On Thu, Jan 28, 2021 at 07:29:44PM +0800, Wu Zhende wrote:

Singleton pattern will only generate an instance. The Redis pool needs to be initialized only once and the connection is obtained from the pool.

how did you find it from scheduler log: error writing to socket ? Thanks, Shenwei

Signed-off-by: Wu Zhende <wuzhende666@163.com> --- src/scheduler/redis_client.cr | 5 +++++ 1 file changed, 5 insertions(+)

diff --git a/src/scheduler/redis_client.cr b/src/scheduler/redis_client.cr index 1253108..a8d9dcb 100644 --- a/src/scheduler/redis_client.cr +++ b/src/scheduler/redis_client.cr @@ -6,12 +6,17 @@ require "redis"

require "./constants" require "../lib/job" +require "singleton"

class Redis::Client class_property :client HOST = (ENV.has_key?("REDIS_HOST") ? ENV["REDIS_HOST"] : JOB_REDIS_HOST) PORT = (ENV.has_key?("REDIS_PORT") ? ENV["REDIS_PORT"] : JOB_REDIS_PORT).to_i32

+ def self.instance + Singleton::Of(self).instance + end + def initialize(host = HOST, port = PORT) @client = Redis::PooledClient.new(host: host, port: port, pool_size: 25, pool_timeout: 0.01) end -- 2.23.0