Remove stacksize from the thread pools and thread executors.

20 files changed, 40 insertions, 38 deletions

diff --git a/searchlib/src/apps/docstore/benchmarkdatastore.cpp b/searchlib/src/apps/docstore/benchmarkdatastore.cpp
index 9c2a40d6e98..cf2e7f7356d 100644
--- a/searchlib/src/apps/docstore/benchmarkdatastore.cpp
+++ b/searchlib/src/apps/docstore/benchmarkdatastore.cpp
@@ -97,12 +97,12 @@ BenchmarkDataStoreApp::benchmark(const vespalib::string & dir, size_t numReads,
         tuning._randRead.setWantMemoryMap();
     }
     search::index::DummyFileHeaderContext fileHeaderContext;
-    vespalib::ThreadStackExecutor executor(1, 128_Ki);
+    vespalib::ThreadStackExecutor executor(1);
     transactionlog::NoSyncProxy noTlSyncer;
     LogDataStore store(executor, dir, config, growStrategy, tuning,
                        fileHeaderContext,
                        noTlSyncer, NULL, true);
-    vespalib::ThreadStackExecutor bmPool(numThreads, 128_Ki);
+    vespalib::ThreadStackExecutor bmPool(numThreads);
     LOG(info, "Start read benchmark with %lu threads doing %lu reads in chunks of %lu reads. Totally %lu objects", numThreads, numReads, perChunk, numThreads * numReads * perChunk);
     for (size_t i(0); i < numThreads; i++) {
         bmPool.execute(vespalib::makeLambdaTask([&]() { read(numReads, perChunk, static_cast<const IDataStore *>(&store)); }));
diff --git a/searchlib/src/apps/docstore/documentstoreinspect.cpp b/searchlib/src/apps/docstore/documentstoreinspect.cpp
index 34afa0216ed..f19a128535f 100644
--- a/searchlib/src/apps/docstore/documentstoreinspect.cpp
+++ b/searchlib/src/apps/docstore/documentstoreinspect.cpp
@@ -108,7 +108,7 @@ DocumentStoreInspectApp::verify(const vespalib::string & dir)
     GrowStrategy growStrategy;
     TuneFileSummary tuning;
     search::index::DummyFileHeaderContext fileHeaderContext;
-    vespalib::ThreadStackExecutor executor(1, 128_Ki);
+    vespalib::ThreadStackExecutor executor(1);
     transactionlog::NoSyncProxy noTlSyncer;
 
     LogDataStore store(executor, dir, config, growStrategy, tuning,
diff --git a/searchlib/src/apps/docstore/verifylogdatastore.cpp b/searchlib/src/apps/docstore/verifylogdatastore.cpp
index 3b673c172c9..f803f7aee9f 100644
--- a/searchlib/src/apps/docstore/verifylogdatastore.cpp
+++ b/searchlib/src/apps/docstore/verifylogdatastore.cpp
@@ -51,7 +51,7 @@ VerifyLogDataStoreApp::verify(const vespalib::string & dir)
     GrowStrategy growStrategy;
     TuneFileSummary tuning;
     search::index::DummyFileHeaderContext fileHeaderContext;
-    vespalib::ThreadStackExecutor executor(1, 128_Ki);
+    vespalib::ThreadStackExecutor executor(1);
     transactionlog::NoSyncProxy noTlSyncer;
 
