cache: hold a read lock while canceling a snapshot watch. #507
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Since canceling a watch only modified the corresponding statusInfo, we don't need to hold a write lock on the snapshot cache. Holding a read lock is sufficient to ensure that the status entry is stable. This updates envoyproxy#503. Signed-off-by: James Peach <jpeach@apache.org>
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Since canceling a watch only modified the corresponding statusInfo, we
don't need to hold a write lock on the snapshot cache. Holding a read
lock is sufficient to ensure that the status entry is stable.
This updates #503.
Signed-off-by: James Peach jpeach@apache.org