---> uname -a: Linux prd-queue-disttest-2c-1g-10189 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 5505 4 2017 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:e3:42:46 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.241/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82401sec preferred_lft 82401sec inet6 fe80::f816:3eff:fee3:4246/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-10189) 05/02/26 _x86_64_ (2 CPU) 00:33:50 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:28 1.82 0.25 1.55 0.02 30.70 71.83 0.47 01:00:08 1.50 0.00 1.46 0.04 0.00 18.50 1.50 01:10:01 14.45 0.00 1.38 13.06 0.15 17.17 109015.97 01:20:28 1.46 0.00 1.44 0.02 0.01 17.00 1.23 01:30:28 1.61 0.00 1.57 0.04 0.00 19.67 1.45 01:40:01 4.98 0.35 3.85 0.78 24.11 246.28 4071.97 Average: 4.25 0.10 1.86 2.30 9.21 63.78 18605.90 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:28 5729772 7478876 311360 3.83 61832 1867468 535260 5.83 475908 1637112 176 01:00:08 5727500 7477148 313096 3.85 62024 1867800 535416 5.83 476116 1637636 164 01:10:01 5756836 7507056 283004 3.48 62204 1868180 590516 6.43 481348 1638164 160 01:20:28 5756080 7506808 283284 3.48 62388 1868496 535600 5.83 476576 1638668 120 01:30:28 5756384 7507752 282312 3.47 62556 1868964 535616 5.83 476576 1639168 192 01:40:01 5659744 7428348 358900 4.41 67376 1879004 621592 6.77 564076 1650448 61924 Average: 5731053 7484331 305326 3.75 63063 1869985 559000 6.09 491767 1640199 10456 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:28 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 00:50:28 ens3 2.70 0.26 3.28 0.07 0.00 0.00 0.00 0.00 01:00:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:08 ens3 0.53 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.39 0.05 0.08 0.03 0.00 0.00 0.00 0.00 01:20:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:28 ens3 0.53 0.12 0.15 0.08 0.00 0.00 0.00 0.00 01:30:28 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:28 ens3 0.23 0.05 0.07 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 01:40:01 ens3 5.93 4.86 37.56 0.93 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 1.69 0.87 6.62 0.19 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-queue-disttest-2c-1g-10189) 05/02/26 _x86_64_ (2 CPU) 00:33:50 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:28 all 0.35 0.00 0.10 0.02 0.03 99.49 00:50:28 0 0.33 0.00 0.11 0.03 0.04 99.49 00:50:28 1 0.38 0.00 0.08 0.01 0.03 99.50 01:00:08 all 0.28 0.00 0.16 0.01 0.03 99.52 01:00:08 0 0.27 0.00 0.16 0.01 0.03 99.51 01:00:08 1 0.28 0.00 0.16 0.00 0.03 99.53 01:10:01 all 0.23 0.00 0.08 0.03 0.03 99.62 01:10:01 0 0.05 0.00 0.08 0.01 0.04 99.81 01:10:01 1 0.41 0.00 0.08 0.06 0.03 99.43 01:20:28 all 0.27 0.00 0.06 0.01 0.03 99.63 01:20:28 0 0.05 0.00 0.08 0.00 0.04 99.82 01:20:28 1 0.49 0.00 0.04 0.01 0.02 99.44 01:30:28 all 0.25 0.00 0.15 0.01 0.03 99.55 01:30:28 0 0.20 0.00 0.17 0.01 0.04 99.59 01:30:28 1 0.31 0.00 0.14 0.01 0.03 99.52 01:40:01 all 2.40 0.00 0.34 0.09 0.03 97.14 01:40:01 0 2.62 0.00 0.45 0.04 0.04 96.84 01:40:01 1 2.18 0.00 0.23 0.14 0.02 97.43 Average: all 0.62 0.00 0.15 0.03 0.03 99.18 Average: 0 0.57 0.00 0.17 0.02 0.04 99.20 Average: 1 0.66 0.00 0.12 0.04 0.03 99.16