
Vadim
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DataStax with Azul Zing JVM

I am currently investigating the use of Apache Cassandra using the Azul Zing JVM and looking for a vendor that could provide support. Does anyone know if DataStax supports the Azul Zing JVM? Thanks, Tom
Tom
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