---> uname -a: Linux prd-queue-disttest-2c-1g-32755 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 710 5422 4 2096 7231 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:b4:03:c5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.63/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82062sec preferred_lft 82062sec inet6 fe80::f816:3eff:feb4:3c5/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-32755) 07/04/26 _x86_64_ (2 CPU) 01:38:43 LINUX RESTART (2 CPU) 01:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:50:29 3.48 0.03 3.38 0.07 1.34 1133.85 0.95 02:00:01 1.39 0.01 1.37 0.02 0.06 17.24 0.36 02:10:29 14.32 0.25 1.71 12.36 30.73 74.59 102679.87 02:20:29 1.33 0.00 1.31 0.02 0.01 15.45 1.08 02:30:01 1.63 0.02 1.58 0.04 0.63 19.51 1.32 02:40:29 1.35 0.00 1.33 0.02 0.00 15.46 1.15 02:50:19 4.07 0.30 3.17 0.59 18.73 205.38 2665.75 Average: 4.02 0.09 1.99 1.95 7.49 218.38 15666.38 01:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:50:29 5698296 7508096 278360 3.42 63448 1922696 531296 5.79 467192 1702800 124 02:00:01 5688984 7499288 286932 3.53 63616 1923028 531412 5.79 466984 1703300 160 02:10:29 5649540 7487128 298828 3.67 63900 1949808 531428 5.79 476184 1721248 180 02:20:29 5665348 7503456 282508 3.47 64072 1950136 531428 5.79 476108 1721760 168 02:30:01 5665932 7504784 280980 3.46 64264 1950636 531436 5.79 476420 1722332 276 02:40:29 5673520 7513000 272760 3.35 64428 1951096 531436 5.79 476572 1722828 136 02:50:19 5661736 7505940 277032 3.41 68800 1949068 531188 5.79 479124 1722936 60648 Average: 5671908 7503099 282486 3.47 64647 1942353 531375 5.79 474083 1716743 8813 01:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:50:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:29 ens3 2.51 0.28 0.66 0.18 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 1.42 0.07 0.19 0.04 0.00 0.00 0.00 0.00 02:10:29 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:29 ens3 0.73 0.25 3.08 0.03 0.00 0.00 0.00 0.00 02:20:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:29 ens3 1.13 0.04 0.33 0.01 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.33 0.10 0.09 0.04 0.00 0.00 0.00 0.00 02:40:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:29 ens3 0.44 0.10 0.25 0.06 0.00 0.00 0.00 0.00 02:50:19 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 02:50:19 ens3 5.40 4.38 31.35 0.69 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 1.70 0.74 5.06 0.15 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-32755) 07/04/26 _x86_64_ (2 CPU) 01:38:43 LINUX RESTART (2 CPU) 01:40:00 CPU %user %nice %system %iowait %steal %idle 01:50:29 all 0.35 0.00 0.15 0.06 0.02 99.43 01:50:29 0 0.15 0.00 0.17 0.08 0.02 99.58 01:50:29 1 0.55 0.00 0.13 0.04 0.01 99.27 02:00:01 all 0.27 0.00 0.17 0.01 0.02 99.54 02:00:01 0 0.26 0.00 0.18 0.02 0.02 99.52 02:00:01 1 0.27 0.00 0.16 0.01 0.02 99.55 02:10:29 all 0.37 0.00 0.11 0.04 0.02 99.46 02:10:29 0 0.17 0.00 0.11 0.05 0.02 99.65 02:10:29 1 0.57 0.00 0.11 0.04 0.01 99.27 02:20:29 all 0.21 0.00 0.07 0.59 0.01 99.11 02:20:29 0 0.21 0.00 0.07 0.13 0.01 99.58 02:20:29 1 0.21 0.00 0.08 1.05 0.01 98.65 02:30:01 all 0.32 0.00 0.17 0.03 0.01 99.46 02:30:01 0 0.52 0.00 0.15 0.03 0.01 99.28 02:30:01 1 0.11 0.00 0.19 0.04 0.02 99.64 02:40:29 all 0.23 0.00 0.08 0.06 0.01 99.62 02:40:29 0 0.26 0.00 0.08 0.03 0.02 99.62 02:40:29 1 0.19 0.00 0.08 0.09 0.01 99.62 02:50:19 all 1.91 0.00 0.29 0.07 0.02 97.71 02:50:19 0 2.39 0.00 0.35 0.07 0.02 97.17 02:50:19 1 1.44 0.00 0.22 0.08 0.01 98.25 Average: all 0.52 0.00 0.15 0.12 0.02 99.20 Average: 0 0.56 0.00 0.16 0.06 0.02 99.21 Average: 1 0.48 0.00 0.14 0.19 0.01 99.18