yurinaryshkin commented on code in PR #11294:
URL: https://github.com/apache/ignite/pull/11294#discussion_r1551147408
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modules/core/src/main/java/org/apache/ignite/internal/processors/cache/persistence/file/AbstractFileIO.java:
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@@ -46,29 +46,44 @@ private interface IOOperation {
* @param num Number of bytes to operate.
*/
private int fully(IOOperation operation, long position, int num, boolean
write) throws IOException {
- if (num > 0) {
- long time = 0;
+ if (num <= 0)
+ return num;
- for (int i = 0; i < num; ) {
- int n = operation.run(i);
+ long time = 0;
- if (n > 0) {
- i += n;
- time = 0;
- }
- else if (n == 0 || i > 0) {
- if (!write && available(num - i, position + i) == 0)
- return i;
-
- if (time == 0)
- time = System.nanoTime();
- else if ((System.nanoTime() - time) >=
U.millisToNanos(MAX_IO_TIMEOUT_MS))
- throw new IOException(write && (position + i) ==
size() ? "Failed to extend file." :
- "Probably disk is too busy, please check your
device.");
+ for (int i = 0; i < num; ) {
+ int n = operation.run(i);
+
+ if (n > 0) {
+ i += n;
+ time = 0;
+ }
+ else if (n == 0 || i > 0) {
+ /* Condition for reaching the end of file while there's still
space in buffer
+ OR for the case when the buffer is full but there's still
data to read from file */
+ if (!write && available(num - i, position + i) == 0)
+ return i;
+
+ if (time == 0)
+ time = System.nanoTime();
+ else if ((System.nanoTime() - time) >=
U.millisToNanos(MAX_IO_TIMEOUT_MS)) {
+ String errorMsg;
+
+ if (write && (position + i) == size())
+ errorMsg = "Write operation unsuccessful, write
timeout exceeds the maximum IO timeout ("
+ + U.millisToNanos(MAX_IO_TIMEOUT_MS) + " ms);
failed to extend file.";
+ else if (write)
+ errorMsg = "Write operation unsuccessful, write
timeout exceeds the maximum IO timeout ("
+ + U.millisToNanos(MAX_IO_TIMEOUT_MS) + " ms).";
+ else
+ errorMsg = "Read operation unsuccessful, read timeout
exceeds the maximum IO timeout ("
+ + U.millisToNanos(MAX_IO_TIMEOUT_MS) +
+ " ms); disk might be too busy, please check your
device.";
+ throw new IOException(errorMsg);
Review Comment:
Please add empty line before
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