---> uname -a: Linux prd-queue-disttest-2c-1g-31433 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: 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: 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 729 5352 4 2154 7211 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:76:fe:15 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.216/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81532sec preferred_lft 81532sec inet6 fe80::f816:3eff:fe76:fe15/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-31433) 06/29/26 _x86_64_ (2 CPU) 00:38:57 LINUX RESTART (2 CPU) 00:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:06 7.83 0.07 7.27 0.50 6.57 1723.93 357.14 01:00:02 1.59 0.01 1.56 0.02 0.05 19.46 0.38 01:10:06 14.27 0.00 1.40 12.86 0.15 16.38 106736.42 01:20:06 1.39 0.00 1.39 0.00 0.01 15.87 0.12 01:30:06 1.60 0.00 1.59 0.02 0.00 18.95 0.25 01:40:06 1.96 0.26 1.68 0.02 32.04 76.43 0.27 01:50:06 1.35 0.00 1.33 0.01 0.00 15.61 0.96 Average: 4.30 0.05 2.32 1.93 5.55 271.73 15393.06 00:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:06 5672964 7478584 307996 3.79 63416 1918572 553512 6.03 475724 1698936 216 01:00:02 5683624 7489756 296636 3.65 63588 1918904 553520 6.03 476796 1699440 160 01:10:06 5681608 7488268 298060 3.67 63748 1919272 553544 6.03 479488 1699940 160 01:20:06 5685764 7492892 293436 3.61 63892 1919596 553700 6.03 481472 1700408 212 01:30:06 5682752 7490380 295936 3.64 64056 1919936 553700 6.03 482544 1700904 276 01:40:06 5632844 7467748 318348 3.91 64312 1946704 553700 6.03 493056 1718732 184 01:50:06 5632620 7468028 318064 3.91 64480 1947032 553764 6.03 494020 1719228 180 Average: 5667454 7482237 304068 3.74 63927 1927145 553634 6.03 483300 1705370 198 00:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:06 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 00:50:06 ens3 7.71 5.11 77.12 0.75 0.00 0.00 0.00 0.00 01:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:02 ens3 1.91 0.08 0.26 0.04 0.00 0.00 0.00 0.00 01:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:06 ens3 1.04 0.12 0.19 0.09 0.00 0.00 0.00 0.00 01:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:06 ens3 0.78 0.10 3.26 0.06 0.00 0.00 0.00 0.00 01:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 0.43 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:40:06 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:40:06 ens3 2.20 1.40 3.35 0.13 0.00 0.00 0.00 0.00 01:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:06 ens3 0.32 0.08 0.08 0.04 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 2.06 1.00 12.15 0.16 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-31433) 06/29/26 _x86_64_ (2 CPU) 00:38:57 LINUX RESTART (2 CPU) 00:40:00 CPU %user %nice %system %iowait %steal %idle 00:50:06 all 2.12 0.00 0.38 0.11 0.04 97.36 00:50:06 0 3.57 0.00 0.52 0.11 0.05 95.74 00:50:06 1 0.67 0.00 0.23 0.11 0.03 98.97 01:00:02 all 0.28 0.00 0.17 0.01 0.04 99.50 01:00:02 0 0.09 0.00 0.20 0.01 0.04 99.67 01:00:02 1 0.47 0.00 0.14 0.02 0.03 99.34 01:10:06 all 0.25 0.00 0.08 0.02 0.03 99.61 01:10:06 0 0.18 0.00 0.07 0.01 0.03 99.71 01:10:06 1 0.33 0.00 0.09 0.04 0.03 99.51 01:20:06 all 0.22 0.00 0.07 0.02 0.03 99.67 01:20:06 0 0.40 0.00 0.05 0.02 0.02 99.52 01:20:06 1 0.05 0.00 0.09 0.01 0.04 99.81 01:30:06 all 0.26 0.00 0.17 0.01 0.25 99.32 01:30:06 0 0.37 0.00 0.14 0.01 0.24 99.24 01:30:06 1 0.14 0.00 0.20 0.00 0.25 99.41 01:40:06 all 0.37 0.00 0.10 0.02 0.03 99.49 01:40:06 0 0.21 0.00 0.12 0.01 0.03 99.62 01:40:06 1 0.53 0.00 0.08 0.02 0.02 99.35 01:50:06 all 0.23 0.00 0.07 0.01 0.03 99.67 01:50:06 0 0.23 0.00 0.06 0.01 0.03 99.67 01:50:06 1 0.23 0.00 0.08 0.00 0.03 99.66 Average: all 0.53 0.00 0.15 0.03 0.06 99.23 Average: 0 0.73 0.00 0.17 0.03 0.06 99.02 Average: 1 0.34 0.00 0.13 0.03 0.06 99.44