     try {
diff --git a/searchlib/src/apps/tests/biglogtest.cpp b/searchlib/src/apps/tests/biglogtest.cpp
index bd8991edc4b..154e94d0c66 100644
--- a/searchlib/src/apps/tests/biglogtest.cpp
+++ b/searchlib/src/apps/tests/biglogtest.cpp
@@ -4,7 +4,6 @@
 #include <vespa/searchlib/docstore/logdatastore.h>
 #include <vespa/searchlib/index/dummyfileheadercontext.h>
 #include <vespa/searchlib/transactionlog/nosyncproxy.h>
-#include <vespa/vespalib/util/exceptions.h>
 #include <vespa/vespalib/util/size_literals.h>
 #include <vespa/vespalib/util/threadstackexecutor.h>
 #include <vespa/vespalib/data/databuffer.h>
@@ -136,7 +135,7 @@ factory<LogDataStore>::factory(std::string dir)
     : DioTune(),
       _fileHeaderContext(),
       _config(),
-      _executor(1, 128_Ki),
+      _executor(1),
       _noTlSyncer(),
       _datastore(_executor, dir, _config, GrowStrategy(), tuning, _fileHeaderContext, _noTlSyncer, NULL)
 {}
diff --git a/searchlib/src/apps/tests/memoryindexstress_test.cpp b/searchlib/src/apps/tests/memoryindexstress_test.cpp
index 526b4cad9a6..fb743ad93ac 100644
--- a/searchlib/src/apps/tests/memoryindexstress_test.cpp
+++ b/searchlib/src/apps/tests/memoryindexstress_test.cpp
@@ -8,7 +8,6 @@
 #include <vespa/searchlib/memoryindex/memory_index.h>
 #include <vespa/searchlib/query/tree/simplequery.h>
 #include <vespa/searchlib/queryeval/fake_requestcontext.h>
-#include <vespa/searchlib/queryeval/fake_search.h>
 #include <vespa/searchlib/queryeval/fake_searchable.h>
 #include <vespa/searchlib/queryeval/searchiterator.h>
 #include <vespa/searchlib/queryeval/blueprint.h>
@@ -265,13 +264,13 @@ VESPA_THREAD_STACK_TAG(push_executor)
 Fixture::Fixture(uint32_t readThreads)
     : schema(makeSchema()),
       repo(makeDocTypeRepoConfig()),
-      _executor(1, 128_Ki),
+      _executor(1),
       _invertThreads(vespalib::SequencedTaskExecutor::create(invert_executor, 2)),
       _pushThreads(vespalib::SequencedTaskExecutor::create(push_executor, 2)),
       index(schema, MockFieldLengthInspector(), *_invertThreads, *_pushThreads),
       _readThreads(readThreads),
-      _writer(1, 128_Ki),
-      _readers(readThreads, 128_Ki),
+      _writer(1),
+      _readers(readThreads),
       _rnd(),
       _keyLimit(1000000),
       _readSeed(50),
diff --git a/searchlib/src/tests/attribute/benchmark/attributebenchmark.cpp b/searchlib/src/tests/attribute/benchmark/attributebenchmark.cpp
index cb6c66915f1..39e5d713d08 100644
--- a/searchlib/src/tests/attribute/benchmark/attributebenchmark.cpp
+++ b/searchlib/src/tests/attribute/benchmark/attributebenchmark.cpp
@@ -569,7 +569,7 @@ AttributeBenchmark::main(int argc, char **argv)
 
     dc._attribute = vespalib::string(argv[optind]);
 
-    _threadPool = new FastOS_ThreadPool(256000);
+    _threadPool = new FastOS_ThreadPool();
 
     std::cout << "<attribute-benchmark>" << std::endl;
     init(dc);
diff --git a/searchlib/src/tests/attribute/tensorattribute/tensorattribute_test.cpp b/searchlib/src/tests/attribute/tensorattribute/tensorattribute_test.cpp
index b145192eb3a..584335803a8 100644
--- a/searchlib/src/tests/attribute/tensorattribute/tensorattribute_test.cpp
+++ b/searchlib/src/tests/attribute/tensorattribute/tensorattribute_test.cpp
@@ -582,7 +582,7 @@ Fixture::Fixture(const vespalib::string &typeSpec, FixtureTraits traits)
       _index_factory(),
       _tensorAttr(),
       _attr(),
-      _executor(1, 0x10000),
+      _executor(1),
       _denseTensors(false),
       _traits(traits),
       _mmap_allocator_base_dir("mmap-file-allocator-factory-dir")
diff --git a/searchlib/src/tests/diskindex/fusion/fusion_test.cpp b/searchlib/src/tests/diskindex/fusion/fusion_test.cpp
index 5e0111cbe8c..b3d8e46cb3a 100644
--- a/searchlib/src/tests/diskindex/fusion/fusion_test.cpp
+++ b/searchlib/src/tests/diskindex/fusion/fusion_test.cpp
@@ -390,7 +390,7 @@ FusionTest::requireThatFusionIsWorking(const vespalib::string &prefix, bool dire
     ASSERT_TRUE(FileKit::hasStamp(tsName));
     ASSERT_TRUE(FileKit::removeStamp(tsName));
     ASSERT_FALSE(FileKit::hasStamp(tsName));
-    vespalib::ThreadStackExecutor executor(4, 0x10000);
+    vespalib::ThreadStackExecutor executor(4);
 
