---> uname -a: Linux prd-queue-disttest-2c-1g-26571 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 692 5442 4 2094 7249 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:60:c0:94 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.154/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82554sec preferred_lft 82554sec inet6 fe80::f816:3eff:fe60:c094/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-26571) 06/11/26 _x86_64_ (2 CPU) 01:48:42 LINUX RESTART (2 CPU) 01:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:03 3.65 0.07 3.49 0.10 6.64 1090.45 1.75 02:10:03 1.94 0.27 1.65 0.02 32.09 75.65 0.71 02:20:03 14.35 0.01 1.41 12.94 0.16 16.03 107497.81 02:30:03 1.60 0.00 1.58 0.02 0.00 19.41 0.23 02:40:03 1.30 0.00 1.30 0.00 0.00 15.64 0.00 02:50:03 1.32 0.00 1.32 0.00 0.00 15.60 0.00 Average: 4.03 0.06 1.79 2.18 6.48 205.47 17916.65 01:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:03 5692804 7499392 287152 3.53 63444 1919520 535748 5.84 464212 1700280 248 02:10:03 5661184 7494672 291476 3.58 63744 1945912 535748 5.84 473092 1717896 204 02:20:03 5674964 7508964 277204 3.41 63872 1946280 535912 5.84 473196 1718364 224 02:30:03 5672588 7507096 279060 3.43 64028 1946608 535912 5.84 473108 1718848 224 02:40:03 5672084 7507068 279080 3.43 64168 1946940 535960 5.84 473316 1719320 240 02:50:03 5671584 7507168 278968 3.43 64312 1947392 535960 5.84 473520 1719784 232 Average: 5674201 7504060 282157 3.47 63928 1942109 535873 5.84 471741 1715749 229 01:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:03 ens3 5.00 1.91 40.62 0.31 0.00 0.00 0.00 0.00 02:10:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:03 ens3 1.77 0.23 3.29 0.03 0.00 0.00 0.00 0.00 02:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:03 ens3 0.38 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:03 ens3 0.67 0.03 13.50 0.01 0.00 0.00 0.00 0.00 02:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:03 ens3 0.42 0.07 0.40 0.05 0.00 0.00 0.00 0.00 02:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:03 ens3 0.26 0.04 0.07 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 1.42 0.39 9.66 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-26571) 06/11/26 _x86_64_ (2 CPU) 01:48:42 LINUX RESTART (2 CPU) 01:50:03 CPU %user %nice %system %iowait %steal %idle 02:00:03 all 0.38 0.00 0.26 0.10 0.02 99.24 02:00:03 0 0.49 0.00 0.27 0.15 0.02 99.08 02:00:03 1 0.27 0.00 0.26 0.04 0.03 99.40 02:10:03 all 0.36 0.00 0.11 0.10 0.02 99.42 02:10:03 0 0.32 0.00 0.09 0.15 0.02 99.43 02:10:03 1 0.40 0.00 0.13 0.05 0.02 99.41 02:20:03 all 0.25 0.00 0.08 0.05 0.02 99.60 02:20:03 0 0.16 0.00 0.09 0.02 0.02 99.71 02:20:03 1 0.33 0.00 0.07 0.09 0.02 99.49 02:30:03 all 0.28 0.00 0.16 0.01 0.02 99.53 02:30:03 0 0.13 0.00 0.19 0.00 0.03 99.65 02:30:03 1 0.43 0.00 0.13 0.01 0.02 99.40 02:40:03 all 0.23 0.00 0.07 0.01 0.02 99.67 02:40:03 0 0.42 0.00 0.06 0.01 0.01 99.50 02:40:03 1 0.04 0.00 0.08 0.01 0.02 99.84 02:50:03 all 0.23 0.00 0.07 0.01 0.02 99.68 02:50:03 0 0.41 0.00 0.05 0.01 0.01 99.53 02:50:03 1 0.05 0.00 0.09 0.01 0.03 99.83 Average: all 0.29 0.00 0.13 0.05 0.02 99.52 Average: 0 0.32 0.00 0.12 0.06 0.02 99.48 Average: 1 0.25 0.00 0.13 0.03 0.02 99.56