---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-29834 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 634 10546 4 4808 15012 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:fd:c8:34 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.167/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81719sec preferred_lft 81719sec inet6 fe80::f816:3eff:fefd:c834/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:b8:c1:ca:a5:dd 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-29834) 03/25/26 _x86_64_ (4 CPU) 00:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:33 1.62 0.18 1.43 0.00 4.88 22.10 410.81 00:20:05 1.24 0.00 1.23 0.00 0.01 14.51 0.00 00:30:05 47.23 4.08 42.50 0.65 252.47 3909.77 433.41 00:40:05 3.75 0.07 3.50 0.18 7.05 535.80 30.16 00:50:05 19.77 0.51 17.85 1.41 18.96 2376.01 11734.56 Average: 14.70 0.97 13.29 0.45 56.63 1369.46 2522.10 00:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:33 13777068 15530932 487520 2.98 56148 1924480 1134908 6.51 201348 2156612 168 00:20:05 13776316 15530568 487716 2.98 56528 1924488 1134892 6.51 201716 2156980 208 00:30:05 10557952 13412944 2551172 15.58 111120 2919808 2899876 16.65 465520 5015976 556 00:40:05 10265420 13301188 2661924 16.26 117056 3079616 2801448 16.08 516576 5255756 29088 00:50:05 8961860 12686160 3272212 19.99 136720 3712228 3380796 19.41 735512 6291192 270736 Average: 11467723 14092358 1892109 11.56 95514 2712124 2270384 13.03 424134 4175303 60151 00:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:33 lo 0.09 0.09 0.01 0.01 0.00 0.00 0.00 0.00 00:10:33 ens3 0.29 0.09 0.06 0.02 0.00 0.00 0.00 0.00 00:10:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:20:05 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 00:20:05 ens3 0.18 0.06 0.03 0.01 0.00 0.00 0.00 0.00 00:20:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:05 lo 0.39 0.39 0.04 0.04 0.00 0.00 0.00 0.00 00:30:05 ens3 89.88 68.39 895.99 12.25 0.00 0.00 0.00 0.00 00:30:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:40:05 lo 0.60 0.60 0.38 0.38 0.00 0.00 0.00 0.00 00:40:05 ens3 13.11 9.43 37.27 3.33 0.00 0.00 0.00 0.00 00:40:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:05 lo 478.69 478.69 456.14 456.14 0.00 0.00 0.00 0.00 00:50:05 ens3 42.43 28.80 409.70 4.86 0.00 0.00 0.00 0.00 00:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 95.82 95.82 91.16 91.16 0.00 0.00 0.00 0.00 Average: ens3 29.13 21.32 268.16 4.09 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-29834) 03/25/26 _x86_64_ (4 CPU) 00:00:00 CPU %user %nice %system %iowait %steal %idle 00:10:33 all 0.18 0.00 0.02 0.01 0.02 99.77 00:10:33 0 0.01 0.00 0.02 0.00 0.01 99.96 00:10:33 1 0.01 0.00 0.01 0.01 0.01 99.95 00:10:33 2 0.68 0.00 0.03 0.01 0.03 99.26 00:10:33 3 0.01 0.00 0.02 0.03 0.02 99.91 00:20:05 all 0.22 0.00 0.02 0.01 0.02 99.74 00:20:05 0 0.01 0.00 0.01 0.00 0.01 99.97 00:20:05 1 0.03 0.00 0.02 0.00 0.02 99.93 00:20:05 2 0.81 0.00 0.03 0.01 0.03 99.13 00:20:05 3 0.02 0.00 0.02 0.03 0.01 99.92 00:30:05 all 20.07 0.00 0.79 0.30 0.04 78.80 00:30:05 0 22.38 0.00 1.02 0.46 0.04 76.09 00:30:05 1 17.80 0.00 0.61 0.54 0.04 81.02 00:30:05 2 21.47 0.00 0.86 0.14 0.05 77.47 00:30:05 3 18.61 0.00 0.65 0.08 0.04 80.62 00:40:05 all 49.16 0.00 0.72 0.03 0.07 50.01 00:40:05 0 44.46 0.00 0.64 0.04 0.07 54.79 00:40:05 1 61.16 0.00 0.77 0.01 0.08 37.99 00:40:05 2 50.16 0.00 0.76 0.02 0.07 48.98 00:40:05 3 40.90 0.00 0.71 0.05 0.07 58.27 00:50:05 all 57.84 0.00 1.31 0.10 0.08 40.66 00:50:05 0 56.72 0.00 1.32 0.07 0.08 41.81 00:50:05 1 53.97 0.00 1.26 0.08 0.08 44.60 00:50:05 2 56.37 0.00 1.36 0.17 0.07 42.02 00:50:05 3 64.33 0.00 1.30 0.09 0.08 34.19 Average: all 25.44 0.00 0.57 0.09 0.04 73.86 Average: 0 24.66 0.00 0.60 0.12 0.04 74.58 Average: 1 26.54 0.00 0.53 0.13 0.04 72.75 Average: 2 25.81 0.00 0.61 0.07 0.05 73.46 Average: 3 24.73 0.00 0.54 0.06 0.05 74.63