015 es并发控制
2020-03-29 本文已影响0人
zhu733756
# 并发控制，es中没有行锁，所以用的是乐观锁机制，也就是通过version增加来控制，
# 可以尝试用if_seq_no=0&if_primary_term=1来检测版本冲突
DELETE blogs
PUT /blogs/_doc/1
{
"title": "Quick brown rabbits",
"body": "Brown rabbits are commonly seen."
}
PUT /blogs/_doc/1?if_seq_no=2&if_primary_term=1
{
"title": "Quick brown rabbits",
"body": "Brown rabbits are commonly seen."
}
PUT /blogs/_doc/1
{
"title": "Keeping pets healthy",
"body": "My quick brown fox eats rabbits on a regular basis."
}
PUT /blogs/_doc/1?version=30000&version_type=external
{
"title": "Keeping pets healthy",
"body": "My quick brown fox eats rabbits on a regular basis."
}
