Thread pools on the JVM should usually be divided into the following three categories:
- CPU-bound
- Blocking IO
- Non-blocking IO polling
Each of these categories has a different optimal configuration and usage pattern.
| // Copyright (c) 2017 Ismael Celis | |
| // Permission is hereby granted, free of charge, to any person obtaining a copy | |
| // of this software and associated documentation files (the "Software"), to deal | |
| // in the Software without restriction, including without limitation the rights | |
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |
| // copies of the Software, and to permit persons to whom the Software is | |
| // furnished to do so, subject to the following conditions: | |
| // The above copyright notice and this permission notice shall be included in all |
| /** | |
| * b-bit Minwise hashing の Java 実装です。 | |
| * <p> | |
| * 参考文献 : <a href="http://research.microsoft.com/pubs/120078/wfc0398-lips.pdf">b-Bit Minwise Hashing</a> | |
| * </p> | |
| * | |
| * @author KOMIYA Atsushi | |
| */ | |
| public class MinHash { | |
| private final int numBits; |
| -- show running queries (pre 9.2) | |
| SELECT procpid, age(clock_timestamp(), query_start), usename, current_query | |
| FROM pg_stat_activity | |
| WHERE current_query != '<IDLE>' AND current_query NOT ILIKE '%pg_stat_activity%' | |
| ORDER BY query_start desc; | |
| -- show running queries (9.2) | |
| SELECT pid, age(clock_timestamp(), query_start), usename, query | |
| FROM pg_stat_activity | |
| WHERE query != '<IDLE>' AND query NOT ILIKE '%pg_stat_activity%' |
As configured in my dotfiles.
start new:
tmux
start new with session name: