diff --git a/persistance/storage_api.py b/persistance/storage_api.py
new file mode 100644
index 0000000..f899084
--- /dev/null
+++ b/persistance/storage_api.py
@@ -0,0 +1,421 @@
+import datetime
+import math
+
+from flask import json
+from sqlalchemy import sql
+from persistance.models import *
+
+
+#class displays measurement. Moved from storage_api_v_1 to avoid circular imports.
+class Measurement(object):
+    def __init__(self):
+        self.build = ""
+        self.build_type = 0  # GA/Master/Other
+        self.md5 = ""
+        self.name = ""
+        self.date = None
+        self.results = {
+            "": (float, float)
+        }
+
+    def __str__(self):
+        return self.build + " " + self.build_type + " " + \
+            self.md5 + " " + str(self.results)
+
+
+def mean(l):
+    n = len(l)
+
+    return sum(l) / n
+
+
+def stdev(l):
+    m = mean(l)
+    return math.sqrt(sum(map(lambda x: (x - m) ** 2, l)))
+
+
+def process_build_data(build):
+    for item in build.items():
+        if type(item[1]) is list:
+            m = mean(item[1])
+            s = stdev(item[1])
+            build[item[0]] = [m, s]
+
+
+#filling Param table with initial parameters.
+def add_io_params(session):
+    param1 = Param(name="operation", type='{"write", "randwrite", "read", "randread"}', descr="type of write operation")
+    param2 = Param(name="sync", type='{"a", "s"}', descr="Write mode synchronous/asynchronous")
+    param3 = Param(name="block size", type='{"1k", "2k", "4k", "8k", "16k", "32k", "64k", "128k", "256k"}')
+
+    session.add(param1)
+    session.add(param2)
+    session.add(param3)
+
+    session.commit()
+
+
+#function which adds particular build to database.
+def add_build(session, build_id, build_name, build_type, md5):
+    build = Build(type=build_type, build_id=build_id, name=build_name, md5=md5)
+    session.add(build)
+    session.commit()
+
+    return build.id
+
+
+#function insert particular result.
+def insert_results(session, build_id, lab_id, params_combination_id,
+                   time=None, bandwith=0.0, meta=""):
+    result = Result(build_id=build_id, lab_id=lab_id, params_combination_id=params_combination_id, time=time,
+                    bandwith=bandwith, meta=meta)
+    session.add(result)
+    session.commit()
+
+
+#function responsible for adding particular params combination to database
+def add_param_comb(session, *params):
+    params_names = sorted([s for s in dir(ParamCombination) if s.startswith('param_')])
+    d = zip(params_names, params)
+    where = ""
+
+    for item in d:
+        where = sql.and_(where, getattr(ParamCombination, item[0]) == item[1])
+
+    query = session.query(ParamCombination).filter(where)
+    rs = session.execute(query).fetchall()
+
+
+    if len(rs) == 0:
+        param_comb = ParamCombination()
+
+        for p in params_names:
+            i = int(p.split('_')[1])
+            param_comb.__setattr__('param_' + str(i), params[i - 1])
+
+            param = session.query(Param).filter(Param.id == i).one()
+            values = eval(param.type)
+
+            if params[i - 1] not in values:
+                values.add(params[i - 1])
+                param.type = str(values)
+
+        session.add(param_comb)
+        session.commit()
+        return param_comb.id
+    else:
+        return rs[0][0]
+
+
+def add_lab(lab_name):
+    pass
+
+
+#function store list of builds in database
+def add_data(data):
+    data = json.loads(data)
+    session = db.session()
+    add_io_params(session)
+
+    for build_data in data:
+        build_id = add_build(session,
+                             build_data.pop("build_id"),
+                             build_data.pop("name"),
+                             build_data.pop("type"),
+                             build_data.pop("iso_md5"),
+                             )
+        date = build_data.pop("date")
+        date = datetime.datetime.strptime(date, "%a %b %d %H:%M:%S %Y")
+
+        for params, [bw, dev] in build_data.items():
+            param_comb_id = add_param_comb(session, *params.split(" "))
+            result = Result(param_combination_id=param_comb_id, build_id=build_id, bandwith=bw, date=date)
+            session.add(result)
+            session.commit()
+
+
+#function loads data by parametres described in *params tuple.
