Can you open hadoop.apache.org/docs/r1.2.1/mapred_tutorial.html from mainland China?
Sometimes.
No recent testsVerdict from 2026-04-12 · 4 mo ago
As of the last test on 2026-04-12 — 4 mo ago — it was partly disrupted in mainland China. We haven't tested it since, so this may have changed.
Access hadoop.apache.org/docs/r1.2.1/mapred_tutorial.html with GreatFireVPN →Frequently asked questions
Is hadoop.apache.org/docs/r1.2.1/mapred_tutorial.html blocked in mainland China right now?
We haven't tested hadoop.apache.org/docs/r1.2.1/mapred_tutorial.html in the last 90 days. As of the last test on 2026-04-12 (4 mo ago), it was partly disrupted in mainland China. Use the Test now button on this page for a fresh measurement.
Why is hadoop.apache.org/docs/r1.2.1/mapred_tutorial.html blocked in mainland China?
As of the last test on 2026-04-12 — 4 mo ago — it was partly disrupted in mainland China. We haven't tested it since, so this may have changed.
Since when has hadoop.apache.org/docs/r1.2.1/mapred_tutorial.html been blocked?
GreatFire has recorded interference with hadoop.apache.org/docs/r1.2.1/mapred_tutorial.html from mainland China since 2015-08-26.
How can I access hadoop.apache.org/docs/r1.2.1/mapred_tutorial.html from mainland China?
You need a circumvention tool such as a VPN. GreatFireVPN, built by GreatFire, is designed to bypass the Great Firewall and reach sites like hadoop.apache.org/docs/r1.2.1/mapred_tutorial.html.
https://hadoop.apache.org/docs/r1.2.1/mapred_tutorial.html · JSON