---> uname -a: Linux prd-queue-disttest-2c-1g-41003 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 698 5440 4 2091 7243 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:e9:c3:68 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.226/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81255sec preferred_lft 81255sec inet6 fe80::f816:3eff:fee9:c368/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-queue-disttest-2c-1g-41003) 08/26/26 _x86_64_ (2 CPU) 00:28:42 LINUX RESTART (2 CPU) 00:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:22 6.21 0.72 5.41 0.09 93.38 1345.97 55.44 00:50:01 15.53 0.01 1.41 14.11 0.21 16.64 111324.42 01:00:22 9.00 0.36 7.01 1.63 31.38 539.53 1456.56 01:10:22 1.23 0.00 1.21 0.02 0.00 14.79 1.12 01:20:12 1.29 0.00 1.27 0.02 0.01 15.71 1.14 01:30:22 1.40 0.00 1.37 0.03 0.00 17.09 1.40 01:40:22 5.20 0.00 4.24 0.96 0.07 197.96 787.55 01:50:22 1.23 0.00 1.21 0.02 0.00 15.00 1.20 Average: 5.11 0.14 2.93 2.05 16.10 277.26 13663.28 00:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:22 5650696 7488924 296144 3.64 63824 1951448 535816 5.84 475652 1721188 220 00:50:01 5649940 7488692 296176 3.64 63956 1951820 535832 5.84 475728 1721672 172 01:00:22 5654588 7500476 281424 3.46 71264 1949036 538504 5.87 484356 1720548 248 01:10:22 5660468 7506880 275020 3.38 71468 1949360 538504 5.87 484108 1721076 132 01:20:12 5659460 7506496 275404 3.39 71636 1949816 538604 5.87 484532 1721572 144 01:30:22 5644944 7492484 289368 3.56 71808 1950144 538604 5.87 484432 1722072 200 01:40:22 5643160 7485620 295964 3.64 75060 1941604 538136 5.86 484640 1716784 136 01:50:22 5645052 7487972 293628 3.61 75220 1941932 538208 5.86 484752 1717264 192 Average: 5651038 7494693 287891 3.54 70530 1948145 537776 5.86 482275 1720272 180 00:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:22 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 00:40:22 ens3 3.81 0.81 3.90 0.22 0.00 0.00 0.00 0.00 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 1.40 0.14 0.22 0.10 0.00 0.00 0.00 0.00 01:00:22 lo 1.15 1.15 0.07 0.07 0.00 0.00 0.00 0.00 01:00:22 ens3 11.09 6.94 27.27 2.18 0.00 0.00 0.00 0.00 01:10:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:22 ens3 1.39 0.07 1.12 0.03 0.00 0.00 0.00 0.00 01:20:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:12 ens3 0.84 0.15 0.21 0.12 0.00 0.00 0.00 0.00 01:30:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:22 ens3 0.73 0.07 3.67 0.04 0.00 0.00 0.00 0.00 01:40:22 lo 1.13 1.13 0.06 0.06 0.00 0.00 0.00 0.00 01:40:22 ens3 6.71 5.53 12.28 3.41 0.00 0.00 0.00 0.00 01:50:22 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:22 ens3 0.44 0.07 0.09 0.04 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 3.35 1.75 6.21 0.77 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-queue-disttest-2c-1g-41003) 08/26/26 _x86_64_ (2 CPU) 00:28:42 LINUX RESTART (2 CPU) 00:30:02 CPU %user %nice %system %iowait %steal %idle 00:40:22 all 0.43 0.00 0.21 0.04 0.02 99.29 00:40:22 0 0.33 0.00 0.21 0.01 0.03 99.42 00:40:22 1 0.54 0.00 0.20 0.08 0.02 99.16 00:50:01 all 0.28 0.00 0.10 0.03 0.02 99.57 00:50:01 0 0.21 0.00 0.12 0.04 0.02 99.61 00:50:01 1 0.35 0.00 0.08 0.02 0.02 99.54 01:00:22 all 5.49 0.00 0.76 0.15 0.03 93.57 01:00:22 0 7.83 0.00 0.89 0.26 0.03 90.99 01:00:22 1 3.13 0.00 0.64 0.04 0.04 96.15 01:10:22 all 0.27 0.00 0.09 0.01 0.02 99.62 01:10:22 0 0.49 0.00 0.06 0.01 0.02 99.43 01:10:22 1 0.05 0.00 0.11 0.01 0.03 99.80 01:20:12 all 0.25 0.00 0.09 0.01 0.02 99.64 01:20:12 0 0.44 0.00 0.07 0.01 0.02 99.47 01:20:12 1 0.06 0.00 0.11 0.00 0.02 99.81 01:30:22 all 0.27 0.00 0.17 0.01 0.02 99.53 01:30:22 0 0.26 0.00 0.16 0.01 0.02 99.55 01:30:22 1 0.28 0.00 0.18 0.00 0.03 99.52 01:40:22 all 3.78 0.00 0.48 0.08 0.03 95.62 01:40:22 0 2.83 0.00 0.46 0.04 0.03 96.64 01:40:22 1 4.73 0.00 0.51 0.13 0.03 94.61 01:50:22 all 0.24 0.00 0.09 0.01 0.02 99.64 01:50:22 0 0.43 0.00 0.06 0.01 0.01 99.49 01:50:22 1 0.06 0.00 0.11 0.00 0.03 99.79 Average: all 1.39 0.00 0.25 0.04 0.02 98.29 Average: 0 1.63 0.00 0.26 0.05 0.02 98.04 Average: 1 1.16 0.00 0.25 0.04 0.02 98.53