Thank you for your advice.
I tried you options.
But the problem is same.

I use options below.

options {
    chain_hostnames(off);
    flush_lines(3);
    flush_timeout(5);
    use_dns(no);
    use_fqdn(no);
    owner("root");
    group("adm");
    perm(0640);
    stats_freq(600);
    bad_hostname("^gconfd$");
};

I try to catch log by tail command.
like this "$sudo tail -f /var/log/messages"

I expected to 3 line show at a time.
But log shows one by one, when I call logger command.

Could you confirm that the log shows at once? Or one by one?

thanks!


To: syslog-ng@lists.balabit.hu
From: erempel@uvic.ca
Date: Wed, 14 Oct 2015 20:01:54 -0700
Subject: Re: [syslog-ng] Is the option flush_lines valid now?

What happens when you try to use the option.

I use it with syslog-ng 3.7.1

options {
        log_fifo_size(20000000);
        use_fqdn(yes);
        keep_hostname(yes);
        chain_hostnames(yes);
        time_reap(60);
        time_reopen(5);
        flush_lines(15000);
        flush_timeout(2000);
        stats_level(1);
        log_msg_size(16384);
};


without any problems.


On 10/14/2015 04:35 PM, 伊藤 宏平 wrote:
I tried to use syslog-ng.

At first I used a syslog-ng 3.5.3 on ubuntu14.04.
But I can not use flush_line option.

I asked question in stack overflow.
Mr.argus said that " There is a lack of condition"

Specifically function "log_writer_flush" should be like that.

Before:

gboolean
log_writer_flush(LogWriter *self, LogWriterFlushMode flush_mode)
{
                       :

  if (flush_mode >= LW_FLUSH_BUFFER || count == 0)
  {
    if (log_proto_client_flush(proto) == LPS_ER!
 ROR
)
      return FALSE;
  }
After:

LogProtoFileWriter *w = (LogProtoFileWriter *)proto;
if ( (w->buf_count >= w->buf_size) && (flush_mode >= LW_FLUSH_BUFFER || count == 0) )
  {
    if (log_proto_client_flush(proto) == LPS_ER!
 ROR
)
      return FALSE;
  }

And now I use a latest syslog-ng ose 3.7.1, hoping the bug has been fixed.
But I can not use flush_line option either.

Is the option flush_lines valid now?

        

        
      

      

      

      

      
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