Weston Pace created ARROW-13644:
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Summary: [C++] Create LruCache that works with futures
Key: ARROW-13644
URL: https://issues.apache.org/jira/browse/ARROW-13644
Project: Apache Arrow
Issue Type: Sub-task
Components: C++
Reporter: Weston Pace
Assignee: Weston Pace
The dataset writer needs an LRU cache to keep track of open files so that it
can respect a "max open files" property (see ARROW-12321). A synchronous
LruCache implementation already exists but on eviction from the cache we need
to wait until all pending writes have completed before we evict the item and
open a new file. This ticket is to create an AsyncLruCache which will allow
the creation of items and the eviction of items to be asynchronous.
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