elassandra

问题 Every 15 min I see this log entry: 2018-07-30 10:29:57,529 INFO [pool-1-thread-2] NoSpamLogger.java:91 log Maximum memory usage reached (512.000MiB), cannot allocate chunk of 1.000MiB I´ve been reading through this Question, but I cant see anything wrong with my tables: NoSpamLogger.java Maximum memory usage reached Cassandra I have 4 large tables: iot_data/derived_device_data histograms Percentile SSTables Write Latency Read Latency Partition Size Cell Count (micros) (micros) (bytes) 50% 0

问题 Every 15 min I see this log entry: 2018-07-30 10:29:57,529 INFO [pool-1-thread-2] NoSpamLogger.java:91 log Maximum memory usage reached (512.000MiB), cannot allocate chunk of 1.000MiB I´ve been reading through this Question, but I cant see anything wrong with my tables: NoSpamLogger.java Maximum memory usage reached Cassandra I have 4 large tables: iot_data/derived_device_data histograms Percentile SSTables Write Latency Read Latency Partition Size Cell Count (micros) (micros) (bytes) 50% 0

问题 I'm trying to enable JMX in Elassandra 5.5.0.4 through cassandra-evn.sh file in order to connect to a Cassandra node, remotely , and get metrics and statistics. I'm trying to connect to JMX using JConsole . I have followed various tutorial from datastax and blogs without success. I tried with and without authentication but nothing worked. 回答1: Make sure the below parameters are set. The configuration enables JMX metrics remotely without any authentication. # add this if you're having trouble

问题 Getting different results while searching on the date range aggregation indexing. Created the index like below. curl -XPUT -H 'Content-Type: application/json' 'http://x.x.x.x:9200/date_index' -d '{ "settings" : { "keyspace" : "keyspace1"}, "mappings" : { "table1" : { "discover":"sent_date", "properties" : { "sent_date" : { "type": "date", "format": "yyyy-MM-dd HH:mm:ssZZ" } } } } }' When trying searching with below code, i am getting different date range results. curl -XGET -H 'Content-Type:

问题 I'm trying to run jmx-exporter container with special configuration following this instruction. I did all the instructions step-by-step. Here is my docker-compose file and conf/config.yml . docker-compose: version: '2' services: prometheus: image: prom/prometheus container_name: prometheus volumes: - /prometheus:/prometheus - ./conf/prome.yml:/etc/prometheus/prometheus.yml command: - --config.file=/etc/prometheus/prometheus.yml ports: - '6009:9090' jmx-exporter: image: sscaling/jmx-prometheus