     do {
         DiskIndex dw2(prefix + "dump2");
@@ -499,7 +499,7 @@ FusionTest::make_simple_index(const vespalib::string &dump_dir, const IFieldLeng
 bool
 FusionTest::try_merge_simple_indexes(const vespalib::string &dump_dir, const std::vector<vespalib::string> &sources, std::shared_ptr<IFlushToken> flush_token)
 {
-    vespalib::ThreadStackExecutor executor(4, 0x10000);
+    vespalib::ThreadStackExecutor executor(4);
     TuneFileIndexing tuneFileIndexing;
     DummyFileHeaderContext fileHeaderContext;
     SelectorArray selector(20, 0);
diff --git a/searchlib/src/tests/docstore/document_store_visitor/document_store_visitor_test.cpp b/searchlib/src/tests/docstore/document_store_visitor/document_store_visitor_test.cpp
index 1df5f9a1409..efe858c016a 100644
--- a/searchlib/src/tests/docstore/document_store_visitor/document_store_visitor_test.cpp
+++ b/searchlib/src/tests/docstore/document_store_visitor/document_store_visitor_test.cpp
@@ -240,7 +240,7 @@ Fixture::Fixture()
       _storeConfig(DocumentStore::Config(CompressionConfig::NONE, 0, 0),
                    LogDataStore::Config().setMaxFileSize(50000).setMaxBucketSpread(3.0)
                            .setFileConfig(WriteableFileChunk::Config(CompressionConfig(), 16_Ki))),
-      _executor(1, 128_Ki),
+      _executor(1),
       _fileHeaderContext(),
       _tlSyncer(),
       _store(),
diff --git a/searchlib/src/tests/docstore/file_chunk/file_chunk_test.cpp b/searchlib/src/tests/docstore/file_chunk/file_chunk_test.cpp
index b295291d7c4..6e69e5092bc 100644
--- a/searchlib/src/tests/docstore/file_chunk/file_chunk_test.cpp
+++ b/searchlib/src/tests/docstore/file_chunk/file_chunk_test.cpp
@@ -74,7 +74,7 @@ struct FixtureBase {
 
     explicit FixtureBase(const vespalib::string &baseName, bool dirCleanup = true)
         : dir(baseName),
-          executor(1, 0x10000),
+          executor(1),
           serialNum(1),
           tuneFile(),
           fileHeaderCtx(),
diff --git a/searchlib/src/tests/docstore/logdatastore/logdatastore_test.cpp b/searchlib/src/tests/docstore/logdatastore/logdatastore_test.cpp
index 9538db391df..ad0bf60fbe3 100644
--- a/searchlib/src/tests/docstore/logdatastore/logdatastore_test.cpp
+++ b/searchlib/src/tests/docstore/logdatastore/logdatastore_test.cpp
@@ -212,7 +212,7 @@ TEST("test that DirectIOPadding works accordng to spec") {
 
