---> uname -a: Linux prd-queue-disttest-2c-1g-2168 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 695 5436 4 2097 7246 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:da:8a:fe brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.146/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82705sec preferred_lft 82705sec inet6 fe80::f816:3eff:feda:8afe/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-2168) 08/05/26 _x86_64_ (2 CPU) 00:33:21 LINUX RESTART (2 CPU) 00:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:02 1.24 0.01 1.23 0.00 0.05 15.26 0.29 01:00:03 1.48 0.00 1.46 0.02 0.00 18.95 0.25 01:10:02 1.32 0.00 1.31 0.01 0.00 15.55 0.88 01:20:03 2.30 0.71 1.56 0.02 94.11 75.48 57.57 01:30:03 1.66 0.00 1.62 0.04 1.05 20.10 1.80 Average: 1.60 0.14 1.44 0.02 19.05 29.07 12.16 00:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:02 5694924 7503988 282292 3.47 63704 1921604 536284 5.84 464624 1703496 176 01:00:03 5688132 7497688 288508 3.55 63864 1921928 536440 5.84 464696 1703980 184 01:10:02 5690512 7500540 285652 3.51 64000 1922268 536440 5.84 464712 1704452 184 01:20:03 5635116 7474380 311312 3.83 64444 1950796 729948 7.95 481712 1722976 272 01:30:03 5652844 7492940 292768 3.60 64616 1951428 536508 5.84 475600 1723476 192 Average: 5672306 7493907 292106 3.59 64126 1933605 575124 6.26 470269 1711676 202 00:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:02 ens3 3.45 0.20 0.57 0.16 0.00 0.00 0.00 0.00 01:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 0.51 0.03 0.06 0.01 0.00 0.00 0.00 0.00 01:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:02 ens3 0.42 0.08 0.08 0.04 0.00 0.00 0.00 0.00 01:20:03 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:03 ens3 0.69 0.30 3.34 0.10 0.00 0.00 0.00 0.00 01:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:03 ens3 0.31 0.06 0.08 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 1.08 0.13 0.83 0.07 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-queue-disttest-2c-1g-2168) 08/05/26 _x86_64_ (2 CPU) 00:33:21 LINUX RESTART (2 CPU) 00:40:02 CPU %user %nice %system %iowait %steal %idle 00:50:02 all 0.23 0.00 0.09 0.01 0.04 99.62 00:50:02 0 0.27 0.00 0.08 0.01 0.04 99.60 00:50:02 1 0.20 0.00 0.10 0.01 0.04 99.65 01:00:03 all 0.27 0.00 0.16 0.01 0.05 99.51 01:00:03 0 0.47 0.00 0.13 0.01 0.02 99.36 01:00:03 1 0.08 0.00 0.18 0.01 0.07 99.67 01:10:02 all 0.25 0.00 0.06 0.01 0.05 99.63 01:10:02 0 0.47 0.00 0.03 0.00 0.02 99.48 01:10:02 1 0.04 0.00 0.09 0.02 0.07 99.78 01:20:03 all 0.32 0.00 0.11 0.03 0.05 99.49 01:20:03 0 0.22 0.00 0.11 0.03 0.05 99.60 01:20:03 1 0.43 0.00 0.12 0.04 0.05 99.37 01:30:03 all 0.23 0.00 0.17 0.01 0.05 99.54 01:30:03 0 0.18 0.00 0.19 0.01 0.05 99.57 01:30:03 1 0.27 0.00 0.15 0.01 0.05 99.51 Average: all 0.26 0.00 0.12 0.01 0.05 99.56 Average: 0 0.32 0.00 0.11 0.01 0.04 99.52 Average: 1 0.21 0.00 0.13 0.02 0.06 99.60