---> uname -a: Linux prd-queue-disttest-2c-1g-27244 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 693 5444 4 2091 7248 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:c3:1b:68 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.244/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82542sec preferred_lft 82542sec inet6 fe80::f816:3eff:fec3:1b68/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-27244) 06/14/26 _x86_64_ (2 CPU) 00:32:42 LINUX RESTART (2 CPU) 00:40:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:05 1.38 0.01 1.37 0.00 0.05 16.09 0.24 01:00:01 1.60 0.02 1.56 0.02 0.60 19.41 0.30 01:10:05 1.88 0.26 1.60 0.02 31.83 74.29 0.37 01:20:05 1.34 0.00 1.34 0.00 0.01 15.77 0.01 01:30:01 14.57 0.00 1.52 13.04 0.15 18.82 108321.76 Average: 4.14 0.06 1.48 2.60 6.58 28.96 21533.85 00:40:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:05 5698324 7503948 282476 3.47 63516 1918500 536916 5.85 465780 1698964 208 01:00:01 5701624 7507932 278420 3.42 63692 1919004 536916 5.85 465960 1699516 144 01:10:05 5667864 7501116 285004 3.50 63972 1945428 537080 5.85 475148 1717152 216 01:20:05 5668140 7501880 284232 3.50 64128 1945756 537080 5.85 475352 1717636 224 01:30:01 5664884 7499296 286700 3.53 64264 1946260 537080 5.85 475380 1718120 276 Average: 5680167 7502834 283366 3.48 63914 1934990 537014 5.85 471524 1710278 214 00:40:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:05 ens3 1.47 0.08 0.17 0.06 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.49 0.08 0.09 0.04 0.00 0.00 0.00 0.00 01:10:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:05 ens3 0.54 0.22 3.16 0.05 0.00 0.00 0.00 0.00 01:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:05 ens3 0.43 0.08 0.12 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.32 0.06 0.07 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 0.65 0.11 0.73 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-27244) 06/14/26 _x86_64_ (2 CPU) 00:32:42 LINUX RESTART (2 CPU) 00:40:05 CPU %user %nice %system %iowait %steal %idle 00:50:05 all 0.26 0.00 0.09 0.01 0.04 99.61 00:50:05 0 0.29 0.00 0.06 0.01 0.03 99.62 00:50:05 1 0.23 0.00 0.12 0.01 0.05 99.60 01:00:01 all 0.26 0.00 0.15 0.01 0.04 99.55 01:00:01 0 0.38 0.00 0.14 0.01 0.03 99.44 01:00:01 1 0.13 0.00 0.16 0.01 0.05 99.65 01:10:05 all 0.35 0.00 0.10 0.02 0.04 99.49 01:10:05 0 0.41 0.00 0.10 0.02 0.03 99.43 01:10:05 1 0.29 0.00 0.10 0.01 0.05 99.55 01:20:05 all 0.25 0.00 0.07 0.01 0.04 99.63 01:20:05 0 0.05 0.00 0.09 0.01 0.05 99.80 01:20:05 1 0.46 0.00 0.05 0.01 0.03 99.45 01:30:01 all 0.24 0.00 0.18 0.03 0.03 99.52 01:30:01 0 0.14 0.00 0.18 0.01 0.04 99.63 01:30:01 1 0.34 0.00 0.17 0.05 0.03 99.41 Average: all 0.27 0.00 0.12 0.02 0.04 99.56 Average: 0 0.25 0.00 0.11 0.01 0.04 99.59 Average: 1 0.29 0.00 0.12 0.02 0.04 99.53