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Use longs in the rate limiter and handle negative adjustments. #2758
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hsaraogi
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@@ Coverage Diff @@
## feature/qos-service-api #2758 +/- ##
=============================================================
+ Coverage 60.12% 60.18% +0.06%
- Complexity 4131 4751 +620
=============================================================
Files 899 899
Lines 40968 40980 +12
Branches 4051 4053 +2
=============================================================
+ Hits 24630 24662 +32
+ Misses 14842 14827 -15
+ Partials 1496 1491 -5
Continue to review full report at Codecov.
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nziebart
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Dec 1, 2017
| } | ||
| } | ||
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| void returnPermitsConsumedEarlier(double permitsToReturn, long nowNanos) { |
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can we sync in person on how this works?
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this method should have a changelog
| @@ -235,11 +237,11 @@ public final void setRate(double permitsPerSecond) { | |||
| checkArgument( | |||
| permitsPerSecond > 0.0 && !Double.isNaN(permitsPerSecond), "rate must be positive"); | |||
| synchronized (mutex()) { | |||
| doSetRate(permitsPerSecond, stopwatch.readMicros()); | |||
| doSetRate(permitsPerSecond, stopwatch.readNanos()); | |||
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why the change from micros to nanos? it's generally nicer, but without a strong need we should prefer avoiding changes to this copied code
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If you have longs you might often need to wait via sleeping for just a few nanos, as sleeping in micros would be excessive.
nziebart
reviewed
Dec 1, 2017
| } else { | ||
| try { | ||
| rateLimiter.returnPermits(LongMath.checkedMultiply(adjustmentUnits, -1), stopwatch.readNanos()); | ||
| } catch (ArithmeticException e) { |
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can multiplying by -1 ever cause an issue?
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Yup, if its Long.MIN_VALUE, caught by a test. :D
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nit: move the safe multiply operation to its own method (e.g.safeAbs) so the try/catch isn't around the whole method call
nziebart
reviewed
Dec 1, 2017
| rateLimiter.steal(adjustmentUnits); | ||
| } else { | ||
| try { | ||
| rateLimiter.returnPermits(LongMath.checkedMultiply(adjustmentUnits, -1), stopwatch.readNanos()); |
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nit: let's name this return for consistency with the other method names
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return is a keyword. :P
nziebart
approved these changes
Dec 1, 2017
| } | ||
| } | ||
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| void returnPermitsConsumedEarlier(double permitsToReturn, long nowNanos) { |
There was a problem hiding this comment.
this method should have a changelog
| } else { | ||
| try { | ||
| rateLimiter.returnPermits(LongMath.checkedMultiply(adjustmentUnits, -1), stopwatch.readNanos()); | ||
| } catch (ArithmeticException e) { |
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nit: move the safe multiply operation to its own method (e.g.safeAbs) so the try/catch isn't around the whole method call
|
@hsaraogi i went ahead and addressed my own comments if you want to take a last look |
hsaraogi
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Dec 2, 2017
