# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.

# Environment variables that control run.bash:
#
# GO_TEST_SHARDS: number of "dist test" test shards that the
# $GOROOT/test directory will be sliced up into for parallel
# execution. Defaults to 1, unless GO_BUILDER_NAME is also specified,
# in which case it defaults to 10.
#

				// Reading first time on this disk, hence the buffer needs to be allocated.
				// Subsequent reads will reuse this buffer.
				p.buf[bufIdx] = make([]byte, p.shardSize)
			}
			// For the last shard, the shardsize might be less than previous shard sizes.
			// Hence the following statement ensures that the buffer size is reset to the right size.
			p.buf[bufIdx] = p.buf[bufIdx][:p.shardSize]
			n, err := rr.ReadAt(p.buf[bufIdx], p.offset)

	shards, ok := endpoints.ShardsForService(string(s.Hostname), s.Attributes.Namespace)
	if !ok {
		return nil
	}
	var pn string
	for _, p := range s.Ports {
		if p.Port == port {
			pn = p.Name
			break
		}
	}
	if pn == "" && port != 0 {
		return nil
	}
	shards.RLock()
	defer shards.RUnlock()

			originalEndpointsShard := &EndpointShards{
				Shards: map[ShardKey][]*IstioEndpoint{
					c1Key: cluster1Endppoints,
					c2Key: {{Address: "10.244.0.1", ServiceAccount: "sa1"}, {Address: "10.244.0.2", ServiceAccount: "sa-vm2"}},
				},
				ServiceAccounts: map[string]struct{}{
					"sa1":    {},
					"sa-vm1": {},
					"sa-vm2": {},
				},
			}
			originalEndpointsShard.Shards[tc.shardKey] = tc.endpoints

- We limited the number of drives to 16 for erasure set because, erasure code shards more than 16 can become chatty and do not have any performance advantages. Additionally since 16 drive erasure set gives you tolerance of 8 drives per object by default which is plenty in any practical scenario.

//
//    internal error in coverage meta-data tracking:
//    list of hard-coded runtime package IDs needs revising.
//    registered list:
//    slot: 0 path='internal/cpu'  hard-coded id: 1
//    slot: 1 path='internal/goarch'  hard-coded id: 2
//    slot: 2 path='internal/runtime/atomic'  hard-coded id: 3
//    slot: 3 path='internal/goos'
//    slot: 4 path='runtime/internal/sys'  hard-coded id: 5
//    slot: 5 path='internal/abi'  hard-coded id: 4

This will allow normal write operations to take place on systems that exceed the write tolerance.

        // Adding an optional dependency: see if we already have a hard dependency on the same module
        ModuleResolveState module = resolveState.getModule(key);
        boolean pending = module.isPending();

        // Already have a hard dependency, this optional dependency is not pending.
        if (!pending) {
            return PendingState.NOT_PENDING;
        }

	// macOS sets the default soft limit to 256 and no hard limit.
	// CentOS and Fedora set the default soft limit to 1024,
	// with hard limits of 4096 and 524288, respectively.
	// Check that we can open 1200 files, which proves
	// that the rlimit is being raised appropriately on those systems.
	fileCount := 1200

	// OpenBSD has a default soft limit of 512 and hard limit of 1024.
	if runtime.GOOS == "openbsd" {
		fileCount = 768

				fmt.Fprintf(os.Stderr, "%v: error on self-test [d:%d,p:%d]: want %#v, got %#v\n", algo, conf[0], conf[1], a, b)
				ok = false
				continue
			}
			// Delete first shard and reconstruct...
			first := encoded[0]
			encoded[0] = nil
			failOnErr(e.DecodeDataBlocks(encoded))
			if a, b := first, encoded[0]; !bytes.Equal(a, b) {