ObjectDB Database Search

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ObjectDB is opening too many sockets

total) 02_firstdb closed connection (File-Close connection) 22 sockets open 03_firstdb open second ... created during socket creation. Those are created with 2 seconds interval ... and nothing prevents the JVM from removing them. Actually it seems that during these 4-5 seconds the JVM

Query becomes slower on moving from ObjectDB 1.x to ObjectDB 2.x

, with object 1.x, the same query was getting executed within an seconds and now the same is taking around 40 seconds in object db 2.x I have build the query using the follwoing Query query = persistanceManager ... query.execute(param1, param2); This takes 1 second to execute using objectdb1.x, but the same takes

Insertion Speed Rate and Batch Load

1. I got about 10K inserts / second , is it normal? I would expect more than that, like close to 100K/ second . I can definitely do 80K inserts/ seconds on Oracle with batch insert on table ... Device instances per second . But Device is a large object with an array of 100 strings (by the way

Occasionally slow requests in load testing

response times from the DB, around 10 - 15 seconds . Looking at the DB server process with AppDynamics ... is large - execution time may also be much longer than 10-15 seconds . The other stack trace (com ... are so slow (around 10-15 seconds ), this is really visible in our test results. We are running quite

Eclipse plugin problem (using ObjectDB as a separate bundle)

and then the "Therepeautic Drug Screen". Enter integers in the first 2 text fields and select any dates in the second ... . Please give it a second try with these instructions: 1. Download eclipse 3.62 from http://download ... category is selected at the bottom of the page. Uncheck "E4 Runtime Features" ( second in the list

Insert time increases as db grows.

: 8,5 seconds against 30 seconds with hibernate+mysql. Then I started the test again and got 9,5 seconds ; then 11 seconds and so on. Should I change my config in some way to get more stable insertion time ... and everything worked like a charm: the execution time of test now is around 2 seconds . Thanks for assistance. 4410 Arsenii

First query takes 4+ minutes to complete

. SQLite in comparison responds within few seconds on average with the same number of records. We hope ... of 5 records per second . Each add is a single new object and is wrapped in a transaction. 2. The 2nd ... for about 60 seconds . By this time a number of new records are already being added by

CriteriaBuilder.greaterThan(x,y) - JPA Method

JPA Method in javax.persistence.criteria.CriteriaBuilder Predicate greaterThan (    Expression  x,    Y y ) Create a predicate for testing whether the first argument is greater than the second . Parameters: x - expression y - value Return: greater-than predicate Since: JPA 2.0

CriteriaBuilder.greaterThanOrEqualTo(x,y) - JPA Method

JPA Method in javax.persistence.criteria.CriteriaBuilder Predicate greaterThanOrEqualTo (    Expression  x,     Expression  y ) Create a predicate for testing whether the first argument is greater than or equal to the second . Parameters: x - expression y

CriteriaBuilder.greaterThanOrEqualTo(x,y) - JPA Method

JPA Method in javax.persistence.criteria.CriteriaBuilder Predicate greaterThanOrEqualTo (    Expression  x,    Y y ) Create a predicate for testing whether the first argument is greater than or equal to the second . Parameters: x - expression y - value Return: greater-than-or-equal predicate Since: JPA 2.0

CriteriaBuilder.lessThan(x,y) - JPA Method

JPA Method in javax.persistence.criteria.CriteriaBuilder Predicate lessThan (    Expression  x,     Expression  y ) Create a predicate for testing whether the first argument is less than the second . Parameters: x - expression y - expression Return: less-than predicate Since: JPA 2.0

CriteriaBuilder.lessThan(x,y) - JPA Method

JPA Method in javax.persistence.criteria.CriteriaBuilder Predicate lessThan (    Expression  x,    Y y ) Create a predicate for testing whether the first argument is less than the second . Parameters: x - expression y - value Return: less-than predicate Since: JPA 2.0

