I understand, thank you very much. There is a hbase call timeout problem. I will set a slightly larger value.
On 10/16/2017 21:19,ShaoFeng Shi<shaofeng...@apache.org> wrote: Hi Zhongqiang, Setting a big timeout is not recommended; It will hide the problem and slowdown Kylin overall performance when HBase is unhealthy or the network is slow. 2017-10-16 20:32 GMT+08:00 姚中强 <alex...@163.com>: > Hi, I use the kylin2.1. When I start the kylin, I encountered hbase rpc > timeout error, so that kylin can't get metadata and build cube. > I try to configure the parameter in hbase-site.xml, such as > hbase.client.scanner.timeout.period and hbase.rpc.timeout, but it didn't > work. > Finally, I found that kylin has configured with fixed parameters in > HBaseResourceStore, as follows. I want to know why you do that? Thanks! > > > private StorageURL buildMetadataUrl(KylinConfig kylinConfig) throws > IOException { > StorageURL url = kylinConfig.getMetadataUrl(); > if (!url.getScheme().equals("hbase")) > throw new IOException("Cannot create HBaseResourceStore. Url not match. > Url: " + url); > > // control timeout for prompt error report > Map<String, String> newParams = new LinkedHashMap<>(); > newParams.put("hbase.client.scanner.timeout.period", "10000"); > newParams.put("hbase.rpc.timeout", "5000"); > newParams.put("hbase.client.retries.number", "3"); > newParams.putAll(url.getAllParameters()); > > return url.copy(newParams); > } > > > > > > -- Best regards, Shaofeng Shi 史少锋