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Return idle connection from Consumer to avoid timeout

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Fixes #732
This commit is contained in:
Brokkonaut
2018-12-11 05:11:13 +01:00
parent 9f8fd3e1ca
commit 31ef2d942b
1 changed files with 15 additions and 3 deletions
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18
src/main/java/de/diddiz/LogBlock/Consumer.java
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@ -56,6 +56,7 @@ import de.diddiz.util.Utils;
public class Consumer extends Thread {
private static final int MAX_SHUTDOWN_TIME_MILLIS = 20000;
private static final int WAIT_FOR_CONNECTION_TIME_MILLIS = 10000;
private static final int RETURN_IDLE_CONNECTION_TIME_MILLIS = 120000;
private static final int RETRIES_ON_UNKNOWN_CONNECTION_ERROR = 2;
private final Deque<Row> queue = new ArrayDeque<Row>();
@ -434,7 +435,6 @@ public class Consumer extends Thread {
try {
if (conn == null) {
batchHelper.reset();
logblock.getLogger().info("[Consumer] Connecting to the database!");
conn = logblock.getConnection();
if (conn != null) {
// initialize connection
@ -476,7 +476,19 @@ public class Consumer extends Thread {
if (r == null) {
try {
if (currentRows.isEmpty() && !shutdown) {
queue.wait(); // nothing to do for us
// nothing to do for us
// wait some time before closing the connection
queue.wait(RETURN_IDLE_CONNECTION_TIME_MILLIS);
// if there is still nothing to do, close the connection and go to sleep
if (queue.isEmpty() && !shutdown) {
try {
conn.close();
} catch (Exception e) {
// ignored
}
conn = null;
queue.wait();
}
} else {
processBatch = true;
}
@ -499,7 +511,7 @@ public class Consumer extends Thread {
r.process(conn, batchHelper);
}
}
if (currentRows.size() >= (processBatch ? 1 : (Config.forceToProcessAtLeast * 10))) {
if (currentRows.size() >= Math.max((processBatch ? 1 : (Config.forceToProcessAtLeast * 10)), 1)) {
batchHelper.processStatements(conn);
conn.commit();
currentRows.clear();