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323 Commits

Author SHA1 Message Date
Debezium Builder
af3f942a74 [maven-release-plugin] prepare release v1.6.0.CR1 2021-06-24 01:50:07 -04:00
Debezium Builder
48ca58a609 [maven-release-plugin] prepare for next development iteration 2021-06-10 06:03:12 -04:00
Debezium Builder
0961517859 [maven-release-plugin] prepare release v1.6.0.Beta2 2021-06-10 06:03:12 -04:00
Debezium Builder
ead4ee7226 [maven-release-plugin] prepare for next development iteration 2021-05-20 19:07:44 +02:00
Debezium Builder
9e16df7d4b [maven-release-plugin] prepare release v1.6.0.Beta1 2021-05-20 19:07:44 +02:00
Debezium Builder
4dd3a146ca [maven-release-plugin] prepare for next development iteration 2021-05-06 02:40:15 -04:00
Debezium Builder
b3c5bb281c [maven-release-plugin] prepare release v1.6.0.Alpha1 2021-05-06 02:40:15 -04:00
Gunnar Morling
dc02b896cd DBZ-3449 Moving QA releated plug-ins to separate profile, so to avoid loading them at all 2021-04-28 15:14:05 +02:00
Gunnar Morling
2088c035b1 DBZ-3449 Adding "quick" profile 2021-04-26 06:09:14 +02:00
Debezium Builder
8a88ba9b45 [maven-release-plugin] prepare for next development iteration 2021-04-08 04:04:00 -04:00
Debezium Builder
74152afe74 [maven-release-plugin] prepare release v1.5.0.Final 2021-04-08 04:04:00 -04:00
Debezium Builder
6b4d88bb51 [maven-release-plugin] prepare for next development iteration 2021-03-24 06:35:02 -04:00
Debezium Builder
c578715233 [maven-release-plugin] prepare release v1.5.0.CR1 2021-03-24 06:35:02 -04:00
Debezium Builder
f57057421b [maven-release-plugin] prepare for next development iteration 2021-03-12 04:38:17 -05:00
Debezium Builder
b57293013a [maven-release-plugin] prepare release v1.5.0.Beta2 2021-03-12 04:38:16 -05:00
Jiri Pechanec
123d9ef4eb DBZ-3213 Refactor Maven structure to deploy support modules 2021-03-11 16:14:15 +01:00
Debezium Builder
b4c260da50 [maven-release-plugin] prepare for next development iteration 2021-02-23 14:04:01 -05:00
Debezium Builder
123a711a6d [maven-release-plugin] prepare release v1.5.0.Beta1 2021-02-23 14:04:01 -05:00
Debezium Builder
e08df0a177 [maven-release-plugin] prepare for next development iteration 2021-02-06 01:25:23 -05:00
Debezium Builder
da0411bf70 [maven-release-plugin] prepare release v1.5.0.Alpha1 2021-02-06 01:25:23 -05:00
Debezium Builder
237b4ac0f1 [maven-release-plugin] prepare for next development iteration 2021-01-28 07:38:55 -05:00
Debezium Builder
06b1d0cbad [maven-release-plugin] prepare release v1.4.1.Final 2021-01-28 07:38:55 -05:00
Debezium Builder
3010f99c32 [maven-release-plugin] prepare for next development iteration 2021-01-07 03:38:13 -05:00
Debezium Builder
54534538d9 [maven-release-plugin] prepare release v1.4.0.Final 2021-01-07 03:38:13 -05:00
Debezium Builder
b1ab996c3e [maven-release-plugin] prepare for next development iteration 2020-12-16 14:11:31 -05:00
Debezium Builder
8fc864b278 [maven-release-plugin] prepare release v1.4.0.CR1 2020-12-16 14:11:31 -05:00
Debezium Builder
