---> uname -a: Linux prd-queue-disttest-2c-1g-53540 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 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): 2 On-line CPU(s) list: 0,1 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): 2 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 64 KiB (2 instances) L1i cache: 64 KiB (2 instances) L2 cache: 1 MiB (2 instances) L3 cache: 32 MiB (2 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0,1 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: Vulnerable: Safe RET, no microcode Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl 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: 2 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 795M 1.1M 794M 1% /run /dev/vda1 38G 7.9G 30G 21% / tmpfs 3.9G 0 3.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda16 881M 117M 703M 15% /boot /dev/vda15 105M 6.2M 99M 6% /boot/efi tmpfs 795M 16K 795M 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 7941 712 5408 4 2109 7229 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 noprefixroute valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:36:0f:16 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.191/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81796sec preferred_lft 81796sec inet6 fe80::f816:3eff:fe36:f16/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-53540) 09/22/26 _x86_64_ (2 CPU) 13:40:44 LINUX RESTART (2 CPU) 13:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:00:03 15.05 0.45 10.75 3.86 37.00 801.78 3490.56 14:10:23 1.16 0.00 1.14 0.02 0.00 14.71 0.90 14:20:01 1.86 0.34 1.49 0.03 44.71 107.86 1.26 14:30:23 1.43 0.00 1.40 0.03 0.00 17.97 587.66 14:40:23 15.01 0.00 1.31 13.70 0.15 16.40 107378.23 14:50:00 1.20 0.00 1.20 0.01 0.00 14.70 0.62 Average: 5.96 0.13 2.89 2.94 13.40 162.16 18585.07 13:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:00:03 5646092 7469816 312072 3.84 79340 1918704 537728 5.86 469260 1706896 208 14:10:23 5661492 7485712 296188 3.64 79508 1919036 537916 5.86 469428 1707396 132 14:20:01 5588992 7452836 328308 4.04 79908 1957908 739900 8.06 487436 1736584 316 14:30:23 5603072 7467560 313520 3.86 80052 1958368 739916 8.06 487772 1737060 132 14:40:23 5609372 7474368 306688 3.77 80184 1958748 739916 8.06 487816 1737532 188 14:50:00 5609148 7474628 306364 3.77 80324 1959072 740076 8.06 487888 1738008 124 Average: 5619695 7470820 310523 3.82 79886 1945306 672575 7.33 481600 1727246 183 13:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:00:03 lo 1.38 1.38 0.09 0.09 0.00 0.00 0.00 0.00 14:00:03 ens3 16.09 12.61 47.85 5.76 0.00 0.00 0.00 0.00 14:10:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 14:10:23 ens3 1.90 0.15 0.36 0.13 0.00 0.00 0.00 0.00 14:20:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 14:20:01 ens3 2.92 0.44 3.89 0.19 0.00 0.00 0.00 0.00 14:30:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 14:30:23 ens3 3.09 0.15 0.50 0.14 0.00 0.00 0.00 0.00 14:40:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 14:40:23 ens3 0.63 0.13 0.19 0.11 0.00 0.00 0.00 0.00 14:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 14:50:00 ens3 0.33 0.06 0.08 0.04 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 4.18 2.26 8.82 1.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-53540) 09/22/26 _x86_64_ (2 CPU) 13:40:44 LINUX RESTART (2 CPU) 13:50:01 CPU %user %nice %system %iowait %steal %idle 14:00:03 all 9.31 0.00 1.12 0.26 0.01 89.31 14:00:03 0 8.21 0.00 1.14 0.24 0.01 90.40 14:00:03 1 10.42 0.00 1.09 0.27 0.01 88.22 14:10:23 all 0.23 0.00 0.08 0.01 0.00 99.68 14:10:23 0 0.27 0.00 0.07 0.02 0.00 99.64 14:10:23 1 0.19 0.00 0.08 0.00 0.00 99.73 14:20:01 all 0.43 0.00 0.12 0.02 0.00 99.43 14:20:01 0 0.60 0.00 0.09 0.04 0.00 99.26 14:20:01 1 0.25 0.00 0.15 0.01 0.01 99.59 14:30:23 all 0.26 0.00 0.15 0.01 0.00 99.57 14:30:23 0 0.45 0.00 0.13 0.02 0.00 99.39 14:30:23 1 0.08 0.00 0.18 0.00 0.00 99.74 14:40:23 all 0.24 0.00 0.09 0.04 0.00 99.63 14:40:23 0 0.43 0.00 0.06 0.02 0.00 99.50 14:40:23 1 0.05 0.00 0.13 0.06 0.00 99.76 14:50:00 all 0.26 0.00 0.07 0.01 0.00 99.65 14:50:00 0 0.48 0.00 0.05 0.01 0.00 99.45 14:50:00 1 0.05 0.00 0.09 0.01 0.00 99.86 Average: all 1.79 0.00 0.27 0.06 0.00 97.87 Average: 0 1.74 0.00 0.26 0.06 0.00 97.94 Average: 1 1.84 0.00 0.29 0.06 0.00 97.81