When transferring a large number of SPL comparison index to TREX server, ABAP program "/SAPSLL/SEARCHTERMS_LOAD_TREX" is terminated due to runtime error "STRING_SIZE_TOO_LARGE". Note 2285323 corrects this issue
When transferring the spl master comparison transaction /SAPSLL/SPL_STTREXerror message - 'Object /sapsll/tsplidx is locked by user'. The code correction in note 2074448 (version 3) resolves this issue
Note 2271087 has been release to customer, this note helps to increase the response time for the SPL index processing.