Project: datamanagement
Issue DM-2914: Improve handling of extremely large blends
Port HSC code from issues: * [HSC-1250|https://hsc-jira.astro.princeton.edu/jira/browse/HSC-1250] * [HSC-1245|https://hsc-jira.astro.princeton.edu/jira/browse/HSC-1245] * [HSC-1237|https://hsc-jira.astro.princeton.edu/jira/browse/HSC-1237] * [HSC-1268|https://hsc-jira.astro.princeton.edu/jira/browse/HSC-1268] * [HSC-1274|https://hsc-jira.astro.princeton.edu/jira/browse/HSC-1274] * [HSC-1265|https://hsc-jira.astro.princeton.edu/jira/browse/HSC-1265] * [HSC-1228|https://hsc-jira.astro.princeton.edu/jira/browse/HSC-1228]
Story points: 10