---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1414 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 11G 68G 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 694 10470 4 4824 14952 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:d4:b5:72 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.22/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84013sec preferred_lft 84013sec inet6 fe80::f816:3eff:fed4:b572/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:84:a4:ec:65:0c 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-1414) 08/02/26 _x86_64_ (4 CPU) 02:13:26 LINUX RESTART (4 CPU) 02:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:30:01 7.18 1.89 5.15 0.14 122.62 1385.63 407.23 02:40:01 11.48 0.48 9.87 1.13 18.89 2336.49 2820.37 02:50:01 28.08 0.58 23.23 4.27 22.33 3822.43 6024.13 Average: 15.58 0.98 12.75 1.85 54.59 2515.10 3084.56 02:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:30:01 11029780 13957292 2006416 12.25 116188 2972716 2433968 13.97 471924 4538084 24960 02:40:01 10066196 13682444 2274876 13.89 147120 3561300 2609216 14.98 644868 5237080 22032 02:50:01 10798788 15378540 572644 3.50 173344 4435968 1108144 6.36 899604 4177504 200 Average: 10631588 14339425 1617979 9.88 145551 3656661 2050443 11.77 672132 4650889 15731 02:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:30:01 lo 0.27 0.27 0.02 0.02 0.00 0.00 0.00 0.00 02:30:01 ens3 61.91 50.78 717.17 7.76 0.00 0.00 0.00 0.00 02:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:40:01 lo 1.43 1.43 0.14 0.14 0.00 0.00 0.00 0.00 02:40:01 ens3 85.83 62.61 107.98 25.31 0.00 0.00 0.00 0.00 02:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 02:50:01 lo 1784.55 1784.55 1693.67 1693.67 0.00 0.00 0.00 0.00 02:50:01 ens3 96.03 81.57 407.29 95.79 0.00 0.00 0.00 0.00 02:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 595.42 595.42 564.61 564.61 0.00 0.00 0.00 0.00 Average: ens3 81.26 64.99 410.65 42.96 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-1414) 08/02/26 _x86_64_ (4 CPU) 02:13:26 LINUX RESTART (4 CPU) 02:20:01 CPU %user %nice %system %iowait %steal %idle 02:30:01 all 12.71 0.00 0.45 0.03 0.03 86.77 02:30:01 0 12.55 0.00 0.65 0.05 0.03 86.73 02:30:01 1 13.71 0.00 0.40 0.05 0.04 85.79 02:30:01 2 12.06 0.00 0.41 0.02 0.03 87.47 02:30:01 3 12.53 0.00 0.32 0.02 0.04 87.10 02:40:01 all 72.92 0.00 2.22 0.03 0.11 24.72 02:40:01 0 72.80 0.00 2.25 0.03 0.11 24.80 02:40:01 1 71.17 0.00 2.49 0.03 0.11 26.21 02:40:01 2 75.56 0.00 2.25 0.01 0.10 22.08 02:40:01 3 72.16 0.00 1.91 0.03 0.10 25.80 02:50:01 all 46.11 0.00 2.14 0.19 0.08 51.48 02:50:01 0 44.73 0.00 1.98 0.21 0.08 53.00 02:50:01 1 41.55 0.00 2.12 0.17 0.08 56.08 02:50:01 2 51.92 0.00 2.14 0.09 0.08 45.76 02:50:01 3 46.22 0.00 2.33 0.31 0.08 51.06 Average: all 43.88 0.00 1.60 0.08 0.07 54.36 Average: 0 43.35 0.00 1.63 0.09 0.07 54.85 Average: 1 42.08 0.00 1.67 0.08 0.08 56.10 Average: 2 46.48 0.00 1.60 0.04 0.07 51.80 Average: 3 43.62 0.00 1.52 0.12 0.07 54.67