---> uname -a: Linux prd-queue-disttest-2c-1g-31479 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 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 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 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 709 5424 4 2095 7232 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:6f:ef:40 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.135/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81793sec preferred_lft 81793sec inet6 fe80::f816:3eff:fe6f:ef40/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-31479) 06/29/26 _x86_64_ (2 CPU) 02:08:41 LINUX RESTART (2 CPU) 02:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:20:16 8.99 0.08 8.35 0.56 8.70 1864.80 1010.73 02:30:15 1.40 0.01 1.37 0.02 0.05 17.42 0.61 02:40:02 1.87 0.26 1.60 0.01 31.71 77.07 0.14 02:50:16 1.36 0.00 1.36 0.00 0.00 16.41 0.00 03:00:16 14.65 0.00 1.66 12.98 0.15 20.24 107499.74 03:10:16 1.44 0.00 1.44 0.00 0.00 16.95 0.00 03:20:16 1.37 0.00 1.37 0.00 0.00 16.03 0.00 Average: 4.45 0.05 2.47 1.93 5.71 294.96 15452.52 02:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:20:16 5679840 7489912 296300 3.64 63532 1922832 535328 5.83 464640 1703060 140 02:30:15 5675028 7485612 300332 3.69 63700 1923164 535320 5.83 464440 1703560 148 02:40:02 5640008 7477436 308212 3.79 63992 1949508 733484 7.99 478852 1721424 276 02:50:16 5639548 7477472 308180 3.79 64156 1949828 733688 7.99 478904 1721916 132 03:00:16 5635100 7473608 311864 3.83 64308 1950204 733688 7.99 479028 1722416 132 03:10:16 5643164 7482236 303224 3.73 64480 1950592 733688 7.99 479204 1722912 132 03:20:16 5649716 7489384 296064 3.64 64620 1951044 733688 7.99 479348 1723376 124 Average: 5651772 7482237 303454 3.73 64113 1942453 676983 7.37 474917 1716952 155 02:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:20:16 lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 02:20:16 ens3 9.10 5.79 106.53 0.76 0.00 0.00 0.00 0.00 02:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:15 ens3 2.03 0.05 0.23 0.01 0.00 0.00 0.00 0.00 02:40:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:40:02 ens3 1.22 0.46 3.32 0.06 0.00 0.00 0.00 0.00 02:50:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:16 ens3 1.03 0.06 7.28 0.03 0.00 0.00 0.00 0.00 03:00:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:16 ens3 0.56 0.09 0.67 0.06 0.00 0.00 0.00 0.00 03:10:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:16 ens3 0.24 0.03 0.04 0.01 0.00 0.00 0.00 0.00 03:20:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:16 ens3 0.24 0.04 0.05 0.01 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.08 0.95 17.19 0.14 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-31479) 06/29/26 _x86_64_ (2 CPU) 02:08:41 LINUX RESTART (2 CPU) 02:10:02 CPU %user %nice %system %iowait %steal %idle 02:20:16 all 2.90 0.00 0.48 0.16 0.03 96.43 02:20:16 0 3.50 0.00 0.61 0.19 0.03 95.68 02:20:16 1 2.30 0.00 0.34 0.14 0.03 97.18 02:30:15 all 0.26 0.00 0.17 0.02 0.02 99.53 02:30:15 0 0.16 0.00 0.16 0.02 0.02 99.64 02:30:15 1 0.36 0.00 0.18 0.02 0.02 99.42 02:40:02 all 0.37 0.00 0.10 0.02 0.02 99.48 02:40:02 0 0.18 0.00 0.11 0.03 0.03 99.65 02:40:02 1 0.57 0.00 0.09 0.01 0.02 99.32 02:50:16 all 0.25 0.00 0.07 0.04 0.02 99.61 02:50:16 0 0.05 0.00 0.09 0.08 0.03 99.75 02:50:16 1 0.45 0.00 0.05 0.00 0.02 99.47 03:00:16 all 0.29 0.00 0.18 0.03 0.03 99.48 03:00:16 0 0.16 0.00 0.21 0.05 0.03 99.56 03:00:16 1 0.42 0.00 0.14 0.01 0.03 99.40 03:10:16 all 0.24 0.00 0.08 0.01 0.03 99.65 03:10:16 0 0.32 0.00 0.07 0.01 0.02 99.58 03:10:16 1 0.16 0.00 0.08 0.01 0.03 99.72 03:20:16 all 0.22 0.00 0.07 0.01 0.03 99.67 03:20:16 0 0.05 0.00 0.10 0.00 0.04 99.81 03:20:16 1 0.39 0.00 0.05 0.01 0.02 99.53 Average: all 0.66 0.00 0.16 0.04 0.03 99.11 Average: 0 0.64 0.00 0.19 0.05 0.03 99.08 Average: 1 0.67 0.00 0.13 0.03 0.02 99.14