Mustafa ERBAY

1

16 min read

Mustafa ERBAY

Oct 17

I Cleaned 455 Articles, 474 Numbers Stayed in the English Twin

#career #content #measurement #automation

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15 min read

Mustafa ERBAY

Oct 16

If Encryption Came Later, a Factory Reset Isn't Enough

#security #mahremiyet #cihaz #macos

12 min read

Mustafa ERBAY

Oct 16

I Called MADV_FREE on 512 MiB and No Counter Came Down

#linux #kernel #bellekyonetimi #madvise

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13 min read

Mustafa ERBAY

Oct 16

I Left a Stale .gz and Nginx 1.31.7 Served Two Bodies at One URL

#nginx #gzip #caching #measurement

14 min read

Mustafa ERBAY

Oct 15

I Rewrote 167 of My 357 Fixes, 52 Within the Hour

#yazilimkariyeri #olcum #process #git

12 min read

Mustafa ERBAY

Oct 15

I Published a Reading Time 2,680 Times, 618 of Them Add Up

#blog #measurement #writing #data

14 min read

Mustafa ERBAY

Oct 15

lazytime Didn't Defer mtime but Took 12 Transactions to Zero on Reads

#linux #kernel #ext4 #dosyasistemi

13 min read

Mustafa ERBAY

Oct 14

I Filled sqlite_stat1 and Six Query Plans Did Not Change

#sqlite #database #queryplan #measurement

17 min read

Mustafa ERBAY

Oct 14

No Code Calls Nineteen of My Scripts, Nobody Calls Nine

#yazilimkariyeri #olcum #process #otomasyon

14 min read

Mustafa ERBAY

Oct 13

My Site Serves 4,008 Recommendations, Never Names 537 Posts

#olcum #blog #teknikborc #uretkenlik

9

13 min read

Mustafa ERBAY

Oct 13

rq_affinity: 0 and 1 Looked the Same, Only 2 Moved Completions

#linux #kernel #blocklayer #storage

13 min read

Mustafa ERBAY

Oct 13

I Grew a File to 5,000 Bytes, nginx Sent 100

#nginx #onbellek #performance #deploy

20 min read

Mustafa ERBAY

Oct 12

Seven Sources Return 404, Seventy-Five Changed Address

#softwarecareer #measurement #process #automation

11 min read

Mustafa ERBAY

Oct 12

I Deleted 18 Apps; 661 MiB of Data Stayed on Disk

#macos #privacy #measurement #personaldata

12

16 min read

Mustafa ERBAY

Oct 12

I Blew Past CommitLimit With 24 GiB and Nobody Stopped Me

#linux #kernel #memory #sysctl

15 min read

Mustafa ERBAY

Oct 11

Git Wrote the Graph — I Taught It to Skip 3,287 Commits

#git #performance #olcum #commitgraph

14 min read

Mustafa ERBAY

Oct 11

I Audited My Watchdogs: 1,973 Runs, 15 Lines in the Logbook

#yazilimkariyeri #otomasyon #olcum #process

13 min read

Mustafa ERBAY

Oct 11

My Mac Remembers Fifteen Days, Only 3.7 Are Documented

#macos #logging #privacy #measurement

15 min read

Mustafa ERBAY

Oct 10

I Gave the Container 64 MiB, Hugepages Took 400 MiB

#linux #kernel #cgroup #hugepages

15 min read

Mustafa ERBAY

Oct 10

wal_checkpoint Counted 15,000 Frames, Moved Zero

#sqlite #wal #database #performance

15 min read

Mustafa ERBAY

Oct 10

Seven Claims in My Recipe Get the Code Wrong

#yazilimkariyeri #olcum #otomasyon #process

13 min read

Mustafa ERBAY

Oct 9

1.19 Million Files in My Home Directory Are Outside Search

#macos #measurement #search #notes

12 min read

Mustafa ERBAY

Oct 9

I Cut Requests 31x, the IOPS Ceiling Did Not Budge

#linux #blocklayer #container #measurement

12

11 min read

Mustafa ERBAY

Oct 8

NODE_COMPILE_CACHE Halved tsc Startup, Not Type-Checking

#node #performance #v8 #olcum

5

13 min read

Mustafa ERBAY

Oct 8

I Merged Before the Review Ended, and Missed Three Findings

#yazilimkariyeri #olcum #process #cicd

13 min read

Mustafa ERBAY

Oct 8

My Bots Made 433 of the Night's Commits

#git #measurement #automation #honesty

13

12 min read

Mustafa ERBAY

Oct 7

Ten Values for tcp_adv_win_scale, One Window: 31,856 Bytes

#linux #cekirdek #network #olcum

16 min read

Mustafa ERBAY

Oct 7

I Asked for Three Lines, Git Walked 36,811 Entries

#git #olcum #performance #gitignore

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5

