diff options
Diffstat (limited to 'xlators')
| -rw-r--r-- | xlators/mount/fuse/src/fuse-bridge.c | 43 | ||||
| -rw-r--r-- | xlators/mount/fuse/src/fuse-bridge.h | 4 | ||||
| -rwxr-xr-x | xlators/mount/fuse/utils/mount.glusterfs.in | 10 |
3 files changed, 54 insertions, 3 deletions
diff --git a/xlators/mount/fuse/src/fuse-bridge.c b/xlators/mount/fuse/src/fuse-bridge.c index af6de8cd07c..7915964ed95 100644 --- a/xlators/mount/fuse/src/fuse-bridge.c +++ b/xlators/mount/fuse/src/fuse-bridge.c @@ -3498,9 +3498,8 @@ fuse_init (xlator_t *this, fuse_in_header_t *finh, void *msg) } if (fini->minor >= 13) { - /* these values seemed to work fine during testing */ - fino.max_background = 64; - fino.congestion_threshold = 48; + fino.max_background = priv->background_qlen; + fino.congestion_threshold = priv->congestion_threshold; } if (fini->minor < 9) *priv->msg0_len_p = sizeof(*finh) + FUSE_COMPAT_WRITE_IN_SIZE; @@ -4650,6 +4649,32 @@ init (xlator_t *this_xl) goto cleanup_exit; } + /* default values seemed to work fine during testing */ + GF_OPTION_INIT ("background-qlen", priv->background_qlen, int32, + cleanup_exit); + GF_OPTION_INIT ("congestion-threshold", priv->congestion_threshold, + int32, cleanup_exit); + + /* user has set only background-qlen, not congestion-threshold, + use the fuse kernel driver formula to set congestion. ie, 75% */ + if (dict_get (this_xl->options, "background-qlen") && + !dict_get (this_xl->options, "congestion-threshold")) { + priv->congestion_threshold = (priv->background_qlen * 3) / 4; + gf_log (this_xl->name, GF_LOG_INFO, + "setting congestion control as 75%% of " + "background-queue length (ie, (.75 * %d) = %d", + priv->background_qlen, priv->congestion_threshold); + } + + /* congestion should not be higher than background queue length */ + if (priv->congestion_threshold > priv->background_qlen) { + gf_log (this_xl->name, GF_LOG_INFO, + "setting congestion control same as " + "background-queue length (%d)", + priv->background_qlen); + priv->congestion_threshold = priv->background_qlen; + } + cmd_args = &this_xl->ctx->cmd_args; fsname = cmd_args->volfile; if (!fsname && cmd_args->volfile_server) { @@ -4833,5 +4858,17 @@ struct volume_options options[] = { .type = GF_OPTION_TYPE_BOOL, .default_value = "false" }, + { .key = {"background-qlen"}, + .type = GF_OPTION_TYPE_INT, + .default_value = "64", + .min = 16, + .max = (64 * GF_UNIT_KB), + }, + { .key = {"congestion-threshold"}, + .type = GF_OPTION_TYPE_INT, + .default_value = "48", + .min = 12, + .max = (64 * GF_UNIT_KB), + }, { .key = {NULL} }, }; diff --git a/xlators/mount/fuse/src/fuse-bridge.h b/xlators/mount/fuse/src/fuse-bridge.h index 055cbd3110c..9b90d0a47fd 100644 --- a/xlators/mount/fuse/src/fuse-bridge.h +++ b/xlators/mount/fuse/src/fuse-bridge.h @@ -123,6 +123,10 @@ struct fuse_private { /* For communicating with separate mount thread. */ int status_pipe[2]; + + /* for fuse queue length and congestion threshold */ + int background_qlen; + int congestion_threshold; }; typedef struct fuse_private fuse_private_t; diff --git a/xlators/mount/fuse/utils/mount.glusterfs.in b/xlators/mount/fuse/utils/mount.glusterfs.in index a0a31660ab3..3bbbc3a06e9 100755 --- a/xlators/mount/fuse/utils/mount.glusterfs.in +++ b/xlators/mount/fuse/utils/mount.glusterfs.in @@ -144,6 +144,14 @@ start_glusterfs () cmd_line=$(echo "$cmd_line --fopen-keep-cache"); fi + if [ -n "$bg_qlen" ]; then + cmd_line=$(echo "$cmd_line --background-qlen=$bg_qlen"); + fi + + if [ -n "$cong_threshold" ]; then + cmd_line=$(echo "$cmd_line --congestion-threshold=$cong_threshold"); + fi + # for rdma volume, we have to fetch volfile with '.rdma' added # to volume name, so that it fetches the right client vol file volume_id_rdma=""; @@ -335,6 +343,8 @@ main () "entry-timeout") entry_timeout=$value ;; "negative-timeout") negative_timeout=$value ;; "gid-timeout") gid_timeout=$value ;; + "background-qlen") bg_qlen=$value ;; + "congestion-threshold") cong_threshold=$value ;; *) echo "unknown option $key (ignored)" ;; esac esac |