cf921f56b4 [maven-release-plugin] prepare for next development iteration 2020-12-10 00:27:40 -05:00
Debezium Builder
c49a377487 [maven-release-plugin] prepare release v1.4.0.Beta1 2020-12-10 00:27:39 -05:00
Jiri Pechanec
e8aecd7b45 DBZ-2138 Use MongoDB 4.x driver 2020-11-30 10:33:05 +01:00
Debezium Builder
4535549dcd [maven-release-plugin] prepare for next development iteration 2020-11-16 15:18:43 -05:00
Debezium Builder
3c70c5f7d5 [maven-release-plugin] prepare release v1.4.0.Alpha2 2020-11-16 15:18:43 -05:00
Debezium Builder
26883dad92 [maven-release-plugin] prepare for next development iteration 2020-10-22 03:45:59 -04:00
Debezium Builder
9adbc2d67e [maven-release-plugin] prepare release v1.4.0.Alpha1 2020-10-22 03:45:59 -04:00
Debezium Builder
95b8ed3877 [maven-release-plugin] prepare for next development iteration 2020-10-01 09:08:51 -04:00
Debezium Builder
19ad73beb2 [maven-release-plugin] prepare release v1.3.0.Final 2020-10-01 09:08:50 -04:00
Debezium Builder
b146b69154 [maven-release-plugin] prepare for next development iteration 2020-09-24 04:56:42 -04:00
Debezium Builder
c51cfe8eb9 [maven-release-plugin] prepare release v1.3.0.CR1 2020-09-24 04:56:41 -04:00
Debezium Builder
837669890a [maven-release-plugin] prepare for next development iteration 2020-09-16 12:18:08 -04:00
Debezium Builder
086dbd960b [maven-release-plugin] prepare release v1.3.0.Beta2 2020-09-16 12:18:08 -04:00
Debezium Builder
9979db648f [maven-release-plugin] prepare for next development iteration 2020-08-28 05:04:26 -04:00
Debezium Builder
5c58b23756 [maven-release-plugin] prepare release v1.3.0.Beta1 2020-08-28 05:04:26 -04:00
Debezium Builder
c4c50f5fc6 [maven-release-plugin] prepare for next development iteration 2020-08-06 00:46:18 -04:00
Debezium Builder
94cbeb95fa [maven-release-plugin] prepare release v1.3.0.Alpha1 2020-08-06 00:46:17 -04:00
Debezium Builder
e1ab38de84 [maven-release-plugin] prepare for next development iteration 2020-07-16 04:40:04 -04:00
Debezium Builder
69cf375faa [maven-release-plugin] prepare release v1.2.1.Final 2020-07-16 04:40:04 -04:00
Chris Cranford
c718127faa DBZ-2264 Fix compatibility with MongoDB 3.x 2020-07-09 09:11:28 +02:00
Chris Cranford
bb01f4eaa7 DBZ-2264 Fix test failure - MongoDbConnectorIT#shouldConsumeTransaction 2020-07-09 09:11:28 +02:00
Debezium Builder
c0d30b87d9 [maven-release-plugin] prepare for next development iteration 2020-06-24 18:03:11 +02:00
Debezium Builder
0e2ac78301 [maven-release-plugin] prepare release v1.2.0.Final 2020-06-24 18:03:11 +02:00
Debezium Builder
b03a4d0e50 [maven-release-plugin] prepare for next development iteration 2020-06-19 00:39:01 -04:00
Debezium Builder
93e60258d5 [maven-release-plugin] prepare release v1.2.0.CR2 2020-06-19 00:39:00 -04:00
Debezium Builder
65c39e9f11 [maven-release-plugin] prepare for next development iteration 2020-06-11 02:00:20 -04:00
Debezium Builder
bce332c900 [maven-release-plugin] prepare release v1.2.0.CR1 2020-06-11 02:00:19 -04:00
Debezium Builder