17 min read

Mustafa ERBAY

Oct 7

I Silenced the Conflict, Ten Records Never Came Back

#git #cicd #otomasyon #olcum

13 min read

Mustafa ERBAY

Oct 6

I Own 146 Directories and Can't Open a Single One

#macos #security #privacy #measurement

1

14 min read

Mustafa ERBAY

Oct 6

A Neighboring Container Shrank My Pipes Eightfold

#linux #cekirdek #container #olcum

15 min read

Mustafa ERBAY

Oct 5

Two Hundred MiB Fit Inside a Hundred MiB Limit

#linux #ext4 #xfs #kota

18 min read

Mustafa ERBAY

Oct 5

Thirty-Six Pairs Would Fail the Gate, All Still Live

#yazilimkariyeri #otomasyon #olcum #process

15 min read

Mustafa ERBAY

Oct 5

Eight Rows Were Blocking Sleep. None Survive a Closed Lid.

#macos #olcum #isyasam #dikkat

13 min read

Mustafa ERBAY

Oct 4

CPU Quota Does Not Look at Your Average

#linux #cgroup #container #olcum

14 min read

Mustafa ERBAY

Oct 4

I Could Not Turn On Journal Sealing; Only the Debug Log Said Why

#systemd #journald #linux #security

14 min read

Mustafa ERBAY

Oct 4

I Trust 158 Root Certificates. I Installed Three of Them

#security #certificates #macos #privacy

9

11 min read

Mustafa ERBAY

Oct 3

Forty-Four Posts in a Row From One Category, a Reader Caught It

#yazilimkariyeri #otomasyon #olcum #process

14 min read

Mustafa ERBAY

Oct 3

Who Inherits the Queue of a Closing Socket?

#linux #tcp #network #olcum

15 min read

Mustafa ERBAY

Oct 3

I Enabled casefold, and the Directory Stayed Case-Sensitive in Turkish

#ext4 #linux #unicode #dosyasistemi

18 min read

Mustafa ERBAY

Oct 2

Every New Command I Type Deletes an Older One

#zsh #macos #olcum #aliskanlik

11 min read

Mustafa ERBAY

Oct 2

I Left Sixty-Eight Backups; nginx Read Exactly One

#sistemyonetimi #nginx #systemd #olcum

13 min read

Mustafa ERBAY

Oct 2

I Tested ispmanager in Three Rounds: One Leak Fixed, Six Findings Retracted

#ispmanager #kontrolpaneli #security #phpfpm

25 min read

Mustafa ERBAY

Oct 2

My Quarantine Ledger Has 1,945 Rows and Not One Address

#macos #security #gatekeeper #karantina

14 min read

Mustafa ERBAY

Oct 1

I Have 91 Backups. None of Them Are This Machine's.

#backup #dataloss #macos #silentfailure

11 min read

Mustafa ERBAY

Oct 1

I Piled Up Seventy Branches; Six Were Really Unfinished

#git #measurement #technicaldebt #worklife

11 min read

Mustafa ERBAY

Oct 1

launchd Tried 21,881 Times. I Never Looked Once.

#macos #launchd #olcum #observability

12 min read

Mustafa ERBAY

Sep 30

I Spent 26% of the Cycles and 45% of the Capacity

#dizustu #macos #pil #olcum

14 min read

Mustafa ERBAY

Sep 30

How Much Room Is on My Disk? Five Answers, 13.5 GiB Apart

#macos #depolama #apfs #olcum

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11 min read

Mustafa ERBAY

Sep 30

I Closed Twenty Findings; the Twenty-First Was My Own Patch

#security #codeql #statikanaliz #otomasyon

12 min read

Mustafa ERBAY

Sep 29

cgroup.pressure = 0: 86 ms of Stall Went Unrecorded

#linux #kernel #cgroupv2 #psi

14 min read

Mustafa ERBAY

Sep 29

I Enabled fast_commit and It Did Nothing for 4,000 fsyncs

#ext4 #linux #fsync #filesystem

17 min read

Mustafa ERBAY

Sep 29

My Laptop Woke 76 Times This Week; 13 of Them Were Me

#macos #olcum #isyasam #otomasyon

10 min read

Mustafa ERBAY

Sep 28

I Moved the Repo; Three Scripts Still Call the Old Name

#git #cicd #otomasyon #bakim

12 min read

Mustafa ERBAY

Sep 28

wbt_lat_usec 75000: ftrace Proved Me Wrong

#linux #kernel #blocklayer #wbt

15 min read

Mustafa ERBAY

Sep 28

I Wrote nice Into autogroup and Nothing Changed

#linux #kernel #scheduler #nice

15 min read

Mustafa ERBAY

Sep 27

copytruncate: A "Very Small Time Slice" Cost 33,879 Lines

#logrotate #linux #logmanagement #sysadmin

13 min read

Mustafa ERBAY

Sep 27

I Promised My Laptop 60 GiB. It Has 14.

#cicd #selfhosting #otomasyon #isyasam