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how to tune BufferedInputStream read()?


how to tune BufferedInputStream read()?

By : Bruce Gil Cabanacan
Date : November 20 2020, 07:00 PM
hope this fix your issue Given that the blob already has the concept of a buffer, it's possible that you're actually harming performance by using the BufferedInputStream at all - it may be making smaller read() calls, making more network calls than necessary.
Try getting rid of the BufferedInputStream completely, just reading directly from the blob's binary stream. It's only a thought, but worth a try. Oh, and you don't need to flush the output stream every time you write.
code :


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How do I read more than one byte with BufferedInputStream

How do I read more than one byte with BufferedInputStream


By : user8005194
Date : March 29 2020, 07:55 AM
this will help It's not you, it is the stream that reads more than one character at a time. The BufferedInputStream keeps a buffer, and next time you call read() the next byte from that buffer is returned without any access to a physical drive (unless the buffer is empty and the next chunk of data has to be read into the buffer).
Note there are methods that read more than a byte, but these don't really have to do with the difference you explicitly asked for in your question.
How to read a line in BufferedInputStream?

How to read a line in BufferedInputStream?


By : Okubanjo Dolapo Eliz
Date : March 29 2020, 07:55 AM
With these it helps A BufferedInputStream is used to read bytes. Reading a line involves reading characters.
You need a way to convert input bytes to characters which is defined by a charset. So you should use a Reader which converts bytes to characters and from which you can read characters. BufferedReader also has a readLine() method which reads a whole line, use that:
code :
BufferedInputStream bf = new BufferedInputStream(System.in)

BufferedReader r = new BufferedReader(
        new InputStreamReader(bf, StandardCharsets.UTF_8));

String line = r.readLine();
System.out.println(line);
Why can't my BufferedInputStream.read() receive -1?

Why can't my BufferedInputStream.read() receive -1?


By : user2616262
Date : March 29 2020, 07:55 AM
I wish this helpful for you A ImputStream.read() call on a TCP stream doesn't return -1 once the message ends, instead it is waiting for a new byte (in fact, such a stream only returns -1 if it is closed).
In order to achieve the functionality you want, you could use a string termination character in the end (\0) if you don't use it somewhere else in your message or you could send the size of the JSON-message before you send it itself and read in that size.
BufferedInputStream read vs IOUtils toByteArray

BufferedInputStream read vs IOUtils toByteArray


By : I. Edwards
Date : March 29 2020, 07:55 AM
wish help you to fix your issue @Gaurav_Joshi
The BufferedInputStream constructor that takes one argument InputStream uses DEFAULT_BUFFER_SIZE, which could be less than the actual size of your input stream.
code :
public BufferedInputStream(InputStream in) {
    this(in, DEFAULT_BUFFER_SIZE);
}
How to read French character using BufferedInputStream

How to read French character using BufferedInputStream


By : Hugo H. Cardet
Date : March 29 2020, 07:55 AM
like below fixes the issue You're trying to read UTF-8 character actually using ASCII. Here's an example of how to implement your feature:
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