Write consistency level is ONE. This is the describe output for one of the tables.
CREATE TABLE event_data ( event text, week text, bucket int, date timestamp, unique text, adt int, age list<int>, arrival list<timestamp>, bank text, bf double, cabin text, card text, carrier list<text>, cb double, channel text, chd int, company text, cookie text, coupon list<text>, depart list<timestamp>, dest list<text>, device text, dis double, domain text, duration bigint, emi int, expressway boolean, flight list<text>, freq_flyer list<text>, host text, host_ip text, inf int, instance text, insurance text, intl boolean, itinerary text, journey text, meal_pref list<text>, mkp double, name list<text>, origin list<text>, pax_type list<text>, payment text, pref_carrier list<text>, referrer text, result_cnt int, search text, src text, src_ip text, stops int, supplier list<text>, tags list<text>, total double, trip text, user text, user_agent text, PRIMARY KEY ((event, week, bucket), date, unique) ) WITH CLUSTERING ORDER BY (date DESC, unique ASC) AND bloom_filter_fp_chance=0.010000 AND caching='KEYS_ONLY' AND comment='' AND dclocal_read_repair_chance=0.100000 AND gc_grace_seconds=864000 AND index_interval=128 AND read_repair_chance=0.000000 AND replicate_on_write='true' AND populate_io_cache_on_flush='false' AND default_time_to_live=0 AND speculative_retry='99.0PERCENTILE' AND memtable_flush_period_in_ms=0 AND compaction={'class': 'SizeTieredCompactionStrategy'} AND compression={'sstable_compression': 'LZ4Compressor’}; On 01-Apr-2015, at 8:00 pm, Eric R Medley <emed...@xylocore.com> wrote: > Also, can you provide the table details and the consistency level you are > using? > > Regards, > > Eric R Medley > >> On Apr 1, 2015, at 9:13 AM, Eric R Medley <emed...@xylocore.com> wrote: >> >> Amlan, >> >> Can you provide information on how much data is being written? Are any of >> the columns really large? Are any writes succeeding or are all timing out? >> >> Regards, >> >> Eric R Medley >> >>> On Apr 1, 2015, at 9:03 AM, Amlan Roy <amlan....@cleartrip.com> wrote: >>> >>> Hi, >>> >>> I am new to Cassandra. I have setup a cluster with Cassandra 2.0.13. I am >>> writing the same data in HBase and Cassandra and find that the writes are >>> extremely slow in Cassandra and frequently seeing exception “Cassandra >>> timeout during write query at consistency ONE". The cluster size for both >>> HBase and Cassandra are same. >>> >>> Looks like something is wrong with my cluster setup. What can be the >>> possible issue? Data and commit logs are written into two separate disks. >>> >>> Regards, >>> Amlan >> >