* Extremely basic QosServiceResource * Make resource an interface * Add client PathParam * Clean up javax.ws.rs dependencies * Create stub for AtlasDbQosClient * Calls to checkLimit use up a credit; throw when out of credits * Add QosServiceResourceImpl + test * AutoDelegate for Cassandra.Client * Rename QosService stuff * Pass AtlasDbQosClient to CassandraClient * Check limit on multiget_slice * Check limit on batch_mutate * Don't test we aren't soft-limited while we can never be soft-limited * Check limit on remaining CassandraClient methods * Scheduled refresh of AtlasDbQosClient.credits * Refresh every second Once we have configurable quotas on the QoS service, they will be more understandable (per second rather than per-10-seconds). * Mount qos-service on Timelock * Checkstyle * Update dependency locks * Dont throw limitExceededException * Move client param around * Comment * Qos Service config (#2644) * Service config * Allow clients to run without configuring limits * simpler tests * [QoS] qos ete test (#2652) * checkpoint * checkpoint * working test * check passing * unused deps * [QoS] rate limiter (#2653) * rate limiting * update license and docs * [QoS] Feature/qos client (#2650) * Create one qosCLient for each service QosClientBuilder hooked up to KVS create Create the QosClient in CassandraClientPoolImpl if the config is specified. Create FakeQosClient if the config is not specified Cleanup get broken tests to pass * Locks * Fix failing tests * Add getNamespace [no release notes] * Create QosClient at the Top level * fix test * test and checkstyle fixes * locks * deps * fix tests * [QoS] Feature/qos meters (#2640) * Metrics for bytes and counts in each read/write * Refactors, dont throw if recordMetrics throws * Use meters instead of histograms * Multiget bytes * Batch mutate exact size * Cqlresult size * Calculate exact byte sizes for all thrift objects * tests and bugfixes - partial * More tests and bugs fixed * More tests and cr comments * byte buffer size * Remove register histogram * checkstyle * checkstyle * locks and license * [QoS] QosClient with ratelimiter (#2667) * QosClient with ratelimiter * Checkstyle * locks * [QoS] Create a jaxrs-client for the integ tests (#2675) * Create a jaxrs-client for the integ tests * build fix * clean up * Nziebart/merge develop into qos (#2683) * Fix SweepBatchConfig values to properly decrease to 1 with each failure and increase with each success (#2630) * Fix SweepBatchConfig values to properly decrease to 1 with each failure and increase with each success * add logging when we stop reducing the batch size multiplier * further improve the tests * Allow sweep to recover faster after backing off. Before we would increase by 1% for each successive success, if we had reduced a value to 1 it would be 70 iterations before we got 2 and 700 iterations before we got back to 1000. Now we always 25 iterations with the lower batch size and then try increasing the rate by doubling each time. This means that when sweep has to back off it should speed up again quickly. * Use an AtomicInteger to handle concurrent updates * SweeperService logging improvements (#2618) * SweeperServiceImpl now logs when it starts sweeping make it clear if it is running full sweep or not * Added sweep parameters to the log lines * no longer default the service parameter in the interface, this way we can see when the parameter isn't provided and we are defaulting to true. Behaviour is unchanged but we can log a message when defaulting. * Refactor TracingKVS (#2643) * Wrap next() and hasNext() in traces * Use span names as safe * Remove iterator wrappings * checkstyle * refactor methods and remove misleading traces * Fix unit tests * release notes * Final nits * fix java arrays usage * Delete docs (#2657) * [20 minute tasks] Add test for when a batch is full (#2655) * [no release notes] Drive-by add test for when a batch is full * MetricRegistry log level downgrade + multiple timestamp tracker tests (#2636) * change metrics manager to warn plus log the metric name * more timestamp tracker tests * release notes * Extract interface for Cassandra client (#2660) * Create a CassandraClient * Propagate CassandraClient to all classes but CKVS * Use CassandraClient on CKVS * Propagate CassandraClient to remaining Impl classes * Use CassandraClient in tests * [no release notes] * client -> namespace [no release notes] (#2654) * 0.65.2 and 0.66.0 release notes (#2663) * Release notes banners * fix pr numbers * [QoS] Add getNamespace to AtlasDBConfig (#2661) * Add getNamespace [no release notes] * Timelock client config cannot be empty * Make it explicit that unspecified namespace is only possible for InMemoryKVS * CR comments * Live Reloading the TimeLock Block, Part 1: Pull to Push (#2621) * thoughts * More tests