---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-18522 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: 5599.99 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 60G 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 706 10295 3 4987 14940 Swap: 1023 18 1005 ---> 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:d8:89:49 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.135/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80627sec preferred_lft 80627sec inet6 fe80::f816:3eff:fed8:8949/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether b6:e6:4b:02:49:ff 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 inet6 fe80::b4e6:4bff:fe02:49ff/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-18522) 03/23/26 _x86_64_ (4 CPU) 19:34:21 LINUX RESTART (4 CPU) 19:40:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:50:01 97.36 23.68 70.38 3.30 359.06 12865.99 3667.16 20:00:01 24.55 3.15 20.35 1.05 41.01 614.88 1042.72 20:10:11 19.52 0.15 18.48 0.88 3.63 790.80 599.67 20:20:12 10.08 0.06 9.60 0.42 1.48 283.54 343.89 20:30:01 5.71 0.04 5.49 0.19 0.68 145.90 69.47 20:40:12 7.73 0.02 7.37 0.34 2.32 237.93 122.41 20:50:12 20.81 0.14 5.18 15.49 1.84 154.14 210300.59 21:00:01 9.48 0.04 9.04 0.40 4.04 569.19 318.78 21:10:28 12.14 2.96 8.31 0.87 114.16 1267.47 348.35 Average: 22.92 3.33 17.04 2.54 58.59 1865.05 24026.54 19:40:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:50:01 6651732 11375252 4550916 27.80 265332 4357120 5378120 30.87 2230068 6813764 2260 20:00:01 3352508 7310148 8618712 52.64 267328 3638748 9424292 54.10 2278196 10127512 656 20:10:11 9548216 13644036 2287868 13.97 272924 3770340 3024240 17.36 2319256 3896860 5072 20:20:12 7261476 11389952 4542540 27.74 274476 3801452 5305468 30.45 2322884 6193864 308 20:30:01 7236136 11381036 4551284 27.80 275132 3817212 5278072 30.30 2324372 6208068 240 20:40:12 6006284 10185488 5746476 35.10 275896 3850752 6684428 38.37 2329812 7440368 324 20:50:12 7360760 11567176 4365504 26.66 278500 3875360 5186940 29.77 2338832 6064460 324 21:00:01 7032236 11365620 4566712 27.89 282632 3992688 5250132 30.14 2353600 6383872 288 21:10:28 10552392 15274696 658928 4.02 286740 4369904 1324348 7.60 2411724 2799812 11520 Average: 7222416 11499267 4432104 27.07 275440 3941508 5206227 29.88 2323194 6214287 2332 19:40:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:50:01 lo 17.58 17.58 15.61 15.61 0.00 0.00 0.00 0.00 19:50:01 ens3 44.17 33.72 649.23 3.37 0.00 0.00 0.00 0.00 19:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:01 lo 44.16 44.16 20.16 20.16 0.00 0.00 0.00 0.00 20:00:01 ens3 2.31 2.35 0.47 1.38 0.00 0.00 0.00 0.00 20:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:10:11 lo 26.26 26.26 10.54 10.54 0.00 0.00 0.00 0.00 20:10:11 ens3 1.83 1.00 0.40 0.29 0.00 0.00 0.00 0.00 20:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:20:12 lo 19.10 19.10 10.03 10.03 0.00 0.00 0.00 0.00 20:20:12 ens3 0.93 0.66 0.19 0.15 0.00 0.00 0.00 0.00 20:20:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:30:01 lo 26.78 26.78 9.72 9.72 0.00 0.00 0.00 0.00 20:30:01 ens3 0.78 0.42 0.15 0.10 0.00 0.00 