---> uname -a: Linux prd-queue-disttest-2c-1g-37105 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 739 5401 4 2088 7202 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:2c:4e:43 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.57/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81443sec preferred_lft 81443sec inet6 fe80::f816:3eff:fe2c:4e43/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-queue-disttest-2c-1g-37105) 08/13/26 _x86_64_ (2 CPU) 00:32:37 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:08 1.29 0.01 1.27 0.01 1.09 15.71 0.42 01:00:01 2.58 0.00 2.26 0.32 0.00 143.15 77.15 01:10:01 8.03 0.37 6.26 1.40 32.47 432.53 1208.13 01:20:08 1.23 0.00 1.21 0.02 0.01 14.97 1.90 01:30:01 1.42 0.00 1.38 0.04 0.00 17.63 2.39 01:40:01 5.11 0.00 4.10 1.00 0.07 195.60 942.21 01:50:08 1.21 0.00 1.19 0.02 0.00 14.52 2.11 Average: 2.97 0.06 2.52 0.40 4.80 118.77 318.59 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:08 5637456 7473864 312500 3.84 64024 1948568 554260 6.04 490260 1719872 172 01:00:01 5612964 7458436 327416 4.03 65224 1956100 555816 6.05 499060 1728604 240 01:10:01 5622560 7467112 316100 3.89 71456 1946708 556900 6.07 506008 1719788 204 01:20:08 5639344 7484516 298736 3.67 71612 1947160 556964 6.07 506388 1720276 216 01:30:01 5625040 7470708 312456 3.84 71756 1947492 557124 6.07 506240 1720752 160 01:40:01 5601776 7442452 340468 4.19 75056 1938956 566524 6.17 514540 1715516 196 01:50:08 5601284 7442424 340496 4.19 75196 1939280 566528 6.17 514756 1715980 188 Average: 5620061 7462787 321167 3.95 70618 1946323 559159 6.09 505322 1720113 197 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:08 ens3 2.16 0.11 0.29 0.06 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 2.17 0.64 0.81 0.38 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 11.26 6.15 41.52 1.89 0.00 0.00 0.00 0.00 01:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:08 ens3 1.13 0.11 1.08 0.07 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 0.64 0.12 0.18 0.11 0.00 0.00 0.00 0.00 01:40:01 lo 1.13 1.13 0.06 0.06 0.00 0.00 0.00 0.00 01:40:01 ens3 6.41 5.54 11.66 3.70 0.00 0.00 0.00 0.00 01:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:08 ens3 0.35 0.08 0.08 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 3.44 1.82 7.94 0.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-queue-disttest-2c-1g-37105) 08/13/26 _x86_64_ (2 CPU) 00:32:37 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:08 all 0.20 0.00 0.09 0.03 0.04 99.65 00:50:08 0 0.24 0.00 0.09 0.00 0.03 99.64 00:50:08 1 0.15 0.00 0.09 0.06 0.04 99.66 01:00:01 all 1.12 0.00 0.26 0.03 0.04 98.55 01:00:01 0 0.26 0.00 0.24 0.04 0.04 99.41 01:00:01 1 1.97 0.00 0.29 0.02 0.04 97.68 01:10:01 all 4.86 0.00 0.63 0.56 0.05 93.90 01:10:01 0 6.71 0.00 0.66 0.25 0.05 92.33 01:10:01 1 3.01 0.00 0.60 0.87 0.05 95.46 01:20:08 all 0.26 0.00 0.08 0.01 0.04 99.62 01:20:08 0 0.05 0.00 0.11 0.01 0.05 99.77 01:20:08 1 0.47 0.00 0.04 0.00 0.02 99.47 01:30:01 all 0.27 0.00 0.17 0.20 0.04 99.32 01:30:01 0 0.14 0.00 0.18 0.40 0.05 99.23 01:30:01 1 0.40 0.00 0.16 0.00 0.03 99.42 01:40:01 all 3.72 0.00 0.45 0.11 0.05 95.66 01:40:01 0 3.78 0.00 0.41 0.13 0.04 95.64 01:40:01 1 3.65 0.00 0.50 0.09 0.07 95.69 01:50:08 all 0.22 0.00 0.07 0.01 0.04 99.66 01:50:08 0 0.38 0.00 0.06 0.00 0.02 99.53 01:50:08 1 0.06 0.00 0.08 0.01 0.06 99.79 Average: all 1.52 0.00 0.25 0.13 0.04 98.06 Average: 0 1.65 0.00 0.25 0.12 0.04 97.94 Average: 1 1.38 0.00 0.25 0.15 0.04 98.17