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pubsub_publisher_batch_settings.rb
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pubsub_publisher_batch_settings.rb
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# Copyright 2023 Google, Inc
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
require "google/cloud/pubsub"
def publish_messages_async_with_batch_settings topic_id:
# [START pubsub_publisher_batch_settings]
# topic_id = "your-topic-id"
pubsub = Google::Cloud::Pubsub.new
# Start sending messages in one request once the size of all queued messages
# reaches 1 MB or the number of queued messages reaches 20
topic = pubsub.topic topic_id, async: {
max_bytes: 1_000_000,
max_messages: 20
}
10.times do |i|
topic.publish_async "This is message ##{i}."
end
# Stop the async_publisher to send all queued messages immediately.
topic.async_publisher.stop.wait!
puts "Messages published asynchronously in batch."
# [END pubsub_publisher_batch_settings]
end