1) Last updated on JANUARY 24, 2023. Options Connection Select the server connection to use when performing this task. Syntax ALTER INDEX index_name ON table_name. 4. "SQL Fool") has an automated index. To reorganize index SQL Server, right-click it & choose Reorganize. The. To rebuild or reorganize indexes manually, head over to the Fragmentation tab. Walk the fill factor down from 95 to around 70 in chunks of 5 at each step rebuild your index. ALTER INDEX . Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. SELECT wait_type FROM sys. Probably need to rebuild tables and it is a wonderful time to move the image table to a new File-Group, if you have enough drive space. Reorganize indexes in a table using Transact-SQL. is_ms_shipped = 0 --Excludes any objects created as a part. Review Deeper insight into unused indexes for SQL Server tip. I’m a SQL Server consultant. Both are fully logged in the FULL. The fill factor is 0. In the IndexOptimize procedure, you can define a preferred index maintenance operation for each fragmentation group. Best Practices. Your applications would read the data from left to right as you would with a book. Reorganizing or rebuilding a cluster index does not have any impact on the non-cluster indexes in SQL Server 2000 SP4 or above, or any version of SQL 2005 or. For example, one of the indexes with a page_count of 967 has a fragmentation percentage of. It can only be fixed by doing an ALTER INDEX. This removes fragmentation, reclaims disk space by compacting the pages based on the specified or existing fill factor setting. ONLINE option will keep index available during the rebuilding. But commit your whole transaction before reorganize. Follow answered Nov 29, 2020 at 19:26. Table C. If the index is disabled, rebuilding brings it back to life. It is recommended to use an integer data type in the index key. Using above query, you could also query the progress of backup,restore,dbcc command and so on. Review CREATE INDEX. To execute our task, we can right-click on the plan and choose Execute. Let’s do it via the Maintenance Plan Designer. You can customize the amount of fragmentation in an index before it's rebuilt or reorganized, and this cuts down on the amount of work involved in reindexing. 000. Jul 13, 2014 at 5:02. If the former, you could do a shrink and then ALTER INDEX. (About 1 TB of data including myIndex (non. It depends on your environment, on the type of load (mostly select, mostly insert/update/delete), etc. With the exception of one table, every other table in the database is a heap and the largest heap is ~200GB which makes up over 50% of the total size of the database. The fix is to update all rebuild index scripts with. This option should be used with great care. If you want to try : I would like you to use READ_COMMITTED_SNAPSHOT isolation level for this operation and see if you succeed. The second set of options, in figure 8-5, rebuilds only a single partition of a clustered columnstore index and optionally changes the compression type. Bulk amount records are deleted and updated. Expand Databases, and then right-click the database that you want to shrink. Ovaj pregledač više nije podržan. This improves the Qualification Limit for REORGANIZE to remove deleted rows from a rowgroup in Clustered Columnstore Index (CCI) in SQL Server 2019. Preuzimanje pregledača Microsoft Edge Više. Usually you'd do weekly or daily depending on your usage and maintenance windows. Improve this answer. Reorganize pages with the original amount of free space - this will use whatever was specified when the table was created Change free space per page percentage to - this. SQL Server Maintenance plans – Maintenance plans are shipped with SQL Server and are nice for some tasks. You can go the easy way and use SQL Server Maintenance Plans, but unfortunately they’re very simplistic: you can only say “rebuild all the indexes” or “reorganize all the indexes”. Open your table in SSMS in design mode: Reorder your columns: It is important to not save your change. If you don’t spend much time with SQL Server and you. if this process of reorganize the Full Text Catalog is done online or offline? The reorganize process is Online, but is slower than Rebuild. My problem is that the reorg is running for a very long time. SQLBits is the largest Microsoft Intelligent Data Platform conference with over 300 sessions from March 13-18, including SQL Server, Azure SQL, Power BI, Machine Learning, and more! Your customers can reconnect with old friends, build new relationships, gain new skills, and get world-class training. Open configuration manager and get account name. Correct, I don't let Sharepoint boss my SQL server around. 