---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-4553 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 18G 61G 23% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 704 10886 3 4398 14941 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:1f:5f:dd brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.199/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80734sec preferred_lft 80734sec inet6 fe80::f816:3eff:fe1f:5fdd/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:4e:61:24:fd:ba brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-164-generic (prd-ubuntu2204-docker-4c-16g-4553) 01/26/26 _x86_64_ (4 CPU) 12:05:30 LINUX RESTART (4 CPU) 12:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:00 130.24 4.47 107.69 18.07 600.33 31627.29 248994.27 12:30:06 53.51 21.07 30.74 1.71 183.27 2009.79 2016.46 12:40:01 17.41 0.14 16.49 0.78 6.99 441.73 551.35 12:50:06 5.40 0.04 5.21 0.16 2.60 132.27 178.36 13:00:13 4.35 0.01 4.18 0.16 1.05 110.07 43.51 13:10:01 7.45 0.04 7.07 0.34 2.79 216.31 216.04 13:20:30 4.32 0.01 4.17 0.15 0.42 126.10 46.18 13:30:30 8.65 0.08 8.23 0.35 2.36 512.62 214.71 Average: 28.79 3.24 22.86 2.70 99.50 4368.63 31309.87 12:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:00 2237188 6321016 9608852 58.69 254460 3745508 11716932 67.26 2109176 11377660 77352 12:30:06 7451928 11029916 4906076 29.96 264872 3286620 6533948 37.50 2207852 6138468 3684 12:40:01 3985356 7606092 8327796 50.86 268064 3326084 9102800 52.25 2217708 9584980 196 12:50:06 7566628 11203064 4733596 28.91 268908 3340944 5382692 30.90 2221160 6010312 60 13:00:13 7681900 11331464 4605284 28.13 269752 3353252 5256232 30.17 2222984 5882880 468 13:10:01 6499860 10176684 5759948 35.18 270712 3379528 6581492 37.78 2228480 7057560 324 13:20:30 7878136 11572656 4364436 26.66 271252 3396704 5098968 29.27 2230588 5689324 112 13:30:30 7688500 11498104 4438576 27.11 274932 3503024 5119708 29.39 2246024 5857812 264 Average: 6373687 10092374 5843070 35.69 267869 3416458 6849096 39.31 2210496 7199874 10308 12:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:00 lo 13.11 13.11 12.12 12.12 0.00 0.00 0.00 0.00 12:20:00 ens3 67.68 53.41 1075.73 5.69 0.00 0.00 0.00 0.00 12:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:06 lo 39.65 39.65 19.35 19.35 0.00 0.00 0.00 0.00 12:30:06 ens3 2.14 1.93 0.48 0.43 0.00 0.00 0.00 0.00 12:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:40:01 lo 34.70 34.70 14.85 14.85 0.00 0.00 0.00 0.00 12:40:01 ens3 1.41 1.14 0.30 1.09 0.00 0.00 0.00 0.00 12:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:06 lo 17.67 17.67 8.54 8.54 0.00 0.00 0.00 0.00 12:50:06 ens3 0.80 0.56 0.17 0.13 0.00 0.00 0.00 0.00 12:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:13 lo 24.13 24.13 8.12 8.12 0.00 0.00 0.00 0.00 