---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26441 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 13G 66G 16% / 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 653 8315 4 7020 14992 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:fc:65:09 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.79/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84444sec preferred_lft 84444sec inet6 fe80::f816:3eff:fefc:6509/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:4a:c0:c8:0f:de 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::5c4a:c0ff:fec8:fde/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-26441) 06/10/26 _x86_64_ (4 CPU) 12:20:39 LINUX RESTART (4 CPU) 12:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:40:07 9.26 0.10 7.92 1.24 3.98 681.65 19747.06 12:50:07 73.84 1.91 67.30 4.63 306.88 11098.05 19960.99 Average: 41.40 1.00 37.47 2.93 154.71 5865.06 19853.51 12:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:40:07 8813892 13088448 2866184 17.51 147736 4212816 3174800 18.22 890400 6235512 299336 12:50:07 8554292 15378176 561668 3.43 190848 6590168 1294588 7.43 1923688 5296756 112 Average: 8684092 14233312 1713926 10.47 169292 5401492 2234694 12.83 1407044 5766134 149724 12:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:40:07 lo 122.56 122.56 82.30 82.30 0.00 0.00 0.00 0.00 12:40:07 ens3 26.58 17.22 233.96 2.73 0.00 0.00 0.00 0.00 12:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:07 lo 2328.29 2328.29 2245.67 2245.67 0.00 0.00 0.00 0.00 12:50:07 ens3 79.88 75.24 557.62 575.83 0.00 0.00 0.00 0.00 12:50:07 docker0 36.49 34.76 566.02 155.05 0.00 0.00 0.00 0.00 12:50:07 vethb9dd2ca 31.05 28.29 566.11 3.86 0.00 0.00 0.00 0.05 Average: lo 1220.17 1220.17 1158.83 1158.83 0.00 0.00 0.00 0.00 Average: ens3 53.10 46.09 395.02 287.92 0.00 0.00 0.00 0.00 Average: docker0 18.16 17.30 281.66 77.16 0.00 0.00 0.00 0.00 Average: vethb9dd2ca 15.45 14.08 281.71 1.92 0.00 0.00 0.00 0.02 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-26441) 06/10/26 _x86_64_ (4 CPU) 12:20:39 LINUX RESTART (4 CPU) 12:30:01 CPU %user %nice %system %iowait %steal %idle 12:40:07 all 18.45 0.00 0.87 0.06 0.08 80.55 12:40:07 0 18.04 0.00 0.96 0.04 0.08 80.88 12:40:07 1 17.85 0.00 0.92 0.02 0.08 81.12 12:40:07 2 18.67 0.00 0.82 0.03 0.08 80.40 12:40:07 3 19.22 0.00 0.78 0.13 0.08 79.80 12:50:07 all 50.11 0.00 3.17 0.48 0.09 46.15 12:50:07 0 46.86 0.00 3.09 0.42 0.08 49.54 12:50:07 1 51.04 0.00 3.02 0.84 0.09 45.01 12:50:07 2 50.85 0.00 3.57 0.37 0.09 45.13 12:50:07 3 51.68 0.00 3.01 0.29 0.09 44.93 Average: all 34.19 0.00 2.01 0.27 0.08 63.44 Average: 0 32.37 0.00 2.02 0.23 0.08 65.30 Average: 1 34.36 0.00 1.96 0.43 0.08 63.17 Average: 2 34.68 0.00 2.18 0.20 0.08 62.85 Average: 3 35.37 0.00 1.89 0.21 0.08 62.45