Wang Xixu has uploaded this change for review. ( http://gerrit.cloudera.org:8080/20761
Change subject: [Java] KUDU-3498 Scanner keeps alive in periodically ...................................................................... [Java] KUDU-3498 Scanner keeps alive in periodically Kudu caches the scanner in the tablet server for continuing reading. It will be expired if the idle time is over the defined scanner ttl time. Sometimes the client reads a batch of data, if the data is every large, it takes a long time to handle it. Then the client reads the next batch using the same scanner, the scanner will be expired even if it has sent a keep alive request. This patch adds support for keeping a scanner alive periodically. It uses a timer to send keep alive requests background. So, it will never be expired when the scanner is in using. Change-Id: I50648e987b72aead472a20ff4336e3e7f23d8e06 --- M java/kudu-client/src/main/java/org/apache/kudu/client/AsyncKuduClient.java M java/kudu-client/src/main/java/org/apache/kudu/client/AsyncKuduScanner.java M java/kudu-client/src/main/java/org/apache/kudu/client/KuduScanner.java M java/kudu-client/src/test/java/org/apache/kudu/client/TestKuduClient.java 4 files changed, 197 insertions(+), 1 deletion(-) git pull ssh://gerrit.cloudera.org:29418/kudu refs/changes/61/20761/1 -- To view, visit http://gerrit.cloudera.org:8080/20761 To unsubscribe, visit http://gerrit.cloudera.org:8080/settings Gerrit-Project: kudu Gerrit-Branch: master Gerrit-MessageType: newchange Gerrit-Change-Id: I50648e987b72aead472a20ff4336e3e7f23d8e06 Gerrit-Change-Number: 20761 Gerrit-PatchSet: 1 Gerrit-Owner: Wang Xixu <[email protected]>
