Stats command
Traversing memcached Cache Objects (C #) reproduced in the Grass church
For performance reasons, memcached does not provide traversal functionality, but we can get all of the cached objects through the following two stats commands.
1, stats items
Displays the number of item in each slab.
2, stats cached
there is a direct correspondence between the v$ view in the SGA and the corresponding Statspack table, for example:
V$sysstat--------->stats$sysstat
Sql> DESC V$sysstat
Name Null? Type
----------------------------------------- -------- ----------------------------
statistic# number
NAME VARCHAR2 (64)
CLASS number
VALUE number
Sql> DESC Stats$sysstat
Name Null? Type
------------------------
/cacti/scripts/ss_get_mysql_ stats.php./usr/share/cacti/scripts/ss_get_rds_stats.pyNow as long as MySQL's two files:Ss_get_mysql_stats.phpcacti_host_template_percona_mysql_server_ht_0.8.6i-sver1.1.4.xmlCopy the ss_get_mysql_stats.php to the cacti directory:CP./usr/share/cacti/scripts/ss_get_mysql_stats.php/var/www/html/cacti/scripts/Edit the file to verify that the user name and password are correct:vi/var/www/html/cacti/scripts/ss_get_mysql_stats.php$mysql _user = ' cacti '; $mysql _pass = ' ca
1. Modify the configuration file/etc/zabbix/zabbix_agentd.conf on the client #为了方便这里是用yum安装的zabbixTwo places to change:
(1) Unsafeuserparameters=1
(2) userparameter=my.net.if[*],/usr/local/sbin/zabbix/net.sh $ #其中UserParameter用来自定义键值, the name can be customized, if you write a script with parameters, Then you need to add [*], this is a fixed notation, if the script does not have any parameters, then directly userparameter=my.net.if=my.net.if. The comma is followed by the path of the
Document directory
Windows Installation
Linux Installation
Install memcached
Start memcached
Stop memcached (locate the process and kill the process)
1. Add
2. Delete
1. Get
2. Gets
3. CAS
1. Stats
2. Stats items
3. Stats cachedump slab_id limit_num
4. other stats commands
1. append
2. prepend
3. f
normal account for human operation, the other is a smart account, the other is the current ETH money in the normal account, and the smart account stores two things: status and code, whenever the corresponding message is received, The code is executed to change its state. These accounts are the so-called smart contract carriers. Simply put, the smart contract is the code deployed to the Ethereum smart account, which requires external messages to trigg
dpdk_device_t Field DescriptionLOCKP Send queue lock, when the number of send queue is less than the number of threads to the port to need to lock the packet, LOCKP is an array, each element corresponds to a send queue, that is, each send queue a lockDevice_index The index assigned to port, one per portVlib_hw_if_index Index of the HW structure corresponding to the portVlib_sw_if_index Index of the SW structure corresponding to the portPer_interface_next_index The index of the next node se
LRO works, you need to understand the load storage methods of the sk_buff struct. In the kernel, sk_buff can be used to save the actual load in three ways:
1. data is stored in the SKB-> data-directed memory buffer applied by kmalloc. This data zone is usually called a linear data zone. The data zone length is given by the function skb_headlen.
2. data is stored in the Memory Page indicated by frags, a member of the shared struct skb_shared_info at the end of the SKB linear data zone. The numbe
administration SubnetPass in on eth0 proto TCP from 10.42.42.0/24 port> 1024 to 192.168.1.1 Port = 3389Pass out on eth0 proto TCP from 192.168.1.1 Port = 3389 to 10.42.42.0/24 port> 1024 established
-------------Filter rule reference:-------------
A filter rule consists of global-option and normal-rule.
Syntax of Global Options:"Option" global_option iface
Currently, only "small_frags" is supported for global-option ".
Syntax of common rules:Action [in-out] iface [proto_spec] IP [proto-options]
Model-m:nat model-W: Weight2. Modification:-E3. Delete:-D ipvsadm-d-t|u|f service-address-r server-address3. Managing view of Cluster services1.ipvsadm-l|l [Options]OPTIONS:-N: Digital format display--stats Statistical information--rate: Statistical rate--timeout: Shows the session timeout length for TCP, Tcpinfo, and UDP-C: Number of connection clients4. Situation counter: ipvsadm-z [-t|u|f service-address] 5. Situation rule: Ipvsadm–c 6. Save the r
Delete the corresponding data in the stats $ snapshot data table. The data in other tables will be deleted horizontally:
SQL> select max (snap_id) from stats $ snapshot;MAX (SNAP_ID)------------166SQL> delete from stats $ snapshot where snap_id 143 rows deleted
You can change the snap_id range to retain the data you need.
During the above deleti
Else Run_value
End
From
@ Fillfactor
Select Db_name () As Dbname, Quotename (S. Name) As Cchemaname, Quotename (O. Name) As Tablename,I. Name As Indexname,Stats. index_type_desc As Indextype,Stats. page_count As [ Pagecount ] ,Stats. partition_number As Partitionnumber, Case When I. fill_factor > 0 Then I. fill_factor Else @ Defafilfillfactor
Huawei EPON Configuration Instance 1 , public sector and broadband PPPOE Part Use the serial user name password root/mduadminMa5620e>enableMa5620e#configma5620e (config) #ma5620e (config) #sysname Bigcow/ give the device a name /**** before the Public Ministry First, build VLANs and addresses bigcow (config) #vlan built ONU the management vlan/bigcow (config) #vlan 3001 to 3016/ this ONU is used PPPoE vlan/bigcow (config) #port VLAN 0/0 1/ Allow upstream vlan/bigcow (config) #port vlan 3001
ncols = 3. the Function creates five rows (default) the multiplication table of the three columns (provided values.Function: return data
When using this method, what people want most is not always a multiplication table. You may want to complete a calculation and return the calculation result value to the calling code. To achieve these two goals, you need to call the call methods (subroutines) and return values (functions) that do not return any data respectively ). However, in Python, you do n
Question: I want to understand when to export and import by dbms_stats statistics and learn when it is a good idea to export and import statistics.
Answer: importing and exporting statistics for the CBO and the systems stats (external system statistics for CPU, I/O. etc) and useful in a variety of areas:
Export production into test to make test systems "look like" large systems for execution plan generation ".
Export/imports can be used to control
At first, in the Internet to find a lot of template reference documents, are not suitable for their own environment, their own groping to find out, finally made.Thank you very much for the 51 technology "YANGZHIMINGG" provided by the monitoring template, suitable for yourself.First, to "http://down.51cto.com/data/382105" Download the template, download the decompression, the "ss_get_mysql_stats.php" script to upload to the server "/usr/share/cacti/site /"belowsudo cp/tmp/ss_get_mysql_stats.php/u
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