---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-3461 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): 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 1062 19779 4 11249 30562 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:f7:d5:8a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.87/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84686sec preferred_lft 84686sec inet6 fe80::f816:3eff:fef7:d58a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:bc:d2:e9:0e:ee 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-8c-8g-3461) 03/20/26 _x86_64_ (8 CPU) 10:34:21 LINUX RESTART (8 CPU) 10:40:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:05 42.17 0.78 20.69 20.70 19.72 4990.91 492670.77 11:00:05 9.79 0.04 8.49 1.26 5.87 1508.16 1159.15 Average: 25.98 0.41 14.59 10.98 12.79 3249.53 246914.96 10:40:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:05 17019704 25785464 6460316 19.66 466992 7846288 10553996 31.12 1485012 13154700 3312 11:00:05 17311268 26484948 5757100 17.52 473876 8221368 13106808 38.65 1563812 12757624 9316 Average: 17165486 26135206 6108708 18.59 470434 8033828 11830402 34.89 1524412 12956162 6314 10:40:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:05 lo 5.59 5.59 1.74 1.74 0.00 0.00 0.00 0.00 10:50:05 ens3 260.67 160.33 434.32 69.62 0.00 0.00 0.00 0.00 10:50:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:05 lo 2.56 2.56 0.29 0.29 0.00 0.00 0.00 0.00 11:00:05 ens3 135.54 72.98 108.23 39.44 0.00 0.00 0.00 0.00 11:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 4.07 4.07 1.01 1.01 0.00 0.00 0.00 0.00 Average: ens3 198.10 116.65 271.27 54.53 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-8c-8g-3461) 03/20/26 _x86_64_ (8 CPU) 10:34:21 LINUX RESTART (8 CPU) 10:40:05 CPU %user %nice %system %iowait %steal %idle 10:50:05 all 84.32 0.00 2.80 0.01 0.13 12.74 10:50:05 0 83.01 0.00 2.77 0.01 0.14 14.08 10:50:05 1 87.60 0.00 2.65 0.02 0.13 9.59 10:50:05 2 85.28 0.00 2.77 0.01 0.14 11.80 10:50:05 3 85.44 0.00 3.08 0.01 0.13 11.34 10:50:05 4 84.24 0.00 2.77 0.02 0.13 12.84 10:50:05 5 84.09 0.00 2.58 0.00 0.13 13.20 10:50:05 6 83.73 0.00 2.95 0.01 0.13 13.18 10:50:05 7 81.14 0.00 2.85 0.01 0.14 15.87 11:00:05 all 96.92 0.00 2.92 0.00 0.13 0.04 11:00:05 0 97.07 0.00 2.77 0.00 0.13 0.03 11:00:05 1 96.77 0.00 3.05 0.00 0.13 0.05 11:00:05 2 97.13 0.00 2.71 0.00 0.13 0.03 11:00:05 3 96.91 0.00 2.92 0.00 0.13 0.04 11:00:05 4 96.87 0.00 2.97 0.00 0.13 0.03 11:00:05 5 96.84 0.00 2.99 0.00 0.13 0.05 11:00:05 6 96.89 0.00 2.95 0.00 0.13 0.03 11:00:05 7 96.87 0.00 2.96 0.00 0.13 0.03 Average: all 90.62 0.00 2.86 0.01 0.13 6.38 Average: 0 90.05 0.00 2.77 0.00 0.13 7.05 Average: 1 92.19 0.00 2.85 0.01 0.13 4.82 Average: 2 91.21 0.00 2.74 0.01 0.14 5.91 Average: 3 91.18 0.00 3.00 0.00 0.13 5.69 Average: 4 90.56 0.00 2.87 0.01 0.13 6.43 Average: 5 90.47 0.00 2.78 0.00 0.13 6.62 Average: 6 90.32 0.00 2.95 0.00 0.13 6.60 Average: 7 89.01 0.00 2.91 0.01 0.13 7.95