Can eBPF save us from the Data Deluge? A case for file filtering in eBPF Giulia Frascaria October 28, 2020 1 The data deluge on modern storage 2 Compute node CPU Network Storage node Flash

command to install babel-cli: npm install --save-dev babel-cli babel-preset Execute the following command to install babel-preset: npm install --save-dev babel-preset-env BabelJS 11 babel-core Execute the following command to install babel-core: npm install --save-dev babel-core After installation, here are the details available in package.json: We have installed babel-cli, babel-core, babel-preset-es2015. npm install babel-cli babel-core babel-preset-es2015 --save-dev Output Upon execution, the above command generates the following output: BabelJS

are available only if additional com- ponents are installed: • Pillow is required for Pixmap.pil_save() and Pixmap.pil_tobytes(). • fontTools is required for Document.subset_fonts(). • pymupdf-fonts CMYK: convert to RGB first pix = fitz.Pixmap(fitz.csRGB, pix) pix.save("page_%s-image_%s.png" % (page_index, image_index)) # save the image as␣ ˓→png pix = None Note: Taking it further There are fitz.open("b.pdf") # open the 2nd document doc_a.insert_pdf(doc_b) # merge the docs doc_a.save("a+b.pdf") # save the merged document with a new filename 5.5.1 Merging files with other types of file With

. . . . . . . . . . . . 321 14.5.7 Save . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 322 14.5.8 Save as . . . . . . . . . . . . . . . . . Manipulation Program 11 / 653 14.5.9 Save a Copy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324 14.5.10 Save as Template . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 343 14.7.16 Save to Channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

in a separate editor Create new [object] Opens an editor in which you can specify properties and save the new object Filter Opens a submenu of one or more filtering options (depending on the object): filtering criteria, you can save a filter to use for other objects. To save the filter, in the Saved filter area, in the field, enter the filter`s name and click . Name Save You can also remove any number in the field. Entries per page To set DBeaver to save the query log in a file, select the checkbox and then specify the file Save log to file(s) location in the field. Log files folder

everything possible Processing caches Used internally during data building Store frequently read values - save on IO & processing Output caches Store built data - Can copy rather than rebuild Local, Office, or compare function - wastes cpu - indirection is expensive Sorting is generally fast - but optimising can save a second or two Speaker notesORIGINAL NODE SORTING CODE struct Node; using NodePtr = std::shared_ptr; CPU usage for many minutes SpinLock data_save_lock; void Process(std::shared_ptr data) { data->Processing(); { SpinLockGuard guard(data_save_lock); data->SaveFile(); } } 1 2 3 4 5 6

in a separate editor Create new [object] Opens an editor in which you can specify properties and save the new object Opens a submenu of one or more filtering options (depending on the object): DBeaver filtering criteria, you can save a filter to use for other objects. To save the filter, in the Saved filter area, in the field, enter the filter`s name and click . Name Save You can also remove any of number in the field. Entries per page To set DBeaver to save the query log in a file, select the checkbox and then specify the file Save log to file(s) location in the field. Log files folder

in a separate editor Create new [object] Opens an editor in which you can specify properties and save the new object Opens a submenu of one or more filtering options (depending on the object): DBeaver filtering criteria, you can save a filter to use for other objects. To save the filter, in the Saved filter area, in the field, enter the filter`s name and click . Name Save You can also remove any of number in the field. Entries per page To set DBeaver to save the query log in a file, select the checkbox and then specify the file Save log to file(s) location in the field. Log files folder

in a separate editor Create new [object] Opens an editor in which you can specify properties and save the new object Filter Opens a submenu of one or more filtering options (depending on the object): filtering criteria, you can save a filter to use for other objects. To save the filter, in the Saved filter area, in the field, enter the filter`s name and click . Name Save You can also remove any DBeaver User Guide 23.3. Page 35 of 859. To set DBeaver to save the query log in a file, select the checkbox and then specify the file Save log to file(s) location in the field. Log files folder