---> uname -a: Linux prd-queue-disttest-2c-1g-29295 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 703 5437 4 2088 7238 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:7f:7e:eb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.233/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82503sec preferred_lft 82503sec inet6 fe80::f816:3eff:fe7f:7eeb/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-29295) 06/22/26 _x86_64_ (2 CPU) 01:38:40 LINUX RESTART (2 CPU) 01:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:50:20 15.46 0.03 2.77 12.66 1.50 890.42 104465.32 02:00:20 1.50 0.01 1.48 0.02 0.05 18.32 0.37 02:10:20 1.20 0.00 1.20 0.00 0.00 14.43 0.00 02:20:20 1.30 0.00 1.28 0.02 0.01 15.43 1.09 02:30:11 2.23 0.26 1.92 0.05 32.55 80.15 1.63 02:40:20 1.38 0.00 1.36 0.02 0.00 16.31 1.18 Average: 3.90 0.05 1.67 2.18 5.58 175.88 17839.96 01:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:50:20 5686524 7488712 297420 3.66 63424 1915392 529576 5.77 463828 1695804 176 02:00:20 5706384 7509064 276956 3.41 63592 1915724 529576 5.77 463936 1696304 124 02:10:20 5710972 7514112 271876 3.34 63724 1916052 529736 5.77 463888 1696764 128 02:20:20 5707848 7511496 274488 3.38 63908 1916376 529728 5.77 464032 1697272 216 02:30:11 5646576 7477388 308220 3.79 64236 1942936 529736 5.77 473192 1715084 216 02:40:20 5654148 7485612 299988 3.69 64432 1943388 529728 5.77 473312 1715604 124 Average: 5685409 7497731 288158 3.54 63886 1924978 529680 5.77 467031 1702805 164 01:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:50:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:20 ens3 3.13 0.27 0.56 0.16 0.00 0.00 0.00 0.00 02:00:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:20 ens3 0.97 0.07 0.11 0.03 0.00 0.00 0.00 0.00 02:10:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:20 ens3 0.53 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:20:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:20 ens3 0.46 0.03 1.74 0.01 0.00 0.00 0.00 0.00 02:30:11 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:30:11 ens3 0.53 0.22 3.23 0.03 0.00 0.00 0.00 0.00 02:40:20 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:20 ens3 0.27 0.06 0.07 0.03 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.99 0.11 0.95 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-29295) 06/22/26 _x86_64_ (2 CPU) 01:38:40 LINUX RESTART (2 CPU) 01:40:03 CPU %user %nice %system %iowait %steal %idle 01:50:20 all 0.29 0.00 0.16 0.13 0.03 99.40 01:50:20 0 0.38 0.00 0.15 0.12 0.02 99.33 01:50:20 1 0.19 0.00 0.17 0.13 0.03 99.48 02:00:20 all 0.29 0.00 0.20 0.08 0.02 99.41 02:00:20 0 0.34 0.00 0.22 0.03 0.02 99.40 02:00:20 1 0.23 0.00 0.19 0.13 0.02 99.43 02:10:20 all 0.24 0.00 0.07 0.08 0.02 99.59 02:10:20 0 0.40 0.00 0.05 0.04 0.01 99.50 02:10:20 1 0.09 0.00 0.09 0.12 0.02 99.68 02:20:20 all 0.23 0.00 0.07 0.04 0.01 99.64 02:20:20 0 0.41 0.00 0.05 0.01 0.01 99.51 02:20:20 1 0.05 0.00 0.08 0.08 0.02 99.77 02:30:11 all 0.36 0.00 0.19 0.13 0.01 99.30 02:30:11 0 0.47 0.00 0.20 0.24 0.01 99.08 02:30:11 1 0.25 0.00 0.18 0.03 0.02 99.52 02:40:20 all 0.25 0.00 0.07 0.01 0.01 99.65 02:40:20 0 0.34 0.00 0.06 0.00 0.01 99.59 02:40:20 1 0.17 0.00 0.07 0.02 0.01 99.72 Average: all 0.28 0.00 0.13 0.08 0.02 99.50 Average: 0 0.39 0.00 0.12 0.07 0.01 99.40 Average: 1 0.16 0.00 0.13 0.09 0.02 99.60