2 I'm looking for a way to reorganize a MS SQL Server database. Requires membership in the sysadmin fixed server role or the db_owner fixed database role. This means that an index can be rebuilt without knowing the structure of a. DBCC DBREINDEX rebuilds an index for a table or all indexes defined for a table. Index maintenance such as index rebuilds are also a wasteful operation. Microsoft recommends Index Rebuild operation to defrag indexes if the fragmentation level of your index is greater. 1. The rebuild command will defragment all those intermediate pages. A recompilação ou reorganização de índices rowstore pequenos pode não reduzir a fragmentação. If this is a job who owner of the job. The ONLINE option is not saved anywhere, it affects only the current statement that creates or rebuilds the index, even though some of the options are saved in sys. Yes. the. Make sure to thick the Enabled checkbox. CREATE INDEX IX_DisplayName ON dbo. dm_os_wait_stats DMV, you will find 21 new wait types related to the SQL Server 2014 Lock Priorities. The T-SQL script in this article can be run by SQL Server administrators to reindex and defragment WSUS databases. Labels: Database Administration, database index, index rebuild, rebuild all indexes in a database sql server, reorganize index sql server, sql server rebuild index script. Too many full-text index fragments in the full-text index, can lead to substantial degradation in query performance. CREATE TABLE AS — define a new table from the results of a query. SQL. If You have few indexes in. declare @tableName nvarchar(500) declare @indexName nvarchar(500) declare @indexType nvarchar(55) declare @percentFragment decimal(11,2) declare FragmentedTableList cursor for SELECT OBJECT_NAME(ind. If you got an active connection in that moment, it is possible to happen even a deadlock when the other connection is making an update. On the next dialog box, make sure the File type is set to "Data" to shrink the mdf file. Use a columnstore index to efficiently run real-time operational analytics on an OLTP. A very simple example is when you have two data files within the same filegroup; data_file_1. If there is no room for it, then SQL Server will reorganize the rows, moving some of the rows onto a new data page, and leaving some on the old data page. Viewing 15 posts - 1 through 15 (of 16 total) 1To reorganize index SQL Server, right-click it & choose Reorganize. If you use Ola Hallegren's scripts then you can set the thresholds for a rebuild/reorganise (say over 50% fragmentation for a reorganise, over 80% for a rebuild) and this can run overnight out of hours. You can also set a threshold so that it only considers indexes over a certain size so you're not doing unnecessary rebuilds on tiny indexes. Assume you have a couple of log files, a data file, and a database named mydb. They work differently toward the same end. MS-SQL Server - Ghada (A Kalash, Full of Unique Th. Expand the table on which you want to reorganize an index. For better maintanence of deleted rows in Clustered Columnstore Index, Trace Flag (TF) 11631 and TF 11634 are introduced. Reorg the Indexes if the Fragmentation level is > 5% and <30%. This is a pretty small index based on the stats you have in addition the table is pretty skinny. A new pane will appear with all tables in. Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance A fulltext index uses internal tables called full-text index fragments to store the inverted index data. 60 (X64) (Build 7601: Servic. Script 1: Rebuild all indexes in a SQL Server database with specifying the Fill Factor: --Rebuild all indexes in a database. Key Words. SQL Server Version : Microsoft SQL Server 2012 - 11. Correct way of maintenance of SQLServer Cluster Columnstore Index. 0 to SQL Server 2016 there is no feature to rebuild index automatically. Rebuildes only indexes on one of the tables. I'm just using the reorg index task that is in the maintenance plan designer GUI. 1 lists all tokens that are key words in the SQL standard and in PostgreSQL 16. Expand the Tables folder. ) look reasonable. From Rebuild or Reorganize: SQL Server Index Maintenance by Kendra Little: Short version: Rebuild: An index ‘rebuild’ creates a fresh, sparkling new structure for the index. public static final EAlterIndexOption reorganize. IndexOptimize is supported on SQL Server 2008, SQL Server 2008 R2, SQL Server 2012, SQL Server 2014, SQL Server 2016, SQL Server 2017, SQL Server 2019, SQL Server 2022, Azure SQL Database,. To defrag the file simply run Contig [FileName]. Creating or dropping the table’s clustered index causes all its nonclustered indexes to be rebuilt. Drag and drop the index rebuild task from the maintenance plan toolbox. If you need more tempdb space, scale up the pool. Method 2: Manually create rebuild job using scripts and scheduled as. SqlManagerUI. If