{"id":63939,"library":"ohc-core","title":"OHC Core","description":"Off-Heap concurrent hash map intended to store gigabytes of serialized data.","status":"active","version":"0.7.4","language":"java","source_language":null,"source_url":"https://github.com/snazy/ohc","tags":["cache","off-heap","concurrent","serialization"],"install":[{"cmd":"<dependency>\n  <groupId>org.caffinitas.ohc</groupId>\n  <artifactId>ohc-core</artifactId>\n  <version>0.7.4</version>\n</dependency>","lang":"xml","label":"Maven"},{"cmd":"implementation 'org.caffinitas.ohc:ohc-core:0.7.4'","lang":"groovy","label":"Gradle"}],"dependencies":[],"imports":[{"symbol":"OHCache","correct":"org.caffinitas.ohc.OHCache"}],"quickstart":{"code":"import org.caffinitas.ohc.OHCache;\nimport org.caffinitas.ohc.OHCacheBuilder;\n\npublic class Main {\n    public static void main(String[] args) {\n        OHCache<Integer, String> cache = OHCacheBuilder.newBuilder()\n                .keySerializer((k) -> k.toString().getBytes())\n                .valueSerializer((v) -> v.getBytes())\n                .build();\n        cache.put(1, \"value\");\n        System.out.println(cache.get(1));\n    }\n}","lang":"java","description":"Creates an off-heap cache and performs a put/get operation."},"warnings":[{"fix":"Implement custom serializers for your key and value types.","message":"Serializers must be provided for keys and values; default serializers are not available.","severity":"gotcha","affected_versions":"all"}],"env_vars":null,"search_vec":"'cach':16 'concurr':6,20 'core':2 'data':15 'gigabyt':12 'hash':7 'heap':5,19 'intend':9 'map':8 'off-heap':3,17 'ohc':1 'serial':14,21 'store':11","created_at":"2026-06-17T16:49:43.151559+00:00","updated_at":"2026-06-17T16:49:43.151559+00:00","problems":[],"ecosystem":"maven","meta_description":null,"install_score":null,"quickstart_score":null,"quickstart_tag":null,"pypi_latest":null,"cli_name":null,"cli_version":null,"type":"library","homepage":"http://caffinitas.org/","github":"https://github.com/snazy/ohc","docs":"https://appdoc.app/artifact/org.caffinitas.ohc/ohc-core/","changelog":null,"pypi":null,"npm":null,"openapi_spec":null,"status_page":null,"smithery":null,"categories":["utility"],"base_url":null,"auth_type":null,"provenance":{"verified_status":null,"verified_at":null,"last_verified":"2026-06-17","next_check":"2026-12-14","install_tag":null}}