---> uname -a: Linux prd-queue-disttest-2c-1g-2488 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 697 5433 4 2098 7244 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:e5:50:21 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.109/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81716sec preferred_lft 81716sec inet6 fe80::f816:3eff:fee5:5021/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-queue-disttest-2c-1g-2488) 08/06/26 _x86_64_ (2 CPU) 01:46:36 LINUX RESTART (2 CPU) 01:50:24 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:00:01 15.62 0.03 1.44 14.15 1.44 18.41 111602.92 02:10:24 2.20 0.69 1.48 0.03 91.86 73.51 55.01 02:20:23 1.19 0.00 1.18 0.01 0.01 14.68 0.65 02:30:01 1.42 0.00 1.40 0.02 0.00 17.71 0.26 02:40:23 1.21 0.00 1.21 0.00 0.00 15.23 0.00 02:50:10 1.18 0.00 1.18 0.00 0.00 14.83 0.01 03:00:01 1.38 0.00 1.37 0.02 0.00 17.31 0.28 Average: 3.40 0.11 1.32 1.97 13.88 24.85 15439.50 01:50:24 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:00:01 5681784 7491316 295432 3.63 63668 1921892 531096 5.78 467496 1703188 316 02:10:24 5655836 7494788 291320 3.58 64120 1950620 531096 5.78 478208 1721728 188 02:20:23 5655108 7494576 291520 3.58 64292 1950948 531252 5.79 478320 1722240 176 02:30:01 5646824 7486784 299304 3.68 64448 1951276 531308 5.79 478412 1722724 164 02:40:23 5649232 7489852 296160 3.64 64584 1951732 537692 5.86 478680 1723188 188 02:50:10 5649232 7490332 295636 3.64 64728 1952060 537704 5.86 478640 1723660 200 03:00:01 5656928 7498508 287424 3.53 64852 1952380 537728 5.86 478840 1724104 240 Average: 5656421 7492308 293828 3.61 64385 1947273 533982 5.82 476942 1720119 210 01:50:24 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 2.60 0.12 0.38 0.08 0.00 0.00 0.00 0.00 02:10:24 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:10:24 ens3 0.93 0.24 3.15 0.03 0.00 0.00 0.00 0.00 02:20:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:23 ens3 0.43 0.06 0.08 0.03 0.00 0.00 0.00 0.00 02:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:01 ens3 0.28 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:40:23 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:23 ens3 6.59 4.23 4.01 6.45 0.00 0.00 0.00 0.00 02:50:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:10 ens3 0.54 0.11 0.15 0.08 0.00 0.00 0.00 0.00 03:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:01 ens3 0.32 0.08 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 1.70 0.72 1.17 1.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-queue-disttest-2c-1g-2488) 08/06/26 _x86_64_ (2 CPU) 01:46:36 LINUX RESTART (2 CPU) 01:50:24 CPU %user %nice %system %iowait %steal %idle 02:00:01 all 0.30 0.00 0.19 0.03 0.03 99.45 02:00:01 0 0.42 0.00 0.19 0.05 0.03 99.31 02:00:01 1 0.18 0.00 0.20 0.01 0.03 99.58 02:10:24 all 0.35 0.00 0.11 0.02 0.03 99.49 02:10:24 0 0.46 0.00 0.08 0.01 0.02 99.44 02:10:24 1 0.25 0.00 0.13 0.04 0.04 99.55 02:20:23 all 0.26 0.00 0.07 0.02 0.03 99.63 02:20:23 0 0.48 0.00 0.05 0.01 0.02 99.44 02:20:23 1 0.04 0.00 0.08 0.03 0.04 99.81 02:30:01 all 0.27 0.00 0.16 0.01 0.03 99.53 02:30:01 0 0.32 0.00 0.17 0.00 0.03 99.48 02:30:01 1 0.22 0.00 0.15 0.01 0.03 99.59 02:40:23 all 0.43 0.00 0.12 0.00 0.03 99.41 02:40:23 0 0.30 0.00 0.13 0.00 0.04 99.52 02:40:23 1 0.56 0.00 0.10 0.01 0.03 99.30 02:50:10 all 0.25 0.00 0.10 0.01 0.02 99.63 02:50:10 0 0.36 0.00 0.08 0.00 0.02 99.54 02:50:10 1 0.13 0.00 0.11 0.01 0.03 99.72 03:00:01 all 0.30 0.00 0.16 0.01 0.02 99.51 03:00:01 0 0.16 0.00 0.17 0.01 0.03 99.63 03:00:01 1 0.45 0.00 0.14 0.01 0.02 99.39 Average: all 0.31 0.00 0.13 0.01 0.03 99.52 Average: 0 0.36 0.00 0.12 0.01 0.03 99.48 Average: 1 0.26 0.00 0.13 0.02 0.03 99.56