Dmitriy, please give me a couple of days to look at this.
—
Denis
> On May 17, 2017, at 4:16 AM, Dmitriy Govorukhin
> <dmitriy.govoruk...@gmail.com> wrote:
>
> Folk,
>
> As you know, ignite 2.1 will contain new module (pds), it will be
> provide ability to store data on disk. Let's discuss what type of
> metrics we need for this?
> I think it must be metrics per memory policy, per cache, checkpoint,
> and global metrics which will be aggregate all metrics.
>
> I did sketch.
>
> PersistentStoreMetrics.java
>
> public interface PersistentStoreMetrics {
>
> // Global metrics.
>
> public long getMemorySize();
>
> public long getDiskSize();
>
> public long getPagesInMemory();
>
> public long getPagesSizeInMemory();
>
> public long getPagesOnDisk();
>
> public long getPagesSizeOnDisk();
>
> public long getFreePages();
>
> public long getFreePagesSize();
>
> public long getDirtyPages();
>
> public long getDirtyPagesSize();
>
> public long walLog();
>
> public long walLogSize();
>
> // Frequency.
>
> public long getPagesRead();
>
> public long getPagesWrite();
>
> public long getFsync();
>
> public long getWal();
>
> public long getAverageWalFsyncTime();
>
> // Per cache.
>
> public PersistentStoreCacheMetrics cache(String name);
>
> public PersistentStoreCacheMetrics cache(int cacheId);
>
> // For last checkpoint.
>
> public PersistentStoreCheckpointMetrics getLastCheckPoint();
> }
>
>>>>>>>>>>>>>>>>>>>>>>>>
>
> PersistentStoreCacheMetrics.java
>
> public interface PersistentStoreCacheMetrics {
>
> public String name();
>
> public double getFillFactor();
>
> public double getFillFactor(int part);
>
> public long getMemorySize();
>
> public long getDiskSize();
>
> public long getPagesInMemory();
>
> public long getPagesSizeInMemory();
>
> public long getPagesOnDisk();
>
> public long getPagesSizeOnDisk();
>
> public long getFreePages();
>
> public long getFreePagesSize();
>
> public long getDirtyPages();
>
> public long getDirtyPagesSize();
>
> public long getPagesRead();
>
> public long getPagesWritten();
> }
>
>>>>>>>>>>>>>>>>>>>>>>>>
>
> PersistentStoreCheckpointMetrics.java
>
> public interface PersistentStoreCheckpointMetrics {
>
> public long getTotalPages();
>
> //TODO Page type is internal?
> public long[] pagesType();
>
> public long getExecutingTime();
>
> public long getFsyncTime();
>
> public long getPagesCopyOnWrite();
> }
