{"id":1760,"date":"2019-05-04T14:13:53","date_gmt":"2019-05-04T07:13:53","guid":{"rendered":"https:\/\/www.linuxid.net\/post\/?p=1760"},"modified":"2025-04-18T15:22:13","modified_gmt":"2025-04-18T08:22:13","slug":"cara-install-dan-konfigurasi-apache-cassandra-di-debian-9","status":"publish","type":"post","link":"https:\/\/www.linuxid.net\/post\/cara-install-dan-konfigurasi-apache-cassandra-di-debian-9\/","title":{"rendered":"Cara Install dan Konfigurasi Apache Cassandra di Debian 9"},"content":{"rendered":"

Apache Cassandra adalah database NoSQL open source dan bebas yang memberikan skalabilitas linier dan ketersediaan tinggi tanpa mengorbankan kinerja. Apache Cassandra digunakan oleh sejumlah organisasi termasuk Apple, NetFlix, eBay, dan Easou.<\/p>\n

Dalam tutorial ini, kami akan menunjukkan kepada Anda bagaimana menginstal Apache Cassandra di Debian 9.<\/p>\n

Prasyarat<\/h2>\n

Agar dapat menginstal paket pada sistem Debian, Anda harus masuk sebagai pengguna dengan hak istimewa sudo<\/a>.<\/p>\n

Install Apache Cassandra di Debian 9<\/h2>\n

Cara termudah untuk menginstal Apache Cassandra di Debian 9 adalah dengan menginstal paket deb dari repositori Apache Cassandra resmi.<\/p>\n

Pada saat penulisan artikel ini, versi terbaru dari Apache Cassandra adalah 3.11<\/code> dan membutuhkan OpenJDK 8 untuk diinstal pada sistem.<\/p>\n

Instalasi Java di Debian 9<\/a>\u00a0cukup sederhana, mulai dengan memperbarui indeks paket dan Instal paket OpenJDK dengan mengetik::<\/p>\n

sudo apt update
\nsudo apt install openjdk-8-jdk<\/pre>\n
Verifikasi instalasi Java dengan menjalankan perintah berikut yang akan mencetak versi Java:<\/p>\n
java -version<\/pre>\n
Outputnya akan terlihat seperti ini:<\/p>\n
openjdk version \"1.8.0_181\"
\nOpenJDK Runtime Environment (build 1.8.0_181-8u181-b13-2~deb9u1-b13)
\nOpenJDK 64-Bit Server VM (build 25.181-b13, mixed mode)<\/pre>\n
Instal paket apt-transport-https yang diperlukan untuk mengakses repositori melalui HTTPS:<\/p>\n
sudo apt install apt-transport-https<\/pre>\n
Langkah selanjutnya adalah menambahkan repositori Apache Cassandra.<\/p>\n
Impor GPG repositori menggunakan perintah wget<\/code> <\/a>berikut:<\/p>\n
wget -q -O - https:\/\/www.apache.org\/dist\/cassandra\/KEYS | sudo apt-key add -<\/pre>\n
Perintah di atas akan menampilkan output\u00a0OK<\/code> yang berarti kunci telah berhasil diimpor dan paket dari repositori ini akan dianggap tepercaya.<\/p>\n
Selanjutnya, tambahkan repositori Cassandra ke sistem dengan :<\/p>\n
sudo sh -c 'echo \"deb http:\/\/www.apache.org\/dist\/cassandra\/debian 311x main\" > \/etc\/apt\/sources.list.d\/cassandra.list'<\/pre>\n
Setelah repositori diaktifkan, perbarui daftar paket apt<\/code> dan instal versi terbaru dari Apache Cassandra dengan mengetik:<\/p>\n
sudo apt update
\nsudo apt install cassandra<\/pre>\n
Layanan Cassandra akan secara otomatis dimulai setelah proses instalasi selesai. Anda dapat memverifikasi bahwa Cassandra sedang berjalan dengan mengetik:<\/p>\n
nodetool status<\/pre>\n
Anda akan melihat output yang mirip dengan ini:<\/p>\n
Datacenter: datacenter1
\n=======================
\nStatus=Up\/Down
\n|\/ State=Normal\/Leaving\/Joining\/Moving
\n--  Address    Load        Tokens       Owns (effective)  Host ID         Rack
\nUN  127.0.0.1  114.55 KiB  256          100.0% d8c27r23-ea22-4eec-813c-5967218ba3ca  rack1<\/pre>\n
Pada poin ini, Anda telah menginstal Apache Cassandra di server Debian Anda.<\/p>\n
Mengkonfigurasi Apache Cassandra di Debian 9<\/h2>\n
Data Apache Cassandra disimpan di direktori \/var\/lib\/cassandra<\/code>, file konfigurasi terletak di \/etc\/cassandra<\/code> dan opsi start-up Java dapat dikonfigurasikan di file \/etc\/default\/cassandra<\/code>.<\/p>\n
Secara default, Cassandra dikonfigurasikan untuk listen di localhost saja. Jika klien yang terhubung ke database juga berjalan di host yang sama Anda tidak perlu mengubah file konfigurasi default.<\/p>\n
Untuk berinteraksi dengan Cassandra melalui CQL (Cassandra Query Language<\/em>) Anda dapat menggunakan utilitas baris perintah bernama cqlsh<\/code> yang datang bersama paket Cassandra.<\/p>\n
cqlsh<\/pre>\n
Connected to Test Cluster at 127.0.0.1:9042.
\n[cqlsh 5.0.1 | Cassandra 3.11.4 | CQL spec 3.4.4 | Native protocol v4]
\nUse HELP for help.
\ncqlsh><\/pre>\n
Mengganti nama\u00a0Cluster Apache Cassandra<\/h2>\n
Secara default, cluster Cassandra bernama \u201cTest Cluster\u201d. Jika Anda ingin mengubahnya ikuti langkah-langkah di bawah ini:<\/p>\n
    \n
  1. Masuk ke terminal Cassandra CQL dengan cqlsh<\/code>:\n
    cqlsh<\/pre>\n
    Jalankan perintah berikut untuk mengubah nama cluster, semisal menjadi \u201cCluster Linuxid\u201d:<\/p>\n
    UPDATE system.local SET cluster_name=\"Cluster Linuxid\" WHERE KEY = 'local';<\/pre>\n
    Ubah \u201cCluster Linuxid<\/strong>\u201d dengan nama yang Anda inginkan. Setelah selesai ketik exit<\/code> untuk keluar dari konsol.<\/p>\n<\/li>\n
  2. Edit file konfigurasi cassandra.yaml<\/code> dan masukkan nama cluster baru Anda.\n
    cluster_name: 'Cluster Linuxid'<\/pre>\n<\/li>\n
  3. Jalankan perintah berikut untuk menghapus cache sistem:\n
    nodetool flush system<\/pre>\n<\/li>\n
  4. Terakhir,\u00a0restart layanan Cassandra:\n
    sudo systemctl restart cassandra<\/pre>\n<\/li>\n<\/ol>\n
    Kesimpulan<\/h2>\n
    Anda telah berhasil menginstal Apache Cassandra di Debian 9. Anda sekarang dapat mengunjungi halaman Dokumentasi\u00a0resmi \u00a0Apache Cassandra<\/a>\u00a0dan belajar bagaimana memulai dengan Cassandra.<\/p>\n","protected":false},"excerpt":{"rendered":"
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