---> uname -a: Linux prd-queue-disttest-2c-1g-17266 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 690 5453 4 2084 7251 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:78:c9:2e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.84/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82412sec preferred_lft 82412sec inet6 fe80::f816:3eff:fe78:c92e/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-17266) 05/21/26 _x86_64_ (2 CPU) 00:58:47 LINUX RESTART (2 CPU) 01:00:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:10:03 7.01 0.07 6.62 0.32 6.73 1536.91 300.34 01:20:01 1.41 0.01 1.39 0.02 0.07 16.60 1.20 01:30:27 14.51 0.25 1.81 12.44 30.85 75.37 103061.74 01:40:03 1.23 0.00 1.21 0.02 0.00 15.16 1.29 01:50:03 1.20 0.00 1.18 0.02 0.00 14.95 1.21 02:00:03 1.41 0.00 1.37 0.03 0.00 17.63 1.37 Average: 4.55 0.06 2.26 2.24 6.50 277.09 18012.68 01:00:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:10:03 5709848 7505200 281988 3.47 63000 1909336 521952 5.69 460388 1688464 224 01:20:01 5709848 7505752 281260 3.46 63216 1909676 522096 5.69 460360 1689020 160 01:30:27 5663132 7485992 300580 3.70 63548 1936036 522156 5.69 469484 1706608 124 01:40:03 5670720 7494100 292500 3.60 63732 1936368 522188 5.69 469632 1707124 232 01:50:03 5687396 7511308 275320 3.39 63928 1936696 522188 5.69 469648 1707648 260 02:00:03 5680972 7505544 281080 3.46 64132 1937148 522188 5.69 469668 1708176 288 Average: 5686986 7501316 285455 3.51 63593 1927543 522128 5.69 466530 1701173 215 01:00:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:10:03 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 01:10:03 ens3 7.84 5.08 74.48 0.74 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.95 0.09 0.26 0.06 0.00 0.00 0.00 0.00 01:30:27 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:30:27 ens3 0.83 0.29 3.05 0.05 0.00 0.00 0.00 0.00 01:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:03 ens3 0.41 0.06 0.08 0.04 0.00 0.00 0.00 0.00 01:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:03 ens3 0.23 0.03 0.04 0.01 0.00 0.00 0.00 0.00 02:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:03 ens3 0.22 0.05 0.06 0.03 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 1.90 0.93 12.88 0.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-17266) 05/21/26 _x86_64_ (2 CPU) 00:58:47 LINUX RESTART (2 CPU) 01:00:11 CPU %user %nice %system %iowait %steal %idle 01:10:03 all 1.94 0.00 0.32 0.11 0.02 97.60 01:10:03 0 1.90 0.00 0.35 0.10 0.03 97.62 01:10:03 1 1.97 0.00 0.30 0.13 0.02 97.58 01:20:01 all 0.22 0.00 0.08 0.01 0.02 99.68 01:20:01 0 0.07 0.00 0.10 0.01 0.02 99.81 01:20:01 1 0.37 0.00 0.06 0.01 0.01 99.56 01:30:27 all 0.39 0.00 0.18 0.04 0.02 99.37 01:30:27 0 0.52 0.00 0.20 0.04 0.02 99.23 01:30:27 1 0.27 0.00 0.16 0.04 0.02 99.51 01:40:03 all 0.21 0.00 0.07 0.01 0.02 99.69 01:40:03 0 0.29 0.00 0.06 0.01 0.01 99.64 01:40:03 1 0.14 0.00 0.08 0.01 0.02 99.75 01:50:03 all 0.22 0.00 0.06 0.01 0.02 99.69 01:50:03 0 0.06 0.00 0.07 0.00 0.02 99.84 01:50:03 1 0.39 0.00 0.06 0.01 0.01 99.53 02:00:03 all 0.26 0.00 0.15 0.01 0.02 99.57 02:00:03 0 0.26 0.00 0.14 0.01 0.02 99.58 02:00:03 1 0.26 0.00 0.15 0.01 0.02 99.56 Average: all 0.54 0.00 0.14 0.03 0.02 99.27 Average: 0 0.51 0.00 0.15 0.03 0.02 99.29 Average: 1 0.56 0.00 0.13 0.04 0.02 99.25