Chronicle-Bytes | Chronicle Bytes has a similar purpose | Performance Testing library
kandi X-RAY | Chronicle-Bytes Summary
kandi X-RAY | Chronicle-Bytes Summary
Chronicle Bytes contains all the low level memory access wrappers. It is built on Chronicle Core’s direct memory and OS system call access. Chronicle Bytes has a similar purpose to Java NIO’s ByteBuffer with some extensions.
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Top functions reviewed by kandi - BETA
- Region FileAdapter Implementation
- Writes the underlying RDO to the underlying array
- Writes an array of bytes to the underlying memory store
- Writes bytes from the given position to the internal store
- Writes the given bytes to the bytes store
- Writes a range of bytes starting at the specified offset in the specified array
- Writes a long to the buffer at the given offset
- Writes a chunk of bytes to the mapped file
- Writes a chunk of bytes to the mapped byte array
- Returns the lowest index of the given Bytes
- Returns the index of the first occurrence of this Bytes object starting at the given index
- Creates a Bytes wrapping the given ByteBuffer
- Creates a Bytes with the given byte array
- Returns an array of String codes for the given class
- Creates the char toString
- Append char sequence
- Writes the given string as UTF - 8 bytes
- Add encoder for given method
- Append bytes to the buffer
- Combine double and newline characters
- Compares the string to another string
- Appends an 8 bit sequence
- Compares the given number of bytes to the given bytes store
- Append characters
- Writes an object type
- Returns a string representation of this instance
- The main method
- Acquires a mapped byte store
Chronicle-Bytes Key Features
Chronicle-Bytes Examples and Code Snippets
Community Discussions
Trending Discussions on Chronicle-Bytes
QUESTION
I have an application using Boot Strap running with cassandra 4.0, Cassandra java drive 4.11.1, spark 3.1.1 into ubuntu 20.4 with jdk 8_292 and python 3.6.
When I run a function that it call CQL by spark, the tomcat gave me the error bellow.
Stack trace:
...ANSWER
Answered 2021-May-25 at 23:23I openned two JIRA to understand this problem. See the links below:
QUESTION
The BytesUtil.bytesEqual parameters use both the Jetbrains @NotNull and the OpenHFT @NotNull annotation the same parameter:
ANSWER
Answered 2019-Feb-14 at 09:30The problem we had with IntelliJ's annotation is that when byte code instrumentation is enabled, it add a check which throws an IllegalArgumentException. However, when the code is released or run in another context it instead triggers a NullPointerException.
For this reason, we added our own annotation across much of the code base so there would be code analysis checking in IntelliJ without the extra runtime check being added.
Most likely we should only use our annotation everywhere to make the exception thrown deterministic.
QUESTION
following the accepted solution in chronicle-bytes shared DirectBytesStores I have now set up my code in the same way to the accepted answer.
I'm generating 1,000,000 objects that I write out to a MappedFile and I would like each object to be able to manage their own reads/writes to the MappedFile:
...ANSWER
Answered 2018-Oct-23 at 20:10MappedFile maps in chunks of memory at a time. Unless you retain those chunks by reserving them, the memory is released when it no longer uses them.
One solution is to use a large chunk so you only ever use one chunk.
Another approach is to.use Chronicle Map as it will manage the memory as required.
QUESTION
I've created a MappedBytes instance to a file that I'm using as shared cache between different Java processes.
I would like to be able to split out additional MappedByte instances (or ByteBuffer or any other instance) from the original that provide direct read/write access to a subset of the underlying file.
I've spent today experimenting with different methods but options like subBytes(), rawCopy() and copyTo() all seem to create local copies of the underlying file, rather than accessing the file directly.
For example:
...ANSWER
Answered 2018-Oct-18 at 07:02This is a self-contained test which I think behaves the way you need.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install Chronicle-Bytes
You can use Chronicle-Bytes like any standard Java library. Please include the the jar files in your classpath. You can also use any IDE and you can run and debug the Chronicle-Bytes component as you would do with any other Java program. Best practice is to use a build tool that supports dependency management such as Maven or Gradle. For Maven installation, please refer maven.apache.org. For Gradle installation, please refer gradle.org .
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