---> uname -a: Linux prd-queue-disttest-2c-1g-8247 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 7.9G 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 716 5359 4 2163 7225 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:61:9e:66 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.182/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79455sec preferred_lft 79455sec inet6 fe80::f816:3eff:fe61:9e66/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-8247) 09/15/26 _x86_64_ (2 CPU) 00:32:52 LINUX RESTART (2 CPU) 00:40:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:06 15.39 13.53 1.80 0.05 150.62 43.23 245.78 01:00:06 2.59 0.00 2.34 0.25 0.00 145.03 512.60 01:10:06 7.73 0.39 5.94 1.41 33.09 435.55 5066.56 01:20:05 1.34 0.00 1.32 0.02 0.01 15.91 2.94 01:30:06 2.18 0.32 1.81 0.04 43.04 108.19 3.49 01:40:06 1.33 0.00 1.32 0.02 0.00 15.67 2.93 01:50:06 15.02 0.00 1.37 13.64 0.15 16.27 107381.88 02:00:06 1.68 0.00 1.64 0.03 0.00 19.96 3.40 02:10:06 5.30 0.00 4.15 1.15 0.03 193.81 957.26 02:20:06 1.22 0.00 1.20 0.02 0.00 14.72 2.64 Average: 5.38 1.43 2.29 1.66 22.70 100.85 11417.79 00:40:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:06 5635672 7493596 283060 3.48 66780 1960304 525232 5.72 464028 1742676 224 01:00:06 5627592 7495308 280896 3.45 68688 1967868 526568 5.74 465380 1752148 248 01:10:06 5619960 7487216 286372 3.52 76116 1957764 528020 5.75 472452 1743820 204 01:20:05 5619720 7487452 286160 3.52 76276 1958088 528020 5.75 472456 1744296 284 01:30:06 5542284 7449936 322908 3.97 76728 1997052 729748 7.95 490772 1773512 216 01:40:06 5542284 7450444 322460 3.97 76904 1997376 729752 7.95 490696 1774012 212 01:50:06 5542036 7450752 322072 3.96 77096 1997744 729752 7.95 490768 1774536 248 02:00:06 5554888 7464132 308612 3.79 77264 1998076 729752 7.95 490768 1775044 212 02:10:06 5570952 7477804 294572 3.62 83080 1989524 729420 7.94 491428 1772308 212 02:20:06 5570224 7477684 294684 3.62 83232 1989984 729412 7.94 491584 1772788 220 Average: 5582561 7473432 300180 3.69 76216 1981378 648568 7.06 482033 1762514 228 00:40:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:06 ens3 2.49 0.14 0.32 0.08 0.00 0.00 0.00 0.00 01:00:06 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:00:06 ens3 2.00 0.69 0.72 0.39 0.00 0.00 0.00 0.00 01:10:06 lo 1.14 1.14 0.07 0.07 0.00 0.00 0.00 0.00 01:10:06 ens3 11.28 6.95 29.66 1.94 0.00 0.00 0.00 0.00 01:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:05 ens3 1.41 0.06 0.13 0.03 0.00 0.00 0.00 0.00 01:30:06 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 0.86 0.33 3.41 0.08 0.00 0.00 0.00 0.00 01:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:06 ens3 0.58 0.08 0.10 0.05 0.00 0.00 0.00 0.00 01:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:06 ens3 0.27 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:06 ens3 0.30 0.04 0.05 0.03 0.00 0.00 0.00 0.00 02:10:06 lo 1.13 1.13 0.06 0.06 0.00 0.00 0.00 0.00 02:10:06 ens3 6.57 5.29 11.83 3.33 0.00 0.00 0.00 0.00 02:20:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:06 ens3 0.20 0.03 0.02 0.01 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.59 1.37 4.63 0.60 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-8247) 09/15/26 _x86_64_ (2 CPU) 00:32:52 LINUX RESTART (2 CPU) 00:40:06 CPU %user %nice %system %iowait %steal %idle 00:50:06 all 0.26 0.16 0.16 0.17 0.01 99.25 00:50:06 0 0.45 0.07 0.10 0.07 0.00 99.31 00:50:06 1 0.07 0.26 0.22 0.26 0.01 99.19 01:00:06 all 1.18 0.00 0.27 0.04 0.01 98.51 01:00:06 0 1.96 0.00 0.33 0.06 0.01 97.64 01:00:06 1 0.40 0.00 0.21 0.01 0.01 99.38 01:10:06 all 4.64 0.00 0.68 0.15 0.01 94.52 01:10:06 0 5.00 0.00 0.74 0.25 0.01 94.00 01:10:06 1 4.27 0.00 0.62 0.06 0.01 95.03 01:20:05 all 0.28 0.00 0.10 0.01 0.02 99.59 01:20:05 0 0.07 0.00 0.13 0.00 0.03 99.78 01:20:05 1 0.49 0.00 0.08 0.01 0.02 99.40 01:30:06 all 0.42 0.00 0.23 0.03 0.01 99.31 01:30:06 0 0.44 0.00 0.18 0.01 0.01 99.37 01:30:06 1 0.40 0.00 0.29 0.05 0.01 99.25 01:40:06 all 0.27 0.00 0.08 0.01 0.00 99.64 01:40:06 0 0.48 0.00 0.05 0.01 0.00 99.46 01:40:06 1 0.05 0.00 0.12 0.01 0.01 99.82 01:50:06 all 0.26 0.00 0.10 0.03 0.00 99.61 01:50:06 0 0.46 0.00 0.06 0.01 0.00 99.47 01:50:06 1 0.05 0.00 0.14 0.06 0.00 99.75 02:00:06 all 0.28 0.00 0.19 0.01 0.00 99.51 02:00:06 0 0.49 0.00 0.17 0.02 0.00 99.32 02:00:06 1 0.07 0.00 0.21 0.01 0.01 99.71 02:10:06 all 3.65 0.00 0.47 0.11 0.01 95.77 02:10:06 0 3.31 0.00 0.37 0.04 0.00 96.28 02:10:06 1 4.00 0.00 0.56 0.17 0.01 95.25 02:20:06 all 0.24 0.00 0.07 0.01 0.00 99.68 02:20:06 0 0.44 0.00 0.04 0.01 0.00 99.52 02:20:06 1 0.04 0.00 0.10 0.01 0.01 99.84 Average: all 1.15 0.02 0.23 0.06 0.01 98.54 Average: 0 1.31 0.01 0.22 0.05 0.01 98.41 Average: 1 0.99 0.03 0.25 0.07 0.01 98.66