dc25c379e5 [maven-release-plugin] prepare for next development iteration 2020-05-19 03:40:25 -04:00
Debezium Builder
ad060181b9 [maven-release-plugin] prepare release v1.2.0.Beta2 2020-05-19 03:40:25 -04:00
Jiri Pechanec
97c3d3b6e9 DBZ-2088 Use POSIX tar 2020-05-18 14:29:38 +02:00
Debezium Builder
8d4203279e [maven-release-plugin] prepare for next development iteration 2020-05-07 05:03:40 -04:00
Debezium Builder
a4e2c8f36c [maven-release-plugin] prepare release v1.2.0.Beta1 2020-05-07 05:03:40 -04:00
Gunnar Morling
3d0606b348 DBZ-2027 Small speed-up of PG test execution; 
* Using Awaitility so we can use 100ms looping intervals; also it's more concise
* Avoiding creation of one temporary connection
 2020-04-29 09:56:59 +02:00
Debezium Builder
4ca9f92575 [maven-release-plugin] prepare for next development iteration 2020-04-16 02:22:00 -04:00
Debezium Builder
e704bccdaa [maven-release-plugin] prepare release v1.2.0.Alpha1 2020-04-16 02:22:00 -04:00
Debezium Builder
ab54ce062f [maven-release-plugin] prepare for next development iteration 2020-03-24 01:23:05 -04:00
Debezium Builder
0b5a9117fb [maven-release-plugin] prepare release v1.1.0.Final 2020-03-24 01:23:05 -04:00
Debezium Builder
86c1ed90ed [maven-release-plugin] prepare for next development iteration 2020-03-11 09:54:44 -04:00
Debezium Builder
062c6abbe5 [maven-release-plugin] prepare release v1.1.0.CR1 2020-03-11 09:54:44 -04:00
Chris Cranford
65e324d61f DBZ-1726 Removed an unintended dependency. 2020-03-11 10:15:00 +01:00
Chris Cranford
4e27c90028 DBZ-1726 Move MongoDB connector to common framework 2020-03-11 10:15:00 +01:00
Debezium Builder
f75746fb7b [maven-release-plugin] prepare for next development iteration 2020-02-13 03:18:20 -05:00
Debezium Builder
1d2df32743 [maven-release-plugin] prepare release v1.1.0.Beta2 2020-02-13 03:18:20 -05:00
Debezium Builder
9c424b2404 [maven-release-plugin] prepare for next development iteration 2020-02-05 08:54:52 -05:00
Debezium Builder
9f2caa3b7c [maven-release-plugin] prepare release v1.1.0.Beta1 2020-02-05 08:54:52 -05:00
Debezium Builder
274bba9dc9 [maven-release-plugin] prepare for next development iteration 2020-01-16 05:40:24 -05:00
Debezium Builder
076df30108 [maven-release-plugin] prepare release v1.1.0.Alpha1 2020-01-16 05:40:24 -05:00
Debezium Builder
9723c93db9 [maven-release-plugin] prepare for next development iteration 2019-12-18 01:44:33 -05:00
Debezium Builder
09049516f2 [maven-release-plugin] prepare release v1.0.0.Final 2019-12-18 01:44:33 -05:00
Debezium Builder
b1c62fe306 [maven-release-plugin] prepare for next development iteration 2019-12-10 06:39:17 -05:00
Debezium Builder
ad2efdb9a6 [maven-release-plugin] prepare release v1.0.0.CR1 2019-12-10 06:39:17 -05:00
Brandon Brown
a0f7f6ec6b DBZ-1402 Support for JDK 11 2019-11-25 11:53:19 +01:00
Debezium Builder
38279cc2dd [maven-release-plugin] prepare for next development iteration 2019-11-14 02:56:07 -05:00
Debezium Builder
868faf4412 [maven-release-plugin] prepare release v1.0.0.Beta3 2019-11-14 02:56:07 -05:00
