Universal Logging System

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===== Examples of the Hierarchical Data Structure =====

Here are some possible usages of values embedded in the hierarchical data structures in ULS. 

==== IT Project ====

Several servers are placed in a network segment, the ULS-client for Unix 
is used to gather all relevant performance values ("Memory Swap", "System Load") 
and entries in the /var/log/messages (Logfileadapter). Although this 
is only a subset of the ULS-client for Unix's features:

<code>
IT Project
  │
  ├──►server02
  │   │
  │   └──►System
  │         │
  │         ├──►Logfileadapter  |time stamp         |             Log                                                  |
  │         │                   |-------------------|------------------------------------------------------------------|
  │         │                   |2012-09-14 07:42:13| sshd[31116] pam_krb5[31116]: authentication succeeds for 'user5' |
  │         │                   |-------------------|------------------------------------------------------------------|
  │         │                   |2012-09-14 01:54:06| Firewall rules successfully set                                  |
  │         │                   |-------------------|------------------------------------------------------------------|
  │         │                   |2012-09-14 00:03:53| syslog-ng[3556] STATS: dropped 0                                 |
  │         │                   |-------------------|------------------------------------------------------------------|
  │         │                   ...
  │         │
  │         ├──►Memory Swap  |time stamp         |Mem total|Mem used|Mem free|Swap total|Swap used|Swap free|
  │         │                |                   |    MByte|   MByte|   MByte|     MByte|    MByte|    MByte|
  │         │                |-------------------|---------|--------|--------|----------|---------|---------|
  │         │                |2012-09-14 08:45:00|     7984|    1623|    6361|      4102|       17|     4085|
  │         │                |-------------------|---------|--------|--------|----------|---------|---------|
  │         │                |2012-09-14 08:30:00|     7984|    1622|    6361|      4102|       17|     4085|
  │         │                |-------------------|---------|--------|--------|----------|---------|---------|
  │         │                |2012-09-14 08:15:00|     7984|    1623|    6361|      4102|       17|     4085|
  │         │                |-------------------|---------|--------|--------|----------|---------|---------|
  │         │                ...
  │         │
  │         │
  │         ├──►System Load  |time stamp         | %idle| %usr| %sys| %nice| %iowait|
  │         │                |                   |  %   |  %  |  %  |   %  |     %  |
  │                          |-------------------|------|-----|-----|------|--------|
  │                          |2012-09-14 08:40:00| 97.92| 0.02| 0.14|  1.59|    0.20|
  │                          |-------------------|------|-----|-----|------|--------|
  │                          |2012-09-14 08:35:00| 97.20| 0.04| 0.25|  2.19|    0.22|
  │                          |-------------------|------|-----|-----|------|--------|
  │                          |2012-09-14 08:30:00| 97.70| 0.03| 0.22|  1.71|    0.23|
  │                          |-------------------|------|-----|-----|------|--------|
  │                          ...
  │
  └──►server03
      │
      └──►System
            │
            ├──►Logfileadapter  |time stamp         |              Log                                                  |
            │                   |-------------------|-------------------------------------------------------------------|
            │                   |2012-09-14 03:25:05| kernel device-mapper: table: 253:3: mirror: Device lookup failure |
            │                   |                   | kernel device-mapper: ioctl: error adding target to table         |
            │                   |-------------------|-------------------------------------------------------------------|
            │                   |2012-09-14 00:30:11| syslog-ng[3780] STATS: dropped 0                                  |
            │                   |-------------------|-------------------------------------------------------------------|
            │                   ...
            │
            ├──►Memory Swap  |time stamp         |Mem total|Mem used|Mem free|Swap total|Swap used|Swap free|
            │                |                   |    MByte|   MByte|   MByte|     MByte|    MByte|    MByte|
            │                |-------------------|---------|--------|--------|----------|---------|---------|
            │                |2012-09-14 09:15:00|    64423|   53232|   11190|      8189|        1|     8188|
            │                |-------------------|---------|--------|--------|----------|---------|---------|
            │                |2012-09-14 09:00:00|    64423|   53228|   11194|      8189|        1|     8188|
            │                |-------------------|---------|--------|--------|----------|---------|---------|
            │                |2012-09-14 08:45:00|    64423|   53228|   11194|      8189|        1|     8188|
            │                |-------------------|---------|--------|--------|----------|---------|---------|
            │                ...
            │
            │
            ├──►System Load  |time stamp         | %idle|  %usr| %sys| %nice| %iowait|
            │                |                   |  %   |   %  |  %  |   %  |     %  |
                             |-------------------|------|------|-----|------|--------|
                             |2012-09-14 09:20:00| 80.87| 13.91| 0.34|  0.00|    4.78|
                             |-------------------|------|------|-----|------|--------|
                             |2012-09-14 09:15:00| 83.73| 11.11| 0.33|  0.00|    4.72|
                             |-------------------|------|------|-----|------|--------|
                             |2012-09-14 09:10:00| 89.50|  4.08| 0.34|  0.00|    5.94|
                             |-------------------|------|------|-----|------|--------|
                             ...
</code>

==== Car Park ====

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==== Marathon ====

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