You have few indexes in. As this is an online operation, the index is available while the statement is running. (Look in the Misconceptions blog category for the rest of the month’s posts and check out the 60-page PDF with all the myths and misconceptions blog posts collected together when you join our Insider list, plus my online Myths and. create table dbo. Rebuilding an index means that a whole new set of pages is allocated for it. Shrinks the current database's specified data or log file size. When rebuilding offline your index is completely unavailable, but the operation is faster than that online. Rebuild Index. Note that the time it takes to complete the operations depends on the size of the database and how fragmented the indexes. It is used when the operation takes a. indexes table. Write own SQL proxy client replacing — HIDDEN MESSAGE with ORDER BY . There are several options that allow you to specify the level of. [Product] SET ( ALLOW_PAGE_LOCKS = ON ) ALTER INDEX [PK_Product] ON [Production]. ALTER FULLTEXT INDEX ON [tblname] START FULL POPULATION. How Fragmentation Hurts SQL Server Performance. As data is added to the table, the free space fills because the fill factor isn't maintained. ALTER INDEX TableDetails_UK0 ON TableDetails REBUILD WITH ( PAD_INDEX=OFF, SORT_IN_TEMPDB=ON. If this catalog has many indexes this rebuild could take a long time. Create a job to run your index reorganize ('Reorganize'). , from. When I run alter index index [IndexName] on dbo. In this article. Note. Until SQL Server 2017 (14. I figured, the reason was because of the page_count, which was lower than 1000 for each of the indexes that were still very fragmented. dm_db_index_physical_stats (Transact-SQL). Additionally, after reorganizing indexes it is reasonable to update the statistics as this operation does not update the statistics like the index rebuild operation. Now, all you have to do is download the T-SQL script, execute it on your Azure SQL DB and execute the maintenance procedure. Until SQL Server 2017 (14. Reading such data follows the same format. alter index all on table_name reorganize; But I only want to rebuild or reorganize if fragmentation percentage on each index is between a certain range. Index Rebuild : This process drops the existing Index and Recreates the index. This improves the Qualification Limit for REORGANIZE to remove deleted rows from a rowgroup in Clustered Columnstore Index (CCI) in SQL Server 2019. Typically, higher a site appears. On larger tables (50GB table is getting there) I've seen REORGANIZE consume all transaction log space if you follow this rule. GO. SQL Server index fragmentation is unavoidable, but you can minimize the negative effects of fragmentation on database performance. For now, I have just turned off the weekly index reorganize task which is not really a good long term solution. Review Index Fragmentation Report in SQL Server 2005 and 2008 tip. * Execute without specifying a schema to check user tables in all schemas. 1 Answer. Rebuild Index using ApexSQL Defrag ApexSQL Defrag Overview. Ideally , microsoft suggests that reorganize should be used for index fragmentation between 5 and 30 % and rebuild for > 30% We will use 3 statements in order to show the blocking: ALTER INDEX. Share. You can safely stop it but you need to find out why your database became slow. SQL Server. But, before considering maintenance of indexes, it is important to answer two main questions:. Usually, you should rebuild the index if it has a fragmentation greater than 30% and reorganize it if it has less than 30% fragmentation. Michelle Ufford (a. Create a non-clustered. Add a comment |Index Reorganize/ Rebuild Time. ALTER INDEX. If you have fragmentation, you need to REBUILD or REORGANIZE. Create an agent WMI alert ('Reorganize Relief Valve') on a performance condition. RS Repacked Basic Script available time ago and free to use on MSDN: “SQL Script for SQL Index Maintenance (Degraf or Rebuild)” HOW SYSTEM WORK ? Example : Analysis indexes defragmentation RATIO < 30% * “30” is an arbitrary decision point at which to SWITCH between REORGANIZING OR REBUILDING. 1. Applies to: SQL Server. MS advises using Reorganize for 30% fragmentation or less. In this instance, it generated the following code: Using above query, you could also query the progress of backup,restore,dbcc command and so on. インデックスの断片化の状態がわかったら、それによってインデックス (index) を再構成 (Reorganize)するか、または再構築 (Rebuild) するか決定します。. I have maintenance job on SQL Server 2012 Enterprise Edition that runs daily to check index fragmentation and reorganize or rebuild the index based on the percentage of fragmentation. From Rebuild or Reorganize: SQL Server Index Maintenance by Kendra Little: Short version: Rebuild: An index ‘rebuild’ creates a fresh, sparkling new structure for the index. Shrinking is a wasteful operation. Expand the Indexes. I figured, the reason was because of the page_count, which was lower than 1000 for each of the indexes that were still very fragmented. If the command that's running is a reorg, you can just kill it. Applies to: SQL Server 2016 (13. The execution time of the select in my system is 1 minute and 3 seconds as it is shown in Figure 4 below. 