[kudu-CR] KUDU-1682. Lock contention on table locations cache in Java client

2016-10-13 Thread Jean-Daniel Cryans (Code Review)
Jean-Daniel Cryans has submitted this change and it was merged.

Change subject: KUDU-1682. Lock contention on table locations cache in Java 
client
..


KUDU-1682. Lock contention on table locations cache in Java client

Change-Id: I0f6ba8f4fced6f043f7132fd11078044b004ea21
Reviewed-on: http://gerrit.cloudera.org:8080/4706
Reviewed-by: Adar Dembo 
Reviewed-by: Dan Burkert 
Tested-by: Kudu Jenkins
---
M java/kudu-client/src/main/java/org/apache/kudu/client/TableLocationsCache.java
1 file changed, 23 insertions(+), 6 deletions(-)

Approvals:
  Dan Burkert: Looks good to me, but someone else must approve
  Adar Dembo: Looks good to me, approved
  Kudu Jenkins: Verified



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Gerrit-MessageType: merged
Gerrit-Change-Id: I0f6ba8f4fced6f043f7132fd11078044b004ea21
Gerrit-PatchSet: 2
Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-Owner: Jean-Daniel Cryans 
Gerrit-Reviewer: Adar Dembo 
Gerrit-Reviewer: Dan Burkert 
Gerrit-Reviewer: Jean-Daniel Cryans 
Gerrit-Reviewer: Kudu Jenkins


[kudu-CR] KUDU-1682. Lock contention on table locations cache in Java client

2016-10-12 Thread Dan Burkert (Code Review)
Dan Burkert has posted comments on this change.

Change subject: KUDU-1682. Lock contention on table locations cache in Java 
client
..


Patch Set 1: Code-Review+1

(1 comment)

http://gerrit.cloudera.org:8080/#/c/4706/1/java/kudu-client/src/main/java/org/apache/kudu/client/TableLocationsCache.java
File 
java/kudu-client/src/main/java/org/apache/kudu/client/TableLocationsCache.java:

Line 58:   rwl.readLock().lock();
> I don't suppose synchronized(rwl.readLock()) would work? The try/finally is
It will compile, but it has different (wrong) semantics.


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Gerrit-MessageType: comment
Gerrit-Change-Id: I0f6ba8f4fced6f043f7132fd11078044b004ea21
Gerrit-PatchSet: 1
Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-Owner: Jean-Daniel Cryans 
Gerrit-Reviewer: Adar Dembo 
Gerrit-Reviewer: Dan Burkert 
Gerrit-Reviewer: Kudu Jenkins
Gerrit-HasComments: Yes


[kudu-CR] KUDU-1682. Lock contention on table locations cache in Java client

2016-10-12 Thread Adar Dembo (Code Review)
Adar Dembo has posted comments on this change.

Change subject: KUDU-1682. Lock contention on table locations cache in Java 
client
..


Patch Set 1: Code-Review+2

(1 comment)

http://gerrit.cloudera.org:8080/#/c/4706/1/java/kudu-client/src/main/java/org/apache/kudu/client/TableLocationsCache.java
File 
java/kudu-client/src/main/java/org/apache/kudu/client/TableLocationsCache.java:

Line 58:   rwl.readLock().lock();
I don't suppose synchronized(rwl.readLock()) would work? The try/finally is a 
lot of noise.


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Gerrit-MessageType: comment
Gerrit-Change-Id: I0f6ba8f4fced6f043f7132fd11078044b004ea21
Gerrit-PatchSet: 1
Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-Owner: Jean-Daniel Cryans 
Gerrit-Reviewer: Adar Dembo 
Gerrit-Reviewer: Dan Burkert 
Gerrit-Reviewer: Kudu Jenkins
Gerrit-HasComments: Yes


[kudu-CR] KUDU-1682. Lock contention on table locations cache in Java client

2016-10-12 Thread Jean-Daniel Cryans (Code Review)
Jean-Daniel Cryans has uploaded a new change for review.

  http://gerrit.cloudera.org:8080/4706

Change subject: KUDU-1682. Lock contention on table locations cache in Java 
client
..

KUDU-1682. Lock contention on table locations cache in Java client

Change-Id: I0f6ba8f4fced6f043f7132fd11078044b004ea21
---
M java/kudu-client/src/main/java/org/apache/kudu/client/TableLocationsCache.java
1 file changed, 23 insertions(+), 6 deletions(-)


  git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/06/4706/1
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Gerrit-MessageType: newchange
Gerrit-Change-Id: I0f6ba8f4fced6f043f7132fd11078044b004ea21
Gerrit-PatchSet: 1
Gerrit-Project: kudu
Gerrit-Branch: master
Gerrit-Owner: Jean-Daniel Cryans