---> uname -a: Linux prd-queue-disttest-2c-1g-4749 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 696 5517 4 2012 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:c9:a1:22 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.123/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82330sec preferred_lft 82330sec inet6 fe80::f816:3eff:fec9:a122/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-4749) 04/20/26 _x86_64_ (2 CPU) 02:58:40 LINUX RESTART (2 CPU) 03:00:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:04 15.99 0.34 2.70 12.94 40.41 735.59 107774.57 03:20:04 1.30 0.01 1.28 0.01 1.12 15.81 0.20 03:30:04 1.29 0.00 1.28 0.02 0.00 16.36 0.25 03:40:04 1.21 0.00 1.19 0.02 0.00 14.76 1.20 03:50:04 1.21 0.00 1.19 0.02 0.00 15.11 1.21 04:00:04 1.36 0.00 1.32 0.03 0.00 17.25 1.24 Average: 3.73 0.06 1.49 2.17 6.92 135.81 17963.31 03:00:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:04 5749956 7496616 293784 3.61 61752 1864896 734200 8.00 483332 1632352 304 03:20:04 5749956 7497448 292928 3.60 61932 1865544 534824 5.83 477820 1632860 264 03:30:04 5745448 7493448 296920 3.65 62104 1865856 535088 5.83 477960 1633352 212 03:40:04 5768540 7517044 273316 3.36 62264 1866192 535088 5.83 477984 1633848 192 03:50:04 5774672 7523676 266680 3.28 62428 1866520 535140 5.83 478252 1634340 224 04:00:04 5769532 7519176 271188 3.33 62612 1866972 535140 5.83 478188 1634848 228 Average: 5759684 7507901 282469 3.47 62182 1865997 568247 6.19 478923 1633600 237 03:00:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:04 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:10:04 ens3 3.06 0.36 3.56 0.15 0.00 0.00 0.00 0.00 03:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:04 ens3 0.91 0.04 0.09 0.01 0.00 0.00 0.00 0.00 03:30:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:04 ens3 0.88 0.07 0.14 0.05 0.00 0.00 0.00 0.00 03:40:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:04 ens3 0.85 0.06 3.86 0.03 0.00 0.00 0.00 0.00 03:50:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:04 ens3 0.81 0.06 0.75 0.04 0.00 0.00 0.00 0.00 04:00:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:04 ens3 0.59 0.06 0.09 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 1.18 0.11 1.41 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-4749) 04/20/26 _x86_64_ (2 CPU) 02:58:40 LINUX RESTART (2 CPU) 03:00:03 CPU %user %nice %system %iowait %steal %idle 03:10:04 all 0.35 0.00 0.15 0.05 0.04 99.41 03:10:04 0 0.31 0.00 0.14 0.04 0.03 99.48 03:10:04 1 0.39 0.00 0.16 0.06 0.05 99.35 03:20:04 all 0.25 0.00 0.07 0.01 0.03 99.64 03:20:04 0 0.32 0.00 0.07 0.00 0.03 99.59 03:20:04 1 0.18 0.00 0.08 0.01 0.04 99.69 03:30:04 all 0.26 0.00 0.19 0.01 0.03 99.52 03:30:04 0 0.08 0.00 0.21 0.00 0.03 99.68 03:30:04 1 0.45 0.00 0.16 0.01 0.02 99.35 03:40:04 all 0.25 0.00 0.07 0.01 0.04 99.64 03:40:04 0 0.05 0.00 0.08 0.00 0.05 99.82 03:40:04 1 0.46 0.00 0.05 0.01 0.03 99.45 03:50:04 all 0.24 0.00 0.06 0.01 0.04 99.65 03:50:04 0 0.37 0.00 0.06 0.01 0.03 99.53 03:50:04 1 0.10 0.00 0.07 0.01 0.05 99.77 04:00:04 all 0.22 0.00 0.16 0.01 0.04 99.57 04:00:04 0 0.28 0.00 0.16 0.01 0.03 99.52 04:00:04 1 0.17 0.00 0.16 0.01 0.04 99.61 Average: all 0.26 0.00 0.12 0.01 0.04 99.57 Average: 0 0.23 0.00 0.12 0.01 0.03 99.60 Average: 1 0.29 0.00 0.11 0.02 0.04 99.54