X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/b54a5ea817d3d2087eaa07dcf98ec8a82af56d06..d533fffba8615a3e4d370ed1f7cdd810cdb4eee3:/doc/user/tutorials/tutorial-keep.html.textile.liquid diff --git a/doc/user/tutorials/tutorial-keep.html.textile.liquid b/doc/user/tutorials/tutorial-keep.html.textile.liquid index 01ef78ad12..e02082388f 100644 --- a/doc/user/tutorials/tutorial-keep.html.textile.liquid +++ b/doc/user/tutorials/tutorial-keep.html.textile.liquid @@ -23,47 +23,52 @@ h1. Putting Data into Keep We will start with downloading a freely available VCF file from the "Personal Genome Project (PGP)":http://www.personalgenomes.org subject "hu599905":https://my.personalgenomes.org/profile/hu599905 to a staging directory on the VM, and then add it to Keep. +In the following tutorials, replace you with your user id. + First, log into the Arvados VM instance and set up the staging area: -notextile.
$ mkdir /scratch/you
+notextile.
~$ mkdir /scratch/you
Next, download the file: -
$ mkdir /scratch/you
-$ cd /scratch/you
-$ curl -o var-GS000016015-ASM.tsv.bz2 'https://warehouse.personalgenomes.org/warehouse/f815ec01d5d2f11cb12874ab2ed50daa+234+K@ant/var-GS000016015-ASM.tsv.bz2'
+
~$ cd /scratch/you
+/scratch/you$ curl -o var-GS000016015-ASM.tsv.bz2 'https://warehouse.personalgenomes.org/warehouse/f815ec01d5d2f11cb12874ab2ed50daa+234+K@ant/var-GS000016015-ASM.tsv.bz2'
   % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                  Dload  Upload   Total   Spent    Left  Speed
 100  216M  100  216M    0     0  10.0M      0  0:00:21  0:00:21 --:--:-- 9361k
 
-Alternately, if you have your own data, for example @MyData.vcf@, you can use @scp@ or @rsync@ to copy from your local workstation to the shell VM (run this on your local workstation): +{% include 'notebox_begin' %} + +If you have your own data, for example @MyData.vcf@, you can use @scp@ or @rsync@ to copy from your local workstation to the shell VM (run this on your local workstation): + +notextile.
~$ scp MyData.vcf you@shell.arvados:/scratch/you/MyData.vcf
-notextile.
$ scp MyData.vcf you@shell.arvados:/scratch/you/MyData.vcf
+{% include 'notebox_end' %} -Now use @arv keep put@ to add your VCF data to Keep: +Now use @arv keep put@ to add your VCF data to Keep, then delete the local copy of the file: -
$ cd /scratch/you
-$ arv keep put var-GS000016015-ASM.tsv.bz2
+
/scratch/you$ arv keep put var-GS000016015-ASM.tsv.bz2
 c1bad4b39ca5a924e481008009d94e32+210
+/scratch/you$ rm var-GS000016015-ASM.tsv.bz2
 
-The output value @c1bad4b39ca5a924e481008009d94e32+210@ is the Keep locator. This enables you to access the file you just uploaded, and is explained in the next section. +The output value @c1bad4b39ca5a924e481008009d94e32+210@ from @arv keep put@ is the Keep locator. This enables you to access the file you just uploaded, and is explained in the next section. h2. Putting a directory You can also use @arv keep put@ to add an entire directory: -
$ mkdir tmp
-$ echo "hello alice" > tmp/alice.txt
-$ echo "hello bob" > tmp/bob.txt
-$ echo "hello carol" > tmp/carol.txt
-$ arv keep put tmp
+
/scratch/you$ mkdir tmp
+/scratch/you$ echo "hello alice" > tmp/alice.txt
+/scratch/you$ echo "hello bob" > tmp/bob.txt
+/scratch/you$ echo "hello carol" > tmp/carol.txt
+/scratch/you$ arv keep put tmp
 0M / 0M 100.0% 
 887cd41e9c613463eab2f0d885c6dd96+83
 
