jixuan1989 commented on a change in pull request #258: [IOTDB-143]Development of merge URL: https://github.com/apache/incubator-iotdb/pull/258#discussion_r312738889
########## File path: server/iotdb/conf/iotdb-engine.properties ########## @@ -155,7 +155,43 @@ concurrent_flush_thread=0 # whether take over the memory management by IoTDB rather than JVM when serializing memtable as bytes in memory # (i.e., whether use ChunkBufferPool), value true, false -chunk_buffer_pool_enable = false +chunk_buffer_pool_enable=false + +#################### +### Merge Configurations +#################### + +# How many thread will be set up to perform merges, 1 by default. +# Set to 1 when less than or equal to 0. +merge_thread_num=1 + +# How much memory may be used in ONE merge task (in byte), 20% of maximum JVM memory by default. +# This is only a rough estimation, starting from a relatively small value to avoid OOM. +# Each new merge thread may take such memory, so merge_thread_num * merge_memory_budget is the +# total memory estimation of merge. +# merge_memory_budget=2147483648 + +# When set to true, if some crashed merges are detected during system rebooting, such merges will +# be continued, otherwise, the unfinished parts of such merges will not be continued while the +# finished parts still remains as they are. +# If you are feeling the rebooting is too slow, set this to false, false by default +continue_merge_after_reboot=false Review comment: hard to understand: If it is false, will the unfinished task be continued after startup? ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services
