---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-13051 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 18G 138G 12% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 754 19116 4 12221 30870 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:6d:cc:37 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.177/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84520sec preferred_lft 84520sec inet6 fe80::f816:3eff:fe6d:cc37/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:f9:91:a1:61:34 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::14f9:91ff:fea1:6134/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-13051) 05/13/26 _x86_64_ (8 CPU) 00:00:28 LINUX RESTART (8 CPU) 00:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:01 20.88 0.49 19.86 0.53 17.53 15215.85 280.31 00:30:03 60.15 2.02 41.39 16.74 311.03 10555.88 486479.27 Average: 40.55 1.26 30.64 8.65 164.51 12882.18 243764.03 00:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:01 19329916 27975852 4314732 13.13 187384 8520292 4429032 13.06 2076220 10810352 244 00:30:03 19777616 31611132 660960 2.01 233608 11515272 1301816 3.84 3119012 9132420 300 Average: 19553766 29793492 2487846 7.57 210496 10017782 2865424 8.45 2597616 9971386 272 00:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:01 lo 204.28 204.28 200.18 200.18 0.00 0.00 0.00 0.00 00:20:01 ens3 56.69 48.28 319.72 12.91 0.00 0.00 0.00 0.00 00:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:03 lo 15.10 15.10 1.68 1.68 0.00 0.00 0.00 0.00 00:30:03 ens3 173.52 186.19 332.31 2728.82 0.00 0.00 0.00 0.00 00:30:03 docker0 88.98 87.03 1372.58 161.16 0.00 0.00 0.00 0.00 Average: lo 109.54 109.54 100.77 100.77 0.00 0.00 0.00 0.00 Average: ens3 115.20 117.34 326.02 1373.01 0.00 0.00 0.00 0.00 Average: docker0 44.56 43.59 687.37 80.71 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-8c-8g-13051) 05/13/26 _x86_64_ (8 CPU) 00:00:28 LINUX RESTART (8 CPU) 00:10:01 CPU %user %nice %system %iowait %steal %idle 00:20:01 all 27.44 0.00 1.26 0.14 0.06 71.11 00:20:01 0 25.98 0.00 0.97 0.14 0.06 72.85 00:20:01 1 23.04 0.00 1.19 0.19 0.06 75.52 00:20:01 2 26.75 0.00 1.31 0.16 0.06 71.72 00:20:01 3 31.17 0.00 1.66 0.18 0.07 66.92 00:20:01 4 28.24 0.00 1.39 0.31 0.06 70.00 00:20:01 5 26.72 0.00 1.28 0.06 0.06 71.87 00:20:01 6 20.52 0.00 1.10 0.03 0.06 78.30 00:20:01 7 37.07 0.00 1.16 0.01 0.06 61.70 00:30:03 all 10.18 0.00 1.06 0.19 0.04 88.53 00:30:03 0 14.20 0.00 1.50 0.07 0.05 84.17 00:30:03 1 9.65 0.00 1.45 0.15 0.04 88.70 00:30:03 2 9.62 0.00 0.99 0.35 0.04 88.99 00:30:03 3 8.80 0.00 0.79 0.31 0.04 90.06 00:30:03 4 10.08 0.00 0.94 0.27 0.04 88.68 00:30:03 5 8.42 0.00 0.67 0.12 0.04 90.76 00:30:03 6 9.89 0.00 0.70 0.03 0.04 89.34 00:30:03 7 10.77 0.00 1.46 0.19 0.05 87.53 Average: all 18.79 0.00 1.16 0.16 0.05 79.84 Average: 0 20.08 0.00 1.24 0.10 0.05 78.52 Average: 1 16.33 0.00 1.32 0.17 0.05 82.12 Average: 2 18.17 0.00 1.15 0.26 0.05 80.37 Average: 3 19.97 0.00 1.22 0.24 0.05 78.51 Average: 4 19.14 0.00 1.17 0.29 0.05 79.36 Average: 5 17.55 0.00 0.98 0.09 0.05 81.34 Average: 6 15.20 0.00 0.90 0.03 0.05 83.83 Average: 7 23.89 0.00 1.31 0.10 0.06 74.64