com presentations: Content revisions for replica set slides: mongo-tut-tek15.xml slides/mongodb/repl-eventual-consistency.xml slides/mongodb/repl-features.xml slides/mongodb/repl-oplog.xml slides/mongodb/repl-use-cases.xml slides/mongodb/repl-works-basic.xml slides/mongodb/replication-setup.xml

Commit:    72e8a275cbdf85f21c421abde903b2dcbb47fe68
Author:    Jeremy Mikola <[email protected]>         Sun, 17 May 2015 16:29:46 -0500
Parents:   d753e744f62107b0668a94484d62c9d1ee2c8fe9
Branches:  master

Link:       http://git.php.net/?p=presentations.git;a=commitdiff;h=72e8a275cbdf85f21c421abde903b2dcbb47fe68

Log:
Content revisions for replica set slides

Changed paths:
  M  mongo-tut-tek15.xml
  M  slides/mongodb/repl-eventual-consistency.xml
  M  slides/mongodb/repl-features.xml
  M  slides/mongodb/repl-oplog.xml
  M  slides/mongodb/repl-use-cases.xml
  M  slides/mongodb/repl-works-basic.xml
  M  slides/mongodb/replication-setup.xml


Diff:
diff --git a/mongo-tut-tek15.xml b/mongo-tut-tek15.xml
index 45de045..a7dbe72 100644
--- a/mongo-tut-tek15.xml
+++ b/mongo-tut-tek15.xml
@@ -178,7 +178,7 @@ Common Patterns
 <slide>slides/mongodb/repl-oplog.xml</slide>
 
 <slide>slides/mongodb/replication-setup.xml</slide>
-
+<slide>slides/mongodb/php-connection-string.xml</slide>
 <slide>slides/mongodb/repl-eventual-consistency.xml</slide>
 
 <!-- SHARDING -->
diff --git a/slides/mongodb/repl-eventual-consistency.xml b/slides/mongodb/repl-eventual-consistency.xml
index 0106ca4..f0e0621 100644
--- a/slides/mongodb/repl-eventual-consistency.xml
+++ b/slides/mongodb/repl-eventual-consistency.xml
@@ -4,15 +4,16 @@
 <list>
     <bullet>Read Preference / Slave Okay
 		<list>
-			<bullet>driver will always send writes to Primary</bullet>
-			<bullet>driver will send read requests to Secondaries</bullet>
+			<bullet>Driver will always send writes to primary</bullet>
+			<bullet>Driver will send read requests to secondaries</bullet>
+			<bullet>Options to prefer primary, secondary, or nearest</bullet>
 		</list>
 	</bullet>
 
     <bullet>Warning!
 		<list>
 			<bullet>Secondaries may be out of date</bullet>
-			<bullet>Not applicable for all applications</bullet>
+			<bullet>Not appropriate for all applications</bullet>
 		</list>
 	</bullet>
 </list>
diff --git a/slides/mongodb/repl-features.xml b/slides/mongodb/repl-features.xml
index bf33841..834c67d 100644
--- a/slides/mongodb/repl-features.xml
+++ b/slides/mongodb/repl-features.xml
@@ -7,7 +7,6 @@
     <bullet>Reads can be from primary (default) or a secondary</bullet>
     <bullet>Any (one) node can be primary</bullet>
     <bullet>Consensus election of primary</bullet>
-    <bullet>Automatic failover</bullet>
-    <bullet>Automatic recovery</bullet>
+    <bullet>Automatic failover and recovery</bullet>
 </list>
 </slide>
diff --git a/slides/mongodb/repl-oplog.xml b/slides/mongodb/repl-oplog.xml
index 8b7a7cf..95cbd0c 100644
--- a/slides/mongodb/repl-oplog.xml
+++ b/slides/mongodb/repl-oplog.xml
@@ -4,10 +4,10 @@
 <list>
     <bullet>Change operations are written to the oplog
 		<list>
+		<bullet>A single update/delete affecting multiple documents can result in many oplog entries</bullet>
 		<bullet>The oplog is a capped collection (fixed size)
 			<list>
-			<bullet>Must have enough space to allow new secondaries to catch up after copying from a primary</bullet>
-			<bullet>Must have enough space to cope with any applicable slaveDelay</bullet>
+			<bullet>Must have enough space to allow new secondaries to catch up after syncing from a primary, and cope with any applicable slaveDelay</bullet>
 		</list></bullet>
 	</list></bullet>
     <bullet>Secondaries query the primary's oplog and apply what they find</bullet>
diff --git a/slides/mongodb/repl-use-cases.xml b/slides/mongodb/repl-use-cases.xml
index f962f5a..d0264d6 100644
--- a/slides/mongodb/repl-use-cases.xml
+++ b/slides/mongodb/repl-use-cases.xml
@@ -4,7 +4,6 @@
 
 <list>
 	<bullet>High Availability (auto-failover)</bullet>
-    <bullet>Read Scaling (extra copies to read from)</bullet>
     <bullet>Backups
 		<list>
 		    <bullet>Online, Delayed Copy (fat finger)</bullet>
diff --git a/slides/mongodb/repl-works-basic.xml b/slides/mongodb/repl-works-basic.xml
index c9edded..5e826df 100644
--- a/slides/mongodb/repl-works-basic.xml
+++ b/slides/mongodb/repl-works-basic.xml
@@ -5,7 +5,6 @@
 <image filename="repl-set1.png"/>
 
 <list>
-	<bullet>Set is made up of 2 or more nodes</bullet>
-	<bullet>It makes most sense to have an *odd* number of nodes</bullet>
+	<bullet>A set should have 3 or more nodes, and always an *odd* number of voters (for calculating majority)</bullet>
 </list>
 </slide>
diff --git a/slides/mongodb/replication-setup.xml b/slides/mongodb/replication-setup.xml
index dbbedc5..353184c 100644
--- a/slides/mongodb/replication-setup.xml
+++ b/slides/mongodb/replication-setup.xml
@@ -15,7 +15,6 @@ mongod -f /etc/mongodb.conf --dbpath=~/repl-arb --port 13002 --replSet seta --re
 logpath=/var/log/mongodb/mongodb.log
 logappend=true
 smallfiles=true
-replSet=seta
 </example>
 </div>
 <div effect="fade-in">