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The following commit(s) were added to refs/heads/trunk by this push:
new 03424b4 Document usage of EC2Snitch with intra-region VPC peering
03424b4 is described below
commit 03424b4fd728cb3e97be30117a03532f37459858
Author: Serban Teodorescu <[email protected]>
AuthorDate: Wed Sep 25 19:50:14 2019 +0300
Document usage of EC2Snitch with intra-region VPC peering
Patch by Serban Teodorescu; Reviewed by Jon Haddad for CASSANDRA-15337
---
CHANGES.txt | 1 +
doc/source/operating/snitch.rst | 8 +++++---
2 files changed, 6 insertions(+), 3 deletions(-)
diff --git a/CHANGES.txt b/CHANGES.txt
index f6a4495..4cf5421 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -1,4 +1,5 @@
4.0-alpha4
+ * Document usage of EC2Snitch with intra-region VPC peering (CASSANDRA-15337)
* Fixed flakey test in SASIIndexTest by shutting down its ExecutorService
(CASSANDRA-15528)
* Fixed empty check in TrieMemIndex due to potential state inconsistency in
ConcurrentSkipListMap (CASSANDRA-15526)
* Add compaction allocation measurement test (CASSANDRA-15388)
diff --git a/doc/source/operating/snitch.rst b/doc/source/operating/snitch.rst
index 85bd9e8..b716e82 100644
--- a/doc/source/operating/snitch.rst
+++ b/doc/source/operating/snitch.rst
@@ -65,9 +65,11 @@ PropertyFileSnitch
``cassandra-topology.properties``.
Ec2Snitch
- Appropriate for EC2 deployments in a single Region. Loads Region and
Availability Zone information from the EC2 API.
- The Region is treated as the datacenter, and the Availability Zone as the
rack. Only private IPs are used, so this
- will not work across multiple regions.
+ Appropriate for EC2 deployments in a single Region, or in multiple regions
with inter-region VPC enabled (available
+ since the end of 2017, see `AWS announcement
<https://aws.amazon.com/about-aws/whats-new/2017/11/announcing-support-for-inter-region-vpc-peering/>`_).
+ Loads Region and Availability Zone information from the EC2 API. The
Region is treated as the datacenter, and the
+ Availability Zone as the rack. Only private IPs are used, so this will
work across multiple regions only if
+ inter-region VPC is enabled.
Ec2MultiRegionSnitch
Uses public IPs as broadcast_address to allow cross-region connectivity
(thus, you should set seed addresses to the
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