Dear all,

I have doubt regarding the storage structure for Innodb files :

Our database server has the following paths :

/dev/sda5              69G   35G   32G    52% /hdd1-1
/dev/sdb1             274G  225G   36G  87% /hdd2-1
/dev/sdc5             274G  225G   36G  87% /hdd3-1
/dev/sdd5             274G  218G   43G  84% /hdd4-1
/dev/sde1             266G  184G   69G  73% /hdd5-1

Is it better to have innodb_file_per_table on. or innodb_data_file_path = /hdd2-1/innodb_data1/ibdata1:8G;/hdd3-1/innodb_data1/ibdata2:8G;/hdd4-1/innodb_data1/ibdata3:8G;/hdd2-1/innodb_data1/ibdata4:8G;/hdd3-1/innodb_data1/ibdata5:8G;/hdd4-1/innodb_data1/ibdata6:8G;/hdd2-1/innodb_data1/ibdata7:8G;/hdd3-1/innodb_data1/ibdata8:8G;/hdd4-1/innodb_data1/ibdata9:8G;/hdd2-1/innodb_data1/ibdata10:8G;/hdd3-1/innodb_data1/ibdata11:8G;/hdd4-1/innodb_data1/ibdata12:8G;/hdd2-1/innodb_data2/ibdata13:8G;/hdd3-1/innodb_data2/ibdata14:8G;/hdd4-1/innodb_data2/ibdata15:8G;/hdd2-1/innodb_data2/ibdata16:8G;/hdd3-1/innodb_data2/ibdata17:8G;/hdd4-1/innodb_data2/ibdata18:8G;/hdd2-1/innodb_data2/ibdata19:8G;/hdd3-1/innodb_data2/ibdata20:8G;/hdd4-1/innodb_data2/ibdata21:8G;/hdd2-1/innodb_data2/ibdata22:8G;/hdd3-1/innodb_data2/ibdata23:8G;/hdd4-1/innodb_data2/ibdata24:8G;/hdd2-1/innodb_data3/ibdata25:8G;/hdd3-1/innodb_data3/ibdata26:8G;/hdd4-1/innodb_data3/ibdata27:8G;/hdd2-1/innodb_data3/ibdata28:8G;/hdd3-1/innodb_data3/ibdata29:8G;/hdd4-1/innodb_data3/ibdata30:8G;/hdd2-1/innodb_data3/ibdata31:8G;/hdd3-1/innodb_data3/ibdata32:8G;/hdd4-1/innodb_data3/ibdata33:8G;/hdd2-1/innodb_data3/ibdata34:8G;/hdd3-1/innodb_data3/ibdata35:8G;/hdd4-1/innodb_data3/ibdata36:8G;/hdd2-1/innodb_data4/ibdata37:8G;/hdd3-1/innodb_data4/ibdata38:8G;/hdd4-1/innodb_data4/ibdata39:8G;/hdd2-1/innodb_data4/ibdata40:8G;/hdd3-1/innodb_data4/ibdata41:8G;/hdd4-1/innodb_data4/ibdata42:8G;/hdd2-1/innodb_data4/ibdata43:8G;/hdd3-1/innodb_data4/ibdata44:8G;/hdd4-1/innodb_data4/ibdata45:8G;/hdd2-1/innodb_data4/ibdata46:8G;/hdd3-1/innodb_data4/ibdata47:8G;/hdd4-1/innodb_data4/ibdata48:8G;/hdd2-1/innodb_data5/ibdata49:8G;/hdd3-1/innodb_data5/ibdata50:8G;/hdd4-1/innodb_data5/ibdata51:8G;/hdd2-1/innodb_data5/ibdata52:8G;/hdd3-1/innodb_data5/ibdata53:8G;/hdd4-1/innodb_data5/ibdata54:8G;/hdd2-1/innodb_data5/ibdata55:8G;/hdd3-1/innodb_data5/ibdata56:8G;/hdd4-1/innodb_data5/ibdata57:8G;/hdd2-1/innodb_data5/ibdata58:8G;/hdd3-1/innodb_data5/ibdata59:8G;/hdd4-1/innodb_data5/ibdata60:8G;/hdd2-1/innodb_data6/ibdata61:8G;/hdd3-1/innodb_data6/ibdata62:8G;/hdd2-1/innodb_data6/ibdata63:8G;/hdd3-1/innodb_data6/ibdata64:8G;/hdd2-1/innodb_data6/ibdata65:8G;/hdd3-1/innodb_data6/ibdata66:8G;/hdd2-1/innodb_data6/ibdata67:8G;/hdd3-1/innodb_data6/ibdata68:8G;/hdd2-1/innodb_data7/ibdata69:8G;/hdd3-1/innodb_data7/ibdata70:8G;/hdd2-1/innodb_data7/ibdata71:8G;/hdd3-1/innodb_data7/ibdata72:8G;/hdd2-1/innodb_data7/ibdata73:8G;/hdd3-1/innodb_data7/ibdata74:8G;/hdd2-1/innodb_data7/ibdata75:8G;/hdd3-1/innodb_data7/ibdata76:8G;/hdd4-1/innodb_data6/ibdata77:8G;/hdd4-1/innodb_data6/ibdata78:8G;/hdd4-1/innodb_data6/ibdata79:8G;/hdd4-1/innodb_data6/ibdata80:8G;/hdd4-1/innodb_data7/ibdata81:8G;/hdd5-1/innodb_data1/ibdata82:8G;/hdd5-1/innodb_data1/ibdata83:8G;/hdd5-1/innodb_data1/ibdata84:8G;/hdd5-1/innodb_data1/ibdata85:8G;/hdd5-1/innodb_data2/ibdata86:8G;/hdd5-1/innodb_data2/ibdata87:8G;/hdd5-1/innodb_data2/ibdata88:8G;/hdd5-1/innodb_data2/ibdata89:8G;/hdd5-1/innodb_data3/ibdata90:8G;/hdd5-1/innodb_data3/ibdata91:8G;/hdd5-1/innodb_data3/ibdata92:8G;/hdd5-1/innodb_data3/ibdata93:8G;/hdd5-1/innodb_data4/ibdata94:8G;/hdd5-1/innodb_data4/ibdata95:8G;/hdd5-1/innodb_data4/ibdata96:8G;/hdd5-1/innodb_data4/ibdata97:8G;/hdd5-1/innodb_data5/ibdata98:8G;/hdd5-1/innodb_data5/ibdata99:8G;/hdd5-1/innodb_data5/ibdata100:8G;/hdd5-1/innodb_data5/ibdata101:8G:autoextend

which is currently set because to increase performance to read from separate small files instead of reading from one large one because one table is expected to grow more than 300 GB & some tables are near about 60-80 GB & increasing day by day.

                 or

Make sure the disk /hdd2-1/innodb_data1 is big enough
/hdd2-1/innodb_data1 is going to need be a large RAID10 set




MyISAM tables get stored in one /hdd1-1 directory.
Tables size grows day by day . Infact, one InnoDBtable is increasing 3GB/per day .

What is the best configuration for them so that we doesn't hit performance issues.



Thanks & best Regards,

Adarsh Sharma


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