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hexiaoqiao pushed a commit to branch branch-3.3
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The following commit(s) were added to refs/heads/branch-3.3 by this push:
new 7251a3d5f550 HADOOP-18906. Increase default batch size of ZKDTSM token
seqnum to reduce overflow speed of zonde dataVersion. (#6097)
7251a3d5f550 is described below
commit 7251a3d5f550cd5d7d7f5792c47628f13d6c0981
Author: Hexiaoqiao <hexiaoq...@apache.org>
AuthorDate: Tue Sep 19 01:50:53 2023 +0800
HADOOP-18906. Increase default batch size of ZKDTSM token seqnum to reduce
overflow speed of zonde dataVersion. (#6097)
(cherry picked from commit 23c22b282319a407a2b37a6ebbd4f85873351d36)
---
.../security/token/delegation/ZKDelegationTokenSecretManager.java | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git
a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/token/delegation/ZKDelegationTokenSecretManager.java
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/token/delegation/ZKDelegationTokenSecretManager.java
index a7c637b8ddd0..2731adbf05e2 100644
---
a/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/token/delegation/ZKDelegationTokenSecretManager.java
+++
b/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/security/token/delegation/ZKDelegationTokenSecretManager.java
@@ -109,8 +109,9 @@ public abstract class
ZKDelegationTokenSecretManager<TokenIdent extends Abstract
public static final int ZK_DTSM_ZK_CONNECTION_TIMEOUT_DEFAULT = 10000;
public static final int ZK_DTSM_ZK_SHUTDOWN_TIMEOUT_DEFAULT = 10000;
public static final String ZK_DTSM_ZNODE_WORKING_PATH_DEAFULT = "zkdtsm";
- // by default it is still incrementing seq number by 1 each time
- public static final int ZK_DTSM_TOKEN_SEQNUM_BATCH_SIZE_DEFAULT = 1;
+ // By default, increase seq number by 100 each time to reduce overflow
+ // speed of znode dataVersion which is 32-integer now.
+ public static final int ZK_DTSM_TOKEN_SEQNUM_BATCH_SIZE_DEFAULT = 100;
private static final Logger LOG = LoggerFactory
.getLogger(ZKDelegationTokenSecretManager.class);
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