ustcweizhou commented on issue #3178: GUI project pulldown list slowdown on large number of projects URL: https://github.com/apache/cloudstack/issues/3178#issuecomment-464102586 We had similar issue on listing vms if vms have several tags. We fixed it by recreating view without resource tag, and get resource tags by a query in server/src/com/cloud/api/query/dao/UserVmJoinDaoImpl.java. ``` // update tag information - long tag_id = userVm.getTagId(); - if (tag_id > 0 && !userVmResponse.containTag(tag_id)) { - ResourceTagJoinVO vtag = ApiDBUtils.findResourceTagViewById(tag_id); - if (vtag != null) { - userVmResponse.addTag(ApiDBUtils.newResourceTagResponse(vtag, false)); - } + List<ResourceTagJoinVO> tags = ApiDBUtils.listResourceTagViewByResourceUUID(userVm.getUuid(), ResourceObjectT +ype.UserVm); + for (ResourceTagJoinVO vtag : tags) { + userVmResponse.addTag(ApiDBUtils.newResourceTagResponse(vtag, false)); } @@ -406,14 +404,6 @@ public class UserVmJoinDaoImpl extends GenericDaoBase<UserVmJoinVO, Long> implem userVmData.addNic(nicResponse); } - long tag_id = uvo.getTagId(); - if (tag_id > 0 && !userVmData.containTag(tag_id)) { - ResourceTagJoinVO vtag = ApiDBUtils.findResourceTagViewById(tag_id); - if (vtag != null) { - userVmData.addTag(ApiDBUtils.newResourceTagResponse(vtag, false)); - } - } - ``` it would be better to remove resource tags from all views because it leads to too many records in views.
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