我们的应用程序中使用Glide 3.6和GridLayoutManager的RecyclerView加载图片时，发现图片加载时间非常长。这些图片大小都在20kb-40kb左右。看起来Glide会将所有请求排队，导致一旦您开始向下滚动列表，图片需要相当长的时间才能加载完毕。我已经附上了GenericRequest类的日志。
V/GenericRequest﹕ finished setup for calling load in 0.170291 this: 249721749
V/GenericRequest﹕ finished onSizeReady in 0.36724999999999997 this: 249721749
V/GenericRequest﹕ finished run method in 0.763083 this: 249721749
V/GenericRequest﹕ Got onSizeReady in 0.041249999999999995 this: 991315424
V/GenericRequest﹕ finished setup for calling load in 0.15479199999999999 this: 991315424
V/GenericRequest﹕ finished onSizeReady in 0.30008399999999996 this: 991315424
V/GenericRequest﹕ finished run method in 0.499959 this: 991315424
V/GenericRequest﹕ Got onSizeReady in 0.060584 this: 1029510845
V/GenericRequest﹕ finished setup for calling load in 0.200625 this: 1029510845
V/GenericRequest﹕ finished onSizeReady in 0.39233399999999996 this: 1029510845
V/GenericRequest﹕ finished run method in 0.670084 this: 1029510845
V/GenericRequest﹕ Got onSizeReady in 0.048374999999999994 this: 516458536
V/GenericRequest﹕ finished setup for calling load in 0.188666 this: 516458536
V/GenericRequest﹕ finished onSizeReady in 0.379916 this: 516458536
V/GenericRequest﹕ finished run method in 0.654083 this: 516458536
V/GenericRequest﹕ Resource ready in 1012.49325 size: 2.18359375 fromCache: false this: 671303046
V/GenericRequest﹕ Got onSizeReady in 0.073833 this: 356666200
V/GenericRequest﹕ finished setup for calling load in 0.240667 this: 356666200
V/GenericRequest﹕ finished onSizeReady in 0.460792 this: 356666200
V/GenericRequest﹕ finished run method in 0.780708 this: 356666200
V/GenericRequest﹕ Got onSizeReady in 0.064583 this: 347417463
V/GenericRequest﹕ finished setup for calling load in 0.242583 this: 347417463
V/GenericRequest﹕ finished onSizeReady in 0.45758299999999996 this: 347417463
V/GenericRequest﹕ finished run method in 0.7521249999999999 this: 347417463
V/GenericRequest﹕ Got onSizeReady in 0.142833 this: 671303046
V/GenericRequest﹕ finished setup for calling load in 0.38966599999999996 this: 671303046
V/GenericRequest﹕ finished onSizeReady in 0.703708 this: 671303046
V/GenericRequest﹕ finished run method in 1.851125 this: 671303046
V/GenericRequest﹕ Got onSizeReady in 0.056957999999999995 this: 634418527
V/GenericRequest﹕ finished setup for calling load in 0.21787499999999999 this: 634418527
V/GenericRequest﹕ finished onSizeReady in 0.443083 this: 634418527
V/GenericRequest﹕ finished run method in 0.7567499999999999 this: 634418527
V/GenericRequest﹕ Resource ready in 3443.041335 size: 2.18359375 fromCache: false this: 249721749
V/GenericRequest﹕ Resource ready in 4110.604794 size: 3.8623809814453125 fromCache: false this: 1054166306
V/GenericRequest﹕ Resource ready in 3824.033544 size: 3.8623809814453125 fromCache: false this: 991315424
V/GenericRequest﹕ Resource ready in 3773.0562109999996 size: 3.8623809814453125 fromCache: false this: 1029510845
V/GenericRequest﹕ Resource ready in 4542.90796 size: 2.18359375 fromCache: false this: 516458536
V/GenericRequest﹕ Resource ready in 4171.866168 size: 3.8623809814453125 fromCache: false this: 634418527
V/GenericRequest﹕ Resource ready in 4474.170752 size: 3.8623809814453125 fromCache: false this: 356666200
V/GenericRequest﹕ Resource ready in 4496.104085 size: 2.18359375 fromCache: false this: 671303046
V/GenericRequest﹕ Resource ready in 4814.625126999999 size: 2.18359375 fromCache: false this: 347417463
想知道有没有人能提供一些关于问题可能是什么的见解。也许是调整大小到视图所需的时间？我正在使用match_parent来设置视图的宽度，高度固定约为200dp。
图片是使用加载的。
Glide.with(fragmentContext)
.load(imageUrl)
.centerCrop()
.placeholder(R.drawable.placeholder)
.into(viewHolder.productImage);
XML
<ImageView
android:id="@+id/product_image"
android:layout_width="match_parent"
android:layout_height="@dimen/product_image_height" (208dp)
android:layout_gravity="top"
android:background="@color/placeholder_bg"
/>
编辑：根据@VladimirMironov的评论，我已经更新了增加的池并在视图被回收时清除未处理的负载。这似乎在快速滚动时有所帮助。当涉及视图测量时，提供覆盖或不使用“match_parent”对视图有什么好处吗？仍然存在一些情况，其中一个视图几乎要等待5秒才能显示。
- 在
- 通过
- Vladimir MironovRecyclerView.Adapter.onViewRecycled中取消下载请求（通过调用Glide.clear）recycler.getRecycledViewPool().setMaxRecycledViews(0, 2 * numColumns)增加ViewHolder池的大小。