for RIH * Paranoid logging * statics * javadoc part 1 * polling refreshable * Unit tests * Remove the old RIH * lock lock * Tests that test how we deal with exceptions * logging * [no release notes] * CR comments part 1 * Make interval configurable * Standard nasty time edge cases * lastSeenValue does not need to be volatile * Live Reloading the TimeLock Block, Part 2: TransactionManagers Plumbing (#2622) * ServiceCreator.applyDynamic() * Propagate config through TMs * Json Serialization fixes * Some refactoring * lock/lock * Fixed checkstyle * CR comments part 1 * Switch to RPIH * add test * [no release notes] forthcoming in part 4 * checkstyle * [TTT] [no release notes] Document behaviour regarding index rows (#2658) * [no release notes] Document behaviour regarding index rows * fix compile bug * ``List`` * Refactor and Instrument CassandraClient api (#2665) * Sanitize Client API * Instrument CassandraClient * checkstyle * Address comment * [no release notes] * checkstyle * Fix cas * Live Reloading the TimeLock Block, Part 3: Working with 0 Nodes (#2647) * 0 nodes part 1 * add support for 0 servers in a ServerListConfig * extend deserialization tests * More tests * code defensively * [no release notes] defer to 2648 * Fixed CR nits * singleton server list * check immutable ts (#2406) * check immutable ts * checkstyle * release notes * Fix TM creation * checkstyle * Propagate top-level KVS method names to CassandraClient (#2669) * Propagate method names down to multiget_slice * Add the corresponding KVS method to remaining methods * Add TODO * [no release notes] * nit * Extract cql executor interface (#2670) * Instrument CqlExecutor * [no release notes] * bump awaitility (#2668) * Upgrade to newer Awaitility. * locks [no release notes] * unused import * Bump Atlas on Tritium 0.8.4 to fix dependency conflicts (#2662) * Bump Atlas on Tritium 0.8.4 to fix dependency conflicts * Add changes into missing file * Doc changes * Exclude Tracing and HdrHistogram from Tritium dependencies * update locks * Add excluded dependencies explicitly * Fix merge conflict in relase notes * Uncomment dependencies * Regenerate locks * Correctly log Paxos events (#2674) * Log out Paxos values when recording Paxos events * Updated release notes * Checkstyle * Pull request number * Address comments * fix docs * Slow log and tracing (#2673) * Trace and instrument the thrift client * Instrument CqlExecutor * Fix metric names of IntrumentedCassandraClient * Fix nit * Also log internal table references * Checkstyle * simplify metric names * Address comments * add slow logging to the cassandra thrift client * add slow logging to cqlExecutor * fix typos * Add tracing to the CassandraClient * trace cqlExecutor queries * Add slow-logging in the CassandraClient * Delete InstrumentedCC and InstrumentedCqlExec * Fix small nits * Checkstyle * Add kvs method names to slow logs * Fix wrapping of exception * Extract CqlQuery * Move kvs-slow-log and tracing of CqlExecutor to CCI * Propagate execute_cql3_query api breaks * checkstyle * delete unused string * checkstyle * fix number of mutations on batch_mutate * some refactors * fix compile * Refactor cassandra client (#2676) * Extract TracingCassandraClient Extract ProfilingCassandraClient Move todos and some cleanup Cherry-pick QoS metrics to develop (#2679) * [QoS] Feature/qos meters (#2640) * Metrics for bytes and counts in each read/write * Refactors, dont throw if recordMetrics throws * Use meters instead of histograms * Multiget bytes * Batch mutate exact size * Cqlresult size * Calculate exact byte sizes for all thrift objects * tests and bugfixes - partial * More tests and bugs fixed * More tests and cr comments * byte buffer size * Remove register histogram * checkstyle * checkstyle * locks and license * Qos metrics CassandraClient * Exclude unused classes * fix cherry pick * use supplier for object size [no release notes] * fix merge in AtlasDbConfig * qos rate limiting (#2709) * rate limiting * [QoS] total time spent talking to Cassandra (#2687) * total-time * [QoS] Client config (#2690) * qos config * respect max backoff itme * [QoS] [Refactor] Query Weights (#2697) * query weights * extra tests * [QoS] Number of rows per query (#2698) * num