 void verifyGrowing(const LogDataStore::Config & config, uint32_t minFiles, uint32_t maxFiles) {
     DirectoryHandler tmpDir("growing");
-    vespalib::ThreadStackExecutor executor(4, 128_Ki);
+    vespalib::ThreadStackExecutor executor(4);
     DummyFileHeaderContext fileHeaderContext;
     MyTlSyncer tlSyncer;
     {
@@ -283,7 +283,7 @@ void fetchAndTest(IDataStore & datastore, uint32_t lid, const void *a, size_t sz
 TEST("testTruncatedIdxFile"){
     LogDataStore::Config config;
     DummyFileHeaderContext fileHeaderContext;
-    vespalib::ThreadStackExecutor executor(1, 128_Ki);
+    vespalib::ThreadStackExecutor executor(1);
     MyTlSyncer tlSyncer;
     {
         // Files comes from the 'growing test'.
@@ -311,7 +311,7 @@ TEST("testTruncatedIdxFile"){
 TEST("testThatEmptyIdxFilesAndDanglingDatFilesAreRemoved") {
     LogDataStore::Config config;
     DummyFileHeaderContext fileHeaderContext;
-    vespalib::ThreadStackExecutor executor(1, 128_Ki);
+    vespalib::ThreadStackExecutor executor(1);
     MyTlSyncer tlSyncer;
     LogDataStore datastore(executor, "dangling-test", config,
                            GrowStrategy(), TuneFileSummary(),
@@ -324,7 +324,7 @@ TEST("testThatEmptyIdxFilesAndDanglingDatFilesAreRemoved") {
 TEST("testThatIncompleteCompactedFilesAreRemoved") {
     LogDataStore::Config config;
     DummyFileHeaderContext fileHeaderContext;
-    vespalib::ThreadStackExecutor executor(1, 128_Ki);
+    vespalib::ThreadStackExecutor executor(1);
     MyTlSyncer tlSyncer;
     LogDataStore datastore(executor, "incompletecompact-test", config,
                            GrowStrategy(), TuneFileSummary(),
@@ -344,7 +344,7 @@ public:
         _myDir("visitcache"),
         _config(),
         _fileHeaderContext(),
-        _executor(1, 128_Ki),
+        _executor(1),
         _tlSyncer(),
         _datastore(_executor, _myDir.getDir(), _config, GrowStrategy(),
                    TuneFileSummary(), _fileHeaderContext, _tlSyncer, nullptr)
@@ -533,7 +533,7 @@ VisitCacheStore::VisitCacheStore(UpdateStrategy strategy) :
             LogDataStore::Config().setMaxFileSize(50000).setMaxBucketSpread(3.0)
                     .setFileConfig(WriteableFileChunk::Config(CompressionConfig(), 16_Ki))),
     _fileHeaderContext(),
-    _executor(1, 128_Ki),
+    _executor(1),
     _tlSyncer(),
     _datastore(std::make_unique<LogDocumentStore>(_executor, _myDir.getDir(), _config, GrowStrategy(),
                                                   TuneFileSummary(), _fileHeaderContext, _tlSyncer, nullptr)),
@@ -675,7 +675,7 @@ TEST("testWriteRead") {
     {
         std::filesystem::create_directory(std::filesystem::path("empty"));
         DummyFileHeaderContext fileHeaderContext;
-        vespalib::ThreadStackExecutor executor(1, 128_Ki);
+        vespalib::ThreadStackExecutor executor(1);
         MyTlSyncer tlSyncer;
         LogDataStore datastore(executor, "empty", config, GrowStrategy(),
                                TuneFileSummary(), fileHeaderContext, tlSyncer, nullptr);
@@ -711,7 +711,7 @@ TEST("testWriteRead") {
     }
     {
         DummyFileHeaderContext fileHeaderContext;
-        vespalib::ThreadStackExecutor executor(1, 128_Ki);
+        vespalib::ThreadStackExecutor executor(1);
         MyTlSyncer tlSyncer;
         LogDataStore datastore(executor, "empty", config,
                                GrowStrategy(), TuneFileSummary(),
@@ -762,7 +762,7 @@ TEST("requireThatFlushTimeIsAvailableAfterFlush") {
     vespalib::system_time before(vespalib::system_clock::now());
     DummyFileHeaderContext fileHeaderContext;
     LogDataStore::Config config;
-    vespalib::ThreadStackExecutor executor(1, 128_Ki);
+    vespalib::ThreadStackExecutor executor(1);
     MyTlSyncer tlSyncer;
     LogDataStore store(executor, testDir.getDir(), config, GrowStrategy(),
                        TuneFileSummary(), fileHeaderContext, tlSyncer, nullptr);
@@ -849,7 +849,7 @@ struct Fixture {
     Fixture(const vespalib::string &dirName = "tmp",
             bool dirCleanup = true,
             size_t maxFileSize = 4_Ki * 2)
-        : executor(1, 0x20000),
+        : executor(1),
           dir(dirName),
           serialNum(0),
           fileHeaderCtx(),
diff --git a/searchlib/src/tests/docstore/store_by_bucket/store_by_bucket_test.cpp b/searchlib/src/tests/docstore/store_by_bucket/store_by_bucket_test.cpp
index da900ddecee..b849143427c 100644
--- a/searchlib/src/tests/docstore/store_by_bucket/store_by_bucket_test.cpp
+++ b/searchlib/src/tests/docstore/store_by_bucket/store_by_bucket_test.cpp
@@ -68,7 +68,7 @@ TEST("require that StoreByBucket gives bucket by bucket and ordered within")
 {
     std::mutex backing_lock;
     vespalib::MemoryDataStore backing(vespalib::alloc::Alloc::alloc(256), &backing_lock);
-    vespalib::ThreadStackExecutor executor(8, 128_Ki);
+    vespalib::ThreadStackExecutor executor(8);
     StoreByBucket sbb(backing, executor, CompressionConfig::LZ4);
     for (size_t i(1); i <=500; i++) {
         add(sbb, i);
diff --git a/searchlib/src/tests/memoryindex/memory_index/memory_index_test.cpp b/searchlib/src/tests/memoryindex/memory_index/memory_index_test.cpp
index c1261a60278..69063f38aeb 100644
--- a/searchlib/src/tests/memoryindex/memory_index/memory_index_test.cpp
+++ b/searchlib/src/tests/memoryindex/memory_index/memory_index_test.cpp
@@ -156,7 +156,7 @@ VESPA_THREAD_STACK_TAG(invert_executor)
 VESPA_THREAD_STACK_TAG(push_executor)
 