+def load_data(*params):
+    session = db.session()
+    params_names = sorted([s for s in dir(ParamCombination) if s.startswith('param_')])
+    d = zip(params_names, params)
+    where = ""
+
+    for item in d:
+        where = sql.and_(where, getattr(ParamCombination, item[0]) == item[1])
+
+    query = session.query(ParamCombination).filter(where)
+    rs = session.execute(query).fetchall()
+
+    ids = [r[0] for r in rs]
+
+    results = session.query(Result).filter(Result.param_combination_id.in_(ids))
+    rs = session.execute(results).fetchall()
+
+    return [r[5] for r in rs]
+
+
+#load all builds from database
+def load_all():
+    session = db.session()
+    r = session.query(Param).filter(Param.id == 1).all()
+    results = session.query(Result, Build, ParamCombination).join(Build).join(ParamCombination).all()
+
+    return results
+
+
+#function collecting all builds from database and filter it by names
+def collect_builds_from_db(*names):
+    results = load_all()
+    d = {}
+
+    for item in results:
+        result_data = item[0]
+        build_data = item[1]
+        param_combination_data = item[2]
+
+        if build_data.name not in d:
+            d[build_data.name] = [build_data, result_data, param_combination_data]
+        else:
+            d[build_data.name].append(result_data)
+            d[build_data.name].append(param_combination_data)
+
+    if len(names) == 0:
+        return {k: v for k, v in d.items()}
+
+    return {k: v for k, v in d.items() if k in names}
+
+
+#function creates measurement from data was extracted from database.
+def create_measurement(data):
+    build_data = data[0]
+
+    m = Measurement()
+    m.build = build_data.build_id
+    m.build_type = build_data.type
+    m.name = build_data.name
+    m.results = {}
+
+    for i in range(1, len(data), 2):
+        result = data[i]
+        param_combination = data[i + 1]
+
+        if not str(param_combination) in m.results:
+            m.results[str(param_combination)] = [result.bandwith]
+        else:
+            m.results[str(param_combination)] += [result.bandwith]
+
+    for k in m.results.keys():
+        m.results[k] = [mean(m.results[k]), stdev(m.results[k])]
+
+    return m
+
+
+#function preparing data for display plots.
+#Format {build_name : Measurement}
+def prepare_build_data(build_name):
+    session = db.session()
+    build = session.query(Build).filter(Build.name == build_name).first()
+    names = []
+
+    if build.type == 'GA':
+        names = [build_name]
+    else:
+        res = session.query(Build).filter(Build.type.in_(['GA', 'master', build.type])).all()
+        for r in res:
+            names.append(r.name)
+
+
+    d = collect_builds_from_db()
+    d = {k: v for k, v in d.items() if k in names}
+    results = {}
+
+    for data in d.keys():
+        m = create_measurement(d[data])
+        results[m.build_type] = m
+
+    return results
+
+
+#function getting list of all builds available to index page
+#returns list of dicts which contains data to display on index page.
+def builds_list():
+    res = []
+    builds = set()
+    data = load_all()
+
+    for item in data:
+        build = item[1]
+        result = item[0]
+
+        if not build.name in builds:
+            builds.add(build.name)
+            d = {}
+            d["type"] = build.type
+            d["url"] = build.name
+            d["date"] = result.date
+            d["name"] = build.name
+            res.append(d)
+
+    return res
+
+
+#Processing data from database.
+#List of dicts, where each dict contains build meta info and kev-value measurements.
+#key - param combination.
+#value - [mean, deviation]
+def get_builds_data(names=None):
+    d = collect_builds_from_db()
+
+    if not names is None:
+        d = {k: v for k, v in d.items() if k in names}
+    else:
+        d = {k: v for k, v in d.items()}
+    output = []
+
+    for key, value in d.items():
+        result = {}
+        build = value[0]
+        result["build_id"] = build.build_id
+        result["iso_md5"] = build.md5
+        result["type"] = build.type
+        result["date"] = "Date must be here"
+
+        for i in range(1, len(value), 2):
+            r = value[i]
+            param_combination = value[i + 1]
+
+            if not str(param_combination) in result:
+                result[str(param_combination)] = [r.bandwith]
+            else:
+                result[str(param_combination)].append(r.bandwith)
+
+        output.append(result)
+
+    for build in output:
+        process_build_data(build)
+
+    return output
+
+
+#Function for getting result to display table
+def get_data_for_table(build_name=""):
+    session = db.session()
+    build = session.query(Build).filter(Build.name == build_name).one()
+    names = []
+
+    #Get names of build that we need.
+    if build.type == 'GA':
+        names = [build_name]
+    else:
+        res = session.query(Build).filter(Build.type.in_(['GA', 'master', build.type])).all()
+        for r in res:
+            names.append(r.name)
+    #get data for particular builds.
