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  • Stratos Psomadakis's avatar
    Add greenlet tracing code in snf-common · 5566c005
    Stratos Psomadakis authored
    Add greenlet tracing code in snf-common, useful for debugging stuck
    gevent gunicorn workers.
    If the environmental variable SYNNEFO_TRACE is set to a non-empty
    string, the tracing code will install a SIGTRAP signal handler for the
    process, after the Synnefo settings have been imported.
    Sending a SIGTRAP signal to the process (eg a gevent gunicorn worker)
    will then print the stack trace of each greenlet spawned within the
    process to stderr.