1. DBCC DBREINDEX rebuilds an index for a table or all indexes defined for a table. サーバーのパフォーマンスと利用状況の監視. 1. Here are two lesser known pitfall about the purge backup history command: 1. The Query Optimizer. Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance. But short answer is that you want to look at ALTER TABLE. m. Click Next, and you can define the Update Statistics task. You can use Ola's Index maintenance solution or Michelle Ufford's - Index Defrag Script. Is it better to rebuild big indexes? Or should you reorganize? Learn the pros and cons. The syntax for rebuilding indexes is very simple, we just add the "WITH ONLINE=ON" clause to the ALTER INDEX command. Right click on folders (where is sql server, your default paths) and go to security and add user from conf. In Object Explorer, Expand the. Note This article does not apply to a dedicated SQL pool in Azure Synapse Analytics. Need more info. There's a general consensus that you should reorganize ("defragment") your indices as soon as index fragmentation reaches more than 5 (sometimes 10%), and you should rebuild them completely when it goes beyond 30% (at least that's the numbers I've heard advocated in a lot of places). REBUILD. Pinal has authored 13 SQL Server database books and 56 Pluralsight courses. 3,895 9 51 77. That is not the last rebuild date of the index, it's the date the. T-SQL script. Microsoft recommends Index Rebuild operation to defrag indexes if the fragmentation level of your index is greater. sqL_handLe sqL. e. To enable the Web server, go to the “Server” -> “Domain Configuration” menu. Share. For us to perform this test we will first create a simple test table with a few columns and load a fair amount of data into it. #1258597. We switched to REBUILD instead with no more problems, but ignored fragmentation below. Click the "Generate Change Script" button: Now a window will open that contains the script to apply this change: Copy the text from the window. If it's a rebuild, it'll have to roll back, which is single threaded, and may take a very long time. k. You may be blocked making these changes by an important. ALTER INDEX failed because the following SET options have incorrect settings: 'QUOTED_IDENTIFIER'. An index reorganize holds an intent-exclusive table lock throughout the operation, which will only block shared, exclusive, and schema-modification table locks. REORGANIZE, os índices clusterizados, não clusterizados e XML da tabela serão reorganizados. This task uses the ALTER INDEX REORGANIZE statement with SQL Server databases. You will be corrected if you put a lower MB than that specified. Dec 19, 2021, 9:55 PM. We can compact the LOB space using: ALTER INDEX PK_dbo_Test ON dbo. With Query Builder for SQL Server, you can quickly and easily create pivot tables, filter data, and build charts to analyze your data. CREATE TEXT SEARCH PARSER. I'd just add that adding the line PRINT @sql after the SET @sql =. 5) MS-SQL Server - Fantastic Old Driver; MS-SQL Server - OLE DB; MS-SQL Server. Some Initial Caveats: It is generally known as a worst practice to ever shrink a production database or data file (Log files are another issue as this question talks about). Reorganize an index For rowstore indexes, the Database Engine defragments only the leaf level of clustered and nonclustered indexes on. Note: reorganise and rebuild are not exclusive but work different ways. This happens approx. Product REBUILD GO Index Reorganize : This process physically reorganizes the leaf nodes of. ALTER INDEX [PK_SalesOrderDetailEnlarged_SalesOrderID_SalesOrderDetailID] ON [Sales]. Let us create a Heap Table and insert some records in it and then check the fragmentation. @databaseToCheck (optional) Values: - NULL: It will scan all databases with compatibility level SQL Server 2005 (90) or later for fragmented indexes. This can be demonstrated by small test. Needless to say that in order to defrag a. Monitor tempdb during rebuild operations. Please refer to SQL Server Maintenance Plan Reorganize Index and Update Statistics Tasks to get more information about how to design the maintenance plan. This key helps a Database like Oracle, SQL Server, MySQL, etc. T-SQL Alter Index. Right-click the Indexes folder and select Reorganize All. REORGANIZE, but shrink is going to take an age, and then you’ll generate a ton of log doing the