---> uname -a: Linux prd-queue-disttest-2c-1g-39043 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: 5599.86 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 694 5432 4 2102 7247 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:b4:15:9d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.17/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82576sec preferred_lft 82576sec inet6 fe80::f816:3eff:feb4:159d/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-39043) 07/26/26 _x86_64_ (2 CPU) 02:28:42 LINUX RESTART (2 CPU) 02:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:40:01 3.31 0.03 3.20 0.08 1.40 1049.51 1.66 02:50:01 1.49 0.02 1.45 0.02 0.65 17.45 1.13 03:00:01 1.54 0.00 1.51 0.03 0.00 18.87 1.43 03:10:29 14.33 0.25 1.70 12.38 29.75 75.11 102739.24 03:20:01 1.41 0.01 1.40 0.01 1.12 16.31 0.06 03:30:01 1.50 0.00 1.48 0.02 0.00 18.41 0.23 Average: 4.03 0.05 1.79 2.18 5.71 200.04 17913.48 02:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:40:01 5681468 7498188 287860 3.54 63588 1929020 529192 5.76 465360 1709196 244 02:50:01 5676608 7494040 291724 3.59 63792 1929528 529200 5.76 465444 1709788 160 03:00:01 5686412 7504364 281340 3.46 63988 1929860 529224 5.76 465748 1710308 204 03:10:29 5631388 7476496 308920 3.80 64268 1956492 738052 8.04 480304 1728436 124 03:20:01 5653596 7499504 285900 3.52 64412 1957136 529380 5.77 474844 1728912 156 03:30:01 5651376 7497892 287412 3.53 64548 1957584 529380 5.77 475112 1729368 128 Average: 5663475 7495081 290526 3.57 64099 1943270 564071 6.14 471135 1719335 169 02:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 3.30 0.32 0.83 0.23 0.00 0.00 0.00 0.00 02:50:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 1.48 0.10 0.18 0.04 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.53 0.07 0.10 0.06 0.00 0.00 0.00 0.00 03:10:29 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:10:29 ens3 0.54 0.22 3.09 0.03 0.00 0.00 0.00 0.00 03:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:01 ens3 0.34 0.05 0.17 0.02 0.00 0.00 0.00 0.00 03:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:01 ens3 0.37 0.08 0.11 0.06 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 1.10 0.14 0.77 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-39043) 07/26/26 _x86_64_ (2 CPU) 02:28:42 LINUX RESTART (2 CPU) 02:30:00 CPU %user %nice %system %iowait %steal %idle 02:40:01 all 0.35 0.00 0.13 0.03 0.04 99.45 02:40:01 0 0.50 0.00 0.11 0.01 0.03 99.35 02:40:01 1 0.20 0.00 0.15 0.05 0.05 99.55 02:50:01 all 0.29 0.00 0.09 0.01 0.04 99.58 02:50:01 0 0.47 0.00 0.05 0.01 0.02 99.44 02:50:01 1 0.10 0.00 0.12 0.00 0.06 99.72 03:00:01 all 0.29 0.00 0.15 0.01 0.04 99.52 03:00:01 0 0.28 0.00 0.15 0.00 0.04 99.52 03:00:01 1 0.29 0.00 0.15 0.01 0.04 99.51 03:10:29 all 0.36 0.00 0.09 0.05 0.02 99.48 03:10:29 0 0.15 0.00 0.08 0.01 0.03 99.74 03:10:29 1 0.56 0.00 0.10 0.09 0.02 99.23 03:20:01 all 0.22 0.00 0.06 0.00 0.03 99.69 03:20:01 0 0.11 0.00 0.07 0.01 0.03 99.78 03:20:01 1 0.34 0.00 0.04 0.00 0.02 99.60 03:30:01 all 0.24 0.00 0.16 0.01 0.04 99.57 03:30:01 0 0.31 0.00 0.15 0.01 0.03 99.50 03:30:01 1 0.16 0.00 0.16 0.01 0.04 99.63 Average: all 0.29 0.00 0.11 0.02 0.03 99.55 Average: 0 0.30 0.00 0.10 0.01 0.03 99.56 Average: 1 0.28 0.00 0.12 0.03 0.04 99.54