0.00 0.00 20:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:40:12 lo 21.32 21.32 11.46 11.46 0.00 0.00 0.00 0.00 20:40:12 ens3 1.15 0.63 0.25 0.17 0.00 0.00 0.00 0.00 20:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:12 lo 18.21 18.21 10.19 10.19 0.00 0.00 0.00 0.00 20:50:12 ens3 0.72 0.50 0.14 0.10 0.00 0.00 0.00 0.00 20:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:01 lo 13.67 13.67 7.29 7.29 0.00 0.00 0.00 0.00 21:00:01 ens3 0.86 0.68 0.24 0.19 0.00 0.00 0.00 0.00 21:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:10:28 lo 31.25 31.25 12.06 12.06 0.00 0.00 0.00 0.00 21:10:28 ens3 3.13 2.60 1.90 1.12 0.00 0.00 0.00 0.00 21:10:28 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 24.31 24.31 11.90 11.90 0.00 0.00 0.00 0.00 Average: ens3 6.15 4.68 71.49 0.76 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-16g-18522) 03/23/26 _x86_64_ (4 CPU) 19:34:21 LINUX RESTART (4 CPU) 19:40:08 CPU %user %nice %system %iowait %steal %idle 19:50:01 all 49.49 0.00 1.92 0.21 0.09 48.29 19:50:01 0 49.88 0.00 1.98 0.44 0.08 47.62 19:50:01 1 50.64 0.00 1.83 0.10 0.09 47.35 19:50:01 2 49.61 0.00 1.92 0.14 0.09 48.24 19:50:01 3 47.83 0.00 1.95 0.17 0.09 49.95 20:00:01 all 44.49 0.00 1.69 0.08 0.10 53.64 20:00:01 0 43.95 0.00 1.79 0.16 0.10 54.00 20:00:01 1 44.29 0.00 1.68 0.05 0.10 53.88 20:00:01 2 44.82 0.00 1.81 0.07 0.10 53.20 20:00:01 3 44.91 0.00 1.49 0.05 0.10 53.46 20:10:11 all 30.03 0.00 1.12 0.07 0.11 68.68 20:10:11 0 30.04 0.00 1.16 0.05 0.10 68.64 20:10:11 1 30.22 0.00 1.13 0.04 0.11 68.50 20:10:11 2 29.24 0.00 1.17 0.05 0.11 69.43 20:10:11 3 30.60 0.00 1.03 0.12 0.11 68.14 20:20:12 all 17.71 0.00 0.69 0.03 0.09 81.48 20:20:12 0 17.83 0.00 0.59 0.03 0.09 81.46 20:20:12 1 18.21 0.00 0.72 0.01 0.09 80.97 20:20:12 2 17.38 0.00 0.67 0.02 0.09 81.83 20:20:12 3 17.42 0.00 0.77 0.05 0.10 81.67 20:30:01 all 8.99 0.00 0.52 0.02 0.09 90.38 20:30:01 0 9.02 0.00 0.57 0.04 0.08 90.29 20:30:01 1 9.22 0.00 0.49 0.03 0.09 90.17 20:30:01 2 8.92 0.00 0.51 0.01 0.09 90.46 20:30:01 3 8.80 0.00 0.52 0.02 0.09 90.57 20:40:12 all 15.69 0.00 0.59 0.03 0.09 83.59 20:40:12 0 15.44 0.00 0.67 0.04 0.09 83.76 20:40:12 1 15.10 0.00 0.57 0.04 0.09 84.20 20:40:12 2 16.07 0.00 0.63 0.01 0.10 83.19 20:40:12 3 16.17 0.00 0.49 0.03 0.09 83.22 20:50:12 all 8.74 0.00 0.44 0.05 0.09 90.68 20:50:12 0 8.59 0.00 0.48 0.11 0.08 90.74 20:50:12 1 8.60 0.00 0.44 0.01 0.09 90.86 20:50:12 2 9.24 0.00 0.49 0.06 0.09 90.12 20:50:12 3 8.55 0.00 0.37 0.01 0.09 90.98 21:00:01 all 13.79 0.00 0.51 0.04 0.09 85.57 21:00:01 0 13.55 0.00 0.50 0.01 0.09 85.85 21:00:01 1 13.85 0.00 0.52 0.02 0.09 85.52 21:00:01 2 13.83 0.00 0.42 0.06 0.09 85.60 21:00:01 3 13.92 0.00 0.60 0.08 0.08 85.32 21:10:28 all 12.14 0.00 0.60 0.11 0.09 87.06 21:10:28 0 11.56 0.00 0.68 0.06 0.09 87.61 21:10:28 1 10.85 0.00 0.52 0.24 0.09 88.29 21:10:28 2 13.74 0.00 0.64 0.08 0.09 85.44 21:10:28 3 12.41 0.00 0.55 0.04 0.09 86.91 Average: all 22.29 0.00 0.90 0.07 0.09 76.65 Average: 0 22.16 0.00 0.94 0.10 0.09 76.72 Average: 1 22.27 0.00 0.88 0.06 0.09 76.70 Average: 2 22.50 0.00 0.92 0.06 0.09 76.44 Average: 3 22.25 0.00 0.86 0.06 0.09 76.74