CriteriaBuilder.lessThanOrEqualTo(x,y) - JPA Method

JPA Method in javax.persistence.criteria.CriteriaBuilder Predicate lessThanOrEqualTo (    Expression  x,     Expression  y ) Create a predicate for testing whether the first argument is less than or equal to the second . Parameters: x - expression y - expression Return: less-than-or-equal predicate Since: JPA 2.0

CriteriaBuilder.lessThanOrEqualTo(x,y) - JPA Method

JPA Method in javax.persistence.criteria.CriteriaBuilder Predicate lessThanOrEqualTo (    Expression  x,    Y y ) Create a predicate for testing whether the first argument is less than or equal to the second . Parameters: x - expression y - value Return: less-than-or-equal predicate Since: JPA 2.0

CriteriaBuilder.between(v,x,y) - JPA Method

JPA Method in javax.persistence.criteria.CriteriaBuilder Predicate between (    Expression  v,     Expression  x,     Expression  y ) Create a predicate for testing whether the first argument is between the second and third arguments in value

CriteriaBuilder.between(v,x,y) - JPA Method

JPA Method in javax.persistence.criteria.CriteriaBuilder Predicate between (    Expression  v,    Y x,    Y y ) Create a predicate for testing whether the first argument is between the second and third arguments in value. Parameters: v

CriteriaBuilder.gt(x,y) - JPA Method

JPA Method in javax.persistence.criteria.CriteriaBuilder Predicate gt (    Expression  x,     Expression  y ) Create a predicate for testing whether the first argument is greater than the second . Parameters: x - expression y - expression Return: greater-than predicate Since: JPA 2.0

CriteriaBuilder.gt(x,y) - JPA Method

JPA Method in javax.persistence.criteria.CriteriaBuilder Predicate gt (    Expression  x,    Number y ) Create a predicate for testing whether the first argument is greater than the second . Parameters: x - expression y - value Return: greater-than predicate Since: JPA 2.0

CriteriaBuilder.ge(x,y) - JPA Method

JPA Method in javax.persistence.criteria.CriteriaBuilder Predicate ge (    Expression  x,     Expression  y ) Create a predicate for testing whether the first argument is greater than or equal to the second . Parameters: x - expression y - expression Return: greater-than-or-equal predicate Since: JPA 2.0

CriteriaBuilder.ge(x,y) - JPA Method

JPA Method in javax.persistence.criteria.CriteriaBuilder Predicate ge (    Expression  x,    Number y ) Create a predicate for testing whether the first argument is greater than or equal to the second . Parameters: x - expression y - value Return: greater-than-or-equal predicate Since: JPA 2.0

CriteriaBuilder.lt(x,y) - JPA Method

JPA Method in javax.persistence.criteria.CriteriaBuilder Predicate lt (    Expression  x,     Expression  y ) Create a predicate for testing whether the first argument is less than the second . Parameters: x - expression y - expression Return: less-than predicate Since: JPA 2.0

CriteriaBuilder.lt(x,y) - JPA Method

JPA Method in javax.persistence.criteria.CriteriaBuilder Predicate lt (    Expression  x,    Number y ) Create a predicate for testing whether the first argument is less than the second . Parameters: x - expression y - value Return: less-than predicate Since: JPA 2.0

CriteriaBuilder.le(x,y) - JPA Method

JPA Method in javax.persistence.criteria.CriteriaBuilder Predicate le (    Expression  x,     Expression  y ) Create a predicate for testing whether the first argument is less than or equal to the second . Parameters: x - expression y - expression Return: less-than-or-equal predicate Since: JPA 2.0

