Institute ## √ Why Design Key designs used by CURVE Roadmap CURVE Comn You can take a $ ^{1} $ ## OID + CND ## Why develop Storage requirements • Hardware requirements o more CPU cores, faster Network Achievements in CURVE Key designs used by CURVE CURVE Roadmap CURVE Community You can take away ## OID + CND ## Design objectives ## App scenario & requires • Database scenario - Elastic block Storage ts/0/8/a/e/08ae71a4727fd75ad27d07540ed4f15a/p8_1.jpg) Memory CPU CURVE shared strange pool ## OID + CND ## Performance compare with CEPH ## The test environment - A cluster consists of six nodes

word ARRAY followed by a parenthesized (not bracketed) subquery. For example: SELECT ARRAY(SELECT oid FROM pg_proc WHERE proname LIKE 'bytea%'); ?column? {2011,1954,1948,1952,1951,1244,1950,2005 restrictions.) You do not really need to be concerned about these columns, just know they exist. ## oid The object identifier (object ID) of a row. This is a serial number that is automatically added by column is not present). This column is of type oid (same name as the column); see Section 8.12 for more information about the type. ## tableoid The OID of the table containing this row. This column is

customer cid name orders oid cid pid mname merchant name ## Sharded PRODUCT UNSHARDED product pid description CUSTOMER SHARDED customer cid name orders oid cid pid mname MERCHANT SHARDED description cid name balance orders -80 oid cid mname pid price Samples ▼ ## customer Query customer 80- cid name balance mname orders 80- oid cid mname pid price ## merchant merchant -80 into orders(oid, cid, mname, pid, price) values(1, 1, 'monoprice', 1, 10); insert into orders(oid, cid, mname, pid, price) values(2, 1, 'newegg', 2, 15); insert into orders(oid, cid, mname

Author ..... 2443 G. Additional Supplied Programs ..... 2444 G.1. Client Applications ..... 2444 oid2name ..... 2444 vacuumlo ..... 2449 G.2. Server Applications ..... 2451 pg_standby ..... 2451 word ARRAY followed by a parenthesized (not bracketed) subquery. For example: SELECT ARRAY(SELECT oid FROM pg_proc WHERE proname LIKE 'bytea%'); array {2011,1954,1948,1952,1951,1244,1950,2005 restrictions.) You do not really need to be concerned about these columns; just know they exist. oid The object identifier (object ID) of a row. This column is only present if the table was created using

..... 2593 G. Additional Supplied Programs ..... 2594 G.1. Client Applications ..... 2594 oid2name ..... 2594 vacuumlo ..... 2599 G.2. Server Applications ..... 2601 pg_standby ..... word ARRAY followed by a parenthesized (not bracketed) subquery. For example: SELECT ARRAY(SELECT oid FROM pg_proc WHERE proname LIKE 'bytea%'); array {2011,1954,1948,1952,1951,1244,1950,2005,1949 restrictions.) You do not really need to be concerned about these columns; just know they exist. oid The object identifier (object ID) of a row. This column is only present if the table was created using

word ARRAY followed by a parenthesized (not bracketed) subquery. For example: SELECT ARRAY(SELECT oid FROM pg_proc WHERE proname LIKE 'bytea%'); array {2011,1954,1948,1952,1951,1244,1950,2005 restrictions.) You do not really need to be concerned about these columns; just know they exist. ## oid The object identifier (object ID) of a row. This column is only present if the table was created using variable was set at the time. This column is of type oid (same name as the column); see Section 8.18 for more information about the type. ## tableoid The OID of the table containing this row. This column is

word ARRAY followed by a parenthesized (not bracketed) subquery. For example: SELECT ARRAY(SELECT oid FROM pg_proc WHERE proname LIKE 'bytea%'); array {2011,1954,1948,1952,1951,1244,1950,2005 restrictions.) You do not really need to be concerned about these columns; just know they exist. oid The object identifier (object ID) of a row. This column is only present if the table was created using variable was set at the time. This column is of type oid (same name as the column); see Section 8.18 for more information about the type. tableoid The OID of the table containing this row. This column is

word ARRAY followed by a parenthesized (not bracketed) subquery. For example: SELECT ARRAY(SELECT oid FROM pg_proc WHERE proname LIKE 'bytea%'); array ---------------- these restrictions.) You do not really need to be concerned about these columns; just know they exist. oid The object identifier (object ID) of a row. This column is only present if the table was created using variable was set at the time. This column is of type oid (same name as the column); see Section 8.19 for more information about the type. tableoid The OID of the table containing this row. This column is particularly

word ARRAY followed by a parenthesized (not bracketed) subquery. For example: SELECT ARRAY(SELECT oid FROM pg_proc WHERE proname LIKE 'bytea%'); array {2011,1954,1948,1952,1951,1244,1950,2005 ) You do not really need to be concerned about these columns; just know they exist. tableoid The OID of the table containing this row. This column is particularly handy for queries that select from inheritance it's difficult to tell which individual table a row came from. The tableoid can be joined against the oid column of pg_class to obtain the table name. xmin The identity (transaction ID) of the inserting

word ARRAY followed by a parenthesized (not bracketed) subquery. For example: SELECT ARRAY(SELECT oid FROM pg_proc WHERE proname LIKE 'bytea%'); array {2011,1954,1948,1952,1951,1244,1950,2005 restrictions.) You do not really need to be concerned about these columns; just know they exist. oid The object identifier (object ID) of a row. This column is only present if the table was created using variable was set at the time. This column is of type oid (same name as the column); see Section 8.19 for more information about the type. ## tableoid The OID of the table containing this row. This column is