---> uname -a: Linux prd-queue-disttest-2c-1g-38200 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 699 5440 4 2089 7242 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:f2:f8:4b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.173/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81367sec preferred_lft 81367sec inet6 fe80::f816:3eff:fef2:f84b/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-38200) 08/17/26 _x86_64_ (2 CPU) 00:32:05 LINUX RESTART (2 CPU) 00:40:34 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 2.43 0.76 1.64 0.03 100.77 80.40 60.74 01:00:31 2.72 0.00 2.44 0.28 0.00 137.95 72.11 01:10:31 7.89 0.37 6.16 1.36 32.48 432.30 2322.60 01:20:01 1.37 0.00 1.37 0.00 0.01 16.07 0.00 01:30:31 1.63 0.00 1.61 0.02 0.00 18.97 0.41 01:40:37 5.30 0.00 4.36 0.94 0.03 198.97 1055.50 01:50:01 1.40 0.02 1.37 0.01 0.64 16.75 0.16 Average: 3.27 0.16 2.73 0.38 18.48 130.29 507.13 00:40:34 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 5638036 7475696 310404 3.82 63852 1949976 534156 5.82 473604 1720800 124 01:00:31 5648324 7495076 290492 3.57 65012 1957536 535336 5.83 474664 1729520 180 01:10:31 5640388 7485572 297516 3.66 71168 1947596 536992 5.85 482024 1720088 208 01:20:01 5638196 7483820 299272 3.68 71320 1947892 536992 5.85 482172 1720536 248 01:30:31 5642288 7488568 294484 3.62 71448 1948380 536992 5.85 482320 1721024 132 01:40:37 5640244 7481484 301140 3.70 74684 1939840 575824 6.27 488636 1715716 176 01:50:01 5630244 7472084 310608 3.82 74808 1940308 536632 5.84 482840 1716192 240 Average: 5639674 7483186 300559 3.70 70327 1947361 541846 5.90 480894 1720554 187 00:40:34 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 3.43 0.77 3.96 0.24 0.00 0.00 0.00 0.00 01:00:31 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:00:31 ens3 2.13 0.59 0.78 0.35 0.00 0.00 0.00 0.00 01:10:31 lo 1.14 1.14 0.07 0.07 0.00 0.00 0.00 0.00 01:10:31 ens3 10.97 6.84 27.62 2.00 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.90 0.09 0.16 0.06 0.00 0.00 0.00 0.00 01:30:31 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:31 ens3 0.81 0.07 2.02 0.06 0.00 0.00 0.00 0.00 01:40:37 lo 1.13 1.13 0.06 0.06 0.00 0.00 0.00 0.00 01:40:37 ens3 6.62 5.52 11.91 3.42 0.00 0.00 0.00 0.00 01:50:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.32 0.08 0.25 0.02 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 3.62 2.02 6.72 0.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-queue-disttest-2c-1g-38200) 08/17/26 _x86_64_ (2 CPU) 00:32:05 LINUX RESTART (2 CPU) 00:40:34 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.41 0.00 0.14 0.03 0.03 99.38 00:50:01 0 0.27 0.00 0.16 0.04 0.04 99.48 00:50:01 1 0.55 0.00 0.13 0.01 0.03 99.28 01:00:31 all 1.06 0.00 0.25 0.02 0.03 98.64 01:00:31 0 1.53 0.00 0.25 0.04 0.03 98.15 01:00:31 1 0.58 0.00 0.24 0.01 0.03 99.14 01:10:31 all 4.80 0.00 0.61 0.21 0.05 94.32 01:10:31 0 5.86 0.00 0.68 0.32 0.06 93.08 01:10:31 1 3.74 0.00 0.54 0.10 0.05 95.57 01:20:01 all 0.26 0.00 0.09 0.01 0.04 99.61 01:20:01 0 0.07 0.00 0.11 0.01 0.05 99.77 01:20:01 1 0.44 0.00 0.08 0.01 0.03 99.44 01:30:31 all 0.30 0.00 0.17 0.01 0.04 99.48 01:30:31 0 0.07 0.00 0.17 0.01 0.04 99.69 01:30:31 1 0.53 0.00 0.16 0.01 0.04 99.26 01:40:37 all 3.67 0.00 0.45 0.10 0.04 95.74 01:40:37 0 1.25 0.00 0.34 0.09 0.04 98.28 01:40:37 1 6.08 0.00 0.57 0.10 0.04 93.21 01:50:01 all 0.25 0.00 0.08 0.01 0.03 99.63 01:50:01 0 0.39 0.00 0.06 0.01 0.02 99.52 01:50:01 1 0.10 0.00 0.09 0.01 0.05 99.75 Average: all 1.55 0.00 0.26 0.06 0.04 98.09 Average: 0 1.37 0.00 0.26 0.07 0.04 98.26 Average: 1 1.74 0.00 0.26 0.04 0.04 97.92