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Posted to issues@bookkeeper.apache.org by GitBox <gi...@apache.org> on 2020/10/28 03:25:11 UTC
[GitHub] [bookkeeper] liangyuanpeng commented on issue #2462: [Question] Could not grab a clean page for ledger
liangyuanpeng commented on issue #2462:
URL: https://github.com/apache/bookkeeper/issues/2462#issuecomment-717671476
some page cache usage:
journal of node bk:
```
root@yh-console:~/lan/docker-compose-files/pulsar/dev# pcstat data/bkdata/bookkeeper/journal/current/*
+--------------------------------------------------------+----------------+------------+-----------+---------+
| Name | Size (bytes) | Pages | Cached | Percent |
|--------------------------------------------------------+----------------+------------+-----------+---------|
| data/bkdata/bookkeeper/journal/current/1747c9fae7e.txn | 134217728 | 32768 | 1 | 000.003 |
| data/bkdata/bookkeeper/journal/current/1747c9fae7f.txn | 704643072 | 172032 | 112348 | 065.306 |
| data/bkdata/bookkeeper/journal/current/1747c9fae80.txn | 452984832 | 110592 | 68719 | 062.137 |
| data/bkdata/bookkeeper/journal/current/VERSION | 166 | 1 | 0 | 000.000 |
+--------------------------------------------------------+----------------+------------+-----------+---------+
```
ledgers of node bk:
```
+-------------------------------------------------+----------------+------------+-----------+---------+
| Name | Size (bytes) | Pages | Cached | Percent |
|-------------------------------------------------+----------------+------------+-----------+---------|
| data/bkdata/bookkeeper/ledgers/current/5.log | 6054631 | 1479 | 0 | 000.000 |
| data/bkdata/bookkeeper/ledgers/current/6.log | 0 | 0 | 0 | NaN |
| data/bkdata/bookkeeper/ledgers/current/7.log | 71237632 | 17392 | 0 | 000.000 |
| data/bkdata/bookkeeper/ledgers/current/8.log | 0 | 0 | 0 | NaN |
| data/bkdata/bookkeeper/ledgers/current/9.log | 73463808 | 17936 | 0 | 000.000 |
| data/bkdata/bookkeeper/ledgers/current/a.log | 39124992 | 9552 | 0 | 000.000 |
| data/bkdata/bookkeeper/ledgers/current/b.log | 0 | 0 | 0 | NaN |
| data/bkdata/bookkeeper/ledgers/current/c.log | 69009408 | 16848 | 2832 | 016.809 |
| data/bkdata/bookkeeper/ledgers/current/d.log | 0 | 0 | 0 | NaN |
| data/bkdata/bookkeeper/ledgers/current/e.log | 55640064 | 13584 | 12756 | 093.905 |
| data/bkdata/bookkeeper/ledgers/current/f.log | 0 | 0 | 0 | NaN |
| data/bkdata/bookkeeper/ledgers/current/lastId | 2 | 1 | 0 | 000.000 |
| data/bkdata/bookkeeper/ledgers/current/lastMark | 16 | 1 | 0 | 000.000 |
| data/bkdata/bookkeeper/ledgers/current/VERSION | 166 | 1 | 1 | 100.000 |
+-------------------------------------------------+----------------+------------+-----------+---------+
```
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