---> uname -a: Linux prd-queue-disttest-2c-1g-87 6.8.0-138-generic #138-Ubuntu SMP PREEMPT_DYNAMIC Fri Jul 31 22:41:49 UTC 2026 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 Indirect target selection: 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 Tsa: 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 7.9G 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 710 5424 4 2095 7231 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:7c:1f:46 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.146/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81121sec preferred_lft 81121sec inet6 fe80::f816:3eff:fe7c:1f46/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-87) 09/05/26 _x86_64_ (2 CPU) 00:36:50 LINUX RESTART (2 CPU) 00:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:23 2.00 0.34 1.66 0.01 42.71 102.79 0.18 01:00:05 2.91 0.01 2.64 0.26 0.06 151.17 1335.76 01:10:01 7.27 0.40 5.53 1.35 33.77 429.33 5348.49 01:20:13 1.23 0.02 1.21 0.00 0.60 15.02 0.04 01:30:43 1.33 0.00 1.32 0.02 0.00 17.12 0.22 01:40:01 1.13 0.00 1.13 0.00 0.00 14.26 0.00 01:50:33 1.20 0.00 1.20 0.00 0.00 14.89 0.00 02:00:13 1.33 0.00 1.31 0.02 0.00 16.77 0.23 Average: 2.29 0.10 1.99 0.21 9.79 94.52 823.85 00:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:23 5628136 7468368 316860 3.90 63364 1953964 739080 8.05 487940 1723348 132 01:00:05 5607468 7457616 326780 4.02 65324 1961532 774408 8.43 521580 1732876 192 01:10:01 5638380 7491392 290376 3.57 75920 1951488 741676 8.08 496272 1727780 144 01:20:13 5620880 7474556 307232 3.78 76068 1951988 741832 8.08 496776 1728308 200 01:30:43 5618552 7472872 308932 3.80 76228 1952452 741832 8.08 496744 1728804 124 01:40:01 5626140 7480872 300924 3.70 76320 1952776 741960 8.08 496852 1729216 264 01:50:33 5633700 7488848 292956 3.60 76420 1953100 741960 8.08 496808 1729644 188 02:00:13 5637248 7492880 288900 3.55 76556 1953432 741968 8.08 496848 1730112 220 Average: 5626313 7478426 304120 3.74 73275 1953842 745590 8.12 498728 1728761 183 00:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:23 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 00:50:23 ens3 3.35 0.41 3.62 0.15 0.00 0.00 0.00 0.00 01:00:05 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 1.80 0.89 1.00 0.53 0.00 0.00 0.00 0.00 01:10:01 lo 1.14 1.14 0.07 0.07 0.00 0.00 0.00 0.00 01:10:01 ens3 10.77 6.20 27.60 1.81 0.00 0.00 0.00 0.00 01:20:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:13 ens3 2.03 0.14 2.92 0.10 0.00 0.00 0.00 0.00 01:30:43 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:43 ens3 0.49 0.07 0.08 0.04 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.48 0.07 0.09 0.04 0.00 0.00 0.00 0.00 01:50:33 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:33 ens3 0.58 0.13 0.16 0.10 0.00 0.00 0.00 0.00 02:00:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:13 ens3 0.27 0.07 0.06 0.04 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.47 0.99 4.43 0.35 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-87) 09/05/26 _x86_64_ (2 CPU) 00:36:50 LINUX RESTART (2 CPU) 00:40:01 CPU %user %nice %system %iowait %steal %idle 00:50:23 all 0.42 0.00 0.13 0.04 0.00 99.40 00:50:23 0 0.40 0.00 0.13 0.04 0.00 99.43 00:50:23 1 0.45 0.00 0.12 0.05 0.00 99.38 01:00:05 all 1.22 0.00 0.35 0.03 0.01 98.39 01:00:05 0 0.59 0.00 0.29 0.01 0.01 99.10 01:00:05 1 1.85 0.00 0.40 0.05 0.01 97.68 01:10:01 all 4.80 0.00 0.66 0.16 0.01 94.38 01:10:01 0 6.64 0.00 0.67 0.15 0.01 92.53 01:10:01 1 2.96 0.00 0.64 0.16 0.01 96.23 01:20:13 all 0.29 0.00 0.10 0.01 0.00 99.60 01:20:13 0 0.48 0.00 0.07 0.01 0.00 99.44 01:20:13 1 0.11 0.00 0.13 0.00 0.00 99.75 01:30:43 all 0.29 0.00 0.15 0.01 0.00 99.55 01:30:43 0 0.39 0.00 0.13 0.00 0.00 99.46 01:30:43 1 0.18 0.00 0.17 0.01 0.00 99.63 01:40:01 all 0.26 0.00 0.07 0.01 0.00 99.65 01:40:01 0 0.04 0.00 0.08 0.01 0.01 99.86 01:40:01 1 0.48 0.00 0.06 0.01 0.00 99.44 01:50:33 all 0.27 0.00 0.08 0.01 0.00 99.64 01:50:33 0 0.44 0.00 0.06 0.01 0.00 99.49 01:50:33 1 0.10 0.00 0.11 0.01 0.00 99.78 02:00:13 all 0.28 0.00 0.18 0.01 0.00 99.53 02:00:13 0 0.07 0.00 0.20 0.01 0.01 99.72 02:00:13 1 0.50 0.00 0.15 0.01 0.00 99.34 Average: all 0.97 0.00 0.21 0.03 0.00 98.78 Average: 0 1.13 0.00 0.20 0.03 0.00 98.63 Average: 1 0.82 0.00 0.22 0.04 0.01 98.92