CriteriaBuilder.le(x,y) - JPA Method

JPA Method in javax.persistence.criteria.CriteriaBuilder Predicate le (    Expression  x,    Number y ) Create a predicate for testing whether the first argument is less than or equal to the second . Parameters: x - expression y - value Return: less-than-or-equal predicate Since: JPA 2.0

each 1-2 days objects on some objectdb level lock/block each other

(0x00000000b6681e10) by one thread. The second thread dump (0x00000000bc88c318) is related ... to time that a query that normally takes a second does take minutes hgzwicker Hans-Georg Zwicker The first ... (and a few seconds could also be considered by users as slow), e.g. by using additional indexes, to prevent

PersistenceManagerFactory.setConnectionFactory2Name(connectionFactoryName) - JDO Method

JDO Method in javax.jdo.PersistenceManagerFactory void setConnectionFactory2Name (   String connectionFactoryName ) Set the name for the second data store connection factory. This is needed for managed environments to get nontransactional connections for optimistic transactions

PersistenceManagerFactory.getConnectionFactory2Name() - JDO Method

JDO Method in javax.jdo.PersistenceManagerFactory String getConnectionFactory2Name () Get the name for the second data store connection factory. This is needed for managed environments to get nontransactional connections for optimistic transactions. Return: the name of the data store connection factory. Since: JDO 1.0

PersistenceManagerFactory.setConnectionFactory2(connectionFactory) - JDO Method

JDO Method in javax.jdo.PersistenceManagerFactory void setConnectionFactory2 (   Object connectionFactory ) Set the second data store connection factory. This is needed for managed environments to get nontransactional connections for optimistic transactions. JDO implementations

PersistenceManagerFactory.getConnectionFactory2() - JDO Method

JDO Method in javax.jdo.PersistenceManagerFactory Object getConnectionFactory2 () Get the second data store connection factory. This is needed for managed environments to get nontransactional connections for optimistic transactions. Return: the data store connection factory. Since: JDO 1.0

Query.execute(p1,p2) - JDO Method

JDO Method in javax.jdo.Query Object execute (   Object p1,    Object p2 ) Execute the query and return the filtered Collection . Parameters: p1 - the value of the first parameter declared. p2 - the value of the second parameter declared. Return: the filtered

Query.execute(p1,p2,p3) - JDO Method

JDO Method in javax.jdo.Query Object execute (   Object p1,    Object p2,    Object p3 ) Execute the query and return the filtered Collection . Parameters: p1 - the value of the first parameter declared. p2 - the value of the second parameter

Query.setResultClass(cls) - JDO Method

expression and the second argument is the value from the query result. Portable result classes do not

DataStoreCache.evict(oid) - JDO Method

JDO Method in javax.jdo.datastore.DataStoreCache void evict (   Object oid ) Evict the parameter instance from the second -level cache. Parameters: oid - the object id of the instance to evict. Since: JDO 2.0

DataStoreCache.evictAll(oids) - JDO Method

JDO Method in javax.jdo.datastore.DataStoreCache void evictAll (   Object... oids ) Evict the parameter instances from the second -level cache. Parameters: oids - the object ids of the instance to evict. Since: JDO 2.0

DataStoreCache.evictAll(oids) - JDO Method

JDO Method in javax.jdo.datastore.DataStoreCache void evictAll (   Collection oids ) Evict the parameter instances from the second -level cache. Parameters: oids - the object ids of the instance to evict. Since: JDO 2.0

DataStoreCache.evictAll(pcClass,subclasses) - JDO Method

JDO Method in javax.jdo.datastore.DataStoreCache void evictAll (   Class pcClass,    boolean subclasses ) Evict the parameter instances from the second -level cache. Parameters: pcClass - the class of instances to evict subclasses - if true, evict instances of subclasses also Since: JDO 2.0

DataStoreCache.evictAll(subclasses,pcClass) - JDO Method

JDO Method in javax.jdo.datastore.DataStoreCache void evictAll (   boolean subclasses,    Class pcClass ) Evict the parameter instances from the second -level cache. Parameters: pcClass - the class of instances to evict subclasses - if true, evict instances of subclasses also Since: JDO 2.1

