Skip to content

[HUDI-1700] Hudi Meetup with Uber #2686

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Closed
n3nash wants to merge 1 commit into from
Closed

[HUDI-1700] Hudi Meetup with Uber #2686

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
25 changes: 25 additions & 0 deletions content/docs/quick-start-guide.html
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -634,6 +634,31 @@ <h2 id="insert-overwrite">Insert Overwrite</h2>
<span class="nf">show</span><span class="o">(</span><span class="mi">100</span><span class="o">,</span> <span class="kc">false</span><span class="o">)</span>
</code></pre></div></div>

<h2 id="insert-data-lock">Insert data Using Optimistic Locking</h2>

<p>Generate some new trips, load them into a DataFrame and write the DataFrame into the Hudi table as below with optimistic lock enabled.</p>

<div class="language-scala highlighter-rouge"><div class="highlight"><pre class="highlight"><code><span class="c1">// spark-shell
</span><span class="k">val</span> <span class="nv">inserts</span> <span class="k">=</span> <span class="nf">convertToStringList</span><span class="o">(</span><span class="nv">dataGen</span><span class="o">.</span><span class="py">generateInserts</span><span class="o">(</span><span class="mi">10</span><span class="o">))</span>
<span class="k">val</span> <span class="nv">df</span> <span class="k">=</span> <span class="nv">spark</span><span class="o">.</span><span class="py">read</span><span class="o">.</span><span class="py">json</span><span class="o">(</span><span class="nv">spark</span><span class="o">.</span><span class="py">sparkContext</span><span class="o">.</span><span class="py">parallelize</span><span class="o">(</span><span class="n">inserts</span><span class="o">,</span> <span class="mi">2</span><span class="o">))</span>
<span class="nv">df</span><span class="o">.</span><span class="py">write</span><span class="o">.</span><span class="py">format</span><span class="o">(</span><span class="s">"hudi"</span><span class="o">).</span>
<span class="nf">options</span><span class="o">(</span><span class="n">getQuickstartWriteConfigs</span><span class="o">).</span>
<span class="nf">option</span><span class="o">(</span><span class="nc">PRECOMBINE_FIELD_OPT_KEY</span><span class="o">,</span> <span class="s">"ts"</span><span class="o">).</span>
<span class="nf">option</span><span class="o">(</span><span class="nc">RECORDKEY_FIELD_OPT_KEY</span><span class="o">,</span> <span class="s">"uuid"</span><span class="o">).</span>
<span class="nf">option</span><span class="o">(</span><span class="nc">PARTITIONPATH_FIELD_OPT_KEY</span><span class="o">,</span> <span class="s">"partitionpath"</span><span class="o">).</span>
<span class="nf">option</span><span class="o">(</span><span class="nc">TABLE_NAME</span><span class="o">,</span> <span class="n">tableName</span><span class="o">).</span>
<span class="nf">option</span><span class="o">(</span><span class="nc">"hoodie.failed.writes.cleaner.policy"</span><span class="o">,</span> <span class="n">"LAZY"</span><span class="o">).</span>
<span class="nf">option</span><span class="o">(</span><span class="nc">"hoodie.write.concurrency.mode"</span><span class="o">,</span> <span class="n">"optimistic_concurrency_control"</span><span class="o">).</span>
<span class="nf">option</span><span class="o">(</span><span class="nc">"hoodie.writer.lock.zookeeper.url"</span><span class="o">,</span> <span class="n">"zookeeper"</span><span class="o">).</span>
<span class="nf">option</span><span class="o">(</span><span class="nc">"hoodie.writer.lock.zookeeper.port"</span><span class="o">,</span> <span class="n">"2181"</span><span class="o">).</span>
<span class="nf">option</span><span class="o">(</span><span class="nc">"hoodie.writer.lock.wait_time_ms"</span><span class="o">,</span> <span class="n">"12000"</span><span class="o">).</span>
<span class="nf">option</span><span class="o">(</span><span class="nc">"hoodie.writer.lock.num_retries"</span><span class="o">,</span> <span class="n">"2"</span><span class="o">).</span>
<span class="nf">option</span><span class="o">(</span><span class="nc">"hoodie.writer.lock.lock_key"</span><span class="o">,</span> <span class="n">"test_table"</span><span class="o">).</span>
<span class="nf">option</span><span class="o">(</span><span class="nc">"hoodie.writer.lock.zookeeper.zk_base_path"</span><span class="o">,</span> <span class="n">"/test"</span><span class="o">).</span>
<span class="nf">mode</span><span class="o">(</span><span class="nc">Overwrite</span><span class="o">).</span>
<span class="nf">save</span><span class="o">(</span><span class="n">basePath</span><span class="o">)</span>
</code></pre></div></div>

<h1 id="pyspark-example">Pyspark example</h1>
<h2 id="setup-1">Setup</h2>

Expand Down