X-Git-Url: http://git.vrable.net/?a=blobdiff_plain;f=bluesky%2Finit.c;h=520ed57518f4c6ec2402b279038c506fd78e9ebc;hb=641411b0a7ce9afa309bea28c01320eda913b2d2;hp=7a6efe12a068e28fe82dd79756cb7903d0f301de;hpb=8ff2f84811f4d4b7c684e04b4cc8d1aced2a1d4a;p=bluesky.git

diff --git a/bluesky/init.c b/bluesky/init.c
index 7a6efe1..520ed57 100644
--- a/bluesky/init.c
+++ b/bluesky/init.c
@@ -15,6 +15,27 @@
 
 BlueSkyOptions bluesky_options;
 
+/* Maximum number of threads to use in any particular thread pool, or -1 for no
+ * limit */
+int bluesky_max_threads = 16;
+
+/* Watermark levels for cache tuning: these control when dirty data is flushed
+ * from cache, when clean data is dropped from the cache, etc.  These values
+ * are measured in blocks, not bytes.
+ *
+ * There are a few relevant levels:
+ *   low: Below this point, data is not forced out due to memory pressure
+ *   medium: At this point start flushing data to get back below medium
+ *   high: Flush data very aggressively (launch extra tasks if needed)
+ */
+int bluesky_watermark_low_dirty    = (64 << 20) / BLUESKY_BLOCK_SIZE;
+int bluesky_watermark_medium_dirty = (96 << 20) / BLUESKY_BLOCK_SIZE;
+int bluesky_watermark_high_dirty   = (192 << 20) / BLUESKY_BLOCK_SIZE;
+
+int bluesky_watermark_low_total    = (64 << 20) / BLUESKY_BLOCK_SIZE;
+int bluesky_watermark_medium_total = (128 << 20) / BLUESKY_BLOCK_SIZE;
+int bluesky_watermark_high_total   = (256 << 20) / BLUESKY_BLOCK_SIZE;
+
 /* Environment variables that can be used to initialize settings. */
 static struct {
     const char *env;
@@ -23,12 +44,14 @@ static struct {
     {"BLUESKY_OPT_SYNC_STORES", &bluesky_options.synchronous_stores},
     {"BLUESKY_OPT_WRITETHROUGH", &bluesky_options.writethrough_cache},
     {"BLUESKY_OPT_SYNC_INODE_FETCH", &bluesky_options.sync_inode_fetches},
+    {"BLUESKY_OPT_SYNC_FRONTENDS", &bluesky_options.sync_frontends},
     {NULL, NULL}
 };
 
 /* BlueSky library initialization. */
 
 void bluesky_store_init_s3(void);
+void bluesky_store_init_kv(void);
 
 /* Initialize the BlueSky library and dependent libraries. */
 void bluesky_init(void)
@@ -46,5 +69,6 @@ void bluesky_init(void)
     }
 
     bluesky_store_init();
+    bluesky_store_init_kv();
     bluesky_store_init_s3();
 }