Debezium Builder
b08f523ed7 [maven-release-plugin] prepare for next development iteration 2019-10-24 07:42:49 -04:00
Debezium Builder
8ecd9e28cf [maven-release-plugin] prepare release v1.0.0.Beta2 2019-10-24 07:42:49 -04:00
Debezium Builder
519dc011ff [maven-release-plugin] prepare for next development iteration 2019-10-17 04:20:13 -04:00
Debezium Builder
51ef6b9470 [maven-release-plugin] prepare release v1.0.0.Beta1 2019-10-17 04:20:12 -04:00
Debezium Builder
2ff77b993b [maven-release-plugin] prepare for next development iteration 2019-10-01 15:34:23 -04:00
Debezium Builder
e09d584b11 [maven-release-plugin] prepare release v0.10.0.Final 2019-10-01 15:34:23 -04:00
Debezium Builder
2f5960c5d2 [maven-release-plugin] prepare for next development iteration 2019-09-27 01:03:50 -04:00
Debezium Builder
e3b44ffb12 [maven-release-plugin] prepare release v0.10.0.CR2 2019-09-27 01:03:50 -04:00
Debezium Builder
9b7e09fdda [maven-release-plugin] prepare for next development iteration 2019-09-10 09:12:12 -04:00
Debezium Builder
a1c2861458 [maven-release-plugin] prepare release v0.10.0.CR1 2019-09-10 09:12:11 -04:00
Debezium Builder
4ae105bdce [maven-release-plugin] prepare for next development iteration 2019-08-16 03:42:55 -04:00
Debezium Builder
945ccf68cb [maven-release-plugin] prepare release v0.10.0.Beta4 2019-08-16 03:42:54 -04:00
Jiri Pechanec
0742e5775f Revert "[maven-release-plugin] prepare release v0.10.0.Beta4" 
This reverts commit c7340e5152.
 2019-07-23 14:54:55 +02:00
Jiri Pechanec
f7d20635ce Revert "[maven-release-plugin] prepare for next development iteration" 
This reverts commit 22879777e4.
 2019-07-23 14:54:49 +02:00
Jiri Pechanec
22879777e4 [maven-release-plugin] prepare for next development iteration 2019-07-23 14:10:03 +02:00
Jiri Pechanec
c7340e5152 [maven-release-plugin] prepare release v0.10.0.Beta4 2019-07-23 14:10:02 +02:00
Debezium Builder
71333fda98 [maven-release-plugin] prepare for next development iteration 2019-07-23 02:55:08 -04:00
Debezium Builder
20d006fac7 [maven-release-plugin] prepare release v0.10.0.Beta3 2019-07-23 02:55:08 -04:00
Jenkins user
e95d656bca [maven-release-plugin] prepare for next development iteration 2019-06-27 07:36:13 +00:00
Jenkins user
d95fd87311 [maven-release-plugin] prepare release v0.10.0.Beta2 2019-06-27 07:36:12 +00:00
Jenkins user
5fdb0ca81b [maven-release-plugin] prepare for next development iteration 2019-06-11 11:20:46 +00:00
Jenkins user
61729b9e00 [maven-release-plugin] prepare release v0.10.0.Beta1 2019-06-11 11:20:46 +00:00
Jenkins user
056730d06a [maven-release-plugin] prepare for next development iteration 2019-06-03 10:24:08 +00:00
Jenkins user
7aeaec236e [maven-release-plugin] prepare release v0.10.0.Alpha2 2019-06-03 10:24:08 +00:00
Jiri Pechanec
946019982e DBZ-1303 Assembly without database drivers 2019-05-30 14:32:47 +02:00
Jenkins user
ac5c76e431 [maven-release-plugin] prepare for next development iteration 2019-05-28 14:38:32 +00:00
Jenkins user