DataStoreCache.pin(oid) - JDO Method

JDO Method in javax.jdo.datastore.DataStoreCache void pin (   Object oid ) Pin the parameter instance in the second -level cache. Parameters: oid - the object id of the instance to pin. Since: JDO 2.0

DataStoreCache.pinAll(oids) - JDO Method

JDO Method in javax.jdo.datastore.DataStoreCache void pinAll (   Collection oids ) Pin the parameter instances in the second -level cache. Parameters: oids - the object ids of the instances to pin. Since: JDO 2.0

DataStoreCache.pinAll(oids) - JDO Method

JDO Method in javax.jdo.datastore.DataStoreCache void pinAll (   Object... oids ) Pin the parameter instances in the second -level cache. Parameters: oids - the object ids of the instances to pin. Since: JDO 2.0

DataStoreCache.pinAll(pcClass,subclasses) - JDO Method

JDO Method in javax.jdo.datastore.DataStoreCache void pinAll (   Class pcClass,    boolean subclasses ) Pin instances in the second -level cache. Parameters: pcClass - the class of instances to pin subclasses - if true, pin instances of subclasses also Since: JDO 2.0

DataStoreCache.pinAll(subclasses,pcClass) - JDO Method

JDO Method in javax.jdo.datastore.DataStoreCache void pinAll (   boolean subclasses,    Class pcClass ) Pin instances in the second -level cache. Parameters: pcClass - the class of instances to pin subclasses - if true, pin instances of subclasses also Since: JDO 2.1

DataStoreCache.unpin(oid) - JDO Method

JDO Method in javax.jdo.datastore.DataStoreCache void unpin (   Object oid ) Unpin the parameter instance from the second -level cache. Parameters: oid - the object id of the instance to unpin. Since: JDO 2.0

DataStoreCache.unpinAll(oids) - JDO Method

JDO Method in javax.jdo.datastore.DataStoreCache void unpinAll (   Collection oids ) Unpin the parameter instances from the second -level cache. Parameters: oids - the object ids of the instance to evict. Since: JDO 2.0

DataStoreCache.unpinAll(oids) - JDO Method

JDO Method in javax.jdo.datastore.DataStoreCache void unpinAll (   Object... oids ) Unpin the parameter instance from the second -level cache. Parameters: oids - the object id of the instance to evict. Since: JDO 2.0

DataStoreCache.unpinAll(pcClass,subclasses) - JDO Method

JDO Method in javax.jdo.datastore.DataStoreCache void unpinAll (   Class pcClass,    boolean subclasses ) Unpin instances from the second -level cache. Parameters: pcClass - the class of instances to unpin subclasses - if true, unpin instances of subclasses also Since: JDO 2.0

DataStoreCache.unpinAll(subclasses,pcClass) - JDO Method

JDO Method in javax.jdo.datastore.DataStoreCache void unpinAll (   boolean subclasses,    Class pcClass ) Unpin instances from the second -level cache. Parameters: pcClass - the class of instances to unpin subclasses - if true, unpin instances of subclasses also Since: JDO 2.1

javax.jdo.datastore.DataStoreCache$EmptyDataStoreCache

JDO Class EmptyDataStoreCache java.lang.Object ∟  javax.jdo.datastore.DataStoreCache$EmptyDataStoreCache Implemented Interfaces: DataStoreCache This class is an empty implementation of the DataStoreCache interface. It can be used by an implementation that does not support a second -level cache

I18NHelper.msg(messageKey,arg1,arg2) - JDO Method

JDO Method in javax.jdo.spi.I18NHelper String msg (   String messageKey,    Object arg1,    Object arg2 ) Message formatter Parameters: messageKey - the message key arg1 - the first argument arg2 - the second argument Return: the resolved message text Since: JDO 1.0

I18NHelper.msg(messageKey,arg1,arg2,arg3) - JDO Method

- the second argument arg3 - the third argument Return: the resolved message text Since: JDO 1.0