---> uname -a: Linux prd-queue-disttest-2c-1g-38277 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 707 5420 4 2102 7234 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:23:6b:9c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.166/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82476sec preferred_lft 82476sec inet6 fe80::f816:3eff:fe23:6b9c/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-38277) 07/24/26 _x86_64_ (2 CPU) 05:09:21 LINUX RESTART (2 CPU) 05:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:20:03 8.62 0.09 8.02 0.51 9.09 1834.74 365.23 05:30:03 14.58 0.01 1.60 12.97 0.20 19.98 107568.92 05:40:05 1.86 0.25 1.59 0.02 30.88 76.04 1.21 05:50:05 1.35 0.00 1.35 0.00 0.00 16.02 0.12 06:00:05 1.56 0.00 1.54 0.02 0.00 19.29 0.23 06:10:07 1.37 0.00 1.37 0.00 0.00 16.21 0.00 Average: 4.89 0.06 2.58 2.25 6.70 330.19 17957.96 05:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:03 5673844 7490556 295180 3.63 63656 1928956 532804 5.80 460848 1709244 224 05:30:03 5680172 7497468 288004 3.54 63852 1929336 532804 5.80 461004 1709792 208 05:40:05 5644972 7489384 295868 3.64 64156 1955920 733260 7.99 475316 1727916 200 05:50:05 5644524 7489420 295796 3.64 64296 1956256 733260 7.99 475436 1728392 184 06:00:05 5650780 7496200 288908 3.55 64452 1956592 733284 7.99 475468 1728884 188 06:10:07 5650780 7496792 288312 3.55 64588 1957044 733284 7.99 475596 1729344 220 Average: 5657512 7493303 292011 3.59 64167 1947351 666449 7.26 470611 1722262 204 05:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:20:03 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 05:20:03 ens3 11.15 6.68 111.10 0.91 0.00 0.00 0.00 0.00 05:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:30:03 ens3 4.56 0.09 0.27 0.04 0.00 0.00 0.00 0.00 05:40:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 05:40:05 ens3 4.26 0.45 3.40 0.06 0.00 0.00 0.00 0.00 05:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 05:50:05 ens3 0.63 0.03 6.03 0.01 0.00 0.00 0.00 0.00 06:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:00:05 ens3 0.34 0.06 0.10 0.03 0.00 0.00 0.00 0.00 06:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 06:10:07 ens3 0.16 0.03 0.03 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 3.52 1.22 20.14 0.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-38277) 07/24/26 _x86_64_ (2 CPU) 05:09:21 LINUX RESTART (2 CPU) 05:10:02 CPU %user %nice %system %iowait %steal %idle 05:20:03 all 2.96 0.00 0.57 0.21 0.03 96.23 05:20:03 0 0.36 0.00 0.35 0.13 0.03 99.14 05:20:03 1 5.56 0.00 0.79 0.30 0.03 93.32 05:30:03 all 0.30 0.00 0.19 0.07 0.06 99.38 05:30:03 0 0.42 0.00 0.17 0.03 0.03 99.36 05:30:03 1 0.18 0.00 0.22 0.11 0.09 99.40 05:40:05 all 0.36 0.00 0.11 0.23 0.14 99.16 05:40:05 0 0.41 0.00 0.13 0.26 0.09 99.11 05:40:05 1 0.31 0.00 0.09 0.21 0.19 99.20 05:50:05 all 0.26 0.00 0.08 0.11 0.02 99.53 05:50:05 0 0.44 0.00 0.06 0.19 0.02 99.29 05:50:05 1 0.07 0.00 0.09 0.04 0.03 99.77 06:00:05 all 0.29 0.00 0.18 0.12 0.09 99.33 06:00:05 0 0.39 0.00 0.16 0.20 0.13 99.12 06:00:05 1 0.18 0.00 0.19 0.04 0.05 99.54 06:10:07 all 0.24 0.00 0.08 0.04 0.05 99.59 06:10:07 0 0.27 0.00 0.07 0.06 0.09 99.51 06:10:07 1 0.20 0.00 0.08 0.02 0.02 99.67 Average: all 0.73 0.00 0.20 0.13 0.07 98.87 Average: 0 0.38 0.00 0.16 0.15 0.06 99.25 Average: 1 1.08 0.00 0.24 0.12 0.07 98.49