You are viewing a plain text version of this content. The canonical link for it is here.
Posted to commits@zookeeper.apache.org by an...@apache.org on 2019/05/20 10:24:58 UTC
[zookeeper] branch master updated: ZOOKEEPER-3396: Flaky test in
RestoreCommittedLogTest
This is an automated email from the ASF dual-hosted git repository.
andor pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/zookeeper.git
The following commit(s) were added to refs/heads/master by this push:
new 1264e9f ZOOKEEPER-3396: Flaky test in RestoreCommittedLogTest
1264e9f is described below
commit 1264e9f2ba8e8724a9352387b22e784716816722
Author: Brian Nixon <ni...@fb.com>
AuthorDate: Mon May 20 12:24:52 2019 +0200
ZOOKEEPER-3396: Flaky test in RestoreCommittedLogTest
Adjusting parameters of RestoreCommittedLogTest to avoid failures caused by threshold configured to be below the minimum allowed file size
Author: Brian Nixon <ni...@fb.com>
Reviewers: eolivelli@apache.org, andor@apache.org
Closes #949 from enixon/patch-snap-size
---
zookeeper-docs/src/main/resources/markdown/zookeeperAdmin.md | 6 ++++--
.../java/org/apache/zookeeper/test/RestoreCommittedLogTest.java | 7 +++++--
2 files changed, 9 insertions(+), 4 deletions(-)
diff --git a/zookeeper-docs/src/main/resources/markdown/zookeeperAdmin.md b/zookeeper-docs/src/main/resources/markdown/zookeeperAdmin.md
index 9996db9..1c8b9fd 100644
--- a/zookeeper-docs/src/main/resources/markdown/zookeeperAdmin.md
+++ b/zookeeper-docs/src/main/resources/markdown/zookeeperAdmin.md
@@ -636,8 +636,10 @@ property, when available, is noted below.
from taking a snapshot at the same time, each ZooKeeper server
will take a snapshot when the size in bytes of the set of transactions in the
transaction log reaches a runtime generated random value in the \[snapSize/2+1, snapSize]
- range. The default snapSizeLimitInKb is 4,194,304 (4GB). A non-positive
- value will disable the feature.
+ range. Each file system has a minimum standard file size and in order
+ to for valid functioning of this feature, the number chosen must be larger
+ than that value. The default snapSizeLimitInKb is 4,194,304 (4GB).
+ A non-positive value will disable the feature.
* *txnLogSizeLimitInKb* :
(Java system property: **zookeeper.txnLogSizeLimitInKb**)
diff --git a/zookeeper-server/src/test/java/org/apache/zookeeper/test/RestoreCommittedLogTest.java b/zookeeper-server/src/test/java/org/apache/zookeeper/test/RestoreCommittedLogTest.java
index e630b85..7425561 100644
--- a/zookeeper-server/src/test/java/org/apache/zookeeper/test/RestoreCommittedLogTest.java
+++ b/zookeeper-server/src/test/java/org/apache/zookeeper/test/RestoreCommittedLogTest.java
@@ -53,7 +53,7 @@ public class RestoreCommittedLogTest extends ZKTestCase{
@Test
public void testRestoreCommittedLogWithSnapSize() throws Exception {
final int minExpectedSnapshots = 5;
- final int minTxnsToSnap = 40;
+ final int minTxnsToSnap = 256;
final int numTransactions = minExpectedSnapshots * minTxnsToSnap;
final StringBuilder sb = new StringBuilder();
for (int i = 0; i < 4*1024; i++) {
@@ -61,7 +61,10 @@ public class RestoreCommittedLogTest extends ZKTestCase{
}
final byte[] data = sb.toString().getBytes();
- SyncRequestProcessor.setSnapCount(numTransactions * 1000);
+ SyncRequestProcessor.setSnapCount(numTransactions * 1000 /* just some high number */);
+ // The test breaks if this number is less than the smallest size file
+ // created on the system, as revealed through File::length.
+ // Setting to about 1 Mb.
SyncRequestProcessor.setSnapSizeInBytes(minTxnsToSnap * data.length);
testRestoreCommittedLog(numTransactions, data, minExpectedSnapshots);