fragmentation removal. – user2438237. On a very busy system, attaining this exclusive lock can sometimes be a problem. We can compact the LOB space using: ALTER INDEX PK_dbo_Test ON dbo. Rebuild Index using ApexSQL Defrag ApexSQL Defrag Overview. Replace XXXDATABASENAMEXXX with the name of a database. If the older date partitions are pretty static , you might benefit from partition level index rebuild / reorganize, depending on sql server version. Rebuilding your indexes will generate a lot of unused allocated space in the data file. SQL Server does not maintain when an Index was last rebuild, instead it keeps information when stats were last updated. {"payload":{"allShortcutsEnabled":false,"fileTree":{"PowerShell/Working/SQLServer":{"items":[{"name":"SQLPS","path":"PowerShell/Working/SQLServer/SQLPS","contentType. This is a best practice for performance when you rebuild or reorganize indexes. [Product] SET ( ALLOW_PAGE_LOCKS = ON ) ALTER INDEX [PK_Product] ON [Production]. In the left pane where your databases are listed, right-click on the "SampleDataBase" and from the "Tasks" option select "Shrink" then "Files", as in the image below. The query causing the block is in the format: ALTER INDEX [indexName] ON tableName REORGANIZE. Agreed, this table is tiny, we have different tables on the same server with millions of records, that rebuild/reorganize in <1 minute. SQL Server. (Look in the Misconceptions blog category for the rest of the month’s posts and check out the 60-page PDF with all the myths and misconceptions blog posts collected together when you join our Insider list, plus my online Myths and. Although this option increases the amount of temporary disk space that is used to create an index, the. Oct 10, 2017 at 15:01. This view can be used to query the metadata about these fragments. The intent of this SQL Server query is to: Dynamically work rebuild/reorganize all indexes in all tables in all databases on a server. Execute SQL Server Agent Job. REORGANIZE statement. First, it reduces the size of the columnstore by physically removing deleted rows when 10% or more of the rows in a rowgroup have been deleted. Contact for Free SQL Server Performance Consulting and Training for you or your Organization. When I ran the query again, this was the result: Fragmentation over 70% for 12 indexes, over 30% for 15 indexes. Viewing 15 posts - 1 through 15 (of 16 total) 1SQL Server. Beginning with SQL Server 2016 (13. The syntax for rebuilding indexes is very simple, we just add the "WITH ONLINE=ON" clause to the ALTER INDEX command. For the unchecked option, TRUNCATEONLY is applied which prevents the SQL server from performing any data reorganising. However, you can use the following methods to rebuild your indexes: Method 1: Create a SQL Server agent job to rebuild indexes and update statistics. media_set_id. g. Paul Randal. You can safely stop it but you need to find out why your database became slow. However, recently this approach has. 2. Here is MSDN article on this:. dm_os_performance_counters where counter_name = 'page splits/sec'. Attempt to perform an online rebuild. Here is the image for additional clarity. Applies to: Oracle Database Cloud Schema Service - Version N/A and later. You can find documentation on this procedure on MSDN. If you are using Ola Hallengren's IndexOptimize script, it automatically looks after statistics maintenance, if you add the UpdateStatistics = 'ALL' parameter. Starting with SQL Server 2016 (13. If you don’t specify the string length, its default value is 1. [myTable] REORGANIZE WITH ( LOB_COMPACTION = ON ) I have the above query running for 16 days (still running), the table is a dummy table used for benchmark tests, it has over 10 Billion rows. For information about how to maintenance index, refer to MS document. Users(DisplayName) WITH (ONLINE = ON, RESUMABLE = ON, MAX_DURATION = 1); Those parameters mean: ONLINE = ON means you’ve got the money for Enterprise Edition. The database is using the Simple Recovery model. OBJECT_ID) AS TableName,ALTER INDEX (Transact-SQL) Skip to main content. The Reorganize Index task reorganizes indexes in SQL Server database tables and views. Shrink the files: r-click on DB, 'Tasks', 'Shrink', 'Files': Then pick a new file size value slightly larger than the 'Minimum is' value given in the dialog. Not often: only one system with a certain load pattern. USE [DatabaseName]The Maintenance Plan reporting and logging option is enabled by default, but a lot of DBA’s and developers don’t even realize it is an option, much less that it’s enabled. Therefore, you do not need to update statistics after performing ALTER INDEX REBUILD, DBCC DBREINDEX, DBCC INDEXDEFRAG, or ALTER INDEX REORGANIZE operations. Lock durations are short and will cause minimal