
The default value for fs.azure.data.blocks.buffer is changed from "disk" to "bytebuffer" This will speed up writing to azure storage, at the risk of running out of memory -especially if there are many threads writing to abfs at the same time and the upload bandwidth is limited. If jobs do run out of memory writing to abfs, change the option back to "disk" Contributed by Anmol Asrani
HADOOP-17968 Migrate checkstyle module illegalimport to maven enforcer banned-illegal-imports (#3584)
HADOOP-18630. Add gh-pages in asf.yaml to deploy the current trunk doc (#5393). Contributed by Simhadri Govindappa.
HADOOP-18923. Switch to SPDX identifier for license name (#6149). Contributed by Colm O hEigeartaigh.
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