system/zookeeper: Added (distributed coordination server).

Signed-off-by: Willy Sudiarto Raharjo <willysr@slackbuilds.org>

1 files changed, 16 insertions, 0 deletions

diff --git a/system/zookeeper/README b/system/zookeeper/README
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+ZooKeeper is a centralized service for maintaining configuration information,
+naming, providing distributed synchronization, and providing group services. 
+All of these kinds of services are used in some form or another by distributed 
+applications. Each time they are implemented there is a lot of work that goes 
+into fixing the bugs and race conditions that are inevitable. Because of the 
+difficulty of implementing these kinds of services, applications initially 
+usually skimp on them ,which make them brittle in the presence of change and 
+difficult to manage. Even when done correctly, different implementations of 
+these services lead to management complexity when the applications are 
+deployed.
+
+This script requires a 'zookeeper' user/group to exist before running. 
+The recommended UID/GID is 322. You can create these like so:
+
+groupadd -g 322 zookeeper
+useradd -u 322 -g 322 -c "Zookeeper user" -d /var/lib/zookeeper -s /bin/sh zookeeper