From e995626ff405a28a1a37cc9b129a0e7b1ab6e683 Mon Sep 17 00:00:00 2001 From: dc Date: Sat, 3 Oct 2026 11:57:36 +0000 Subject: [PATCH] docs(options): update the EDIT and VIEW size limits DC_MAXOBS_WEBEDIT 100 -> 250, DC_MAXOBS_WEBVIEW 500 -> 2000, and a new DC_MAXCELLS_WEBEDIT (200000) which is applied together with the EDIT observation limit - whichever is reached first. --- docs/dcc-options.md | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/docs/dcc-options.md b/docs/dcc-options.md index 228ecde..87a3805 100644 --- a/docs/dcc-options.md +++ b/docs/dcc-options.md @@ -20,16 +20,23 @@ Currently used scopes include: ### DC_EMAIL_ALERTS Set to YES or NO to enable email alerts. This requires email options to be preconfigured (mail server etc). +### DC_MAXCELLS_WEBEDIT +By default, a maximum of 200,000 cells (observations multiplied by variables) can be edited in the browser at one time. This limit is applied together with [DC_MAXOBS_WEBEDIT](#dc_maxobs_webedit) - whichever is reached first. + +The cell count matters because the cost of an EDIT screen load tracks the number of cells, not the number of rows. A 10 column table is comfortable at 250 rows, but 250 rows of a 1000 column table is 250,000 cells. + ### DC_MAXOBS_WEBEDIT -By default, a maximum of 100 observations can be edited in the browser at one time. This number can be increased, but note that the following factors will impact performance: +By default, a maximum of 250 observations can be edited in the browser at one time. This number can be increased, but note that the following factors will impact performance: * Number of configured [Validations](/dcc-validations) * Browser type and version (works best in Chrome) * Number (and size) of columns * Speed of client machine (laptop/desktop) +A wide table can reach the [DC_MAXCELLS_WEBEDIT](#dc_maxcells_webedit) limit well before this one, so increase both together. + ### DC_MAXOBS_WEBVIEW -By default, a maximum of 500 observations can be viewed in the browser at one time. Please see previous section for items to consider if increasing this value. +By default, a maximum of 2000 observations can be viewed in the browser at one time. Please see previous section for items to consider if increasing this value. ### DC_REQUEST_LOGS On SASjs Server and SAS9 Server types, at the end of each DC SAS request, a record is added to the [MPE_REQUESTS](/tables/mpe_requests) table. In some situations this can cause table locks. To prevent this issue from occuring, the `DC_REQUEST_LOGS` option can be set to `NO` (Default is `YES`).