---> uname -a: Linux prd-queue-disttest-2c-1g-22437 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 2090 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:75:9e:98 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.93/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82240sec preferred_lft 82240sec inet6 fe80::f816:3eff:fe75:9e98/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-22437) 06/02/26 _x86_64_ (2 CPU) 02:48:40 LINUX RESTART (2 CPU) 02:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:02 5.34 0.32 4.90 0.12 37.63 1378.32 2.85 03:10:01 1.50 0.01 1.48 0.02 1.11 18.46 0.45 03:20:02 1.39 0.00 1.38 0.01 0.01 16.39 0.05 03:30:02 1.56 0.00 1.54 0.02 0.00 19.08 0.23 03:40:02 1.36 0.00 1.36 0.00 0.00 16.16 0.00 03:50:02 1.35 0.00 1.35 0.00 0.00 16.08 0.00 Average: 2.09 0.06 2.00 0.03 6.46 244.08 0.60 02:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:02 5654960 7481624 305124 3.75 63244 1940124 729636 7.95 479228 1711000 260 03:10:01 5676456 7503996 282528 3.47 63464 1940768 590032 6.43 479380 1711548 276 03:20:02 5675704 7503736 282772 3.48 63628 1941092 534952 5.83 474216 1712040 252 03:30:02 5666836 7495376 291108 3.58 63784 1941420 534976 5.83 474300 1712524 280 03:40:02 5666584 7495620 290860 3.58 63940 1941752 534976 5.83 474324 1713012 264 03:50:02 5665828 7495444 291028 3.58 64080 1942184 534976 5.83 474340 1713456 268 Average: 5667728 7495966 290570 3.57 63690 1941223 576591 6.28 475965 1712263 267 02:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:02 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 03:00:02 ens3 4.74 1.48 43.43 0.31 0.00 0.00 0.00 0.00 03:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:01 ens3 1.43 0.03 0.15 0.01 0.00 0.00 0.00 0.00 03:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:02 ens3 0.56 0.06 0.09 0.04 0.00 0.00 0.00 0.00 03:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:02 ens3 0.96 0.08 5.90 0.05 0.00 0.00 0.00 0.00 03:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:02 ens3 0.46 0.05 0.30 0.03 0.00 0.00 0.00 0.00 03:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:02 ens3 0.31 0.05 0.07 0.03 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 1.41 0.29 8.32 0.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-22437) 06/02/26 _x86_64_ (2 CPU) 02:48:40 LINUX RESTART (2 CPU) 02:50:02 CPU %user %nice %system %iowait %steal %idle 03:00:02 all 1.05 0.00 0.35 0.04 0.04 98.53 03:00:02 0 1.69 0.00 0.38 0.04 0.04 97.86 03:00:02 1 0.41 0.00 0.32 0.04 0.04 99.19 03:10:01 all 0.27 0.00 0.09 0.01 0.03 99.60 03:10:01 0 0.47 0.00 0.09 0.00 0.02 99.42 03:10:01 1 0.08 0.00 0.10 0.01 0.03 99.78 03:20:02 all 0.23 0.00 0.07 0.00 0.03 99.66 03:20:02 0 0.16 0.00 0.07 0.00 0.02 99.74 03:20:02 1 0.31 0.00 0.07 0.01 0.03 99.58 03:30:02 all 0.27 0.00 0.16 0.01 0.03 99.53 03:30:02 0 0.27 0.00 0.15 0.01 0.03 99.54 03:30:02 1 0.27 0.00 0.17 0.00 0.03 99.53 03:40:02 all 0.23 0.00 0.07 0.00 0.03 99.67 03:40:02 0 0.41 0.00 0.06 0.01 0.03 99.50 03:40:02 1 0.04 0.00 0.08 0.00 0.03 99.85 03:50:02 all 0.23 0.00 0.06 0.01 0.03 99.67 03:50:02 0 0.26 0.00 0.05 0.01 0.03 99.66 03:50:02 1 0.21 0.00 0.07 0.01 0.04 99.68 Average: all 0.38 0.00 0.13 0.01 0.03 99.44 Average: 0 0.54 0.00 0.13 0.01 0.03 99.29 Average: 1 0.22 0.00 0.14 0.01 0.03 99.60