---> uname -a: Linux prd-queue-disttest-2c-1g-61452 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: 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 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 706 5410 4 2113 7235 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:14:84:6a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.7/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 76537sec preferred_lft 76537sec inet6 fe80::f816:3eff:fe14:846a/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-61452) 10/03/26 _x86_64_ (2 CPU) 00:36:35 LINUX RESTART (2 CPU) 00:40:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:50:01 1.88 0.35 1.52 0.01 44.76 99.61 0.48 01:00:07 2.87 0.01 2.61 0.26 0.05 152.35 846.21 01:10:03 2.25 0.00 2.05 0.20 0.00 69.43 29.23 01:20:01 15.88 0.01 1.92 13.96 0.16 66.37 107871.71 01:30:07 1.53 0.00 1.51 0.02 0.00 18.62 1.08 01:40:07 1.17 0.00 1.17 0.00 0.00 14.76 0.00 01:50:01 1.18 0.00 1.18 0.00 0.00 14.79 0.00 02:00:07 1.59 0.00 1.58 0.01 0.00 19.41 0.70 02:10:07 6.63 0.44 5.05 1.14 37.04 375.57 3941.41 02:20:01 1.44 0.00 1.41 0.03 0.00 52.79 437.51 02:30:07 5.22 0.00 4.31 0.92 0.00 196.71 2859.31 02:40:07 1.09 0.00 1.09 0.00 0.00 14.04 0.01 02:50:01 1.28 0.00 1.28 0.00 0.00 16.38 0.00 03:00:07 1.58 0.00 1.57 0.02 0.00 19.96 0.33 03:10:07 1.46 0.00 1.46 0.00 0.00 17.96 0.00 03:20:01 5.80 0.00 4.56 1.24 0.00 225.09 1956.77 Average: 3.30 0.05 2.14 1.11 5.10 85.87 7357.10 00:40:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:50:01 5627536 7473140 312148 3.84 63360 1958952 728260 7.93 481016 1728472 2112 01:00:07 5634288 7489856 294636 3.62 65304 1966628 731104 7.96 483456 1738092 64 01:10:03 5609240 7466536 317784 3.91 66568 1966964 764652 8.33 515412 1739692 192 01:20:01 5623292 7481904 302260 3.72 67428 1967332 732164 7.97 484488 1740892 336 01:30:07 5624992 7484232 299932 3.69 67596 1967792 732160 7.97 484620 1741392 164 01:40:07 5624320 7484056 300112 3.69 67764 1968120 732164 7.97 484912 1741888 196 01:50:01 5625888 7486104 298068 3.67 67924 1968440 732224 7.98 485024 1742368 252 02:00:07 5627612 7488312 295840 3.64 68076 1968772 732228 7.98 484792 1742852 72 02:10:07 5616224 7480268 301312 3.71 77148 1960760 732736 7.98 492812 1737328 8336 02:20:01 5614588 7479204 302388 3.72 77292 1961220 732744 7.98 492744 1737804 160 02:30:07 5623628 7483020 298356 3.67 80416 1952612 732092 7.97 492436 1732320 96 02:40:07 5624532 7484348 297028 3.65 80532 1952932 732092 7.97 492452 1732748 292 02:50:01 5624280 7484512 296872 3.65 80604 1953268 732124 7.97 492500 1733164 240 03:00:07 5602396 7463248 318160 3.91 80764 1953724 732120 7.97 492580 1733652 204 03:10:07 5603944 7465240 316144 3.89 80884 1954048 732120 7.97 492580 1734096 188 03:20:01 5554860 7417892 364048 4.48 84256 1953072 790480 8.61 550096 1736440 11116 Average: 5616351 7475742 307193 3.78 73495 1960915 737592 8.03 493870 1737075 1501 00:40:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:50:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 00:50:01 ens3 3.43 0.42 3.82 0.15 0.00 0.00 0.00 0.00 01:00:07 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:00:07 ens3 2.30 0.60 0.77 0.37 0.00 0.00 0.00 0.00 01:10:03 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 01:10:03 ens3 4.30 1.01 1.41 0.65 0.00 0.00 0.00 0.00 01:20:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 3.07 0.52 0.79 0.35 0.00 0.00 0.00 0.00 01:30:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:07 ens3 0.96 0.08 0.18 0.06 0.00 0.00 0.00 0.00 01:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:07 