---> uname -a: Linux prd-queue-disttest-2c-1g-4517 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 704 5509 4 2011 7237 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:48:4f:a0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.22/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82252sec preferred_lft 82252sec inet6 fe80::f816:3eff:fe48:4fa0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-4517) 04/19/26 _x86_64_ (2 CPU) 02:00:53 LINUX RESTART (2 CPU) 02:10:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:20:08 1.37 0.01 1.36 0.00 0.07 16.00 0.12 02:30:08 14.61 0.00 1.69 12.92 0.15 20.12 107824.66 02:40:08 1.44 0.02 1.43 0.00 0.60 16.32 0.16 02:50:00 1.29 0.00 1.29 0.00 0.00 15.13 0.00 03:00:08 2.23 0.31 1.89 0.03 38.55 76.79 0.42 Average: 4.19 0.07 1.53 2.59 7.97 29.02 21565.00 02:10:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:20:08 5763220 7481212 309588 3.81 61760 1836740 536040 5.84 464016 1615824 164 02:30:08 5764156 7482712 308028 3.79 61940 1837120 536048 5.84 464140 1616348 156 02:40:08 5761596 7480808 309944 3.81 62100 1837616 536208 5.84 464324 1616892 168 02:50:00 5761120 7480812 309908 3.81 62252 1837944 536232 5.84 464356 1617372 164 03:00:08 5723964 7472564 317512 3.90 62544 1866228 735608 8.01 481560 1634756 124 Average: 5754811 7479622 310996 3.82 62119 1843130 576027 6.27 467679 1620238 155 02:10:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:08 ens3 0.69 0.06 0.07 0.02 0.00 0.00 0.00 0.00 02:30:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:08 ens3 0.62 0.05 0.08 0.02 0.00 0.00 0.00 0.00 02:40:08 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 02:40:08 ens3 0.84 0.10 5.30 0.06 0.00 0.00 0.00 0.00 02:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:00 ens3 0.54 0.03 0.83 0.01 0.00 0.00 0.00 0.00 03:00:08 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:00:08 ens3 0.66 0.28 3.12 0.07 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 0.67 0.10 1.88 0.03 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-4517) 04/19/26 _x86_64_ (2 CPU) 02:00:53 LINUX RESTART (2 CPU) 02:10:08 CPU %user %nice %system %iowait %steal %idle 02:20:08 all 0.21 0.00 0.08 0.01 0.02 99.68 02:20:08 0 0.31 0.00 0.07 0.01 0.02 99.58 02:20:08 1 0.12 0.00 0.09 0.00 0.03 99.77 02:30:08 all 0.22 0.00 0.18 0.09 0.02 99.48 02:30:08 0 0.22 0.00 0.18 0.09 0.02 99.49 02:30:08 1 0.22 0.00 0.19 0.09 0.03 99.48 02:40:08 all 0.26 0.00 0.07 0.05 0.02 99.59 02:40:08 0 0.35 0.00 0.08 0.03 0.02 99.53 02:40:08 1 0.18 0.00 0.07 0.08 0.02 99.65 02:50:00 all 0.25 0.00 0.07 0.19 0.02 99.47 02:50:00 0 0.46 0.00 0.04 0.24 0.02 99.24 02:50:00 1 0.04 0.00 0.09 0.14 0.03 99.70 03:00:08 all 0.37 0.00 0.20 0.31 0.02 99.09 03:00:08 0 0.65 0.00 0.21 0.60 0.02 98.52 03:00:08 1 0.09 0.00 0.20 0.02 0.03 99.66 Average: all 0.26 0.00 0.12 0.13 0.02 99.46 Average: 0 0.40 0.00 0.12 0.20 0.02 99.27 Average: 1 0.13 0.00 0.13 0.06 0.03 99.65