---> uname -a: Linux prd-queue-disttest-2c-1g-33835 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 702 5426 4 2099 7239 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:67:ac:47 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.168/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82183sec preferred_lft 82183sec inet6 fe80::f816:3eff:fe67:ac47/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-33835) 07/08/26 _x86_64_ (2 CPU) 00:28:23 LINUX RESTART (2 CPU) 00:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:03 2.47 0.02 2.37 0.07 1.24 786.69 0.96 00:50:03 1.84 0.26 1.55 0.02 32.09 76.07 0.37 01:00:01 1.46 0.00 1.44 0.02 0.00 18.07 0.40 01:10:03 1.21 0.00 1.19 0.02 0.00 14.41 1.20 01:20:03 1.34 0.00 1.32 0.02 0.01 16.88 0.80 01:30:01 1.65 0.00 1.62 0.04 0.00 19.98 0.48 Average: 1.66 0.05 1.58 0.03 5.56 155.81 0.70 00:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:03 5703516 7518548 267640 3.29 63508 1927756 533156 5.81 463256 1708000 180 00:50:03 5652280 7494608 291040 3.58 63804 1954536 533220 5.81 472488 1725996 236 01:00:01 5646508 7489352 296288 3.64 63976 1954860 533356 5.81 472400 1726496 236 01:10:03 5646508 7489832 295796 3.64 64116 1955192 533356 5.81 472428 1726968 180 01:20:03 5646268 7490156 295416 3.63 64328 1955536 588436 6.41 478000 1727520 200 01:30:01 5644564 7489116 296492 3.65 64524 1955988 533360 5.81 472700 1728044 240 Average: 5656607 7495269 290445 3.57 64043 1950645 542481 5.91 471879 1723837 212 00:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:03 ens3 3.66 0.30 0.88 0.22 0.00 0.00 0.00 0.00 00:50:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:03 ens3 1.30 0.28 3.31 0.07 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 0.44 0.04 0.07 0.03 0.00 0.00 0.00 0.00 01:10:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 0.40 0.05 0.10 0.03 0.00 0.00 0.00 0.00 01:20:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:03 ens3 0.43 0.08 0.12 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 0.27 0.06 0.06 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 1.08 0.13 0.76 0.08 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-33835) 07/08/26 _x86_64_ (2 CPU) 00:28:23 LINUX RESTART (2 CPU) 00:30:01 CPU %user %nice %system %iowait %steal %idle 00:40:03 all 0.29 0.00 0.11 0.03 0.03 99.54 00:40:03 0 0.44 0.00 0.09 0.04 0.02 99.40 00:40:03 1 0.14 0.00 0.13 0.01 0.03 99.69 00:50:03 all 0.38 0.00 0.11 0.02 0.03 99.46 00:50:03 0 0.46 0.00 0.08 0.02 0.02 99.42 00:50:03 1 0.30 0.00 0.13 0.02 0.04 99.51 01:00:01 all 0.24 0.00 0.16 0.01 0.03 99.57 01:00:01 0 0.06 0.00 0.16 0.01 0.04 99.73 01:00:01 1 0.41 0.00 0.15 0.01 0.02 99.41 01:10:03 all 0.22 0.00 0.06 0.01 0.03 99.68 01:10:03 0 0.04 0.00 0.08 0.01 0.04 99.83 01:10:03 1 0.40 0.00 0.04 0.00 0.02 99.53 01:20:03 all 0.27 0.00 0.07 0.01 0.03 99.63 01:20:03 0 0.05 0.00 0.08 0.01 0.04 99.82 01:20:03 1 0.49 0.00 0.05 0.01 0.02 99.43 01:30:01 all 0.24 0.00 0.16 0.01 0.03 99.56 01:30:01 0 0.40 0.00 0.13 0.01 0.02 99.45 01:30:01 1 0.09 0.00 0.19 0.01 0.04 99.66 Average: all 0.27 0.00 0.11 0.01 0.03 99.57 Average: 0 0.24 0.00 0.10 0.02 0.03 99.61 Average: 1 0.30 0.00 0.12 0.01 0.03 99.54