Maxim, I'm talking about cluster upgrade through cluster stop -> binary
update -> cluster start.

вт, 28 апр. 2020 г. в 14:37, Maxim Muzafarov <mmu...@apache.org>:

> Sergey,
>
> Are you talking about a cluster rolling upgrade feature? AFAIK, Apache
> Ignite doesn't support this feature, so why we should care about it?
>
> On Tue, 28 Apr 2020 at 14:32, Sergey Antonov <antonovserge...@gmail.com>
> wrote:
> >
> > Maxim,
> >
> > > should we _reject_ joining nodes which have different
> > From my point of view, it's a breaking change on cluster update.
> >
> > We can get a different inline size in other scenarios too: as I know we
> did
> > some improvements in calculation effective (actual) index inline size.
> > Let's imagine, we have PDS cluster created on the "old" apache ignite
> > version. We decided to upgrade Ignite version and after that, join a new
> > node to the cluster. On a new node, effective inline sizes will be
> > calculated by the optimized algorithm. On the old nodes, the inline size
> > will not be recalculated. It can lead to a difference in inline sizes
> > without IGNITE_MAX_INDEX_PAYLOAD_SIZE option.
> >
> >
> >
> > вт, 28 апр. 2020 г. в 14:22, Maxim Muzafarov <mmu...@apache.org>:
> >
> > > Sergey, Ilya,
> > >
> > >
> > > Since inline size for the `create table` clause not supported yet and
> > > the IGNITE_MAX_INDEX_PAYLOAD_SIZE is the only option, should we
> > > _reject_ joining nodes which have different
> > > IGNITE_MAX_INDEX_PAYLOAD_SIZE value instead for allowing and printing
> > > warning message? Thus we will force users to have the same values of
> > > IGNITE_MAX_INDEX_PAYLOAD_SIZE property.
> > >
> > >
> > > On Tue, 28 Apr 2020 at 14:01, Ilya Kasnacheev <
> ilya.kasnach...@gmail.com>
> > > wrote:
> > > >
> > > > Hello!
> > > >
> > > > Unfortunately and embarrassingly, we still do not support passing
> > > > INLINE_SIZE to CREATE TABLE, at least in 2.8.0.
> > > > This means IGNITE_MAX_INDEX_PAYLOAD_SIZE is the only option to
> create an
> > > > implicit primary key index with specified inline size.
> > > >
> > > > Regards,
> > > > --
> > > > Ilya Kasnacheev
> > > >
> > > >
> > > > вт, 28 апр. 2020 г. в 02:31, Denis Magda <dma...@apache.org>:
> > > >
> > > > > Hi Sergey,
> > > > >
> > > > > Your changes look useful from the application developer
> perspective.
> > > > > However, I'm curious why would the one change some low-level
> > > > > IGNITE_MAX_INDEX_PAYLOAD_SIZE parameter when it's advised to pass
> > > > > INLINE_SIZE to CREATE TABLE to change the index size cluster-wide.
> > > > >
> > > > > -
> > > > > Denis
> > > > >
> > > > >
> > > > > On Mon, Apr 27, 2020 at 5:38 AM Sergey Antonov <
> > > antonovserge...@gmail.com>
> > > > > wrote:
> > > > >
> > > > > > Hi, Igniters!
> > > > > >
> > > > > > I'd like to share a new small feature in AI [1].
> > > > > >
> > > > > > For different reasons, the cluster could have a different SQL
> index
> > > > > inline
> > > > > > size [2] on cluster nodes. For example due to
> > > > > > different IGNITE_MAX_INDEX_PAYLOAD_SIZE [3] value on cluster
> nodes.
> > > > > >
> > > > > > The difference in index inline size may lead to performance
> > > degradation.
> > > > > > I think we must compare inline sizes on node join and warn if
> > > difference
> > > > > > found. Also, We should have the ability to check inline sizes on
> > > demand.
> > > > > >
> > > > > > I've implemented this check on node join and new command in
> > > control.sh
> > > > > >
> > > > > > Look at warning message and utility command output:
> > > > > >
> > > > > > Warn message on a node in the cluster during new node join:
> > > > > >
> > > > > > [2020-04-27 15:36:21,185][WARN ][tcp-disco-msg-worker-[6ba0b823
> > > > > > 127.0.0.1:47502
> > > > > >
> crd]-#17%cache.CheckIndexesInlineSizeOnNodeJoinMultiJvmTest0%][root]
> > > > > Inline
> > > > > > sizes on local node and node
> 5bf6ca48-34a0-4aff-8db2-c0b6df303d3f are
> > > > > > different. Please drop and create again these indexes to avoid
> > > > > performance
> > > > > > problems with SQL queries. Problem indexes:
> > > > > >
> > > > > >
> > > > >
> > >
> PUBLIC#TEST_TABLE#L_IDX(1,2),PUBLIC#TEST_TABLE#S1_IDX(1,2),PUBLIC#TEST_TABLE#I_IDX(1,2)
> > > > > >
> > > > > > Warn messages on a joining node, if difference found:
> > > > > > [2020-04-27 15:35:17,326][WARN ][tcp-disco-msg-worker-[a86e9cea
> > > > > > 127.0.0.1:47501
> > > > > > ]-#11%cache.CheckIndexesInlineSizeOnNodeJoinMultiJvmTest0%][root]
> > > > > > Inline sizes on local node and node
> > > a86e9cea-63e8-42af-a897-cec4be500001
> > > > > > are different. Please drop and create again these indexes to
> avoid
> > > > > > performance problems with SQL queries. Problem indexes:
> > > > > >
> > > > > >
> > > > >
> > >
> PUBLIC#TEST_TABLE#L_IDX(1,2),PUBLIC#TEST_TABLE#S1_IDX(1,2),PUBLIC#TEST_TABLE#I_IDX(1,2)
> > > > > > [2020-04-27 15:35:17,326][WARN ][tcp-disco-msg-worker-[a86e9cea
> > > > > > 127.0.0.1:47501
> > > > > > ]-#11%cache.CheckIndexesInlineSizeOnNodeJoinMultiJvmTest0%][root]
> > > > > > Inline sizes on local node and node
> > > a08de16d-df05-48af-a0b9-5596d9c00002
> > > > > > are different. Please drop and create again these indexes to
> avoid
> > > > > > performance problems with SQL queries. Problem indexes:
> > > > > >
> > > > > >
> > > > >
> > >
> PUBLIC#TEST_TABLE#L_IDX(1,3),PUBLIC#TEST_TABLE#S1_IDX(1,3),PUBLIC#TEST_TABLE#I_IDX(1,3)
> > > > > >
> > > > > >
> > > > > > Utility output, if a difference in inline sizes was found:
> > > > > >
> > > > > > Control utility [ver. 2.9.0-SNAPSHOT#20200427-sha1:DEV]
> > > > > > 2020 Copyright(C) Apache Software Foundation
> > > > > > User: santonov
> > > > > > Time: 2020-04-27T15:32:25.759
> > > > > > Command [CACHE] started
> > > > > > Arguments: --cache check_index_inline_sizes --yes
> > > > > >
> > > > > >
> > > > >
> > >
> --------------------------------------------------------------------------------
> > > > > > Found 4 secondary indexes.
> > > > > > 3 index(es) have different effective inline size on nodes. It can
> > > lead to
> > > > > > performance degradation in SQL queries.
> > > > > > Index(es):
> > > > > >   Full index name: PUBLIC#TEST_TABLE#L_IDX nodes:
> > > > > > [ca1d2bae-89d4-4e8d-ae11-6c68f3900000] inline size: 1, nodes:
> > > > > > [8327abd1-df08-4b97-8720-de95e363e745] inline size: 2
> > > > > >   Full index name: PUBLIC#TEST_TABLE#S1_IDX nodes:
> > > > > > [ca1d2bae-89d4-4e8d-ae11-6c68f3900000] inline size: 1, nodes:
> > > > > > [8327abd1-df08-4b97-8720-de95e363e745] inline size: 2
> > > > > >   Full index name: PUBLIC#TEST_TABLE#I_IDX nodes:
> > > > > > [ca1d2bae-89d4-4e8d-ae11-6c68f3900000] inline size: 1, nodes:
> > > > > > [8327abd1-df08-4b97-8720-de95e363e745] inline size: 2
> > > > > >
> > > > > > Recommendations:
> > > > > >   Check that value of property IGNITE_MAX_INDEX_PAYLOAD_SIZE are
> the
> > > same
> > > > > > on all nodes.
> > > > > >   Recreate indexes (execute DROP INDEX, CREATE INDEX commands)
> with
> > > > > > different inline size.
> > > > > > Command [CACHE] finished with code: 0
> > > > > > Control utility has completed execution at:
> 2020-04-27T15:32:28.025
> > > > > > Execution time: 2266 ms
> > > > > >
> > > > > > Utility output, if all indexes have the same inline size:
> > > > > >
> > > > > > Control utility [ver. 2.9.0-SNAPSHOT#20200427-sha1:DEV]
> > > > > > 2020 Copyright(C) Apache Software Foundation
> > > > > > User: santonov
> > > > > > Time: 2020-04-27T15:30:20.950
> > > > > > Command [CACHE] started
> > > > > > Arguments: --cache check_index_inline_sizes --yes
> > > > > >
> > > > > >
> > > > >
> > >
> --------------------------------------------------------------------------------
> > > > > > Found 2 secondary indexes.
> > > > > > All secondary indexes have the same effective inline size on all
> > > cluster
> > > > > > nodes.
> > > > > > Command [CACHE] finished with code: 0
> > > > > > Control utility has completed execution at:
> 2020-04-27T15:30:23.428
> > > > > > Execution time: 2478 ms
> > > > > >
> > > > > > Any objections?
> > > > > >
> > > > > > [1] https://issues.apache.org/jira/browse/IGNITE-12942
> > > > > > [2] https://apacheignite-sql.readme.io/docs/create-index
> > > > > > [3]
> > > > > >
> > > > > >
> > > > >
> > >
> https://ignite.apache.org/releases/latest/javadoc/org/apache/ignite/IgniteSystemProperties.html#IGNITE_MAX_INDEX_PAYLOAD_SIZE
> > > > > >
> > > > > > --
> > > > > > BR, Sergey Antonov
> > > > > >
> > > > >
> > >
> >
> >
> > --
> > BR, Sergey Antonov
>


-- 
BR, Sergey Antonov

Reply via email to