---> uname -a: Linux prd-queue-disttest-2c-1g-22107 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 717 5425 4 2085 7224 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:49:5e:63 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.82/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82318sec preferred_lft 82318sec inet6 fe80::f816:3eff:fe49:5e63/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-22107) 06/01/26 _x86_64_ (2 CPU) 02:48:41 LINUX RESTART (2 CPU) 02:50:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:00:06 5.38 0.32 4.86 0.21 38.50 1388.42 27.93 03:10:06 1.32 0.02 1.29 0.00 0.65 15.44 0.16 03:20:06 14.20 0.01 1.26 12.93 0.16 14.89 107524.15 03:30:06 1.49 0.00 1.45 0.04 0.00 19.61 1.40 03:40:06 1.29 0.00 1.27 0.02 0.00 15.64 1.20 03:50:06 1.20 0.00 1.18 0.02 0.00 14.96 1.20 Average: 4.15 0.06 1.89 2.20 6.58 245.74 17911.80 02:50:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:00:06 5670496 7492408 294104 3.62 63220 1935632 541804 5.90 477228 1707008 244 03:10:06 5663700 7486308 300000 3.69 63396 1936140 541804 5.90 477096 1707580 260 03:20:06 5677888 7501036 285152 3.51 63544 1936512 541944 5.90 477168 1708072 244 03:30:06 5670960 7494640 291508 3.58 63740 1936840 542008 5.90 477260 1708588 272 03:40:06 5670708 7495024 291124 3.58 63908 1937296 542008 5.90 477432 1709092 164 03:50:06 5670708 7495540 290600 3.57 64088 1937624 542080 5.90 477356 1709600 244 Average: 5670743 7494159 292081 3.59 63649 1936674 541941 5.90 477257 1708323 238 02:50:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:00:06 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 03:00:06 ens3 5.02 1.67 44.34 0.32 0.00 0.00 0.00 0.00 03:10:06 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 03:10:06 ens3 1.84 0.07 0.22 0.02 0.00 0.00 0.00 0.00 03:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:06 ens3 0.72 0.03 0.07 0.01 0.00 0.00 0.00 0.00 03:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:06 ens3 0.84 0.07 1.57 0.05 0.00 0.00 0.00 0.00 03:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:06 ens3 0.78 0.05 0.14 0.03 0.00 0.00 0.00 0.00 03:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:06 ens3 0.29 0.03 0.05 0.01 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 1.58 0.32 7.76 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-22107) 06/01/26 _x86_64_ (2 CPU) 02:48:41 LINUX RESTART (2 CPU) 02:50:03 CPU %user %nice %system %iowait %steal %idle 03:00:06 all 1.24 0.00 0.39 0.05 0.02 98.29 03:00:06 0 2.25 0.00 0.46 0.09 0.02 97.17 03:00:06 1 0.24 0.00 0.31 0.01 0.03 99.41 03:10:06 all 0.29 0.00 0.10 0.01 0.02 99.58 03:10:06 0 0.11 0.00 0.13 0.01 0.03 99.73 03:10:06 1 0.47 0.00 0.08 0.01 0.02 99.42 03:20:06 all 0.23 0.00 0.08 0.02 0.02 99.64 03:20:06 0 0.06 0.00 0.12 0.04 0.03 99.75 03:20:06 1 0.40 0.00 0.05 0.01 0.02 99.53 03:30:06 all 0.26 0.00 0.19 0.02 0.02 99.50 03:30:06 0 0.28 0.00 0.19 0.04 0.02 99.46 03:30:06 1 0.24 0.00 0.19 0.00 0.03 99.55 03:40:06 all 0.24 0.00 0.07 0.01 0.02 99.66 03:40:06 0 0.44 0.00 0.04 0.01 0.02 99.49 03:40:06 1 0.05 0.00 0.09 0.00 0.03 99.83 03:50:06 all 0.26 0.00 0.06 0.01 0.03 99.65 03:50:06 0 0.47 0.00 0.04 0.01 0.02 99.47 03:50:06 1 0.05 0.00 0.09 0.00 0.03 99.83 Average: all 0.42 0.00 0.15 0.02 0.02 99.39 Average: 0 0.60 0.00 0.16 0.04 0.02 99.18 Average: 1 0.24 0.00 0.13 0.01 0.03 99.60