ens3 0.96 0.06 4.93 0.05 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.62 0.10 0.14 0.07 0.00 0.00 0.00 0.00 02:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:07 ens3 0.44 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:10:07 lo 1.16 1.16 0.07 0.07 0.00 0.00 0.00 0.00 02:10:07 ens3 8.54 7.07 27.18 3.92 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.37 0.06 0.24 0.02 0.00 0.00 0.00 0.00 02:30:07 lo 1.16 1.16 0.07 0.07 0.00 0.00 0.00 0.00 02:30:07 ens3 6.39 5.36 11.83 1.56 0.00 0.00 0.00 0.00 02:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:07 ens3 0.45 0.09 0.10 0.06 0.00 0.00 0.00 0.00 02:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 0.61 0.12 0.17 0.11 0.00 0.00 0.00 0.00 03:00:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:07 ens3 0.31 0.06 0.07 0.03 0.00 0.00 0.00 0.00 03:10:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:10:07 ens3 0.32 0.06 0.06 0.03 0.00 0.00 0.00 0.00 03:20:01 lo 1.22 1.22 0.07 0.07 0.00 0.00 0.00 0.00 03:20:01 ens3 8.23 6.95 16.28 3.14 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 2.58 1.41 4.25 0.66 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-queue-disttest-2c-1g-61452) 10/03/26 _x86_64_ (2 CPU) 00:36:35 LINUX RESTART (2 CPU) 00:40:07 CPU %user %nice %system %iowait %steal %idle 00:50:01 all 0.41 0.00 0.12 0.05 0.00 99.41 00:50:01 0 0.33 0.00 0.17 0.02 0.00 99.48 00:50:01 1 0.49 0.00 0.08 0.08 0.00 99.35 01:00:07 all 1.06 0.00 0.27 0.03 0.00 98.64 01:00:07 0 1.58 0.00 0.29 0.02 0.00 98.10 01:00:07 1 0.53 0.00 0.24 0.04 0.00 99.18 01:10:03 all 1.06 0.00 0.21 0.03 0.00 98.70 01:10:03 0 0.63 0.00 0.18 0.01 0.00 99.18 01:10:03 1 1.48 0.00 0.24 0.05 0.01 98.22 01:20:01 all 0.94 0.00 0.13 0.05 0.00 98.88 01:20:01 0 0.45 0.00 0.08 0.02 0.00 99.46 01:20:01 1 1.43 0.00 0.18 0.09 0.00 98.30 01:30:07 all 0.27 0.00 0.16 0.01 0.00 99.55 01:30:07 0 0.46 0.00 0.12 0.01 0.00 99.40 01:30:07 1 0.08 0.00 0.20 0.02 0.01 99.69 01:40:07 all 0.24 0.00 0.06 0.01 0.00 99.68 01:40:07 0 0.44 0.00 0.05 0.01 0.00 99.51 01:40:07 1 0.04 0.00 0.08 0.02 0.00 99.86 01:50:01 all 0.25 0.00 0.07 0.01 0.00 99.67 01:50:01 0 0.44 0.00 0.05 0.01 0.00 99.50 01:50:01 1 0.05 0.00 0.09 0.01 0.01 99.84 02:00:07 all 0.27 0.00 0.16 0.01 0.00 99.56 02:00:07 0 0.47 0.00 0.13 0.01 0.00 99.38 02:00:07 1 0.06 0.00 0.18 0.01 0.00 99.74 02:10:07 all 4.03 0.00 0.57 0.15 0.01 95.23 02:10:07 0 3.22 0.00 0.54 0.24 0.01 95.99 02:10:07 1 4.85 0.00 0.59 0.07 0.01 94.48 02:20:01 all 0.24 0.00 0.07 0.01 0.00 99.68 02:20:01 0 0.05 0.00 0.07 0.02 0.00 99.86 02:20:01 1 0.43 0.00 0.06 0.00 0.00 99.50 02:30:07 all 3.66 0.00 0.59 0.12 0.00 95.63 02:30:07 0 1.89 0.00 0.51 0.04 0.00 97.55 02:30:07 1 5.42 0.00 0.67 0.21 0.00 93.70 02:30:07 CPU %user %nice %system %iowait %steal %idle 02:40:07 all 0.25 0.00 0.07 0.02 0.00 99.66 02:40:07 0 0.45 0.00 0.04 0.02 0.00 99.48 02:40:07 1 0.05 0.00 0.09 0.01 0.01 99.84 02:50:01 all 0.27 0.00 0.09 0.02 0.01 99.61 02:50:01 0 0.17 0.00 0.09 0.01 0.01 99.72 02:50:01 1 0.38 0.00 0.09 0.03 0.01 99.50 03:00:07 all 0.30 0.00 0.22 0.01 0.00 99.47 03:00:07 0 0.14 0.00 0.22 0.02 0.00 99.62 03:00:07 1 0.46 0.00 0.21 0.01 0.00 99.32 03:10:07 all 0.26 0.00 0.13 0.01 0.00 99.59 03:10:07 0 0.06 0.00 0.15 0.02 0.01 99.77 03:10:07 1 0.46 0.00 0.11 0.00 0.00 99.42 03:20:01 all 4.30 0.00 0.61 0.14 0.01 94.95 03:20:01 0 4.35 0.00 0.56 0.05 0.01 95.03 03:20:01 1 4.25 0.00 0.66 0.22 0.01 94.86 Average: all 1.11 0.00 0.22 0.04 0.00 98.62 Average: 0 0.95 0.00 0.21 0.03 0.00 98.81 Average: 1 1.28 0.00 0.24 0.05 0.00 98.42