事象 fluent-plugin-cloudwatch-logs を使用して複数の AWS EC2 インスタンスから CloudWatch Logs の同一 LogStream へ転送していた際、下記の様な WARNING によりログ転送が行われませんでした。 2016-05-14 02:08:24 +0000 [warn]: temporarily failed to flush the buffer. next_retry=2016-05-14 02:42:45 +0000 error_class="Aws::CloudWatchLogs::Errors::InvalidSequenceTokenException" error="The given sequenceToken is invalid. The next expected sequenceToken is: 999999
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