---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22327 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 UTC 2026 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: 5599.94 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 11G 67G 14% / 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 668 10244 4 5076 14978 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:95:b7:c0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.220/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79781sec preferred_lft 79781sec inet6 fe80::f816:3eff:fe95:b7c0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:a6:82:1b:5a:07 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-22327) 03/24/26 _x86_64_ (4 CPU) 15:54:48 LINUX RESTART (4 CPU) 16:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:10:07 2.28 0.14 2.08 0.06 23.83 36.60 2160.65 16:20:15 1.52 0.00 1.52 0.00 0.01 17.02 0.00 16:30:15 1.38 0.00 1.38 0.00 0.25 15.39 0.00 16:40:15 1.26 0.00 1.26 0.00 0.13 14.32 0.00 16:50:15 1.30 0.00 1.30 0.00 0.00 14.45 0.00 17:00:09 14.27 0.01 1.38 12.88 0.16 15.63 244890.53 17:10:10 1.16 0.00 1.16 0.00 0.00 13.24 0.00 17:20:15 32.47 2.16 29.72 0.59 130.16 2317.92 1256.39 17:30:15 14.79 2.02 11.87 0.89 130.55 2859.48 953.13 17:40:15 33.04 0.80 28.58 3.67 24.05 4473.16 5374.07 Average: 10.34 0.52 8.03 1.79 30.98 977.32 25174.87 16:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:10:07 13492324 15498268 509880 3.11 60360 2163724 1129644 6.48 367652 2242284 196 16:20:15 13492072 15498632 509540 3.11 60948 2163732 1129644 6.48 368256 2243108 12 16:30:15 13491820 15499076 509124 3.11 61428 2163944 1129644 6.48 368736 2244116 12 16:40:15 13491068 15498752 509496 3.11 61812 2163992 1129708 6.48 369116 2244884 20 16:50:15 13490312 15498476 509752 3.11 62172 2164132 1129708 6.48 369456 2245604 208 17:00:09 13483760 15497524 510652 3.12 62804 2169068 1129772 6.48 374892 2250168 16 17:10:10 13483508 15497628 510540 3.12 63148 2169072 1129772 6.48 375240 2249996 32 17:20:15 12876508 15516436 452380 2.76 105192 2719096 981192 5.63 515660 2647392 128 17:30:15 10537144 14096840 1861756 11.37 141300 3527976 2144148 12.31 738932 4691476 44384 17:40:15 8317816 13099612 2848860 17.40 183124 4612224 2885176 16.56 1074496 6477136 44976 Average: 12615633 15120124 873198 5.33 86229 2601696 1391841 7.99 492244 2953616 8998 16:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:10:07 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 16:10:07 ens3 0.25 0.09 0.05 0.02 0.00 0.00 0.00 0.00 16:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:15 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 16:20:15 ens3 0.19 0.08 0.04 0.02 0.00 0.00 0.00 0.00 16:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:30:15 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 16:30:15 ens3 0.25 0.07 0.05 0.02 0.00 0.00 0.00 0.00 16:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:40:15 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 16:40:15 ens3 0.19 0.07 0.04 0.02 0.00 0.00 0.00 0.00 16:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:50:15 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 16:50:15 ens3 0.17 0.07 0.04 0.02 0.00 0.00 0.00 0.00 16:50:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:00:09 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:00:09 ens3 0.33 0.32 0.07 0.45 0.00 