 Index::Index(const MySetup &setup)
-    : _executor(1, 128_Ki),
+    : _executor(1),
       _invertThreads(SequencedTaskExecutor::create(invert_executor, 2)),
       _pushThreads(SequencedTaskExecutor::create(push_executor, 2)),
       index(setup.make_all_index_schema(), setup, *_invertThreads, *_pushThreads),
diff --git a/searchlib/src/tests/postinglistbm/stress_runner.cpp b/searchlib/src/tests/postinglistbm/stress_runner.cpp
index 09272a60e75..179e4f49ef4 100644
--- a/searchlib/src/tests/postinglistbm/stress_runner.cpp
+++ b/searchlib/src/tests/postinglistbm/stress_runner.cpp
@@ -160,7 +160,7 @@ StressMaster::StressMaster(vespalib::Rand48 &rnd,
 {
     LOG(info, "StressMaster::StressMaster()");
 
-    _threadPool = new FastOS_ThreadPool(128_Ki, 400);
+    _threadPool = new FastOS_ThreadPool(400);
 }
 
 StressMaster::~StressMaster()
diff --git a/searchlib/src/tests/tensor/hnsw_index/stress_hnsw_mt.cpp b/searchlib/src/tests/tensor/hnsw_index/stress_hnsw_mt.cpp
index d8bfb1de9a9..ecf310798af 100644
--- a/searchlib/src/tests/tensor/hnsw_index/stress_hnsw_mt.cpp
+++ b/searchlib/src/tests/tensor/hnsw_index/stress_hnsw_mt.cpp
@@ -18,7 +18,6 @@
 #include <vespa/searchlib/tensor/random_level_generator.h>
 #include <vespa/searchlib/tensor/vector_bundle.h>
 #include <vespa/vespalib/data/input.h>
-#include <vespa/vespalib/data/memory_input.h>
 #include <vespa/vespalib/data/slime/slime.h>
 #include <vespa/vespalib/gtest/gtest.h>
 #include <vespa/vespalib/util/blockingthreadstackexecutor.h>
@@ -254,8 +253,8 @@ public:
           vectors(),
           gen_handler(),
           index(),
-          multi_prepare_workers(10, 128_Ki, 50),
-          write_thread(1, 128_Ki, 500)
+          multi_prepare_workers(10, 50),
+          write_thread(1, 500)
     {
         loaded_vectors.load();
     }
diff --git a/searchlib/src/tests/transactionlog/translogclient_test.cpp b/searchlib/src/tests/transactionlog/translogclient_test.cpp
index a922795d570..1eae8489c75 100644
--- a/searchlib/src/tests/transactionlog/translogclient_test.cpp
+++ b/searchlib/src/tests/transactionlog/translogclient_test.cpp
@@ -484,7 +484,7 @@ struct TLS {
     TransLogServer tls;
     TLS(const vespalib::string &name, int listenPort, const vespalib::string &baseDir,
         const common::FileHeaderContext &fileHeaderContext, const DomainConfig & cfg, size_t maxThreads = 4)
-        : threadPool(64_Ki),
+        : threadPool(),
           transport(),
           tls(transport, name, listenPort, baseDir, fileHeaderContext, cfg, maxThreads)
     {
diff --git a/searchlib/src/tests/transactionlogstress/translogstress.cpp b/searchlib/src/tests/transactionlogstress/translogstress.cpp
index 9988f3e171a..eb457f312e6 100644
--- a/searchlib/src/tests/transactionlogstress/translogstress.cpp
+++ b/searchlib/src/tests/transactionlogstress/translogstress.cpp
@@ -698,7 +698,7 @@ TransLogStress::main(int argc, char **argv)
     }
 
