Tomasz Grabiec

Add ability to trace mutation form from each data source during query

3

Knowing mutation form returned by each of the data source touched by a query would be very helpful in debugging issues related to incorrect query results. The user wouldn't have...

stackcollapse-hpl fails with "Exception: Unexpected marker: 21 at offset 14"

4

I get the following error when trying to parse a hpl file generated by honest-profiler (version d505d540ad09516ede804e7d1aa34a889f266780): ``` stackcollapse-hpl slow2 > output-folded.txt Traceback (most recent call last): File "/usr/local/bin/stackcollapse-hpl", line...

Fix node replace with tablets for RF=N

26

This PR fixes a problem with replacing a node with tablets when RF=N. Currently, this will fail because tablet replica allocation for rebuild will not be able to find a...

Write handler blocks topology barriers for the duration of the timeout if live host is detected by gossip as having restarted

15

``` INFO 2024-02-20 11:01:57,352 [shard 0: gms] gossip - Node 127.24.27.1 has restarted, now UP, status = NORMAL ... WARN 2024-02-20 11:06:56,404 [shard 0:stmt] token_metadata - topology version 30 held...

"ccm create" prints misleading error message when build/release/scylla is missing

1

``` $ ccm create scylla-2 --scylla --vnodes -n 2 --install-dir=/home/tgrabiec/src/scylla-ccm/../scylla2 Traceback (most recent call last): File "/home/tgrabiec/src/scylla-ccm/ccm", line 73, in cmd.validate(parser, options, args) File "/home/tgrabiec/src/scylla-ccm/ccmlib/cmds/cluster_cmds.py", line 146, in validate common.validate_install_dir(options.install_dir)...

sstableloader returns exit code 0 even if writes failed

2

It prints errors on stderr, but still will returns a success. May be a problem when this is run through some automation. Relevant code in BulkLoader.java: ``` semaphore.acquire(); try {...

sstabledump doesn't work for system_schema.scylla_tables sstables

1

``` Exception in thread "main" java.lang.IllegalArgumentException: Could not locate schema info for /home/tgrabiec/.ccm/scylla-3/node1/data/system_schema/scylla_tables-5d912ff1f7593665b2c88042ab5103dd/la-1203-big/(system_schema:scylla_tables). Make sure your 'data_file_directories' is pointed correctly. at com.scylladb.tools.SSTableExport.metadataFromSSTable(SSTableExport.java:30) at org.apache.cassandra.tools.SSTableExport.run(SSTableExport.java:192) at com.scylladb.tools.SSTableExport.main(SSTableExport.java:44) ```

Before hanging, it throws: ``` Exception in thread "main" java.lang.IllegalArgumentException: Could not locate schema info for /home/tgrabiec/.ccm/scylla-3/node1/data/system_schema/scylla_tables-5d912ff1f7593665b2c88042ab5103dd/la-1203-big/(system_schema:scylla_tables). Make sure your 'data_file_directories' is pointed correctly. at com.scylladb.tools.SSTableExport.metadataFromSSTable(SSTableExport.java:30) at org.apache.cassandra.tools.SSTableExport.run(SSTableExport.java:192) at com.scylladb.tools.SSTableExport.main(SSTableExport.java:44)...

Version: scylla-tools-2.0.rc0-20170717.e83b7f0.el7.centos.noarch Output: ``` $ nodetool status usage: nodetool [(-pwf | --password-file )] [(-pw | --password )] [(-p | --port )] [(-u | --username )] [(-h | --host )] []...

Benchmark doesn't react to topology changes

11

When a new node is added to the cluster, most (all?) requests still go to the old nodes. Only restarting the benchmark will cause new coordinators to receive CQL load....