0.00 0.00 0.00 17:00:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:10:10 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:10:10 ens3 0.16 0.07 0.04 0.02 0.00 0.00 0.00 0.00 17:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:20:15 lo 0.30 0.30 0.04 0.04 0.00 0.00 0.00 0.00 17:20:15 ens3 48.55 34.12 341.20 7.25 0.00 0.00 0.00 0.00 17:20:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:15 lo 1.15 1.15 0.12 0.12 0.00 0.00 0.00 0.00 17:30:15 ens3 99.30 80.68 640.36 19.97 0.00 0.00 0.00 0.00 17:30:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:40:15 lo 1693.35 1693.35 1613.61 1613.61 0.00 0.00 0.00 0.00 17:40:15 ens3 87.72 65.29 429.76 17.38 0.00 0.00 0.00 0.00 17:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 169.13 169.13 160.98 160.98 0.00 0.00 0.00 0.00 Average: ens3 23.69 18.07 141.11 4.51 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-22327) 03/24/26 _x86_64_ (4 CPU) 15:54:48 LINUX RESTART (4 CPU) 16:00:00 CPU %user %nice %system %iowait %steal %idle 16:10:07 all 0.18 0.00 0.05 0.07 0.02 99.68 16:10:07 0 0.04 0.00 0.06 0.25 0.02 99.63 16:10:07 1 0.50 0.00 0.06 0.01 0.02 99.41 16:10:07 2 0.12 0.00 0.05 0.01 0.02 99.79 16:10:07 3 0.04 0.00 0.04 0.02 0.01 99.88 16:20:15 all 0.08 0.00 0.03 0.03 0.02 99.84 16:20:15 0 0.15 0.00 0.03 0.06 0.02 99.73 16:20:15 1 0.03 0.00 0.02 0.00 0.01 99.94 16:20:15 2 0.11 0.00 0.03 0.00 0.02 99.84 16:20:15 3 0.05 0.00 0.04 0.04 0.03 99.84 16:30:15 all 0.23 0.00 0.03 0.01 0.02 99.72 16:30:15 0 0.84 0.00 0.04 0.00 0.01 99.11 16:30:15 1 0.02 0.00 0.04 0.01 0.03 99.90 16:30:15 2 0.01 0.00 0.02 0.02 0.02 99.93 16:30:15 3 0.03 0.00 0.02 0.02 0.01 99.92 16:40:15 all 0.03 0.00 0.02 0.01 0.02 99.92 16:40:15 0 0.02 0.00 0.01 0.00 0.01 99.95 16:40:15 1 0.03 0.00 0.03 0.00 0.02 99.92 16:40:15 2 0.05 0.00 0.04 0.01 0.03 99.88 16:40:15 3 0.02 0.00 0.02 0.02 0.01 99.93 16:50:15 all 0.24 0.00 0.03 0.01 0.02 99.70 16:50:15 0 0.03 0.00 0.04 0.00 0.03 99.89 16:50:15 1 0.03 0.00 0.03 0.00 0.01 99.93 16:50:15 2 0.89 0.00 0.02 0.00 0.02 99.06 16:50:15 3 0.02 0.00 0.03 0.02 0.02 99.91 17:00:09 all 0.30 0.00 0.03 0.03 0.02 99.62 17:00:09 0 0.30 0.00 0.02 0.00 0.03 99.65 17:00:09 1 0.27 0.00 0.02 0.00 0.02 99.68 17:00:09 2 0.58 0.00 0.03 0.00 0.03 99.37 17:00:09 3 0.06 0.00 0.03 0.11 0.01 99.78 17:10:10 all 0.05 0.00 0.03 0.01 0.02 99.90 17:10:10 0 0.13 0.00 0.03 0.00 0.04 99.80 17:10:10 1 0.02 0.00 0.03 0.00 0.01 99.94 17:10:10 2 0.02 0.00 0.02 0.00 0.02 99.93 17:10:10 3 0.02 0.00 0.02 0.02 0.01 99.93 17:20:15 all 2.46 0.00 0.33 0.25 0.03 96.93 17:20:15 0 2.27 0.00 0.33 0.11 0.03 97.26 17:20:15 1 3.19 0.00 0.34 0.13 0.03 96.31 17:20:15 2 2.92 0.00 0.38 0.09 0.03 96.59 17:20:15 3 1.47 0.00 0.28 0.67 0.02 97.56 17:30:15 all 57.72 0.00 1.87 0.08 0.08 40.25 17:30:15 0 56.06 0.00 1.75 0.05 0.09 42.05 17:30:15 1 59.54 0.00 2.16 0.11 0.08 38.11 17:30:15 2 56.47 0.00 1.77 0.07 0.08 41.62 17:30:15 3 58.83 0.00 1.79 0.08 0.08 39.22 17:40:15 all 69.51 0.00 2.84 0.07 0.10 27.47 17:40:15 0 69.24 0.00 3.12 0.06 0.10 27.48 17:40:15 1 70.44 0.00 2.83 0.11 0.10 26.53 17:40:15 2 66.22 0.00 2.66 0.06 0.10 30.97 17:40:15 3 72.15 0.00 2.77 0.07 0.10 24.92 Average: all 13.02 0.00 0.52 0.06 0.03 86.37 Average: 0 12.84 0.00 0.54 0.06 0.04 86.52 Average: 1 13.34 0.00 0.55 0.04 0.03 86.03 Average: 2 12.68 0.00 0.50 0.03 0.04 86.76 Average: 3 13.21 0.00 0.50 0.11 0.03 86.15