common: simpler erasure code technique

Change the default technique from Cauchy to ReedSolomon. Although it is
less efficient the alignment constraints are more intuitive.

Signed-off-by: Loic Dachary <loic@dachary.org>

diff --git a/src/common/config_opts.h b/src/common/config_opts.h
index 6993c5e8cad1c53f15f900e34532885954f1c076..0395fec937db578407bb360a8135fb82a2fcd1ef 100644 (file)
--- a/src/common/config_opts.h
+++ b/src/common/config_opts.h
@@ -404,8 +404,7 @@ OPTION(osd_pool_default_erasure_code_directory, OPT_STR, CEPH_PKGLIBDIR"/erasure
 OPTION(osd_pool_default_erasure_code_properties,
        OPT_STR,
        "erasure-code-plugin=jerasure "
-       "erasure-code-technique=cauchy_good "
-       "erasure-code-packetsize=3072 "
+       "erasure-code-technique=reed_sol_van "
        "erasure-code-k=4 "
        "erasure-code-m=2 "
        ) // default properties of osd pool create