+    return get_builds_data(names)
+
+
+if __name__ == '__main__':
+    # add_build("Some build", "GA", "bla bla")
+    json_data = '[{\
+        "randwrite a 256k": [16885, 1869],\
+        "randwrite s 4k": [79, 2],\
+        "read a 64k": [74398, 11618],\
+        "write s 1024k": [7490, 193],\
+        "randwrite a 64k": [14167, 4665],\
+        "build_id": "1",\
+        "randread a 1024k": [68683, 8604],\
+        "randwrite s 256k": [3277, 146],\
+        "write a 1024k": [24069, 660],\
+        "type": "GA",\
+        "write a 64k": [24555, 1006],\
+        "write s 64k": [1285, 57],\
+        "write a 256k": [24928, 503],\
+        "write s 256k": [4029, 192],\
+        "randwrite a 1024k": [23980, 1897],\
+        "randread a 64k": [27257, 17268],\
+        "randwrite s 1024k": [8504, 238],\
+        "randread a 256k": [60868, 2637],\
+        "randread a 4k": [3612, 1355],\
+        "read a 1024k": [71122, 9217],\
+        "date": "Thu Feb 12 19:11:56 2015",\
+        "write s 4k": [87, 3],\
+        "read a 4k": [88367, 6471],\
+        "read a 256k": [80904, 8930],\
+        "name": "GA - 6.0 GA",\
+        "randwrite s 1k": [20, 0],\
+        "randwrite s 64k": [1029, 34],\
+        "write s 1k": [21, 0],\
+        "iso_md5": "bla bla"\
+    },\
+    {\
+        "randwrite a 256k": [20212, 5690],\
+        "randwrite s 4k": [83, 6],\
+        "read a 64k": [89394, 3912],\
+        "write s 1024k": [8054, 280],\
+        "randwrite a 64k": [14595, 3245],\
+        "build_id": "2",\
+        "randread a 1024k": [83277, 9310],\
+        "randwrite s 256k": [3628, 433],\
+        "write a 1024k": [29226, 8624],\
+        "type": "master",\
+        "write a 64k": [25089, 790],\
+        "write s 64k": [1236, 30],\
+        "write a 256k": [30327, 9799],\
+        "write s 256k": [4049, 172],\
+        "randwrite a 1024k": [29000, 9302],\
+        "randread a 64k": [26775, 16319],\
+        "randwrite s 1024k": [8665, 1457],\
+        "randread a 256k": [63608, 16126],\
+        "randread a 4k": [3212, 1620],\
+        "read a 1024k": [89676, 4401],\
+        "date": "Thu Feb 12 19:11:56 2015",\
+        "write s 4k": [88, 3],\
+        "read a 4k": [92263, 5186],\
+        "read a 256k": [94505, 6868],\
+        "name": "6.1 Dev",\
+        "randwrite s 1k": [22, 3],\
+        "randwrite s 64k": [1105, 46],\
+        "write s 1k": [22, 0],\
+        "iso_md5": "bla bla"\
+    },\
+    {\
+        "randwrite a 256k": [16885, 1869],\
+        "randwrite s 4k": [79, 2],\
+        "read a 64k": [74398, 11618],\
+        "write s 1024k": [7490, 193],\
+        "randwrite a 64k": [14167, 4665],\
+        "build_id": "1",\
+        "randread a 1024k": [68683, 8604],\
+        "randwrite s 256k": [3277, 146],\
+        "write a 1024k": [24069, 660],\
+        "type": "sometype",\
+        "write a 64k": [24555, 1006],\
+        "write s 64k": [1285, 57],\
+        "write a 256k": [24928, 503],\
+        "write s 256k": [4029, 192],\
+        "randwrite a 1024k": [23980, 1897],\
+        "randread a 64k": [27257, 17268],\
+        "randwrite s 1024k": [8504, 238],\
+        "randread a 256k": [60868, 2637],\
+        "randread a 4k": [3612, 1355],\
+        "read a 1024k": [71122, 9217],\
+        "date": "Thu Feb 12 19:11:56 2015",\
+        "write s 4k": [87, 3],\
+        "read a 4k": [88367, 6471],\
+        "read a 256k": [80904, 8930],\
+        "name": "somedev",\
+        "randwrite s 1k": [20, 0],\
+        "randwrite s 64k": [1029, 34],\
+        "write s 1k": [21, 0],\
+        "iso_md5": "bla bla"\
+    }]'
+
+    # json_to_db(json_data)
+    # print load_data()
+    add_data(json_data)
+
+    print collect_builds_from_db()
+    print prepare_build_data('6.1 Dev')
+    print builds_list()
+    print get_data_for_table('somedev')
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