April 2025
Intermediate to advanced
432 pages
13h 18m
Italian
book
Cassandra: The Definitive Guide, (Revised) Third Edition, 3a edizione
by Jeff Carpenter, Eben Hewitt
Content preview from Cassandra: The Definitive Guide, (Revised) Third Edition, 3a edizione
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Capitolo 10. Configurazione e distribuzione di Cassandra
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In questo capitolo costruirai il tuo primo cluster e analizzerai le opzioni disponibili per la configurazione dei nodi Cassandra, compresi gli aspetti di Cassandra che influenzano il comportamento dei nodi in un cluster, come il partizionamento, gli snitches e la replica. Condivideremo anche alcuni consigli per la distribuzione di Cassandra in produzione. Parleremo delle opzioni da considerare per pianificare le distribuzioni e per implementare Cassandra in vari ambienti cloud.
Gestore del cluster di Cassandra
Cassandra funziona senza alcuna configurazione: basta scaricare, decomprimere ed eseguire il programma per avviare il server con la sua configurazione predefinita. Tuttavia, uno degli aspetti che rende Cassandra una tecnologia così potente è la sua enfasi sulla configurabilità e sulla personalizzazione. Allo stesso tempo, il numero di opzioni può sembrare confuso all'inizio.
Per fare pratica con la creazione e la configurazione di un cluster, sfruttiamo uno strumento chiamato Cassandra Cluster Manager o ccm. Realizzato da Sylvain Lebresne e da molti altri collaboratori, questo strumento è un insieme di script Python che ti permettono di eseguire un cluster multinodo su una singola macchina. Questo ti permette di configurare rapidamente un cluster senza dover fornire hardware aggiuntivo. ...
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