---> uname -a: Linux prd-queue-disttest-2c-1g-28530 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 722 5362 4 2152 7219 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:40:83:e4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.124/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80545sec preferred_lft 80545sec inet6 fe80::f816:3eff:fe40:83e4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-28530) 06/19/26 _x86_64_ (2 CPU) 02:58:41 LINUX RESTART (2 CPU) 03:00:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:23 2.93 0.06 2.79 0.07 5.35 898.95 0.98 03:20:13 1.77 0.26 1.50 0.01 31.27 75.96 0.30 03:30:23 1.38 0.00 1.37 0.02 0.00 16.95 0.22 03:40:03 1.16 0.00 1.15 0.02 0.00 14.51 1.24 03:50:23 1.18 0.00 1.16 0.02 0.00 14.72 1.06 04:00:23 1.37 0.00 1.34 0.04 0.00 17.27 1.44 04:10:23 14.31 0.00 1.35 12.95 0.15 16.16 107502.71 04:20:23 1.21 0.00 1.21 0.00 0.00 14.88 0.00 04:30:13 15.85 13.75 2.02 0.07 153.08 45.84 11.04 Average: 4.55 1.54 1.54 1.47 20.80 124.32 11961.78 03:00:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:23 5693440 7496144 289848 3.56 63432 1915824 534280 5.82 465708 1695920 208 03:20:13 5678108 7507568 278016 3.42 63744 1941936 731356 7.97 480200 1713692 180 03:30:23 5680144 7510124 275292 3.39 63888 1942264 731532 7.97 480292 1714172 124 03:40:03 5682232 7512704 272684 3.35 64052 1942592 731596 7.97 480212 1714656 268 03:50:23 5681664 7512660 272724 3.35 64240 1942920 731596 7.97 480340 1715176 152 04:00:23 5677044 7508696 276688 3.40 64424 1943364 731600 7.97 480568 1715680 128 04:10:23 5679204 7511376 273972 3.37 64548 1943744 731600 7.97 480748 1716156 124 04:20:23 5680052 7512672 272664 3.35 64672 1944068 731600 7.97 480772 1716596 180 04:30:13 5597552 7486928 289340 3.56 68484 1988692 731600 7.97 481396 1764432 180 Average: 5672160 7506541 277914 3.42 64609 1945045 709640 7.73 478915 1718498 172 03:00:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:23 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:10:23 ens3 5.19 1.27 40.98 0.28 0.00 0.00 0.00 0.00 03:20:13 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 03:20:13 ens3 1.87 0.47 3.31 0.04 0.00 0.00 0.00 0.00 03:30:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:23 ens3 0.43 0.07 0.10 0.05 0.00 0.00 0.00 0.00 03:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:03 ens3 1.10 0.06 6.34 0.03 0.00 0.00 0.00 0.00 03:50:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:23 ens3 0.23 0.03 0.04 0.01 0.00 0.00 0.00 0.00 04:00:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:00:23 ens3 0.31 0.09 0.10 0.06 0.00 0.00 0.00 0.00 04:10:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:10:23 ens3 0.26 0.05 0.05 0.01 0.00 0.00 0.00 0.00 04:20:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:20:23 ens3 0.29 0.04 0.41 0.01 0.00 0.00 0.00 0.00 04:30:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 04:30:13 ens3 0.19 0.03 0.05 0.01 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 1.10 0.23 5.71 0.06 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-28530) 06/19/26 _x86_64_ (2 CPU) 02:58:41 LINUX RESTART (2 CPU) 03:00:20 CPU %user %nice %system %iowait %steal %idle 03:10:23 all 0.34 0.00 0.16 0.09 0.01 99.40 03:10:23 0 0.19 0.00 0.18 0.08 0.02 99.53 03:10:23 1 0.49 0.00 0.13 0.09 0.01 99.27 03:20:13 all 0.39 0.00 0.11 0.33 0.01 99.16 03:20:13 0 0.69 0.00 0.11 0.44 0.01 98.75 03:20:13 1 0.09 0.00 0.10 0.22 0.01 99.57 03:30:23 all 0.27 0.00 0.16 0.01 0.01 99.54 03:30:23 0 0.47 0.00 0.15 0.00 0.01 99.36 03:30:23 1 0.07 0.00 0.17 0.02 0.02 99.72 03:40:03 all 0.24 0.00 0.07 0.01 0.01 99.67 03:40:03 0 0.41 0.00 0.05 0.01 0.01 99.52 03:40:03 1 0.07 0.00 0.09 0.01 0.01 99.83 03:50:23 all 0.25 0.00 0.07 0.02 0.01 99.66 03:50:23 0 0.39 0.00 0.05 0.03 0.01 99.51 03:50:23 1 0.10 0.00 0.09 0.00 0.01 99.80 04:00:23 all 0.29 0.00 0.16 0.01 0.01 99.53 04:00:23 0 0.29 0.00 0.15 0.01 0.01 99.54 04:00:23 1 0.29 0.00 0.17 0.01 0.01 99.52 04:10:23 all 0.26 0.00 0.09 0.03 0.01 99.61 04:10:23 0 0.06 0.00 0.11 0.01 0.01 99.81 04:10:23 1 0.47 0.00 0.07 0.05 0.01 99.41 04:20:23 all 0.24 0.00 0.07 0.01 0.01 99.68 04:20:23 0 0.17 0.00 0.08 0.01 0.01 99.73 04:20:23 1 0.32 0.00 0.05 0.01 0.01 99.62 04:30:13 all 0.29 0.19 0.23 0.15 0.01 99.13 04:30:13 0 0.50 0.00 0.15 0.03 0.01 99.30 04:30:13 1 0.08 0.38 0.31 0.26 0.01 98.96 Average: all 0.29 0.02 0.12 0.07 0.01 99.49 Average: 0 0.35 0.00 0.12 0.07 0.01 99.45 Average: 1 0.22 0.04 0.13 0.07 0.01 99.52