---> uname -a: Linux prd-queue-disttest-2c-1g-8319 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 681 5530 4 2013 7260 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:79:34:83 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.228/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82612sec preferred_lft 82612sec inet6 fe80::f816:3eff:fe79:3483/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-8319) 04/27/26 _x86_64_ (2 CPU) 00:32:24 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:10 1.28 0.01 1.27 0.01 0.05 15.31 0.47 01:00:06 1.41 0.00 1.38 0.03 0.00 17.26 1.46 01:10:01 1.20 0.00 1.18 0.02 0.00 14.38 1.09 01:20:09 1.85 0.31 1.50 0.03 38.51 72.68 1.50 01:30:10 14.50 0.01 1.59 12.90 1.20 19.95 107667.53 Average: 4.04 0.07 1.38 2.59 8.04 28.04 21496.69 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:10 5803664 7522788 268084 3.30 61724 1837700 534900 5.83 459132 1616504 172 01:00:06 5802288 7521952 268872 3.31 61928 1838032 534952 5.83 459196 1617040 176 01:10:01 5802064 7522248 268576 3.30 62116 1838364 535044 5.83 459280 1617560 128 01:20:09 5741136 7490192 300180 3.69 62408 1866648 745932 8.12 476668 1635072 136 01:30:10 5760708 7510804 279536 3.44 62596 1867464 535260 5.83 471016 1635608 136 Average: 5781972 7513597 277050 3.41 62154 1849642 577218 6.29 465058 1624357 150 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:10 ens3 2.85 0.12 0.39 0.09 0.00 0.00 0.00 0.00 01:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:06 ens3 0.50 0.07 0.08 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.33 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:20:09 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:20:09 ens3 0.64 0.26 3.14 0.07 0.00 0.00 0.00 0.00 01:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:10 ens3 0.27 0.05 0.07 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 0.92 0.11 0.76 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-8319) 04/27/26 _x86_64_ (2 CPU) 00:32:24 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:10 all 0.26 0.00 0.09 0.01 0.03 99.61 00:50:10 0 0.06 0.00 0.09 0.00 0.05 99.80 00:50:10 1 0.46 0.00 0.08 0.01 0.02 99.42 01:00:06 all 0.26 0.00 0.15 0.01 0.03 99.54 01:00:06 0 0.32 0.00 0.14 0.01 0.03 99.50 01:00:06 1 0.20 0.00 0.16 0.01 0.04 99.59 01:10:01 all 0.22 0.00 0.06 0.01 0.03 99.69 01:10:01 0 0.39 0.00 0.04 0.01 0.02 99.55 01:10:01 1 0.05 0.00 0.08 0.01 0.04 99.83 01:20:09 all 0.34 0.00 0.10 0.02 0.03 99.50 01:20:09 0 0.44 0.00 0.06 0.02 0.02 99.47 01:20:09 1 0.23 0.00 0.15 0.03 0.05 99.54 01:30:10 all 0.29 0.00 0.17 0.03 0.02 99.48 01:30:10 0 0.26 0.00 0.16 0.02 0.02 99.54 01:30:10 1 0.32 0.00 0.18 0.05 0.03 99.42 Average: all 0.27 0.00 0.12 0.02 0.03 99.56 Average: 0 0.29 0.00 0.10 0.01 0.03 99.57 Average: 1 0.25 0.00 0.13 0.02 0.04 99.56