---> uname -a: Linux prd-queue-disttest-2c-1g-17229 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 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: 5600.00 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: 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 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 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 7.8G 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 698 5392 4 2146 7243 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:53:17:ec brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.40/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83475sec preferred_lft 83475sec inet6 fe80::f816:3eff:fe53:17ec/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-17229) 05/21/26 _x86_64_ (2 CPU) 00:07:53 LINUX RESTART (2 CPU) 00:10:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:20:09 15.53 13.58 1.88 0.07 152.55 44.33 6.88 00:30:09 2.22 0.26 1.92 0.04 32.08 79.95 327.69 00:40:09 1.37 0.00 1.37 0.00 0.00 15.63 0.00 00:50:08 1.38 0.00 1.38 0.00 0.00 16.15 0.00 Average: 5.12 3.46 1.64 0.03 46.17 39.02 83.66 00:10:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:20:09 5639032 7490216 288160 3.54 66700 1953244 536024 5.84 461772 1736008 1020 00:30:09 5606732 7484948 292736 3.60 67060 1979568 536116 5.84 471260 1753616 204 00:40:09 5614544 7493216 284464 3.50 67184 1979896 536284 5.84 471416 1754068 152 00:50:08 5617272 7496408 281256 3.46 67324 1980220 536284 5.84 471432 1754528 216 Average: 5619395 7491197 286654 3.52 67067 1973232 536177 5.84 468970 1749555 398 00:10:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:20:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:20:09 ens3 2.72 0.20 0.48 0.13 0.00 0.00 0.00 0.00 00:30:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:30:09 ens3 1.13 0.38 3.29 0.12 0.00 0.00 0.00 0.00 00:40:09 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:09 ens3 0.61 0.17 0.18 0.10 0.00 0.00 0.00 0.00 00:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:08 ens3 0.43 0.06 0.08 0.03 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 1.22 0.20 1.01 0.10 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-17229) 05/21/26 _x86_64_ (2 CPU) 00:07:53 LINUX RESTART (2 CPU) 00:10:09 CPU %user %nice %system %iowait %steal %idle 00:20:09 all 0.30 0.18 0.17 0.13 0.02 99.20 00:20:09 0 0.19 0.01 0.13 0.01 0.02 99.65 00:20:09 1 0.41 0.35 0.22 0.26 0.02 98.74 00:30:09 all 0.35 0.00 0.20 0.02 0.02 99.41 00:30:09 0 0.40 0.00 0.16 0.00 0.02 99.42 00:30:09 1 0.30 0.00 0.24 0.03 0.02 99.41 00:40:09 all 0.23 0.00 0.06 0.01 0.02 99.68 00:40:09 0 0.41 0.00 0.05 0.01 0.01 99.53 00:40:09 1 0.05 0.00 0.08 0.01 0.03 99.84 00:50:08 all 0.25 0.00 0.07 0.01 0.02 99.66 00:50:08 0 0.45 0.00 0.04 0.00 0.01 99.49 00:50:08 1 0.05 0.00 0.10 0.01 0.03 99.82 Average: all 0.28 0.04 0.13 0.04 0.02 99.49 Average: 0 0.36 0.00 0.09 0.00 0.01 99.52 Average: 1 0.20 0.09 0.16 0.08 0.02 99.45