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StorageProxy.java: Add view write metrics 

nodetool proxyhistograms command look for the view write metric.

While we do not report that metric yet, we still want the command to
succeed.

After this patch:
$ nodetool proxyhistograms
proxy histograms
Percentile       Read Latency      Write Latency      Range Latency   CAS Read Latency  CAS Write Latency View Write Latency
                     (micros)           (micros)           (micros)           (micros)           (micros)           (micros)
50%                    326.00             110.00             424.50               0.00               0.00               0.00
75%                   1253.00             193.25             877.75               0.00               0.00               0.00
95%                   2935.90            1007.25            5182.55               0.00               0.00               0.00
98%                   3100.00            1040.60            5492.00               0.00               0.00               0.00
99%                   3100.00            1058.00            5492.00               0.00               0.00               0.00
Min                     34.00               9.00              36.00               0.00               0.00               0.00
Max                   3100.00            1058.00            5492.00               0.00               0.00               0.00

See scylladb/scylla#4470

Signed-off-by: Amnon Heiman <amnon@scylladb.com>
Message-Id: <20190514063316.28040-1-amnon@scylladb.com>
This commit is contained in:
Amnon Heiman 2019-05-14 09:33:16 +03:00 committed by Nadav Har'El
parent c7bce65919
commit f0d2df3d15
1 changed files with 2 additions and 1 deletions
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3
src/main/java/org/apache/cassandra/service/StorageProxy.java
View File

@ -59,7 +59,8 @@ public class StorageProxy extends MetricsMBean implements StorageProxyMBean {
new ClientRequestMetrics("RangeSlice", "/storage_proxy/metrics/range"),
new ClientRequestMetrics("Write", "storage_proxy/metrics/write"),
new CASClientRequestMetrics("CASWrite", "storage_proxy/metrics/cas_write"),
new CASClientRequestMetrics("CASRead", "storage_proxy/metrics/cas_read"));
new CASClientRequestMetrics("CASRead", "storage_proxy/metrics/cas_read"),
new ClientRequestMetrics("ViewWrite", "storage_proxy/metrics/view_write"));
}
@Override