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Implement a FIO engine for testing cluster I/O

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This commit is contained in:
Vitaliy Filippov
2020-06-07 00:30:15 +03:00
parent 226f5a2945
commit 437dc5b630
8 changed files with 469 additions and 8 deletions
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cluster_client.cpp
+38
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@@ -104,6 +104,11 @@ void cluster_client_t::on_load_config_hook(json11::Json::object & config)
if (!pg_stripe_size)
pg_stripe_size = DEFAULT_PG_STRIPE_SIZE;
}
if (config["immediate_commit"] == "all")
{
// Cluster-wide immediate_commit mode
immediate_commit = true;
}
msgr.peer_connect_interval = config["peer_connect_interval"].uint64_value();
if (!msgr.peer_connect_interval)
msgr.peer_connect_interval = DEFAULT_PEER_CONNECT_INTERVAL;
@@ -148,8 +153,16 @@ void cluster_client_t::on_change_osd_state_hook(uint64_t peer_osd)
}
}
// FIXME: Implement OSD_OP_SYNC for immediate_commit == false
void cluster_client_t::execute(cluster_op_t *op)
{
if (op->opcode == OSD_OP_SYNC && immediate_commit)
{
// Syncs are not required in the immediate_commit mode
op->retval = 0;
std::function<void(cluster_op_t*)>(op->callback)(op);
return;
}
if (op->opcode != OSD_OP_READ && op->opcode != OSD_OP_OUT || !op->inode || !op->len ||
op->offset % bs_disk_alignment || op->len % bs_disk_alignment)
{
@@ -163,6 +176,30 @@ void cluster_client_t::execute(cluster_op_t *op)
unsent_ops.insert(op);
return;
}
if (op->opcode == OSD_OP_WRITE && !immediate_commit)
{
// Copy operation
cluster_op_t *op_copy = new cluster_op_t();
op_copy->opcode = op->opcode;
op_copy->inode = op->inode;
op_copy->offset = op->offset;
op_copy->len = op->len;
op_copy->buf = malloc(op->len);
memcpy(op_copy->buf, op->buf, op->len);
unsynced_ops.push_back(op_copy);
unsynced_bytes += op->len;
if (inmemory_commit)
{
// Immediately acknowledge write and continue with the copy
op->retval = op->len;
std::function<void(cluster_op_t*)>(op->callback)(op);
op = op_copy;
}
if (unsynced_bytes >= inmemory_dirty_limit)
{
// Push an extra SYNC operation
}
}
// Slice the request into individual object stripe requests
// Primary OSDs still operate individual stripes, but their size is multiplied by PG minsize in case of EC
uint64_t pg_block_size = bs_block_size * pg_part_count;
@@ -304,6 +341,7 @@ void cluster_client_t::handle_op_part(cluster_op_part_t *part)
if (op->done_count >= op->parts.size())
{
// Finished!
sent_ops.erase(op);
op->retval = op->len;
std::function<void(cluster_op_t*)>(op->callback)(op);
}