@@ -78,23 +83,23 @@ In order to reassemble the file, Keep stores a *collection* data block which lis In this example we will use @c1bad4b39ca5a924e481008009d94e32+210@ which we added to keep in the previous section. First let us examine the contents of this collection using @arv keep get@: -
$ arv keep get c1bad4b39ca5a924e481008009d94e32+210
+
/scratch/you$ arv keep get c1bad4b39ca5a924e481008009d94e32+210
 . 204e43b8a1185621ca55a94839582e6f+67108864 b9677abbac956bd3e86b1deb28dfac03+67108864 fc15aff2a762b13f521baf042140acec+67108864 323d2a3ce20370c4ca1d3462a344f8fd+25885655 0:227212247:var-GS000016015-ASM.tsv.bz2
 
-@arv keep get@ fetches the contents of the locator @c1bad4b39ca5a924e481008009d94e32+210@. This is a locator for a collection data block, so it fetches the contents of the collection. In this example, this collection consists of a single file @var-GS000016015-ASM.tsv.bz2@ which is 227212247 bytes long, and is stored using four sequential data blocks, 204e43b8a1185621ca55a94839582e6f+67108864, b9677abbac956bd3e86b1deb28dfac03+67108864, fc15aff2a762b13f521baf042140acec+67108864, 323d2a3ce20370c4ca1d3462a344f8fd+25885655. +The command @arv keep get@ fetches the contents of the locator @c1bad4b39ca5a924e481008009d94e32+210@. This is a locator for a collection data block, so it fetches the contents of the collection. In this example, this collection consists of a single file @var-GS000016015-ASM.tsv.bz2@ which is 227212247 bytes long, and is stored using four sequential data blocks, 204e43b8a1185621ca55a94839582e6f+67108864, b9677abbac956bd3e86b1deb28dfac03+67108864, fc15aff2a762b13f521baf042140acec+67108864, 323d2a3ce20370c4ca1d3462a344f8fd+25885655. Let's use @arv keep get@ to download the first datablock: -notextile.
$ arv keep get 204e43b8a1185621ca55a94839582e6f+67108864 > block1
+notextile.
/scratch/you$ arv keep get 204e43b8a1185621ca55a94839582e6f+67108864 > block1
Let's look at the size and compute the md5 hash of @block1@: -
$ ls -l block1
+
/scratch/you$ ls -l block1
 -rw-r--r-- 1 you group 67108864 Dec  9 20:14 block1
-$ md5sum block1
+/scratch/you$ md5sum block1
 204e43b8a1185621ca55a94839582e6f  block1
 
@@ -105,12 +110,14 @@ Notice that the block identifer 204e43b8a1185621ca55a94839582e6f+67108864< Next, let's use @arv keep get@ to download and reassemble @var-GS000016015-ASM.tsv.bz2@ using the following command: -notextile.
$ arv keep get c1bad4b39ca5a924e481008009d94e32+210/var-GS000016015-ASM.tsv.bz2 .
+ +
/scratch/you$ arv keep get c1bad4b39ca5a924e481008009d94e32+210/var-GS000016015-ASM.tsv.bz2 .
+
This downloads the file @var-GS000016015-ASM.tsv.bz2@ described by collection @c1bad4b39ca5a924e481008009d94e32+210@ from Keep and places it into the local directory. Now that we have the file, we can compute the md5 hash of the complete file: -
$ md5sum var-GS000016015-ASM.tsv.bz2
+
/scratch/you$ md5sum var-GS000016015-ASM.tsv.bz2
 44b8ae3fde7a8a88d2f7ebd237625b4f  var-GS000016015-ASM.tsv.bz2
 
@@ -120,9 +127,9 @@ h2. Accessing Collections There are a couple of other ways to access a collection. You may view the contents of a collection using @arv keep ls@: -
$ arv keep ls c1bad4b39ca5a924e481008009d94e32+210
+
/scratch/you$ arv keep ls c1bad4b39ca5a924e481008009d94e32+210
 var-GS000016015-ASM.tsv.bz2
-$ arv keep ls -s c1bad4b39ca5a924e481008009d94e32+210
+/scratch/you$ arv keep ls -s c1bad4b39ca5a924e481008009d94e32+210
 221887 var-GS000016015-ASM.tsv.bz2