Oleg Samarin

Foundationdb loses all the data after renaming datacenter_id and setting up regions

9

Problem statement ------------------------- If fdbserver datacenter_id differs from the one was when the database was created, setting up regions causes deleting all data from the foundationdb cluster. Steps to reproduce...

Add support of the mirror-2 fault tolerance mode

5

Now there are only three allowed fault tolerance modes in a ydb cluster: `none`, `block-4-2` and `mirror-3-dc`. The first one does not provide any level of redundancy, the other two...

One cluster node is restarted permanently

6

Hello! I have a 3-node ydb cluster with mirror-3dc. After some working one of the nodes started craching just after start ``` июл 11 13:35:45 ydbs3 ydbd[15650]: Starting Kikimr r-1...

Cluster can not match nodes with fqdn

4

I'm trying to start a ydb cluster with mirror-dc configuration for three nodes. The `hosts` part is: ``` hosts: - host: ydbs1.oleg2-virt.oleghome host_config_id: 1 walle_location: body: 1 data_center: 'zone-a' rack:...

Added new commit statistics metrics

20

# Problem statement Now it is hard to tune a fdb cluster for a write-intensive workload. # Description While tuning a fdb cluster with a write-intensive application often the bottleneck...

Fixed unability to run more than one commit proxy in small configurations

126

# Fixed unability to run more than one commit proxy in small configurations ## Problem statement By default, the desired nubrer of commit proxies is 3. But in small configurations...

Agent fails because there is no cluster file at the default location

2

I've put the cluster file to ``/home/oleg/work/fdb/devops/clusters/joshua/fdb.cluster`` When I try to start agent in the docker container with mounting a volume to /opt/joshua, I receive error ``No cluster file found...

Describe how to run the standard simulation tests with joshua

10

There are lots of simulaton tests of fondationdb in the test subdirectory of the sourcecode. joshua requires a tarball fo running a test. What should be in the tarball for...