---> uname -a: Linux prd-queue-disttest-2c-1g-37605 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 UTC 2026 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 Indirect target selection: 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 Tsa: 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 712 5427 4 2089 7229 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:4d:c4:1c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.176/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82665sec preferred_lft 82665sec inet6 fe80::f816:3eff:fe4d:c41c/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-queue-disttest-2c-1g-37605) 08/15/26 _x86_64_ (2 CPU) 00:32:55 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.22 0.01 1.20 0.02 0.05 14.95 1.73 01:00:01 2.79 0.00 2.47 0.32 0.00 144.32 65.21 01:10:01 7.75 0.37 6.00 1.37 32.47 426.67 1446.18 01:20:01 2.19 0.71 1.47 0.01 94.16 75.15 56.12 01:30:01 1.50 0.01 1.47 0.03 1.05 18.45 0.28 Average: 3.09 0.22 2.52 0.35 25.55 135.93 313.97 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 5693316 7505524 280808 3.45 63736 1924824 528004 5.75 464436 1706980 160 01:00:01 5668148 7489276 296796 3.65 64944 1932356 529392 5.77 465580 1715720 284 01:10:01 5678848 7498556 284960 3.50 71228 1922416 530500 5.78 472792 1706416 276 01:20:01 5622280 7471264 311640 3.83 71636 1950988 725448 7.90 489492 1725048 192 01:30:01 5631932 7481876 301080 3.70 71772 1951756 530532 5.78 483760 1725540 160 Average: 5658905 7489299 295057 3.63 68663 1936468 568775 6.20 475212 1715941 214 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 3.33 0.20 0.54 0.16 0.00 0.00 0.00 0.00 01:00:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 2.42 0.62 0.78 0.37 0.00 0.00 0.00 0.00 01:10:01 lo 1.14 1.14 0.07 0.07 0.00 0.00 0.00 0.00 01:10:01 ens3 10.18 6.65 27.34 1.85 0.00 0.00 0.00 0.00 01:20:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 1.76 0.33 3.46 0.12 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 0.54 0.11 0.33 0.07 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 3.65 1.58 6.49 0.51 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-queue-disttest-2c-1g-37605) 08/15/26 _x86_64_ (2 CPU) 00:32:55 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.30 0.00 0.07 0.01 0.03 99.59 00:50:01 0 0.42 0.00 0.07 0.00 0.03 99.48 00:50:01 1 0.18 0.00 0.08 0.01 0.03 99.70 01:00:01 all 1.11 0.00 0.25 0.02 0.03 98.58 01:00:01 0 1.89 0.00 0.29 0.01 0.03 97.78 01:00:01 1 0.33 0.00 0.22 0.03 0.03 99.39 01:10:01 all 4.81 0.00 0.60 0.21 0.04 94.34 01:10:01 0 3.96 0.00 0.54 0.27 0.03 95.20 01:10:01 1 5.66 0.00 0.67 0.14 0.05 93.48 01:20:01 all 0.34 0.00 0.11 0.03 0.03 99.49 01:20:01 0 0.28 0.00 0.14 0.05 0.04 99.49 01:20:01 1 0.40 0.00 0.08 0.00 0.03 99.50 01:30:01 all 0.26 0.00 0.17 0.01 0.03 99.53 01:30:01 0 0.35 0.00 0.17 0.02 0.03 99.44 01:30:01 1 0.17 0.00 0.17 0.00 0.03 99.63 Average: all 1.36 0.00 0.24 0.05 0.03 98.31 Average: 0 1.38 0.00 0.24 0.07 0.03 98.28 Average: 1 1.35 0.00 0.24 0.04 0.04 98.34