From f004b68c1fd22f0b2b08fc09e4abdc63e92d85da Mon Sep 17 00:00:00 2001 From: Linda Bebernes Date: Tue, 1 Oct 2013 12:34:02 -0700 Subject: [PATCH] LUDOC-11 bugfix: Changed block to bulk, other misc. formatting changes. In section 24.6.1 "Using stats_collect", changed "block" to "bulk" for BRW definition. Also, added some "literal" formats. Signed-off-by: Linda Bebernes Change-Id: Ib01dbcfc0f3a5616a7923075a9b48688b7bb88d4 Reviewed-on: http://review.whamcloud.com/7819 Tested-by: Hudson Reviewed-by: Andreas Dilger --- BenchmarkingTests.xml | 34 +++++++++++++++++++++------------- 1 file changed, 21 insertions(+), 13 deletions(-) diff --git a/BenchmarkingTests.xml b/BenchmarkingTests.xml index b044aff..0f56cb6 100644 --- a/BenchmarkingTests.xml +++ b/BenchmarkingTests.xml @@ -602,7 +602,9 @@ write speeds. The ost-survey tool is used to detect anomalies between otherwise identical disk subsystems. - We have frequently discovered wide performance variations across all LUNs in a cluster. This may be caused by faulty disks, RAID parity reconstruction during the test, or faulty network hardware. + We have frequently discovered wide performance variations across all LUNs in a cluster. + This may be caused by faulty disks, RAID parity reconstruction during the test, or faulty + network hardware. To run the ost-survey script, supply a file size (in KB) and the Lustre mount point. For example, run: @@ -665,40 +667,46 @@ performanceTesting MDS Performance (mds-survey< The script must be customized according to the components under test and where it should keep its working files. Customization variables are described as followed: - thrlo - threads to start testing. skipped if less than dir_count + thrlo - threads to start testing. skipped if less than + dir_count - thrhi - maximum number of threads to test + thrhi - maximum number of threads to test - targets - MDT instance + targets - MDT instance - file_count - number of files per thread to test + file_count - number of files per thread to test - dir_count - total number of directories to test. Must be less than or equal to thrhi + dir_count - total number of directories to test. Must be less + than or equal to thrhi - stripe_count - number stripe on OST objects + stripe_count - number stripe on OST objects - tests_str - test operations. Must have at least "create" and "destroy" + tests_str - test operations. Must have at least "create" and + "destroy" - start_number - base number for each thread to prevent name collisions + start_number - base number for each thread to prevent name + collisions - layer - MDS stack's layer to be tested + layer - MDS stack's layer to be tested Run without OST objects creation: Setup the Lustre MDS without OST mounted. Then invoke the mds-survey script $ thrhi=64 file_count=200000 sh mds-survey Run with OST objects creation: - Setup the Lustre MDS with at least one OST mounted. Then invoke the mds-survey script with stripe_count parameter + Setup the Lustre MDS with at least one OST mounted. Then invoke the + mds-survey script with stripe_count + parameter $ thrhi=64 file_count=200000 stripe_count=2 sh mds-survey - Note: a specific mdt instance can be specified using targets variable. + Note: a specific MDT instance can be specified using targets variable. $ targets=lustre-MDT0000 thrhi=64 file_count=200000 stripe_count=2 sh mds-survey @@ -880,7 +888,7 @@ performanceTesting MDS Performance (mds-survey< SERVICE - Lustre OST and MDT RPC service statistics - BRW - OST block read/write statistics (brw_stats) + BRW - OST bulk read/write statistics (brw_stats) SDIO - SCSI disk IO statistics (sd_iostats) -- 1.8.3.1