---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-29514 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 716 11184 4 4088 14930 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:43:28:66 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.251/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80076sec preferred_lft 80076sec inet6 fe80::f816:3eff:fe43:2866/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 4e:c3:f4:17:d7:df 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::4cc3:f4ff:fe17:d7df/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-29514) 03/25/26 _x86_64_ (4 CPU) 00:00:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:07 30.46 0.37 14.14 15.96 12.53 392.88 209711.53 00:20:07 5.35 0.01 5.17 0.17 0.27 130.61 70.22 00:30:06 4.98 0.02 4.77 0.19 1.28 133.24 59.56 00:40:06 5.15 0.01 4.96 0.19 0.64 142.56 70.65 00:50:25 5.03 0.01 4.86 0.15 0.92 138.06 52.81 01:00:25 9.33 0.03 8.90 0.39 4.13 554.27 270.14 Average: 10.03 0.07 7.12 2.83 3.28 248.13 34895.57 00:00:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:07 8263584 11473812 4463216 27.26 279708 2939804 5263424 30.21 2255880 5320268 244 00:20:07 8205976 11430680 4506304 27.52 280428 2953536 5246536 30.12 2257124 5376968 72 00:30:06 6624140 9865736 6070376 37.08 280856 2970004 6850160 39.32 2259352 6937968 712 00:40:06 6701936 9961460 5974708 36.49 281288 2987492 6710396 38.52 2262592 6865956 208 00:50:25 8059028 11337608 4599364 28.09 281880 3005956 5359948 30.77 2265104 5510636 296 01:00:25 7811732 11212548 4724452 28.86 286016 3122420 5304524 30.45 2280340 5731892 232 Average: 7611066 10880307 5056403 30.88 281696 2996535 5789165 33.23 2263399 5957281 294 00:00:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:07 lo 19.20 19.20 9.88 9.88 0.00 0.00 0.00 0.00 00:10:07 ens3 0.87 0.66 0.17 0.13 0.00 0.00 0.00 0.00 00:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:20:07 lo 21.03 21.03 8.69 8.69 0.00 0.00 0.00 0.00 00:20:07 ens3 0.65 0.50 0.14 0.10 0.00 0.00 0.00 0.00 00:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:06 lo 20.43 20.43 8.63 8.63 0.00 0.00 0.00 0.00 00:30:06 ens3 0.75 0.36 0.19 0.12 0.00 0.00 0.00 0.00 00:30:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:40:06 lo 18.98 18.98 10.02 10.02 0.00 0.00 0.00 0.00 00:40:06 ens3 2.39 0.73 0.53 0.28 0.00 0.00 0.00 0.00 00:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:25 lo 11.48 11.48 6.48 6.48 0.00 0.00 0.00 0.00 00:50:25 ens3 2.70 0.47 0.40 0.13 0.00 0.00 0.00 0.00 00:50:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 01:00:25 lo 21.20 21.20 10.25 10.25 0.00 0.00 0.00 0.00 01:00:25 ens3 1.49 0.83 0.30 0.22 0.00 0.00 0.00 0.00 01:00:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 18.68 18.68 8.98 8.98 0.00 0.00 0.00 0.00 Average: ens3 1.48 0.59 0.29 0.17 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-29514) 03/25/26 _x86_64_ (4 CPU) 00:00:06 CPU %user %nice %system %iowait %steal %idle 00:10:07 all 26.10 0.00 0.93 0.07 0.09 72.80 00:10:07 0 26.90 0.00 1.13 0.05 0.09 71.83 00:10:07 1 25.39 0.00 0.82 0.06 0.09 73.63 00:10:07 2 25.97 0.00 0.82 0.07 0.10 73.04 00:10:07 3 26.16 0.00 0.95 0.08 0.09 72.71 00:20:07 all 9.35 0.00 0.45 0.03 0.09 90.08 00:20:07 0 9.47 0.00 0.55 0.04 0.10 89.85 00:20:07 1 8.93 0.00 0.37 0.02 0.09 90.59 00:20:07 2 9.69 0.00 0.52 0.03 0.10 89.67 00:20:07 3 9.33 0.00 0.36 0.02 0.09 90.20 00:30:06 all 10.13 0.00 0.45 0.02 0.09 89.31 00:30:06 0 9.67 0.00 0.41 0.01 0.09 89.82 00:30:06 1 10.33 0.00 0.49 0.01 0.09 89.08 00:30:06 2 10.27 0.00 0.54 0.03 0.11 89.05 00:30:06 3 10.24 0.00 0.36 0.02 0.09 89.29 00:40:06 all 10.92 0.00 0.58 0.02 0.10 88.38 00:40:06 0 11.21 0.00 0.58 0.01 0.09 88.11 00:40:06 1 10.82 0.00 0.63 0.02 0.11 88.42 00:40:06 2 10.99 0.00 0.56 0.04 0.11 88.31 00:40:06 3 10.66 0.00 0.54 0.02 0.10 88.68 00:50:25 all 7.72 0.00 0.52 0.02 0.10 91.63 00:50:25 0 7.77 0.00 0.56 0.00 0.09 91.57 00:50:25 1 7.42 0.00 0.48 0.03 0.10 91.97 00:50:25 2 7.88 0.00 0.57 0.05 0.11 91.40 00:50:25 3 7.82 0.00 0.47 0.01 0.10 91.60 01:00:25 all 14.74 0.00 0.62 0.04 0.10 84.50 01:00:25 0 15.38 0.00 0.66 0.02 0.09 83.85 01:00:25 1 15.13 0.00 0.65 0.08 0.10 84.04 01:00:25 2 13.58 0.00 0.59 0.01 0.10 85.73 01:00:25 3 14.88 0.00 0.59 0.04 0.09 84.40 Average: all 13.13 0.00 0.59 0.03 0.10 86.15 Average: 0 13.37 0.00 0.65 0.02 0.09 85.87 Average: 1 12.97 0.00 0.57 0.04 0.10 86.32 Average: 2 13.04 0.00 0.60 0.04 0.10 86.22 Average: 3 13.15 0.00 0.55 0.03 0.09 86.18