---> uname -a: Linux prd-queue-disttest-2c-1g-11533 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: 5600.00 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 708 5500 4 2017 7233 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:7c:d9:0b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.19/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82309sec preferred_lft 82309sec inet6 fe80::f816:3eff:fe7c:d90b/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-11533) 05/07/26 _x86_64_ (2 CPU) 00:28:30 LINUX RESTART (2 CPU) 00:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:11 1.68 0.02 1.59 0.06 1.22 266.25 3.12 00:50:05 1.76 0.27 1.47 0.02 32.42 74.07 0.90 01:00:01 1.44 0.00 1.40 0.04 0.00 17.49 1.46 01:10:11 1.19 0.00 1.17 0.02 0.00 14.74 1.08 01:20:01 1.23 0.00 1.21 0.02 0.01 15.08 1.23 01:30:01 1.46 0.00 1.42 0.03 0.00 17.90 1.48 Average: 1.46 0.05 1.38 0.03 5.56 68.15 1.55 00:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:11 5778716 7501552 288944 3.55 61604 1841460 564352 6.15 477288 1619736 184 00:50:05 5737404 7487228 303000 3.73 61920 1867636 759024 8.27 488452 1637232 172 01:00:01 5733432 7483660 306320 3.77 62132 1868044 564620 6.15 489636 1637772 160 01:10:11 5733432 7484168 305808 3.76 62308 1868368 564620 6.15 490832 1638272 180 01:20:01 5741244 7492488 297480 3.66 62480 1868700 564620 6.15 492868 1638776 160 01:30:01 5742300 7494200 295772 3.64 62664 1869152 564620 6.15 493900 1639284 276 Average: 5744421 7490549 299554 3.68 62185 1863893 596976 6.50 488829 1635179 189 00:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:11 ens3 3.37 0.28 0.63 0.20 0.00 0.00 0.00 0.00 00:50:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:05 ens3 1.30 0.31 3.27 0.08 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 0.48 0.07 0.08 0.03 0.00 0.00 0.00 0.00 01:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:11 ens3 0.47 0.07 0.09 0.03 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.43 0.08 0.11 0.06 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.29 0.07 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 1.06 0.15 0.71 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-11533) 05/07/26 _x86_64_ (2 CPU) 00:28:30 LINUX RESTART (2 CPU) 00:30:02 CPU %user %nice %system %iowait %steal %idle 00:40:11 all 0.28 0.00 0.08 0.03 0.02 99.58 00:40:11 0 0.34 0.00 0.09 0.03 0.02 99.52 00:40:11 1 0.23 0.00 0.07 0.03 0.02 99.65 00:50:05 all 0.37 0.00 0.11 0.02 0.02 99.49 00:50:05 0 0.17 0.00 0.11 0.02 0.02 99.68 00:50:05 1 0.56 0.00 0.10 0.01 0.02 99.30 01:00:01 all 0.26 0.00 0.15 0.01 0.02 99.57 01:00:01 0 0.38 0.00 0.15 0.01 0.01 99.45 01:00:01 1 0.13 0.00 0.15 0.01 0.02 99.68 01:10:11 all 0.23 0.00 0.07 0.01 0.02 99.68 01:10:11 0 0.06 0.00 0.09 0.00 0.02 99.83 01:10:11 1 0.40 0.00 0.05 0.01 0.01 99.52 01:20:01 all 0.25 0.00 0.06 0.02 0.02 99.66 01:20:01 0 0.05 0.00 0.08 0.00 0.02 99.84 01:20:01 1 0.44 0.00 0.04 0.03 0.01 99.48 01:30:01 all 0.26 0.00 0.15 0.01 0.02 99.56 01:30:01 0 0.30 0.00 0.15 0.01 0.02 99.52 01:30:01 1 0.22 0.00 0.15 0.01 0.02 99.60 Average: all 0.27 0.00 0.10 0.02 0.02 99.59 Average: 0 0.22 0.00 0.11 0.01 0.02 99.64 Average: 1 0.33 0.00 0.10 0.02 0.02 99.54