13:00:13 ens3 0.60 0.34 0.15 0.10 0.00 0.00 0.00 0.00 13:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 lo 19.32 19.32 11.06 11.06 0.00 0.00 0.00 0.00 13:10:01 ens3 0.81 0.68 0.17 0.14 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:30 lo 17.21 17.21 9.62 9.62 0.00 0.00 0.00 0.00 13:20:30 ens3 0.74 0.49 0.16 0.12 0.00 0.00 0.00 0.00 13:20:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:30:30 lo 14.25 14.25 7.54 7.54 0.00 0.00 0.00 0.00 13:30:30 ens3 1.05 0.82 0.32 0.25 0.00 0.00 0.00 0.00 13:30:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.49 22.49 11.39 11.39 0.00 0.00 0.00 0.00 Average: ens3 9.34 7.37 133.72 0.99 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-164-generic (prd-ubuntu2204-docker-4c-16g-4553) 01/26/26 _x86_64_ (4 CPU) 12:05:30 LINUX RESTART (4 CPU) 12:10:01 CPU %user %nice %system %iowait %steal %idle 12:20:00 all 54.26 0.00 2.46 0.88 0.10 42.30 12:20:00 0 53.53 0.00 2.51 0.68 0.11 43.17 12:20:00 1 52.28 0.00 2.55 0.94 0.10 44.12 12:20:00 2 57.01 0.00 2.42 0.58 0.10 39.89 12:20:00 3 54.20 0.00 2.36 1.31 0.10 42.04 12:30:06 all 50.44 0.00 1.81 0.10 0.11 47.54 12:30:06 0 50.43 0.00 1.82 0.11 0.11 47.53 12:30:06 1 50.55 0.00 1.71 0.14 0.11 47.49 12:30:06 2 50.93 0.00 1.87 0.12 0.11 46.96 12:30:06 3 49.83 0.00 1.84 0.03 0.11 48.19 12:40:01 all 29.93 0.00 1.17 0.05 0.12 68.74 12:40:01 0 29.22 0.00 1.14 0.10 0.11 69.43 12:40:01 1 29.88 0.00 1.20 0.05 0.12 68.75 12:40:01 2 30.54 0.00 1.14 0.02 0.11 68.19 12:40:01 3 30.07 0.00 1.21 0.04 0.12 68.57 12:50:06 all 8.83 0.00 0.49 2.44 0.11 88.14 12:50:06 0 8.47 0.00 0.51 0.06 0.11 90.86 12:50:06 1 8.80 0.00 0.54 3.32 0.11 87.24 12:50:06 2 9.00 0.00 0.51 3.15 0.11 87.23 12:50:06 3 9.03 0.00 0.42 3.22 0.10 87.22 13:00:13 all 8.12 0.00 0.48 0.02 0.09 91.29 13:00:13 0 8.48 0.00 0.43 0.05 0.08 90.96 13:00:13 1 8.08 0.00 0.49 0.01 0.09 91.33 13:00:13 2 8.29 0.00 0.52 0.00 0.09 91.10 13:00:13 3 7.61 0.00 0.49 0.01 0.10 91.79 13:10:01 all 16.00 0.00 0.60 0.04 0.10 83.27 13:10:01 0 16.35 0.00 0.59 0.05 0.09 82.92 13:10:01 1 16.03 0.00 0.67 0.04 0.09 83.16 13:10:01 2 15.98 0.00 0.59 0.03 0.10 83.30 13:10:01 3 15.64 0.00 0.56 0.03 0.10 83.67 13:20:30 all 7.79 0.00 0.38 0.02 0.10 91.71 13:20:30 0 7.59 0.00 0.35 0.00 0.10 91.96 13:20:30 1 8.12 0.00 0.40 0.02 0.10 91.36 13:20:30 2 7.61 0.00 0.42 0.02 0.10 91.84 13:20:30 3 7.86 0.00 0.33 0.02 0.09 91.69 13:30:30 all 13.18 0.00 0.55 0.04 0.09 86.14 13:30:30 0 12.80 0.00 0.50 0.02 0.08 86.61 13:30:30 1 14.35 0.00 0.58 0.11 0.10 84.86 13:30:30 2 12.61 0.00 0.61 0.02 0.09 86.67 13:30:30 3 12.97 0.00 0.50 0.01 0.10 86.42 Average: all 23.47 0.00 0.99 0.45 0.10 75.00 Average: 0 23.26 0.00 0.98 0.13 0.10 75.54 Average: 1 23.41 0.00 1.01 0.58 0.10 74.90 Average: 2 23.90 0.00 1.01 0.49 0.10 74.50 Average: 3 23.30 0.00 0.96 0.58 0.10 75.06