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https://issues.apache.org/jira/browse/PHOENIX-4785?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16514639#comment-16514639
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Ankit Singhal commented on PHOENIX-4785:
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{quote}I suppose we could set it on the client side, by writing to 
System.CATALOG every time we initially get back an IndexWriteException ?
{quote}
yes, client increment would be good.
{quote}The problem with doing it on the client side is, the server will set 
PENDING_DISABLE, but the client could go away before updating the counter. So 
not sure how feasible this is.
{quote}
This is fine I think because irrespective of the count we can DISABLE the table 
if it stays more than phoenix.index.pending.disable.threshold in 
PENDING_DISABLE state.

And , another thing we should not let the index usable for queries(writes are 
ok) when it is in PENDING_DISABLE state to avoid inconsistency issues even if 
it is for a small time.

> Unable to write to table if index is made active during retry
> -------------------------------------------------------------
>
>                 Key: PHOENIX-4785
>                 URL: https://issues.apache.org/jira/browse/PHOENIX-4785
>             Project: Phoenix
>          Issue Type: Bug
>    Affects Versions: 4.14.0
>            Reporter: Romil Choksi
>            Assignee: Vincent Poon
>            Priority: Blocker
>             Fix For: 5.0.0, 4.14.1
>
>         Attachments: PHOENIX-4785.v1.master.patch, PHOENIX-4785_test.patch
>
>
> After PHOENIX-4130, we are unable to write to a table if an index is made 
> ACTIVE during the retry as client timestamp is not cleared when table state 
> is changed from PENDING_DISABLE to ACTIVE even if our policy is not to block 
> writes on data table in case of write failure for index.



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