---> uname -a: Linux prd-queue-disttest-2c-1g-9395 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 728 5396 4 2105 7213 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:16:b8:91 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.175/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79458sec preferred_lft 79458sec inet6 fe80::f816:3eff:fe16:b891/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-9395) 09/19/26 _x86_64_ (2 CPU) 00:33:22 LINUX RESTART (2 CPU) 00:40:18 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.16 0.01 1.15 0.00 0.05 14.69 0.36 01:00:18 3.22 0.32 2.63 0.27 41.93 232.41 822.18 01:10:18 8.23 0.44 6.33 1.46 36.92 456.06 6173.68 01:20:16 15.10 0.01 1.40 13.70 0.16 16.93 107687.59 01:30:18 1.55 0.00 1.52 0.03 0.00 18.35 2.05 01:40:06 1.37 0.00 1.35 0.02 0.00 16.24 1.77 01:50:18 1.30 0.00 1.28 0.02 0.00 15.46 1.70 02:00:06 1.56 0.00 1.53 0.03 0.00 18.68 1.92 02:10:18 5.29 0.00 4.27 1.02 0.12 206.07 1811.52 02:20:16 1.39 0.00 1.38 0.02 0.00 16.67 1.74 Average: 4.03 0.08 2.29 1.65 8.04 102.15 11629.05 00:40:18 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 5705720 7509824 275624 3.39 63144 1918096 535600 5.83 463656 1697100 124 01:00:18 5649200 7502584 281664 3.46 65564 1964224 730532 7.96 482816 1735564 200 01:10:18 5637248 7494724 286828 3.53 76296 1955244 731852 7.97 490856 1730732 124 01:20:16 5642820 7500996 280520 3.45 76484 1955748 731852 7.97 491384 1731268 176 01:30:18 5640780 7499472 282024 3.47 76644 1956080 733480 7.99 492484 1731760 176 01:40:06 5639112 7498300 283208 3.48 76824 1956396 731916 7.97 491440 1732260 188 01:50:18 5638664 7498340 283200 3.48 76984 1956728 731916 7.97 491672 1732748 236 02:00:06 5632320 7492512 288952 3.55 77152 1957068 731916 7.97 491496 1733248 312 02:10:18 5625380 7480996 300244 3.69 80496 1948924 731676 7.97 491912 1728328 124 02:20:16 5624804 7480924 300344 3.69 80680 1949244 731676 7.97 491980 1728832 132 Average: 5643605 7495867 286261 3.52 75027 1951775 712242 7.76 487970 1728184 179 00:40:18 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 3.37 0.18 0.55 0.16 0.00 0.00 0.00 0.00 01:00:18 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 01:00:18 ens3 2.28 0.86 3.99 0.40 0.00 0.00 0.00 0.00 01:10:18 lo 1.17 1.17 0.07 0.07 0.00 0.00 0.00 0.00 01:10:18 ens3 10.78 7.40 27.78 2.11 0.00 0.00 0.00 0.00 01:20:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:16 ens3 0.85 0.14 0.18 0.10 0.00 0.00 0.00 0.00 01:30:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:18 ens3 1.24 0.09 12.27 0.04 0.00 0.00 0.00 0.00 01:40:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:06 ens3 0.41 0.07 0.09 0.05 0.00 0.00 0.00 0.00 01:50:18 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:18 ens3 0.45 0.13 0.14 0.07 0.00 0.00 0.00 0.00 02:00:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:06 ens3 0.42 0.04 0.06 0.03 0.00 0.00 0.00 0.00 02:10:18 lo 1.15 1.15 0.07 0.07 0.00 0.00 0.00 0.00 02:10:18 ens3 6.89 5.89 12.04 3.54 0.00 0.00 0.00 0.00 02:20:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:16 ens3 0.19 0.03 0.02 0.01 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 2.70 1.50 5.75 0.66 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-9395) 09/19/26 _x86_64_ (2 CPU) 00:33:22 LINUX RESTART (2 CPU) 00:40:18 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.30 0.00 0.11 0.01 0.01 99.57 00:50:01 0 0.08 0.00 0.14 0.00 0.01 99.76 00:50:01 1 0.53 0.00 0.07 0.01 0.01 99.38 01:00:18 all 1.27 0.00 0.32 0.05 0.01 98.36 01:00:18 0 1.92 0.00 0.34 0.01 0.01 97.72 01:00:18 1 0.61 0.00 0.30 0.09 0.01 99.00 01:10:18 all 4.90 0.00 0.71 0.18 0.02 94.19 01:10:18 0 5.82 0.00 0.69 0.21 0.01 93.27 01:10:18 1 3.98 0.00 0.74 0.15 0.02 95.11 01:20:16 all 0.28 0.00 0.14 0.03 0.02 99.54 01:20:16 0 0.46 0.00 0.12 0.00 0.01 99.41 01:20:16 1 0.10 0.00 0.15 0.07 0.02 99.66 01:30:18 all 0.29 0.00 0.21 0.01 0.00 99.49 01:30:18 0 0.09 0.00 0.23 0.00 0.01 99.68 01:30:18 1 0.50 0.00 0.19 0.01 0.00 99.29 01:40:06 all 0.29 0.00 0.11 0.01 0.01 99.59 01:40:06 0 0.08 0.00 0.13 0.00 0.01 99.79 01:40:06 1 0.50 0.00 0.09 0.01 0.01 99.40 01:50:18 all 0.25 0.00 0.10 0.01 0.01 99.63 01:50:18 0 0.17 0.00 0.09 0.00 0.01 99.73 01:50:18 1 0.34 0.00 0.11 0.01 0.01 99.53 02:00:06 all 0.28 0.00 0.19 0.01 0.01 99.51 02:00:06 0 0.48 0.00 0.16 0.00 0.00 99.36 02:00:06 1 0.08 0.00 0.23 0.02 0.01 99.67 02:10:18 all 3.75 0.00 0.53 0.10 0.01 95.62 02:10:18 0 4.04 0.00 0.53 0.03 0.01 95.39 02:10:18 1 3.45 0.00 0.53 0.17 0.01 95.85 02:20:16 all 0.27 0.00 0.11 0.01 0.01 99.60 02:20:16 0 0.06 0.00 0.14 0.01 0.01 99.79 02:20:16 1 0.48 0.00 0.09 0.01 0.01 99.42 Average: all 1.20 0.00 0.25 0.04 0.01 98.50 Average: 0 1.33 0.00 0.26 0.03 0.01 98.38 Average: 1 1.06 0.00 0.25 0.05 0.01 98.62