rows * checkstyle * fix tests * no int casting * fix numRows calculation on batch_mutate * [QoS] CAS metrics (#2705) * cas metrics * exceptions (#2706) * [QoS] Guava license (#2703) * guava license * Cleanup: class reference * [QoS] live reload (#2710) * live reload and logging * millis * checkpoint * fix tests * comments * checkstyle * [QoS] Don't rate limit CAS (#2711) * dont limit cas * Remove tests of deleted method * Cherrypick/qos exception mapping (#2715) * very simple ratelimitexceededexception * Need to be able to throw RLEE directly from Cass, rather than ADDE(RLEE)s * fix bug with ADDE(RLEE) * Exception Mapper * unravel a bad javadoc * CR comments part 1 * lock lock * split qos aware throwables * visibility * fix compile break * checkstyle * handle exceptions properly * [QoS] Estimate the number of read bytes w/ number of rows (#2717) * Refactor the name of the functions * Estimate based on the number of rows * Fix modifiers on ThriftQueryWeighers * Add unit tests to estimation logic * ThriftQueryWeighers.multigetSlice takes a List, not number of rows * getRangeSlices takes KeyRange, not count * weight estimates (#2725) * [QoS] Fix exceptions thrown on CqlExecutor (#2696) * Address #2683 comments * Clarify query and add cause * Add just the cqlQuery.queryFormat * checkstyle * Update test We changed the error message... * [QoS] Qos ete test (#2708) * Fix SweepBatchConfig values to properly decrease to 1 with each failure and increase with each success (#2630) * Fix SweepBatchConfig values to properly decrease to 1 with each failure and increase with each success * add logging when we stop reducing the batch size multiplier * further improve the tests * Allow sweep to recover faster after backing off. Before we would increase by 1% for each successive success, if we had reduced a value to 1 it would be 70 iterations before we got 2 and 700 iterations before we got back to 1000. Now we always 25 iterations with the lower batch size and then try increasing the rate by doubling each time. This means that when sweep has to back off it should speed up again quickly. * Use an AtomicInteger to handle concurrent updates * SweeperService logging improvements (#2618) * SweeperServiceImpl now logs when it starts sweeping make it clear if it is running full sweep or not * Added sweep parameters to the log lines * no longer default the service parameter in the interface, this way we can see when the parameter isn't provided and we are defaulting to true. Behaviour is unchanged but we can log a message when defaulting. * Refactor TracingKVS (#2643) * Wrap next() and hasNext() in traces * Use span names as safe * Remove iterator wrappings * checkstyle * refactor methods and remove misleading traces * Fix unit tests * release notes * Final nits * fix java arrays usage * Delete docs (#2657) * [20 minute tasks] Add test for when a batch is full (#2655) * [no release notes] Drive-by add test for when a batch is full * MetricRegistry log level downgrade + multiple timestamp tracker tests (#2636) * change metrics manager to warn plus log the metric name * more timestamp tracker tests * release notes * Extract interface for Cassandra client (#2660) * Create a CassandraClient * Propagate CassandraClient to all classes but CKVS * Use CassandraClient on CKVS * Propagate CassandraClient to remaining Impl classes * Use CassandraClient in tests * [no release notes] * client -> namespace [no release notes] (#2654) * 0.65.2 and 0.66.0 release notes (#2663) * Release notes banners * fix pr numbers * [QoS] Add getNamespace to AtlasDBConfig (#2661) * Add getNamespace [no release notes] * Timelock client config cannot be empty * Make it explicit that unspecified namespace is only possible for InMemoryKVS * CR comments * Live Reloading the TimeLock Block, Part 1: Pull to Push (#2621) * thoughts * More tests for RIH * Paranoid logging * statics * javadoc part 1 * polling refreshable * Unit tests * Remove the old RIH * lock lock * Tests that test how we deal with exceptions * logging * [no release notes] * CR comments part 1 * Make interval configurable * Standard nasty time edge cases * lastSeenValue does not need to be volatile * Live Reloading the TimeLock Block, Part 2: TransactionManagers Plumbing (#2622) * ServiceCreator.applyDynamic() * Propagate config through TMs * Json Serialization fixes * Some refactoring * lock/lock * Fixed checkstyle * CR comments part 1 * Switch to RPIH * add test * [no release notes] forthcoming in part 4 * checkstyle * [TTT] [no release notes] Document behaviour regarding index rows (#2658) * [no release notes] Document behaviour regarding index rows * fix compile bug * ``List`` * Refactor and Instrument CassandraClient api (#2665) * Sanitize Client API * Instrument CassandraClient * checkstyle * Address comment * [no release notes] * checkstyle * Fix cas * Live Reloading the TimeLock Block, Part 3: Working with 0 Nodes (#2647) * 0 nodes part 1 * add support for 0 servers in a ServerListConfig * extend deserialization tests * More tests * code defensively * [no release notes] defer to 2648 * Fixed CR nits * singleton server list * check immutable ts (#2406) * check immutable ts * checkstyle * release notes * Fix TM creation * checkstyle * Propagate top-level KVS method names to CassandraClient (#2669) * Propagate method names down to multiget_slice * Add the corresponding KVS method to remaining methods * Add TODO * [no release notes] * nit * Extract cql executor interface (#2670) * Instrument CqlExecutor * [no release notes] * bump awaitility (#2668) * Upgrade to newer Awaitility. * locks [no release notes] * unused import * Bump Atlas on Tritium 0.8.4 to fix dependency conflicts (#2662) * Bump Atlas on Tritium 0.8.4 to fix dependency conflicts * Add changes into missing file * Doc changes * Exclude Tracing and HdrHistogram from Tritium dependencies * update locks * Add excluded dependencies explicitly * Fix merge conflict in relase notes * Uncomment dependencies * Regenerate locks * Correctly log Paxos events (#2674) * Log out Paxos values when recording Paxos events * Updated release notes * Checkstyle * Pull request number * Address comments * fix docs * Slow log and tracing (#2673) * Trace and instrument the thrift client * Instrument CqlExecutor * Fix metric names of IntrumentedCassandraClient * Fix nit * Also log internal table references * Checkstyle * simplify metric names * Address comments * add slow logging to the cassandra thrift client * add slow logging to cqlExecutor * fix typos * Add tracing to the CassandraClient * trace cqlExecutor queries * Add slow-logging in the CassandraClient * Delete InstrumentedCC and InstrumentedCqlExec * Fix small nits * Checkstyle * Add kvs method names to slow logs * Fix wrapping of exception * Extract CqlQuery * Move kvs-slow-log and tracing of CqlExecutor to CCI * Propagate execute_cql3_query api breaks * checkstyle * delete unused string * checkstyle * fix number of mutations on batch_mutate * some refactors * fix compile * Refactor cassandra client (#2676) * Extract TracingCassandraClient Extract ProfilingCassandraClient Move todos and some cleanup Cherry-pick QoS metrics to develop (#2679) * [QoS] Feature/qos meters (#2640) * Metrics for bytes and counts in each read/write * Refactors, dont throw if recordMetrics throws * Use meters instead of histograms * Multiget bytes * Batch mutate exact size * Cqlresult size * Calculate exact byte sizes for all thrift objects * tests and bugfixes - partial * More tests and bugs fixed * More tests and cr comments * byte buffer size * Remove register histogram * checkstyle * checkstyle * locks and license * Qos metrics CassandraClient * Exclude unused classes * fix cherry pick * use supplier for object size [no release notes] * fix merge in AtlasDbConfig * rate limiting * total-time * qos config * respect max backoff itme * query weights * extra tests * num rows * checkstyle * fix tests * no int casting * Qos ete tests * shouldFailIfWritingTooManyBytes * fix test * rm file * Remove metrics * Test shouldFailIfReadingTooManyBytes * canBeWritingLargeNumberOfBytesConcurrently * checkstyle * cannotWriteLargeNumberOfBytesConcurrently * fix tests * create tm in test * More read tests (after writing a lot of data at once) * WIP * Tests that should pas * Actually update the rate * Add another test * More tests and address comments * Dont extend etesetup * Make dumping data faster * cleanup * wip * Add back lost file * Cleanup * Write tests * numReadsPerThread -> numThreads * More write tests, cleanup, check style fixes * Refactor to avoid code duplication * Cleanup * cr comments * Small read/write after a rate-limited read/write * annoying no new linw at eof * Uniform parameters for hard limiting * [QoS] Fix/qos system table rate limiting (#2739) * Fix SweepBatchConfig values to properly decrease to 1 with each failure and increase with each success (#2630) * Fix SweepBatchConfig values to properly decrease to 1 with each failure and increase with each success * add logging when we stop reducing the batch size multiplier * further improve the tests * Allow sweep to recover faster after backing off. Before we would increase by 1% for each successive success, if we had reduced a value to 1 it would be 70 iterations before we got 2 and 700 iterations before we got back to 1000. Now we always 25 iterations with the lower batch size and then try increasing the rate by doubling each time. This means that when sweep has to back off it should speed up again quickly. * Use an AtomicInteger to handle concurrent updates * SweeperService logging improvements (#2618) * SweeperServiceImpl now logs when it starts sweeping make it clear if it is running full sweep or not * Added sweep parameters to the log lines * no longer default the service parameter in the interface, this way we can see when the parameter isn't provided and we are defaulting to true. Behaviour is unchanged but we can log a message when defaulting. * Refactor TracingKVS (#2643) * Wrap next() and hasNext() in traces * Use span names as safe * Remove iterator wrappings * checkstyle * refactor methods and remove misleading traces * Fix unit tests * release notes * Final nits * fix java arrays usage * Delete docs (#2657) * [20 minute tasks] Add test for when a batch is full (#2655) * [no release notes] Drive-by add test for when a batch is full * MetricRegistry log level downgrade + multiple timestamp tracker tests (#2636) * change metrics manager to warn plus log the metric name * more timestamp tracker tests * release notes * Extract interface for Cassandra client (#2660) * Create a CassandraClient * Propagate CassandraClient to all classes but CKVS * Use CassandraClient on CKVS * Propagate CassandraClient to remaining Impl classes * Use CassandraClient in tests * [no release notes] * client -> namespace [no release notes] (#2654) * 0.65.2 and 0.66.0 release notes (#2663) * Release notes banners * fix pr numbers * [QoS] Add getNamespace to AtlasDBConfig (#2661) * Add getNamespace [no release notes] * Timelock client config cannot be empty * Make it explicit that unspecified namespace is only possible for InMemoryKVS * CR comments * Live Reloading the TimeLock Block, Part 1: Pull to Push (#2621) * thoughts * More tests for RIH * Paranoid logging * statics * javadoc part 1 * polling refreshable * Unit tests * Remove the old RIH * lock lock * Tests that test how we deal with exceptions * logging * [no release notes] * CR comments part 1 * Make interval configurable * Standard nasty time edge cases * lastSeenValue does not need to be volatile * Live Reloading the TimeLock Block, Part 2: TransactionManagers Plumbing (#2622) * ServiceCreator.applyDynamic() * Propagate config through TMs * Json Serialization fixes * Some refactoring * lock/lock * Fixed checkstyle * CR comments part 1 * Switch to RPIH * add test * [no release notes] forthcoming in part 4 * checkstyle * [TTT] [no release notes] Document behaviour regarding index rows (#2658) * [no release notes] Document behaviour regarding index rows * fix compile bug * ``List`` * Refactor and Instrument CassandraClient api (#2665) * Sanitize Client API * Instrument CassandraClient * checkstyle * Address comment * [no release notes] * checkstyle * Fix cas * Live Reloading the TimeLock Block, Part 3: Working with 0 Nodes (#2647) * 0 nodes part 1 * add support for 0 servers in a ServerListConfig * extend deserialization tests * More tests * code defensively * [no release notes] defer to 2648 * Fixed CR nits * singleton server list * check immutable ts (#2406) * check immutable ts * checkstyle * release notes * Fix TM creation * checkstyle * Propagate top-level KVS method names