---> uname -a: Linux prd-queue-disttest-2c-1g-33216 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 696 5441 4 2091 7245 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:64:d3:8c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.132/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82543sec preferred_lft 82543sec inet6 fe80::f816:3eff:fe64:d38c/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-33216) 07/06/26 _x86_64_ (2 CPU) 00:33:33 LINUX RESTART (2 CPU) 00:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.32 0.01 1.31 0.00 0.05 15.84 0.24 01:00:02 14.48 0.00 1.55 12.93 0.15 18.94 107352.38 01:10:01 1.27 0.00 1.26 0.01 0.00 15.10 0.60 01:20:01 1.85 0.26 1.56 0.03 32.05 76.48 1.35 01:30:02 1.41 0.00 1.37 0.03 0.00 18.27 1.34 Average: 4.07 0.05 1.41 2.61 6.45 28.93 21511.26 00:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 5713092 7519628 266656 3.28 63532 1919376 537572 5.86 467776 1698816 124 01:00:02 5700564 7507612 278512 3.42 63660 1919756 536168 5.84 466648 1699292 216 01:10:01 5707900 7515432 270700 3.33 63820 1920076 536184 5.84 466748 1699776 172 01:20:01 5667800 7502616 283272 3.48 64156 1946808 536184 5.84 476032 1717768 240 01:30:02 5657508 7493000 292868 3.60 64340 1947272 536184 5.84 476092 1718288 192 Average: 5689373 7507658 278402 3.42 63902 1930658 536458 5.84 470659 1706788 189 00:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 3.05 0.13 0.46 0.10 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 0.68 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.36 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.22 0.52 4.37 0.09 0.00 0.00 0.00 0.00 01:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:02 ens3 0.31 0.04 0.06 0.03 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 1.12 0.16 1.01 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-33216) 07/06/26 _x86_64_ (2 CPU) 00:33:33 LINUX RESTART (2 CPU) 00:40:02 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.25 0.00 0.10 0.01 0.04 99.60 00:50:01 0 0.41 0.00 0.09 0.00 0.03 99.46 00:50:01 1 0.09 0.00 0.11 0.01 0.05 99.74 01:00:02 all 0.27 0.00 0.17 0.03 0.04 99.50 01:00:02 0 0.08 0.00 0.18 0.05 0.05 99.64 01:00:02 1 0.46 0.00 0.15 0.01 0.03 99.35 01:10:01 all 0.23 0.00 0.06 0.01 0.04 99.67 01:10:01 0 0.05 0.00 0.08 0.01 0.05 99.81 01:10:01 1 0.41 0.00 0.04 0.00 0.02 99.52 01:20:01 all 0.36 0.00 0.09 0.02 0.04 99.49 01:20:01 0 0.22 0.00 0.12 0.02 0.05 99.59 01:20:01 1 0.50 0.00 0.06 0.02 0.03 99.39 01:30:02 all 0.25 0.00 0.15 0.01 0.04 99.55 01:30:02 0 0.15 0.00 0.15 0.01 0.05 99.64 01:30:02 1 0.36 0.00 0.14 0.01 0.03 99.46 Average: all 0.27 0.00 0.11 0.01 0.04 99.56 Average: 0 0.18 0.00 0.12 0.02 0.05 99.63 Average: 1 0.36 0.00 0.10 0.01 0.03 99.49