---> uname -a: Linux prd-queue-disttest-2c-1g-8213 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: 5599.86 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 698 5467 4 2068 7243 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:db:7b:29 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.166/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82269sec preferred_lft 82269sec inet6 fe80::f816:3eff:fedb:7b29/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-8213) 03/23/26 _x86_64_ (2 CPU) 02:54:39 LINUX RESTART (2 CPU) 03:00:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:27 1.26 0.01 1.25 0.00 0.05 15.39 0.24 03:20:00 16.04 14.17 1.81 0.06 157.75 43.59 6.63 03:30:27 1.43 0.00 1.41 0.02 0.00 17.43 0.79 03:40:27 1.19 0.00 1.17 0.02 0.00 14.73 1.20 03:50:01 1.18 0.00 1.17 0.02 0.00 14.50 1.13 04:00:17 14.61 0.32 1.71 12.59 39.13 73.51 105009.00 Average: 5.92 2.32 1.42 2.18 31.91 29.98 18042.09 03:00:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:27 5806416 7518324 272768 3.35 61640 1830720 536476 5.84 467324 1610088 188 03:20:00 5745260 7513828 268268 3.30 65432 1875348 536528 5.84 467988 1657896 216 03:30:27 5733776 7502860 279100 3.43 65600 1875672 536796 5.85 468180 1658392 132 03:40:27 5733776 7503360 278624 3.43 65772 1876004 536796 5.85 468252 1658892 148 03:50:01 5732768 7502868 279116 3.43 65952 1876328 536744 5.85 468096 1659400 260 04:00:17 5670608 7469828 311576 3.83 66312 1904688 536744 5.85 479808 1676588 196 Average: 5737101 7501845 281575 3.46 65118 1873127 536681 5.85 469941 1653543 190 03:00:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:27 ens3 2.14 0.18 0.37 0.14 0.00 0.00 0.00 0.00 03:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:00 ens3 0.67 0.03 0.07 0.01 0.00 0.00 0.00 0.00 03:30:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:27 ens3 1.18 0.10 1.69 0.06 0.00 0.00 0.00 0.00 03:40:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:27 ens3 0.46 0.05 0.09 0.03 0.00 0.00 0.00 0.00 03:50:01 lo 0.99 0.99 0.05 0.05 0.00 0.00 0.00 0.00 03:50:01 ens3 0.43 0.03 0.08 0.01 0.00 0.00 0.00 0.00 04:00:17 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 04:00:17 ens3 0.77 0.24 3.00 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 0.95 0.10 0.91 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-8213) 03/23/26 _x86_64_ (2 CPU) 02:54:39 LINUX RESTART (2 CPU) 03:00:27 CPU %user %nice %system %iowait %steal %idle 03:10:27 all 0.29 0.00 0.09 0.01 0.02 99.59 03:10:27 0 0.32 0.00 0.07 0.01 0.02 99.58 03:10:27 1 0.27 0.00 0.11 0.00 0.03 99.59 03:20:00 all 0.25 0.20 0.15 0.16 0.02 99.23 03:20:00 0 0.42 0.01 0.06 0.01 0.02 99.50 03:20:00 1 0.07 0.39 0.24 0.31 0.03 98.97 03:30:27 all 0.20 0.00 0.14 0.01 0.02 99.63 03:30:27 0 0.34 0.00 0.13 0.01 0.02 99.50 03:30:27 1 0.06 0.00 0.15 0.00 0.03 99.76 03:40:27 all 0.22 0.00 0.07 0.01 0.02 99.68 03:40:27 0 0.14 0.00 0.07 0.01 0.02 99.76 03:40:27 1 0.30 0.00 0.08 0.01 0.03 99.60 03:50:01 all 0.24 0.00 0.06 0.05 0.02 99.63 03:50:01 0 0.04 0.00 0.08 0.01 0.02 99.86 03:50:01 1 0.44 0.00 0.05 0.09 0.01 99.41 04:00:17 all 0.39 0.00 0.20 0.04 0.02 99.35 04:00:17 0 0.35 0.00 0.24 0.06 0.02 99.33 04:00:17 1 0.43 0.00 0.17 0.02 0.01 99.37 Average: all 0.27 0.03 0.12 0.04 0.02 99.52 Average: 0 0.27 0.00 0.11 0.02 0.02 99.58 Average: 1 0.26 0.06 0.13 0.07 0.02 99.45