---> uname -a: Linux prd-queue-disttest-2c-1g-11879 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 689 5518 4 2017 7252 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:48:84:2f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.39/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82553sec preferred_lft 82553sec inet6 fe80::f816:3eff:fe48:842f/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-11879) 05/08/26 _x86_64_ (2 CPU) 01:48:41 LINUX RESTART (2 CPU) 01:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:02 2.52 0.03 2.42 0.08 1.24 670.28 3.57 02:10:01 1.77 0.26 1.50 0.01 31.10 73.52 0.29 02:20:02 1.23 0.01 1.22 0.01 1.06 14.78 0.20 02:30:02 1.44 0.00 1.42 0.02 0.00 17.72 0.28 02:40:02 1.19 0.00 1.19 0.00 0.00 14.88 0.00 02:50:02 14.09 0.00 1.20 12.89 0.15 14.65 107753.42 Average: 3.71 0.05 1.49 2.17 5.58 134.28 17959.68 01:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:02 5777480 7500552 290336 3.57 61620 1841676 535168 5.83 465312 1619800 176 02:10:01 5742352 7491956 298452 3.67 61932 1867632 729644 7.95 479764 1637304 128 02:20:02 5753512 7503924 286496 3.52 62096 1868268 535308 5.83 474524 1637792 192 02:30:02 5751224 7502156 288216 3.54 62256 1868596 535312 5.83 474548 1638280 220 02:40:02 5750828 7502228 288136 3.54 62392 1868924 535376 5.83 474584 1638744 212 02:50:02 5748716 7500768 289512 3.56 62540 1869420 535384 5.83 474828 1639232 276 Average: 5754019 7500264 290191 3.57 62139 1864086 567699 6.18 473927 1635192 201 01:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:02 ens3 2.59 0.19 0.46 0.14 0.00 0.00 0.00 0.00 02:10:01 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 1.22 0.23 3.19 0.03 0.00 0.00 0.00 0.00 02:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:02 ens3 0.41 0.02 2.27 0.01 0.00 0.00 0.00 0.00 02:30:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:02 ens3 0.30 0.03 0.06 0.01 0.00 0.00 0.00 0.00 02:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:02 ens3 0.46 0.07 0.30 0.07 0.00 0.00 0.00 0.00 02:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:02 ens3 0.25 0.07 0.07 0.04 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 0.87 0.10 1.06 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-11879) 05/08/26 _x86_64_ (2 CPU) 01:48:41 LINUX RESTART (2 CPU) 01:50:02 CPU %user %nice %system %iowait %steal %idle 02:00:02 all 0.33 0.00 0.20 0.02 0.04 99.42 02:00:02 0 0.10 0.00 0.22 0.03 0.04 99.61 02:00:02 1 0.56 0.00 0.18 0.01 0.03 99.22 02:10:01 all 0.36 0.00 0.10 0.02 0.03 99.49 02:10:01 0 0.27 0.00 0.12 0.02 0.04 99.56 02:10:01 1 0.45 0.00 0.08 0.02 0.03 99.42 02:20:02 all 0.24 0.00 0.06 0.01 0.03 99.66 02:20:02 0 0.36 0.00 0.05 0.01 0.02 99.55 02:20:02 1 0.12 0.00 0.07 0.00 0.03 99.77 02:30:02 all 0.25 0.00 0.17 0.01 0.03 99.55 02:30:02 0 0.43 0.00 0.15 0.01 0.02 99.38 02:30:02 1 0.06 0.00 0.18 0.00 0.03 99.72 02:40:02 all 0.26 0.00 0.06 0.01 0.02 99.65 02:40:02 0 0.46 0.00 0.04 0.01 0.02 99.48 02:40:02 1 0.05 0.00 0.08 0.01 0.03 99.83 02:50:02 all 0.26 0.00 0.08 0.03 0.03 99.61 02:50:02 0 0.35 0.00 0.05 0.01 0.02 99.57 02:50:02 1 0.17 0.00 0.11 0.05 0.03 99.65 Average: all 0.28 0.00 0.11 0.01 0.03 99.56 Average: 0 0.33 0.00 0.11 0.01 0.03 99.52 Average: 1 0.24 0.00 0.12 0.01 0.03 99.60