Add a fail point named force_change_all_blobs_to_read_only

[jiaqizho]

What problem does this PR solve?

Issue Number: ref #3594

Problem Summary:

What is changed and how it works?

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Side effects

• Performance regression: Consumes more CPU
• Performance regression: Consumes more Memory
• Breaking backward compatibility

Documentation

• Affects user behaviors
• Contains syntax changes
• Contains variable changes
• Contains experimental features
• Changes MySQL compatibility

Release note

None

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• JaySon-Huang
• Lloyd-Pottiger

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[Lloyd-Pottiger]

LGTM

[JaySon-Huang]

LGTM

[JaySon-Huang]

/merge

[ti-chi-bot]

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[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 512d349

[sre-bot]

Coverage for changed files

Filename                           Regions    Missed Regions     Cover   Functions  Missed Functions  Executed       Lines      Missed Lines     Cover    Branches   Missed Branches     Cover
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Common/FailPoint.cpp                   458                53    88.43%           6                 0   100.00%          56                 4    92.86%         152                53    65.13%
Storages/Page/V3/BlobStore.cpp         561               163    70.94%          53                 1    98.11%        1135               235    79.30%         354               130    63.28%
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
TOTAL                                 1019               216    78.80%          59                 1    98.31%        1191               239    79.93%         506               183    63.83%

Coverage summary

Functions  MissedFunctions  Executed  Lines   MissedLines  Cover
18224      9786             46.30%    204136  97958        52.01%

full coverage report (for internal network access only)

[sre-bot]

Coverage for changed files

Filename                           Regions    Missed Regions     Cover   Functions  Missed Functions  Executed       Lines      Missed Lines     Cover    Branches   Missed Branches     Cover
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Common/FailPoint.cpp                   458                53    88.43%           6                 0   100.00%          56                 4    92.86%         152                53    65.13%
Storages/Page/V3/BlobStore.cpp         561               163    70.94%          53                 1    98.11%        1135               235    79.30%         354               130    63.28%
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
TOTAL                                 1019               216    78.80%          59                 1    98.31%        1191               239    79.93%         506               183    63.83%

Coverage summary

Functions  MissedFunctions  Executed  Lines   MissedLines  Cover
18224      9785             46.31%    204134  97943        52.02%

full coverage report (for internal network access only)