:original_name: mrs_01_2048.html

.. _mrs_01_2048:

Spark Streaming
===============

-  :ref:`What Can I Do If Spark Streaming Tasks Are Blocked? <mrs_01_2050>`
-  :ref:`What Should I Pay Attention to When Optimizing Spark Streaming Task Parameters? <mrs_01_2051>`
-  :ref:`Why Does the Spark Streaming Application Fail to Be Submitted After the Token Validity Period Expires? <mrs_01_2052>`
-  :ref:`Why does Spark Streaming Application Fail to Restart from Checkpoint When It Creates an Input Stream Without Output Logic? <mrs_01_2053>`
-  :ref:`Why Is the Input Size Corresponding to Batch Time on the Web UI Set to 0 Records When Kafka Is Restarted During Spark Streaming Running? <mrs_01_2054>`

.. toctree::
   :maxdepth: 1
   :hidden: 

   what_can_i_do_if_spark_streaming_tasks_are_blocked
   what_should_i_pay_attention_to_when_optimizing_spark_streaming_task_parameters
   why_does_the_spark_streaming_application_fail_to_be_submitted_after_the_token_validity_period_expires
   why_does_spark_streaming_application_fail_to_restart_from_checkpoint_when_it_creates_an_input_stream_without_output_logic
   why_is_the_input_size_corresponding_to_batch_time_on_the_web_ui_set_to_0_records_when_kafka_is_restarted_during_spark_streaming_running
