---> uname -a: Linux prd-queue-disttest-2c-1g-8033 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: 5600.00 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 733 5401 4 2095 7208 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:5e:1a:20 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.215/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80747sec preferred_lft 80747sec inet6 fe80::f816:3eff:fe5e:1a20/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-8033) 09/14/26 _x86_64_ (2 CPU) 00:33:33 LINUX RESTART (2 CPU) 00:40:37 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:07 1.18 0.01 1.17 0.00 0.06 14.91 0.65 01:00:37 2.54 0.00 2.31 0.23 0.00 137.07 486.06 01:10:37 7.94 0.39 6.13 1.41 33.55 434.15 4876.10 01:20:27 15.72 0.34 1.59 13.79 43.97 107.33 109274.13 01:30:37 1.51 0.00 1.47 0.03 0.00 18.06 4.15 01:40:17 1.30 0.00 1.28 0.02 0.00 15.62 3.17 01:50:37 1.30 0.00 1.28 0.02 0.00 15.28 2.97 02:00:27 1.68 0.00 1.65 0.03 0.00 19.68 4.60 Average: 4.13 0.09 2.12 1.92 9.63 96.00 14139.65 00:40:37 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:07 5683396 7484728 301016 3.70 63088 1915684 525712 5.73 461348 1695360 168 01:00:37 5671092 7482160 303220 3.73 65032 1923264 527120 5.74 462500 1704872 184 01:10:37 5673692 7484496 298376 3.67 72640 1913176 528312 5.75 469468 1696728 200 01:20:27 5603056 7453804 328160 4.04 73120 1952140 729876 7.95 487856 1725960 132 01:30:37 5610708 7461976 319896 3.93 73248 1952500 729940 7.95 487936 1726444 172 01:40:17 5610484 7462188 319676 3.93 73376 1952796 730028 7.95 488016 1726872 124 01:50:37 5618072 7470316 311544 3.83 73548 1953156 730028 7.95 488176 1727404 176 02:00:27 5622032 7474764 307084 3.78 73724 1953452 730036 7.95 487992 1727876 132 Average: 5636566 7471804 311122 3.83 70972 1939521 653882 7.12 479162 1716440 161 00:40:37 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:07 ens3 3.09 0.17 0.49 0.15 0.00 0.00 0.00 0.00 01:00:37 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:00:37 ens3 1.93 0.62 0.76 0.37 0.00 0.00 0.00 0.00 01:10:37 lo 1.14 1.14 0.07 0.07 0.00 0.00 0.00 0.00 01:10:37 ens3 10.97 7.23 27.64 1.96 0.00 0.00 0.00 0.00 01:20:27 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:27 ens3 0.98 0.34 3.46 0.08 0.00 0.00 0.00 0.00 01:30:37 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:37 ens3 0.37 0.05 0.07 0.04 0.00 0.00 0.00 0.00 01:40:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:17 ens3 0.40 0.09 0.11 0.06 0.00 0.00 0.00 0.00 01:50:37 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:37 ens3 0.21 0.04 0.03 0.01 0.00 0.00 0.00 0.00 02:00:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:27 ens3 0.33 0.05 0.06 0.03 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.28 1.08 4.08 0.34 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-8033) 09/14/26 _x86_64_ (2 CPU) 00:33:33 LINUX RESTART (2 CPU) 00:40:37 CPU %user %nice %system %iowait %steal %idle 00:50:07 all 0.30 0.00 0.12 0.01 0.01 99.56 00:50:07 0 0.52 0.00 0.09 0.01 0.00 99.37 00:50:07 1 0.07 0.00 0.15 0.00 0.01 99.76 01:00:37 all 1.07 0.00 0.28 0.03 0.01 98.62 01:00:37 0 1.68 0.00 0.29 0.02 0.01 98.00 01:00:37 1 0.46 0.00 0.26 0.04 0.01 99.23 01:10:37 all 4.90 0.00 0.69 0.42 0.01 93.98 01:10:37 0 2.43 0.00 0.58 0.06 0.01 96.92 01:10:37 1 7.37 0.00 0.80 0.78 0.02 91.04 01:20:27 all 0.42 0.00 0.17 0.05 0.01 99.35 01:20:27 0 0.37 0.00 0.15 0.04 0.01 99.43 01:20:27 1 0.48 0.00 0.20 0.06 0.01 99.26 01:30:37 all 0.30 0.00 0.18 0.01 0.01 99.50 01:30:37 0 0.51 0.00 0.15 0.00 0.00 99.33 01:30:37 1 0.08 0.00 0.22 0.01 0.01 99.67 01:40:17 all 0.23 0.00 0.12 0.01 0.01 99.64 01:40:17 0 0.40 0.00 0.11 0.00 0.01 99.48 01:40:17 1 0.05 0.00 0.13 0.01 0.00 99.80 01:50:37 all 0.26 0.00 0.10 0.01 0.01 99.63 01:50:37 0 0.46 0.00 0.06 0.00 0.00 99.47 01:50:37 1 0.06 0.00 0.13 0.01 0.01 99.79 02:00:27 all 0.32 0.00 0.19 0.01 0.01 99.48 02:00:27 0 0.10 0.00 0.19 0.00 0.01 99.70 02:00:27 1 0.53 0.00 0.20 0.02 0.01 99.25 Average: all 0.98 0.00 0.23 0.07 0.01 98.71 Average: 0 0.82 0.00 0.20 0.02 0.01 98.95 Average: 1 1.14 0.00 0.26 0.12 0.01 98.47