---> uname -a: Linux prd-queue-disttest-2c-1g-6407 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 702 5511 4 2011 7239 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:15:04:1a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.159/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82160sec preferred_lft 82160sec inet6 fe80::f816:3eff:fe15:41a/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-6407) 04/22/26 _x86_64_ (2 CPU) 01:58:55 LINUX RESTART (2 CPU) 02:00:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:20 2.83 0.03 2.74 0.06 1.37 670.83 3.65 02:20:01 2.03 0.34 1.68 0.01 40.38 76.16 0.33 02:30:20 1.55 0.00 1.54 0.01 0.00 17.74 0.22 02:40:20 1.40 0.00 1.38 0.02 0.00 15.97 1.20 02:50:00 1.32 0.00 1.31 0.02 0.00 15.52 1.24 03:00:20 1.59 0.00 1.55 0.03 0.00 18.50 1.38 Average: 1.79 0.06 1.70 0.03 6.72 137.57 1.35 02:00:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:20 5771432 7489212 301436 3.71 61508 1836764 537996 5.86 463836 1615436 132 02:20:01 5743192 7489824 300252 3.69 61824 1865028 740232 8.06 480960 1632952 184 02:30:20 5736588 7483764 306112 3.76 61992 1865356 740232 8.06 480908 1633448 168 02:40:20 5759044 7506736 283172 3.48 62180 1865676 740376 8.06 480952 1633956 168 02:50:00 5758036 7506232 283668 3.49 62344 1866012 740376 8.06 481076 1634456 168 03:00:20 5756116 7504948 284936 3.50 62512 1866464 740376 8.06 481152 1634948 168 Average: 5754068 7496786 293263 3.61 62060 1860883 706598 7.70 478147 1630866 165 02:00:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:20 ens3 5.17 0.34 0.90 0.26 0.00 0.00 0.00 0.00 02:20:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 1.19 0.25 3.24 0.03 0.00 0.00 0.00 0.00 02:30:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:20 ens3 0.33 0.02 0.05 0.01 0.00 0.00 0.00 0.00 02:40:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:20 ens3 0.40 0.05 0.08 0.03 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 0.21 0.04 0.04 0.02 0.00 0.00 0.00 0.00 03:00:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:20 ens3 0.21 0.06 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 1.27 0.13 0.71 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-6407) 04/22/26 _x86_64_ (2 CPU) 01:58:55 LINUX RESTART (2 CPU) 02:00:06 CPU %user %nice %system %iowait %steal %idle 02:10:20 all 0.33 0.00 0.14 0.06 0.02 99.44 02:10:20 0 0.22 0.00 0.16 0.09 0.02 99.51 02:10:20 1 0.45 0.00 0.13 0.03 0.02 99.38 02:20:01 all 0.36 0.00 0.13 0.03 0.02 99.47 02:20:01 0 0.22 0.00 0.12 0.02 0.02 99.62 02:20:01 1 0.49 0.00 0.14 0.04 0.02 99.31 02:30:20 all 0.29 0.00 0.16 0.03 0.02 99.51 02:30:20 0 0.26 0.00 0.15 0.01 0.01 99.57 02:30:20 1 0.31 0.00 0.17 0.04 0.02 99.46 02:40:20 all 0.26 0.00 0.07 0.04 0.01 99.61 02:40:20 0 0.14 0.00 0.08 0.03 0.02 99.73 02:40:20 1 0.39 0.00 0.05 0.05 0.01 99.49 02:50:00 all 0.25 0.00 0.07 0.04 0.01 99.63 02:50:00 0 0.05 0.00 0.09 0.04 0.02 99.80 02:50:00 1 0.44 0.00 0.05 0.04 0.01 99.46 03:00:20 all 0.29 0.00 0.16 0.01 0.02 99.52 03:00:20 0 0.08 0.00 0.18 0.02 0.02 99.70 03:00:20 1 0.50 0.00 0.15 0.00 0.01 99.34 Average: all 0.30 0.00 0.12 0.03 0.02 99.53 Average: 0 0.16 0.00 0.13 0.04 0.02 99.65 Average: 1 0.43 0.00 0.12 0.03 0.01 99.41