---> uname -a: Linux prd-queue-disttest-2c-1g-11898 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: 5599.99 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 693 5515 4 2017 7248 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:62:e4:50 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.0/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82380sec preferred_lft 82380sec inet6 fe80::f816:3eff:fe62:e450/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-11898) 05/08/26 _x86_64_ (2 CPU) 02:58:47 LINUX RESTART (2 CPU) 03:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:10:02 3.96 0.03 3.86 0.07 1.40 1099.65 2.71 03:20:27 1.41 0.01 1.40 0.00 0.06 16.36 0.35 03:30:12 1.66 0.02 1.63 0.02 0.62 19.40 0.30 03:40:12 1.29 0.00 1.29 0.00 0.00 15.29 0.00 03:50:29 13.98 0.00 1.43 12.54 0.14 16.73 104874.67 04:00:02 2.10 0.27 1.80 0.03 32.43 80.45 0.43 Average: 4.12 0.05 1.90 2.17 5.53 207.51 17968.32 03:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:10:02 5778252 7500480 290504 3.57 61608 1840872 525272 5.72 468528 1619732 240 03:20:27 5784580 7507328 283520 3.49 61796 1841204 525408 5.72 468560 1620252 124 03:30:12 5775552 7499000 291800 3.59 61972 1841704 525568 5.72 468824 1620808 160 03:40:12 5785500 7509440 281360 3.46 62140 1842028 525632 5.73 468908 1621300 208 03:50:29 5783988 7508456 282376 3.47 62292 1842404 525632 5.73 468948 1621800 124 04:00:02 5751608 7502752 287636 3.54 62596 1868480 720164 7.84 483548 1639288 256 Average: 5776580 7504576 286199 3.52 62067 1846115 557946 6.08 471219 1623863 185 03:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:10:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:02 ens3 2.86 0.18 0.48 0.11 0.00 0.00 0.00 0.00 03:20:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:20:27 ens3 0.95 0.04 0.10 0.01 0.00 0.00 0.00 0.00 03:30:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:30:12 ens3 0.58 0.10 0.12 0.06 0.00 0.00 0.00 0.00 03:40:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:40:12 ens3 0.36 0.07 0.09 0.04 0.00 0.00 0.00 0.00 03:50:29 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:50:29 ens3 0.21 0.02 0.05 0.01 0.00 0.00 0.00 0.00 04:00:02 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 04:00:02 ens3 0.37 0.21 3.29 0.05 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 0.89 0.10 0.66 0.05 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-11898) 05/08/26 _x86_64_ (2 CPU) 02:58:47 LINUX RESTART (2 CPU) 03:00:02 CPU %user %nice %system %iowait %steal %idle 03:10:02 all 0.35 0.00 0.15 0.06 0.02 99.41 03:10:02 0 0.17 0.00 0.18 0.09 0.03 99.53 03:10:02 1 0.54 0.00 0.13 0.03 0.02 99.29 03:20:27 all 0.26 0.00 0.07 0.01 0.02 99.63 03:20:27 0 0.14 0.00 0.09 0.01 0.03 99.73 03:20:27 1 0.38 0.00 0.06 0.01 0.02 99.53 03:30:12 all 0.30 0.00 0.17 0.01 0.02 99.49 03:30:12 0 0.53 0.00 0.15 0.01 0.01 99.30 03:30:12 1 0.08 0.00 0.19 0.01 0.03 99.69 03:40:12 all 0.24 0.00 0.07 0.01 0.03 99.66 03:40:12 0 0.42 0.00 0.06 0.01 0.02 99.50 03:40:12 1 0.05 0.00 0.08 0.01 0.04 99.82 03:50:29 all 0.22 0.00 0.08 0.03 0.03 99.64 03:50:29 0 0.41 0.00 0.06 0.01 0.01 99.51 03:50:29 1 0.04 0.00 0.10 0.05 0.04 99.77 04:00:02 all 0.37 0.00 0.19 0.02 0.03 99.39 04:00:02 0 0.51 0.00 0.16 0.02 0.03 99.29 04:00:02 1 0.23 0.00 0.21 0.02 0.03 99.50 Average: all 0.29 0.00 0.12 0.02 0.02 99.54 Average: 0 0.36 0.00 0.12 0.02 0.02 99.48 Average: 1 0.22 0.00 0.13 0.02 0.03 99.60