35f59ba460 [maven-release-plugin] prepare release v0.10.0.Alpha1 2019-05-28 14:38:32 +00:00
Jenkins user
7748be6056 [maven-release-plugin] prepare for next development iteration 2019-05-02 16:04:56 +00:00
Jenkins user
5af083b86e [maven-release-plugin] prepare release v0.9.5.Final 2019-05-02 16:04:55 +00:00
Jenkins user
cefc5ccfb9 [maven-release-plugin] prepare for next development iteration 2019-04-11 12:07:16 +00:00
Jenkins user
fc3026adc3 [maven-release-plugin] prepare release v0.9.4.Final 2019-04-11 12:07:15 +00:00
Jenkins user
8b0edd1871 [maven-release-plugin] prepare for next development iteration 2019-03-25 12:16:31 +00:00
Jenkins user
56f98a48b2 [maven-release-plugin] prepare release v0.9.3.Final 2019-03-25 12:16:30 +00:00
Jenkins user
50a7c568fa [maven-release-plugin] prepare for next development iteration 2019-02-23 09:53:58 +00:00
Jenkins user
28f3839804 [maven-release-plugin] prepare release v0.9.2.Final 2019-02-23 09:53:58 +00:00
Jenkins user
b96e5fee0d [maven-release-plugin] prepare for next development iteration 2019-02-13 11:13:44 +00:00
Jenkins user
3de2d04bcd [maven-release-plugin] prepare release v0.9.1.Final 2019-02-13 11:13:44 +00:00
Jenkins user
c5b7d21d3e [maven-release-plugin] prepare for next development iteration 2019-01-28 11:07:04 +00:00
Jenkins user
f1ae79ff73 [maven-release-plugin] prepare release v0.9.0.CR1 2019-01-28 11:07:04 +00:00
Jenkins user
5275f73424 [maven-release-plugin] prepare for next development iteration 2018-12-19 13:06:12 +00:00
Jenkins user
b6569c18ae [maven-release-plugin] prepare release v0.9.0.Beta2 2018-12-19 13:06:12 +00:00
Jenkins user
db1d3a7fb8 [maven-release-plugin] prepare for next development iteration 2018-11-20 16:15:14 +00:00
Jenkins user
f83db82cea [maven-release-plugin] prepare release v0.9.0.Beta1 2018-11-20 16:15:14 +00:00
Renato Mefi
13dfa8d9bf DBZ-974 Pair mongo-initiator with Server version 
Avoiding client and servers mismatches, that's outside of debezium scope
to test whether the user has this sort of version mismatch.
 2018-11-16 06:58:09 +01:00
Jenkins user
d952f5dfb0 [maven-release-plugin] prepare for next development iteration 2018-10-04 11:59:14 +00:00
Jenkins user
ff9b70278b [maven-release-plugin] prepare release v0.9.0.Alpha2 2018-10-04 11:59:13 +00:00
Jenkins user
e00dad127f [maven-release-plugin] prepare for next development iteration 2018-07-26 08:00:12 +00:00
Jenkins user
16bfd5c700 [maven-release-plugin] prepare release v0.9.0.Alpha1 2018-07-26 08:00:12 +00:00
Jenkins user
f9b8d830a8 [maven-release-plugin] prepare for next development iteration 2018-07-11 07:36:30 +00:00
Jenkins user
290ded678f [maven-release-plugin] prepare release v0.8.0.Final 2018-07-11 07:36:29 +00:00
Jenkins user
033db6659d [maven-release-plugin] prepare for next development iteration 2018-07-04 07:07:44 +00:00
Jenkins user
696f35f2c0 [maven-release-plugin] prepare release v0.8.0.CR1 2018-07-04 07:07:44 +00:00
Jiri Pechanec
d4c9d24b22 DBZ-779 Detect mongo replicator init completion 2018-07-03 12:24:06 +02:00
Gunnar Morling
