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StorageProxy.java: Add view write metrics

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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
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@ -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