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Questions - cqlsh

Cassandra 4.0.1 can't be started using 'cassandra -f' command on MAC OSX

After my Mac upgraded to Monterey, I had to reinstall cassandra from 3.x.x to 4.0.1. I can't start Cassandra 4.0.1 using 'cassandra -f' command. I see following warning/errors: WARN [main] 2022-01-19...
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ios_mxe

macos

cassandra

cqlsh

Votes: 0

Answers: 1

Latest Answer

The error is here: Too many open files <- you need to increase the limit on the number of open files. This could be done with ulimit command and make it permanent as described in this answer.
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Alex Ott

Less rows being inserted by sstableloader in ScyllaDB

I'm trying to migrate data from Cassandra to ScyllaDB from snapshot using sstableloader and data in some tables gets loaded without any error but when verifying count using PySpark, it gives less rows...
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Varun Nagrare

cassandra

cql

cqlsh

scylla

Votes: 0

Answers: 2

Latest Answer

I work at ScyllaDB There are two tools that can be used to help find the differences: https://github.com/scylladb/scylla-migrate (https://github.com/scylladb/scylla-migrate/blob/master/docs/scylla-mi...
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Shlomi Livne

How to copy datas from one table to another table with different Schemas? (Cassandra)

I have a table named table1 which includes the following +----------+-------+ |date |count | +----------+-------+ |2022-01-07|2 | |2022-01-06|0 | |2022-01-05|1 ...
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AMAN DUTTA

cassandra

cqlsh

Votes: 0

Answers: 1

Latest Answer

You want to populate data of one table into another table. You can write a utility to do this. This utility will read your first table and push data into another table. If you can use spark, then you ...
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Manish Khandelwal

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