bf7a5018ca Setting POM version back to 0.8.0-SNAPSHOT 2018-06-22 12:21:03 +02:00
Jenkins user
db42e4657a [maven-release-plugin] prepare for next development iteration 2018-06-21 14:07:45 +00:00
Jenkins user
c4b8ecaa99 [maven-release-plugin] prepare release v0.8.0.Beta1 2018-06-21 14:07:45 +00:00
Jiri Pechanec
3e9489741d DBZ-529 Upgrade to MongoDB 3.6, compatibility testing 2018-03-29 15:47:59 +02:00
Jenkins user
f4e151b23a [maven-release-plugin] prepare for next development iteration 2018-03-20 08:14:19 +00:00
Jenkins user
93b3252332 [maven-release-plugin] prepare release v0.7.5 2018-03-20 08:14:19 +00:00
Jenkins user
daf27207be [maven-release-plugin] prepare for next development iteration 2018-03-07 08:31:07 +00:00
Jenkins user
9c73774928 [maven-release-plugin] prepare release v0.7.4 2018-03-07 08:31:07 +00:00
Jenkins user
6d0cd88e12 [maven-release-plugin] prepare for next development iteration 2018-02-15 04:15:34 +00:00
Jenkins user
7d1e1a989e [maven-release-plugin] prepare release v0.7.3 2018-02-15 04:15:34 +00:00
Jenkins user
04624341f5 [maven-release-plugin] prepare for next development iteration 2018-01-25 09:39:44 +00:00
Jenkins user
898f6884e1 [maven-release-plugin] prepare release v0.7.2 2018-01-25 09:39:44 +00:00
Gunnar Morling
b7f72bbe3a DBZ-409 Dependency clean-up 2018-01-23 14:41:39 +01:00
Sairam Polavarapu
8f268993ce DBZ-409 Adding SMT for converting MongoDB CDC messages into traditional flat format 2018-01-23 14:41:39 +01:00
Jenkins user
6bb34b42f9 [maven-release-plugin] prepare for next development iteration 2017-12-20 07:15:12 +00:00
Jenkins user
16dcd4c980 [maven-release-plugin] prepare release v0.7.1 2017-12-20 07:15:12 +00:00
Jenkins user
5e09932cb9 [maven-release-plugin] prepare for next development iteration 2017-12-15 05:10:23 +00:00
Jenkins user
6c1d61e03b [maven-release-plugin] prepare release v0.7.0 2017-12-15 05:10:23 +00:00
Gunnar Morling
5fbe742be8 DBZ-285 Specifying scope of dependencies in the individual POMs for the sake of comprehensibility 2017-11-10 16:48:32 +01:00
Ben Williams
a3b4fedd5f DBZ-363 Add support for BIGINT UNSIGNED handling for MySQL 2017-10-18 10:20:03 +02:00
Jenkins user
75937711fa [maven-release-plugin] prepare for next development iteration 2017-09-21 04:42:02 +00:00
Jenkins user
a89b9332e4 [maven-release-plugin] prepare release v0.6.0 2017-09-21 04:42:02 +00:00
Jenkins user
214696ef0c [maven-release-plugin] prepare for next development iteration 2017-08-17 11:51:05 +00:00
Jenkins user
c867e6fea6 [maven-release-plugin] prepare release v0.5.2 2017-08-17 11:51:05 +00:00
Gunnar Morling
a8d1817c22 [maven-release-plugin] prepare for next development iteration 2017-06-09 16:14:31 +00:00
Gunnar Morling
3f512aace7 [maven-release-plugin] prepare release v0.5.1 2017-06-09 16:14:31 +00:00
Randall Hauch
bcaf1a88b3 DBZ-213 Corrected MongoDB connector build 
Changed how the mongo-init process waits to begin by now looking for the second MongoDB server log message
saying it is ready, since the MongoDB image now has different startup behavior.
