Writing to the trace file is now faster, specially with the debug level.

h2/src/docsrc/html/changelog.html

@@ -17,7 +17,8 @@ Change Log
 <h1>Change Log</h1>
 
 <h2>Next Version (unreleased)</h2>
-<ul><li>The database option "defrag_always=true" did not work with the MVStore.
+<ul><li>Writing to the trace file is now faster, specially with the debug level.
+</li><li>The database option "defrag_always=true" did not work with the MVStore.
 </li><li>The JDBC escape syntax {ts 'value'} did not interpret the value as a timestamp.
     The same for {d 'value'} (for date) and {t 'value'} (for time).
     Thanks to Lukas Eder for reporting the issue.

h2/src/main/org/h2/message/TraceSystem.java

@@ -76,7 +76,7 @@ public class TraceSystem implements TraceWriter {
      */
     private static final int DEFAULT_MAX_FILE_SIZE = 64 * 1024 * 1024;
 
-    private static final int CHECK_SIZE_EACH_WRITES = 128;
+    private static final int CHECK_SIZE_EACH_WRITES = 4096;
 
     private int levelSystemOut = DEFAULT_TRACE_LEVEL_SYSTEM_OUT;
     private int levelFile = DEFAULT_TRACE_LEVEL_FILE;