Example #1
0
def main():
    log.info("Service node initializing")
    loop = asyncio.get_event_loop()
    #create the app object
    app = loop.run_until_complete(init(loop))

    metadata_mem_cache_size = int(config.get("metadata_mem_cache_size"))
    log.info("Using metadata memory cache size of: {}".format(metadata_mem_cache_size))
    app['meta_cache'] = LruCache(mem_target=metadata_mem_cache_size, chunk_cache=False)
    app['domain_cache'] = LruCache(mem_target=metadata_mem_cache_size, chunk_cache=False)

    app['loop'] = loop
    if config.get("allow_noauth"):
        app['allow_noauth'] = True
    else:
        app['allow_noauth'] = False

    initUserDB(app)

    asyncio.ensure_future(healthCheck(app), loop=loop)

    # run the app
    port = int(config.get("sn_port"))
    log.info(f"run_app on port: {port}")
    run_app(app, port=port)
Example #2
0
def main():
    log.info("datanode start")
    loop = asyncio.get_event_loop()

    metadata_mem_cache_size = int(config.get("metadata_mem_cache_size"))
    log.info("Using metadata memory cache size of: {}".format(
        metadata_mem_cache_size))
    chunk_mem_cache_size = int(config.get("chunk_mem_cache_size"))
    log.info(
        "Using chunk memory cache size of: {}".format(chunk_mem_cache_size))

    #create the app object
    app = loop.run_until_complete(init(loop))
    app['meta_cache'] = LruCache(mem_target=metadata_mem_cache_size,
                                 chunk_cache=False)
    app['chunk_cache'] = LruCache(mem_target=chunk_mem_cache_size,
                                  chunk_cache=True)
    app['deleted_ids'] = set()
    app['dirty_ids'] = {
    }  # map of objids to timestamp and bucket of which they were last updated
    app['deflate_map'] = {
    }  # map of dataset ids to deflate levels (if compressed)
    app["shuffle_map"] = {
    }  # map of dataset ids to shuffle items size (if shuffle filter is applied)
    app["pending_s3_read"] = {
    }  # map of s3key to timestamp for in-flight read requests
    app["pending_s3_write"] = {
    }  # map of s3key to timestamp for in-flight write requests
    app["pending_s3_write_tasks"] = {
    }  # map of objid to asyncio Task objects for writes
    app["root_notify_ids"] = {
    }  # map of root_id to bucket name used for notify root of changes in domain
    app["root_scan_ids"] = {
    }  # map of root_id to bucket name for pending root scans
    app["gc_ids"] = set()  # set of root or dataset ids for deletion
    app["objDelete_prefix"] = None  # used by async_lib removeKeys
    # TODO - there's nothing to prevent the deflate_map from getting ever larger
    # (though it is only one int per dataset id)
    # add a timestamp and remove at a certain time?
    # delete entire map whenver the synch queue is empty?

    # run background tasks
    asyncio.ensure_future(healthCheck(app), loop=loop)

    # run data sync tasks
    asyncio.ensure_future(s3syncCheck(app), loop=loop)

    # run root scan
    asyncio.ensure_future(bucketScan(app), loop=loop)

    # run root/dataset GC
    asyncio.ensure_future(bucketGC(app), loop=loop)

    # run the app
    port = int(config.get("dn_port"))
    log.info(f"run_app on port: {port}")
    run_app(app, port=port)
Example #3
0
#

if __name__ == '__main__':
    log.info("Servicenode initializing")
    loop = asyncio.get_event_loop()
    #create the app object
    app = loop.run_until_complete(init(loop))

    metadata_mem_cache_size = int(config.get("metadata_mem_cache_size"))
    log.info("Using metadata memory cache size of: {}".format(
        metadata_mem_cache_size))
    app['meta_cache'] = LruCache(mem_target=metadata_mem_cache_size,
                                 chunk_cache=False)
    app['domain_cache'] = LruCache(mem_target=metadata_mem_cache_size,
                                   chunk_cache=False)

    app['loop'] = loop
    if config.get("allow_noauth"):
        app['allow_noauth'] = True
    else:
        app['allow_noauth'] = False

    initUserDB(app)

    # run background task
    asyncio.ensure_future(healthCheck(app), loop=loop)

    # run the app
    port = int(config.get("sn_port"))
    run_app(app, port=port)