 2017-04-04 11:13:25 -05:00
Randall Hauch
709cd8f3fe [maven-release-plugin] prepare for next development iteration 2017-03-27 11:28:12 -05:00
Randall Hauch
2bc3d45954 [maven-release-plugin] prepare release v0.5.0 2017-03-27 11:28:11 -05:00
Randall Hauch
430d756062 [maven-release-plugin] prepare for next development iteration 2017-03-17 15:41:58 -05:00
Randall Hauch
536cbf6300 [maven-release-plugin] prepare release v0.4.1 2017-03-17 15:41:57 -05:00
Randall Hauch
8c60c29883 [maven-release-plugin] prepare for next development iteration 2017-02-07 14:22:12 -06:00
Randall Hauch
20134286e9 [maven-release-plugin] prepare release v0.4.0 2017-02-07 14:22:11 -06:00
Horia Chiorean
a300d3e1cf DBZ-3 Changes the configuration of the Docker Maven plugin to only use alias naming when necessary and moves the PG connector ahead of the Mongo connector in the build 2016-12-27 14:44:33 +02:00
Randall Hauch
e86fb83459 [maven-release-plugin] prepare for next development iteration 2016-08-16 09:56:47 -05:00
Randall Hauch
ccdb0a1a63 [maven-release-plugin] prepare release v0.3.0 2016-08-16 09:56:47 -05:00
Randall Hauch
8cb39eacf0 Reverted back to 0.3.0-SNAPSHOT, since the 0.3 candidate release was not acceptable. 2016-08-01 12:25:58 -05:00
Randall Hauch
517272278d [maven-release-plugin] prepare for next development iteration 2016-07-25 17:50:31 -05:00
Randall Hauch
b89296e646 [maven-release-plugin] prepare release v0.3.0 2016-07-25 17:50:31 -05:00
Randall Hauch
12e7cfb8d3 DBZ-2 Created initial Maven module with a MongoDB connector 
Added a new `debezium-connector-mongodb` module that defines a MongoDB connector. The MongoDB connector can capture and record the changes within a MongoDB replica set, or when seeded with addresses of the configuration server of a MongoDB sharded cluster, the connector captures the changes from the each replica set used as a shard. In the latter case, the connector even discovers the addition of or removal of shards.

The connector monitors each replica set using multiple tasks and, if needed, separate threads within each task. When a replica set is being monitored for the first time, the connector will perform an "initial sync" of that replica set's databases and collections. Once the initial sync has completed, the connector will then begin tailing the oplog of the replica set, starting at the exact point in time at which it started the initial sync. This equivalent to how MongoDB replication works.

The connector always uses the replica set's primary node to tail the oplog. If the replica set undergoes an election and different node becomes primary, the connector will immediately stop tailing the oplog, connect to the new primary, and start tailing the oplog using the new primary node. Likewise, if connector experiences any problems communicating with the replica set members, it will try to reconnect (using exponential backoff so as to not overwhelm the replica set) and continue tailing the oplog from where it last left off. In this way the connector is able to dynamically adjust to changes in replica set membership and to automatically handle communication failures.

The MongoDB oplog contains limited information, and in particular the events describing updates and deletes do not actually have the before or after state of the documents. Instead, the oplog events are all idempotent, so updates contain the effective changes that were made during an update, and deletes merely contain the deleted document identifier. Consequently, the connector is limited in the information it includes in its output events. Create and read events do contain the initial state, but the update contain only the changes (rather than the before and/or after states of the document) and delete events do not have the before state of the deleted document. All connector events, however, do contain the local system timestamp at which the event was processed and _source_ information detailing the origins of the event, including the replica set name, the MongoDB transaction timestamp of the event, and the transactions identifier among other things.

It is possible for MongoDB to lose commits in specific failure situations. For exmaple, if the primary applies a change and records it in its oplog before it then crashes unexpectedly, the secondary nodes may not have had a chance to read those changes from the primary's oplog before the primary crashed. If one such secondary is then elected as primary, it's oplog is missing the last changes that the old primary had recorded and no longer has those changes. In these cases where MongoDB loses changes recorded in a primary's oplog, it is possible that the MongoDB connector may or may not capture these lost changes.
 2016-07-14 13:02:36 -05:00