OpenAIRE2020 - Wiki

h1. D6.4 OpenAIRE Maintenance Report (v1, 9th of December 2016)

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h2. Overview

This document contains information about the deployment, status of OpenAIRE2020 services and content, and the history of major modifications of the system hosted at ICM, Poland. 

The official maintenance of the OpenAIRE2020 services began on January 1st, 2015 when the project started.

h2. Deployment

Because OpenAIRE2020 services are a continuation and incremental extension of the services already present that resulted from OpenAIRE+ project, so they are still hosted on that same machines. More details are available at "OpenAIRE+ WP5 Maintenance Report":http://wiki.openaire.eu/xwiki/bin/view/OpenAIREplus%20Specific/WP5%20Maintenance%20Report.

_@Paweł: are there any new services in maintenance since OpenAIRE+ project worth mentioning here?_

h2. Documentation

DNet deployment is performed following the documentation described at: http://ivy.driver.research-infrastructures.eu/ci/dnet-openaire-doc/

_@Claudio: is it up to date?_

Zenodo repository is deployed according to the process described at http://invenio-software.org/wiki/Project/OpenAIREplus/ReleaseProcess.

_@Lars: link does not work anymore, can you provide the proper one?_

"Information Inference Service":https://github.com/openaire/iis versioning and deployment is described on "IIS versioning and deployment":https://issue.openaire.research-infrastructures.eu/projects/openaire/wiki/IIS_versioning_and_deployment wiki page.

h2. [[D-NET workflows]]

_@Claudio: could you fill that in?_

h2. Services status

h3. D-NET backend services

_@Claudio: could you fill that in? Probably you can rely on http://wiki.openaire.eu/xwiki/bin/view/OpenAIREplus%20Specific/WP5%20Maintenance%20Report_

h3. Portal

_@Paweł: could you fill that in? You can do it in a similar way it was done in http://wiki.openaire.eu/xwiki/bin/view/Technical%20Specifications/Maintenance%20Report_

h3. Zenodo

Zenodo repository employs an instance of the Invenio software, developed by CERN.

_@Lars: could you fill that in? You can do it in a similar way it was done in http://wiki.openaire.eu/xwiki/bin/view/Technical%20Specifications/Maintenance%20Report_

h3. DM hadoop cluster

CDH version: @cdh4.3.1@

h3. IIS hadoop cluster

CDH version: @cdh4.3.1@, replaced with @cdh5.5.2@ on November 20, 2016, to be replaced with @cdh5.9.0@

h3. Content status

|*data type*|*count*|

|publications|17460368|

|datasets|3226586|

|projects|653268|

|organizations|64591|

|authors|16188328|

|EuropePMC XML contents|1574358|

|PDF contents|2227458|

Based on IIS report generated on November 20, 2016.

h3. Change Log for servers administration operations

_@Paweł: could you fill that in? This could be similar to: http://wiki.openaire.eu/xwiki/bin/view/OpenAIREplus%20Specific/Change%20Log%20for%20servers%20administration%20operations_

h2. Major modifications

h3. Introducing CDH5 IIS cluster hosted in OCEAN infrastructure

Slave node specification:

* Huawei RH1288 V3

* CPU: 2x Intel(R) Xeon(R) CPU E5-2680 v3 @ 2.50GHz (24 cores, 48 threads)

* RAM: 128GB

* HDD: 4x SATA 6TB 7.2K RPM (HDFS)

Cluster summary (16 slaves):

* CPU: 384 cores, 768 threads

* RAM: 2048GB

* HDD: 384TB (HDFS)

YARN available resources:

* vcores: 640

* memory: 1.44TB

* HDFS: 344TB

h3. Incorporating resources from old CDH4 IIS cluster into existing DM CDH4 cluster

_@Paweł: are you aware of any other major modifications regarding other services such as new portal version etc?_

h2. System downtimes

_@Paweł: could you fill that in? We could create dedicated with entry similar to:

http://wiki.openaire.eu/xwiki/bin/view/OpenAIREplus%20Specific/History%20of%20system%20outages

and link it here._