blocking of queries. Applies to: SQL Server Azure SQL Database Azure SQL Managed Instance Causes stored procedures, triggers, and user-defined functions to be recompiled the next time that they're run. dm_db_index_physical_stats function in SQL Server, and the general recommendations in the Books Online are: If an index has less than 1,000 pages, don’t bother removing fragmentation; If the index has:It is documented that you can rebuild the index ONLINE for those indexes which has LOB columns as the index key. But I have to check it daily. indexstats. Always use the latest version of SQL Server Management Studio (SSMS). It does this by dropping the existing plan from the procedure cache, forcing a new plan to be created the next time that the procedure or. Review ALTER INDEX command on MSDN. . For example, the heaviest index (clustered index and also pk) is running reorg for around 4 hours 30 min even do the index was. Right-click on the fragmented index and select Rebuild or Reorganize option in the context menu (depending on the desired action): Click the OK button and wait for the process to complete. For a heap, you end up with the case where SQL server do not reclaim storage after deleting data. There's a general consensus that you should reorganize ("defragment") your indices as soon as index fragmentation reaches more than 5 (sometimes 10%), and you should rebuild them completely when it goes beyond 30% (at least that's the numbers I've heard advocated in a lot of places). It is used when the operation takes a. Shrink a database. Both versions allow you to specify the. ALTER INDEX (Transact-SQL) Salt la conținutul principal. For more information, see sys. Managed online disaster recovery between SQL Server 2022 and Azure SQL Managed Instance allows near real-time database replication and bidirectional. For more information, see sys. 問題の調査分析. Wednesday, February 7, 2018. ;WITH cte AS ( SELECT object_id, index_id, partition_number, rows, ROW_NUMBER () OVER (PARTITION BY object_id, index_id, partition_number ORDER BY partition_id) as rn FROM sys. Select the box to the left of the column name that you want to reorder. ALTER FULLTEXT CATALOG [CatalogName] REBUILD. Reorganize is always an online process. That can be found using the STATS_DATE function. We can do it by right-clicking on the plan and choosing "Modify" or by double-clicking on it: Then, drag and drop "Update Statistics Task" from the Toolbox to the design surface area: The Microsoft Docs page for SQL Server statistics states: Operations such as rebuilding, defragmenting, or reorganizing an index do not change the distribution of data. An index reorganize holds an intent-exclusive table lock throughout the operation, which will only block shared, exclusive, and schema-modification table locks. Otherwise you're holding an exclusive lock on the table/partition before you start the reorganize. MS-SQL Server - विचार; MS-SQL Server - Import Export, OEM & CREAM Alerts; MS-SQL Server - An English Vision; MS-SQL Server - DEV, TRI & Purchase; MS-SQL Server - Dhai (A Numeric 2. Rebuild or reorganize depending on the specified fragmentation threshold values. When I ran the query again, this was the result: Fragmentation over 70% for 12 indexes, over 30% for 15 indexes. I specialize in performance tuning emergencies. On the Standard bar, select New Query. 2100. RS Repacked Basic Script available time ago and free to use on MSDN: “SQL Script for SQL Index Maintenance (Degraf or Rebuild)” HOW SYSTEM WORK ? Example : Analysis indexes defragmentation RATIO < 30% * “30” is an arbitrary decision point at which to SWITCH between REORGANIZING OR REBUILDING. You can use it to move data from one file to other files in the same filegroup, which empties the file and allows for its database removal. . Execution Time of Select Statement. 1. For example, you can use ApexSQL Defrag to review the index usage statistics and apply the suitable maintenance. In Object Explorer, connect to an instance of the SQL Server Database Engine, and then expand that instance. I do the maintenance from SQL Server Agent jobs behind the scenes. REBUILD (to remove forwarding pointerns in a heap) and ALTER INDEX. Use nvarchar(max), varchar(max), and. _in_percent > 50 AND ss. If an online rebuild can not be performed due to column types, do an offline rebuild if. SELECT * FROM sys. Here is a sample script to reorganize any index in SQL Server. Agreed, this table is tiny, we have different tables on the same server with millions of records, that rebuild/reorganize in <1 minute. manager. RESUMABLE = ON means you can pause. ALTER INDEX [myIndex] ON [dbo]. While page splitting is a normal SQL Server activity, too much page splitting can cause performance issues because it results in index fragmentation,.