     // start transaction log server
-    FastOS_ThreadPool threadPool(256_Ki);
+    FastOS_ThreadPool threadPool;
     FNET_Transport transport;
     DummyFileHeaderContext fileHeaderContext;
     TransLogServer tls(transport, "server", 17897, ".", fileHeaderContext, DomainConfig().setPartSizeLimit(_cfg.domainPartSize));
diff --git a/searchlib/src/vespa/searchlib/transactionlog/domain.cpp b/searchlib/src/vespa/searchlib/transactionlog/domain.cpp
index a0ee40e6674..49fa7041533 100644
--- a/searchlib/src/vespa/searchlib/transactionlog/domain.cpp
+++ b/searchlib/src/vespa/searchlib/transactionlog/domain.cpp
@@ -9,6 +9,7 @@
 #include <vespa/vespalib/util/destructor_callbacks.h>
 #include <vespa/vespalib/util/size_literals.h>
 #include <vespa/vespalib/util/retain_guard.h>
+#include <vespa/vespalib/util/cpu_usage.h>
 #include <vespa/fastos/file.h>
 #include <algorithm>
 #include <thread>
@@ -23,9 +24,12 @@ LOG_SETUP(".transactionlog.domain");
 using vespalib::string;
 using vespalib::make_string_short::fmt;
 using vespalib::makeLambdaTask;
+using vespalib::CpuUsage;
 using std::runtime_error;
 using std::make_shared;
 
+using CpuCategory = vespalib::CpuUsage::Category;
+
 namespace search::transactionlog {
 namespace {
 
@@ -34,6 +38,7 @@ createCommitChunk(const DomainConfig &cfg) {
     return std::make_unique<CommitChunk>(cfg.getChunkSizeLimit(), cfg.getChunkSizeLimit()/256);
 }
 
+VESPA_THREAD_STACK_TAG(tls_domain_commit);
 }
 
 Domain::Domain(const string &domainName, const string & baseDir, vespalib::Executor & executor,
@@ -41,7 +46,7 @@ Domain::Domain(const string &domainName, const string & baseDir, vespalib::Execu
     : _config(cfg),
       _currentChunk(createCommitChunk(cfg)),
       _lastSerial(0),
-      _singleCommitter(std::make_unique<vespalib::ThreadStackExecutor>(1, 128_Ki)),
+      _singleCommitter(std::make_unique<vespalib::ThreadStackExecutor>(1, CpuUsage::wrap(tls_domain_commit, CpuCategory::WRITE))),
       _executor(executor),
       _sessionId(1),
       _name(domainName),
diff --git a/searchlib/src/vespa/searchlib/transactionlog/translogclient.cpp b/searchlib/src/vespa/searchlib/transactionlog/translogclient.cpp
index b4534486e85..133fabd3e5f 100644
--- a/searchlib/src/vespa/searchlib/transactionlog/translogclient.cpp
+++ b/searchlib/src/vespa/searchlib/transactionlog/translogclient.cpp
@@ -47,7 +47,7 @@ struct RpcTask : public vespalib::Executor::Task {
 }
 
 TransLogClient::TransLogClient(FNET_Transport & transport, const vespalib::string & rpcTarget) :
-    _executor(std::make_unique<vespalib::ThreadStackExecutor>(1, 128_Ki, translogclient_rpc_callback)),
+    _executor(std::make_unique<vespalib::ThreadStackExecutor>(1, translogclient_rpc_callback)),
     _rpcTarget(rpcTarget),
     _sessions(),
     _supervisor(std::make_unique<FRT_Supervisor>(&transport)),
diff --git a/searchlib/src/vespa/searchlib/transactionlog/translogserver.cpp b/searchlib/src/vespa/searchlib/transactionlog/translogserver.cpp
index a7aa2384bbc..c6ae9c00e49 100644
--- a/searchlib/src/vespa/searchlib/transactionlog/translogserver.cpp
+++ b/searchlib/src/vespa/searchlib/transactionlog/translogserver.cpp
@@ -98,8 +98,8 @@ TransLogServer::TransLogServer(FNET_Transport & transport, const vespalib::strin
       _name(name),
       _baseDir(baseDir),
       _domainConfig(cfg),
-      _executor(maxThreads, 128_Ki, CpuUsage::wrap(tls_executor, CpuUsage::Category::WRITE)),
-      _threadPool(std::make_unique<FastOS_ThreadPool>(120_Ki)),
+      _executor(maxThreads, CpuUsage::wrap(tls_executor, CpuUsage::Category::WRITE)),
+      _threadPool(std::make_unique<FastOS_ThreadPool>()),
       _supervisor(std::make_unique<FRT_Supervisor>(&transport)),
       _domains(),
       _reqQ(),