---> uname -a: Linux prd-queue-disttest-2c-1g-3320 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: 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 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 701 5434 4 2093 7240 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:6b:3e:e6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.204/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82559sec preferred_lft 82559sec inet6 fe80::f816:3eff:fe6b:3ee6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-queue-disttest-2c-1g-3320) 08/08/26 _x86_64_ (2 CPU) 01:36:37 LINUX RESTART (2 CPU) 01:40:23 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:50:01 1.26 0.03 1.23 0.01 1.29 15.37 1.08 02:00:26 1.29 0.01 1.25 0.03 0.05 16.36 1.80 02:10:23 2.21 0.71 1.47 0.03 94.54 75.15 58.19 02:20:01 1.21 0.01 1.18 0.02 1.11 14.73 1.68 02:30:28 1.48 0.00 1.45 0.03 0.00 18.02 1.80 02:40:21 6.46 0.18 5.33 0.95 21.07 424.61 1010.76 Average: 2.31 0.15 1.98 0.18 19.57 93.29 177.36 01:40:23 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:50:01 5684120 7488924 297524 3.66 63648 1917472 527152 5.74 463504 1699476 256 02:00:26 5682504 7487836 298372 3.67 63836 1917804 527152 5.74 463644 1699996 180 02:10:23 5632332 7466808 319040 3.92 64292 1946236 712716 7.76 480416 1718568 136 02:20:01 5655920 7491176 294680 3.62 64444 1946872 527304 5.74 474560 1719036 292 02:30:28 5652376 7488324 297520 3.66 64644 1947336 527304 5.74 474724 1719580 188 02:40:21 5659696 7505016 277652 3.41 69956 1948648 554764 6.04 482132 1722608 30864 Average: 5661158 7488014 297465 3.66 65137 1937395 562732 6.13 473163 1713211 5319 01:40:23 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 3.53 0.28 0.63 0.20 0.00 0.00 0.00 0.00 02:00:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:26 ens3 1.01 0.08 0.14 0.06 0.00 0.00 0.00 0.00 02:10:23 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:10:23 ens3 1.31 0.25 10.86 0.03 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.29 0.07 0.07 0.04 0.00 0.00 0.00 0.00 02:30:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:28 ens3 0.58 0.05 0.91 0.03 0.00 0.00 0.00 0.00 02:40:21 lo 1.09 1.09 0.06 0.06 0.00 0.00 0.00 0.00 02:40:21 ens3 13.21 10.13 38.97 7.89 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 3.28 1.79 8.52 1.36 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-queue-disttest-2c-1g-3320) 08/08/26 _x86_64_ (2 CPU) 01:36:37 LINUX RESTART (2 CPU) 01:40:23 CPU %user %nice %system %iowait %steal %idle 01:50:01 all 0.30 0.00 0.08 0.03 0.03 99.56 01:50:01 0 0.48 0.00 0.06 0.05 0.02 99.39 01:50:01 1 0.11 0.00 0.10 0.01 0.05 99.73 02:00:26 all 0.27 0.00 0.16 0.01 0.03 99.52 02:00:26 0 0.37 0.00 0.16 0.00 0.03 99.45 02:00:26 1 0.18 0.00 0.17 0.01 0.04 99.60 02:10:23 all 0.35 0.00 0.10 0.03 0.03 99.48 02:10:23 0 0.26 0.00 0.09 0.05 0.03 99.57 02:10:23 1 0.44 0.00 0.12 0.02 0.03 99.39 02:20:01 all 0.22 0.00 0.07 0.09 0.03 99.59 02:20:01 0 0.28 0.00 0.06 0.16 0.02 99.48 02:20:01 1 0.16 0.00 0.09 0.01 0.03 99.70 02:30:28 all 0.22 0.00 0.16 0.54 0.06 99.02 02:30:28 0 0.07 0.00 0.19 0.51 0.05 99.18 02:30:28 1 0.37 0.00 0.13 0.57 0.07 98.87 02:40:21 all 3.45 0.00 0.50 0.11 0.04 95.90 02:40:21 0 5.02 0.00 0.59 0.05 0.04 94.30 02:40:21 1 1.88 0.00 0.40 0.18 0.03 97.50 Average: all 0.80 0.00 0.18 0.14 0.04 98.85 Average: 0 1.07 0.00 0.19 0.14 0.03 98.57 Average: 1 0.52 0.00 0.17 0.14 0.04 99.13