---> uname -a: Linux prd-queue-disttest-2c-1g-9503 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 713 5435 4 2084 7227 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:36:a1:e2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.58/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82499sec preferred_lft 82499sec inet6 fe80::f816:3eff:fe36:a1e2/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-9503) 04/29/26 _x86_64_ (2 CPU) 01:38:40 LINUX RESTART (2 CPU) 01:40:28 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:50:09 1.81 0.29 1.50 0.02 34.35 76.62 0.40 02:00:19 1.42 0.01 1.39 0.03 0.05 17.02 0.98 02:10:29 1.24 0.00 1.22 0.02 0.00 14.43 1.08 02:20:29 1.22 0.00 1.22 0.00 0.01 14.55 0.00 02:30:29 15.80 13.54 2.19 0.08 150.68 47.31 364.52 02:40:29 1.23 0.00 1.23 0.00 0.00 14.96 0.00 Average: 3.78 2.30 1.46 0.02 30.66 30.49 61.14 01:40:28 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:50:09 5745896 7499032 291264 3.58 61832 1871472 529232 5.76 474228 1640696 260 02:00:19 5757780 7511476 278580 3.43 62028 1871804 529232 5.76 474016 1641232 140 02:10:29 5763164 7517376 272676 3.35 62212 1872128 529368 5.77 474044 1641740 124 02:20:29 5760816 7515492 274584 3.38 62348 1872452 529368 5.77 474052 1642200 164 02:30:29 5681776 7493264 287704 3.54 66168 1917088 529432 5.77 474740 1690048 124 02:40:29 5681524 7493600 287332 3.53 66300 1917536 529432 5.77 474864 1690500 124 Average: 5731826 7505040 282023 3.47 63481 1887080 529344 5.77 474324 1657736 156 01:40:28 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:50:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:50:09 ens3 2.60 0.42 3.64 0.19 0.00 0.00 0.00 0.00 02:00:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:19 ens3 1.20 0.05 0.15 0.03 0.00 0.00 0.00 0.00 02:10:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:29 ens3 0.94 0.03 9.38 0.01 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 0.23 0.04 0.04 0.01 0.00 0.00 0.00 0.00 02:30:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:29 ens3 0.21 0.04 0.04 0.01 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 0.34 0.08 0.10 0.05 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 0.91 0.11 2.23 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-9503) 04/29/26 _x86_64_ (2 CPU) 01:38:40 LINUX RESTART (2 CPU) 01:40:28 CPU %user %nice %system %iowait %steal %idle 01:50:09 all 0.37 0.00 0.10 0.02 0.02 99.49 01:50:09 0 0.50 0.00 0.11 0.02 0.02 99.33 01:50:09 1 0.24 0.00 0.08 0.01 0.03 99.64 02:00:19 all 0.25 0.00 0.18 0.01 0.02 99.55 02:00:19 0 0.26 0.00 0.20 0.00 0.02 99.51 02:00:19 1 0.23 0.00 0.15 0.01 0.01 99.59 02:10:29 all 0.25 0.00 0.06 0.00 0.02 99.66 02:10:29 0 0.06 0.00 0.09 0.00 0.02 99.83 02:10:29 1 0.45 0.00 0.04 0.01 0.01 99.50 02:20:29 all 0.21 0.00 0.07 0.01 0.02 99.70 02:20:29 0 0.17 0.00 0.06 0.01 0.02 99.74 02:20:29 1 0.25 0.00 0.07 0.01 0.02 99.65 02:30:29 all 0.23 0.19 0.23 0.13 0.02 99.20 02:30:29 0 0.32 0.01 0.17 0.03 0.02 99.46 02:30:29 1 0.13 0.36 0.29 0.24 0.02 98.95 02:40:29 all 0.25 0.00 0.07 0.01 0.02 99.65 02:40:29 0 0.22 0.00 0.07 0.01 0.03 99.68 02:40:29 1 0.28 0.00 0.07 0.01 0.02 99.62 Average: all 0.26 0.03 0.12 0.03 0.02 99.54 Average: 0 0.26 0.00 0.12 0.01 0.02 99.59 Average: 1 0.26 0.06 0.12 0.05 0.02 99.49