to CassandraClient (#2669) * Propagate method names down to multiget_slice * Add the corresponding KVS method to remaining methods * Add TODO * [no release notes] * nit * Extract cql executor interface (#2670) * Instrument CqlExecutor * [no release notes] * bump awaitility (#2668) * Upgrade to newer Awaitility. * locks [no release notes] * unused import * Bump Atlas on Tritium 0.8.4 to fix dependency conflicts (#2662) * Bump Atlas on Tritium 0.8.4 to fix dependency conflicts * Add changes into missing file * Doc changes * Exclude Tracing and HdrHistogram from Tritium dependencies * update locks * Add excluded dependencies explicitly * Fix merge conflict in relase notes * Uncomment dependencies * Regenerate locks * Correctly log Paxos events (#2674) * Log out Paxos values when recording Paxos events * Updated release notes * Checkstyle * Pull request number * Address comments * fix docs * Slow log and tracing (#2673) * Trace and instrument the thrift client * Instrument CqlExecutor * Fix metric names of IntrumentedCassandraClient * Fix nit * Also log internal table references * Checkstyle * simplify metric names * Address comments * add slow logging to the cassandra thrift client * add slow logging to cqlExecutor * fix typos * Add tracing to the CassandraClient * trace cqlExecutor queries * Add slow-logging in the CassandraClient * Delete InstrumentedCC and InstrumentedCqlExec * Fix small nits * Checkstyle * Add kvs method names to slow logs * Fix wrapping of exception * Extract CqlQuery * Move kvs-slow-log and tracing of CqlExecutor to CCI * Propagate execute_cql3_query api breaks * checkstyle * delete unused string * checkstyle * fix number of mutations on batch_mutate * some refactors * fix compile * Refactor cassandra client (#2676) * Extract TracingCassandraClient Extract ProfilingCassandraClient Move todos and some cleanup Cherry-pick QoS metrics to develop (#2679) * [QoS] Feature/qos meters (#2640) * Metrics for bytes and counts in each read/write * Refactors, dont throw if recordMetrics throws * Use meters instead of histograms * Multiget bytes * Batch mutate exact size * Cqlresult size * Calculate exact byte sizes for all thrift objects * tests and bugfixes - partial * More tests and bugs fixed * More tests and cr comments * byte buffer size * Remove register histogram * checkstyle * checkstyle * locks and license * Qos metrics CassandraClient * Exclude unused classes * fix cherry pick * use supplier for object size [no release notes] * fix merge in AtlasDbConfig * rate limiting * total-time * qos config * respect max backoff itme * query weights * extra tests * num rows * checkstyle * fix tests * no int casting * Qos ete tests * shouldFailIfWritingTooManyBytes * fix test * rm file * Remove metrics * Test shouldFailIfReadingTooManyBytes * canBeWritingLargeNumberOfBytesConcurrently * checkstyle * cannotWriteLargeNumberOfBytesConcurrently * fix tests * create tm in test * More read tests (after writing a lot of data at once) * WIP * Tests that should pas * Actually update the rate * Add another test * More tests and address comments * Dont extend etesetup * Make dumping data faster * cleanup * wip * Add back lost file * Cleanup * Write tests * numReadsPerThread -> numThreads * More write tests, cleanup, check style fixes * Refactor to avoid code duplication * Cleanup * cr comments * Small read/write after a rate-limited read/write * annoying no new linw at eof * Uniform parameters for hard limiting * Don't consume any estimated bytes for a _transaction or metadata table query * Add tests * cr comments * Merge develop to the feature branch (#2741) * Merge develop * Re-delete CqlQueryUtils * Nziebart/cell timestamps qos (#2745) * handle qos exceptions in cell timestamp loader [no release notes] * actually just remove checked exception * Remove the throws in the method signature * Differentiate between read and write limits when logging (#2751) * Differentiate between read and write limits when logging * Type -> name * Use longs in the rate limiter and handle negative adjustments. (#2758) * Differentiate between read and write limits when logging * handle negative adjustments * More tests * pr comments
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