Add option for max file size. The currend hard-coded value of 2M is inefficient in colossus.

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=134391640

1 files changed, 12 insertions, 0 deletions

diff --git a/include/leveldb/options.h b/include/leveldb/options.h
index 83a1ef3..976e381 100644
--- a/include/leveldb/options.h
+++ b/include/leveldb/options.h
@@ -112,6 +112,18 @@ struct Options {
   // Default: 16
   int block_restart_interval;
 
+  // Leveldb will write up to this amount of bytes to a file before
+  // switching to a new one.
+  // Most clients should leave this parameter alone.  However if your
+  // filesystem is more efficient with larger files, you could
+  // consider increasing the value.  The downside will be longer
+  // compactions and hence longer latency/performance hiccups.
+  // Another reason to increase this parameter might be when you are
+  // initially populating a large database.
+  //
+  // Default: 2MB
+  size_t max_file_size;
+
   // Compress blocks using the specified compression algorithm.  This
   // parameter can be changed dynamically.
   //