From d97863562bb0d2f685df3d2e3aa4bef1299c8307 Mon Sep 17 00:00:00 2001 From: Xavier Hernandez Date: Mon, 14 Jul 2014 17:34:04 +0200 Subject: ec: Optimize read/write performance This patch significantly improves performance of read/write operations on a dispersed volume by reusing previous inodelk/ entrylk operations on the same inode/entry. This reduces the latency of each individual operation considerably. Inode version and size are also updated when needed instead of on each request. This gives an additional boost. Change-Id: I4b98d5508c86b53032e16e295f72a3f83fd8fcac BUG: 1122586 Signed-off-by: Xavier Hernandez Reviewed-on: http://review.gluster.org/8369 Tested-by: Gluster Build System Reviewed-by: Jeff Darcy Reviewed-by: Dan Lambright --- xlators/cluster/ec/src/ec.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'xlators/cluster/ec/src/ec.c') diff --git a/xlators/cluster/ec/src/ec.c b/xlators/cluster/ec/src/ec.c index 8554f20df0d..93bee1a4d32 100644 --- a/xlators/cluster/ec/src/ec.c +++ b/xlators/cluster/ec/src/ec.c @@ -151,6 +151,11 @@ void __ec_destroy_private(xlator_t * this) mem_pool_destroy(ec->cbk_pool); } + if (ec->lock_pool != NULL) + { + mem_pool_destroy(ec->lock_pool); + } + LOCK_DESTROY(&ec->lock); GF_FREE(ec); @@ -350,7 +355,9 @@ int32_t init(xlator_t * this) ec->fop_pool = mem_pool_new(ec_fop_data_t, 1024); ec->cbk_pool = mem_pool_new(ec_cbk_data_t, 4096); - if ((ec->fop_pool == NULL) || (ec->cbk_pool == NULL)) + ec->lock_pool = mem_pool_new(ec_lock_t, 1024); + if ((ec->fop_pool == NULL) || (ec->cbk_pool == NULL) || + (ec->lock_pool == NULL)) { gf_log(this->name, GF_LOG_ERROR, "Failed to create memory pools."); -- cgit