---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-6982 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 8.0G 30G 22% / 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 776 5117 4 2350 7165 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:70:be:63 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.207/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78977sec preferred_lft 78977sec inet6 fe80::f816:3eff:fe70:be63/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6982) 09/11/26 _x86_64_ (2 CPU) 01:05:09 LINUX RESTART (2 CPU) 01:10:17 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 1.32 0.03 1.29 0.00 1.29 15.72 0.08 01:30:07 2.31 0.36 1.93 0.03 45.23 108.70 0.58 01:40:17 1.33 0.00 1.33 0.01 0.00 15.59 19.57 01:50:01 15.93 13.92 1.95 0.07 154.91 44.62 56.08 02:00:07 14.78 0.00 1.63 13.14 0.15 19.68 107786.26 02:10:01 1.37 0.00 1.35 0.02 0.00 16.00 40.31 02:20:01 1.36 0.00 1.36 0.00 0.00 15.84 0.00 02:30:26 1.64 0.00 1.63 0.01 0.00 19.61 0.32 02:40:01 26.35 2.95 21.05 2.35 231.77 3646.90 1216.14 02:50:01 1.17 0.00 1.17 0.00 0.00 14.58 0.00 03:00:17 1.27 0.00 1.25 0.01 0.00 16.36 0.22 Average: 6.14 1.52 3.19 1.43 38.16 343.81 10026.38 01:10:17 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 6300256 7546768 273388 3.36 30604 1422756 533608 5.81 435936 1183908 136 01:30:07 6233484 7520620 298668 3.67 31252 1462216 734120 8.00 454416 1213372 132 01:40:17 6233244 7520936 298344 3.67 31440 1462576 734176 8.00 454880 1213920 180 01:50:01 6177732 7522392 287772 3.54 35484 1507148 734900 8.00 456316 1261928 268 02:00:07 6173404 7518844 291080 3.58 35712 1507652 734900 8.00 456524 1262504 132 02:10:01 6179748 7525728 284188 3.49 35924 1507976 734896 8.00 456428 1263040 240 02:20:01 6193920 7540400 269488 3.31 36100 1508300 734896 8.00 456560 1263532 268 02:30:26 6184552 7531588 278312 3.42 36272 1508668 734900 8.00 456636 1264080 180 02:40:01 5099268 7381332 375284 4.61 91708 2342708 858392 9.35 611940 2108628 192 02:50:01 5098524 7381176 375440 4.62 91824 2343188 858692 9.35 612260 2109088 268 03:00:17 5077988 7361168 395440 4.86 91960 2343572 858640 9.35 612200 2109616 220 Average: 5904738 7486450 311582 3.83 49844 1719705 750193 8.17 496736 1477601 201 01:10:17 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.78 0.08 0.12 0.05 0.00 0.00 0.00 0.00 01:30:07 lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 01:30:07 ens3 1.16 0.30 10.33 0.06 0.00 0.00 0.00 0.00 01:40:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:17 ens3 0.43 0.11 0.11 0.06 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 0.53 0.26 0.09 0.69 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 0.20 0.05 0.05 0.03 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.19 0.04 0.03 0.01 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 0.24 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:30:26 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:26 ens3 0.21 0.02 0.03 0.01 0.00 0.00 0.00 0.00 02:40:01 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 02:40:01 ens3 68.85 48.09 334.85 11.27 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 2.23 0.36 0.42 0.17 0.00 0.00 0.00 0.00 03:00:17 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:17 ens3 0.65 0.25 0.14 0.07 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 6.60 4.33 30.21 1.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-6982) 09/11/26 _x86_64_ (2 CPU) 01:05:09 LINUX RESTART (2 CPU) 01:10:17 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 0.30 0.00 0.09 0.01 0.00 99.60 01:20:01 0 0.14 0.00 0.11 0.01 0.01 99.74 01:20:01 1 0.45 0.00 0.07 0.01 0.00 99.46 01:30:07 all 0.48 0.00 0.23 0.03 0.00 99.27 01:30:07 0 0.62 0.00 0.24 0.02 0.00 99.11 01:30:07 1 0.33 0.00 0.21 0.03 0.00 99.42 01:40:17 all 0.27 0.00 0.08 0.01 0.00 99.64 01:40:17 0 0.20 0.00 0.09 0.01 0.00 99.70 01:40:17 1 0.35 0.00 0.07 0.01 0.00 99.58 01:50:01 all 0.26 0.16 0.15 0.17 0.00 99.26 01:50:01 0 0.45 0.01 0.08 0.03 0.00 99.43 01:50:01 1 0.07 0.31 0.21 0.30 0.01 99.10 02:00:07 all 0.28 0.00 0.18 0.04 0.00 99.49 02:00:07 0 0.49 0.00 0.17 0.05 0.00 99.29 02:00:07 1 0.07 0.00 0.20 0.02 0.00 99.70 02:10:01 all 0.25 0.00 0.07 0.01 0.00 99.66 02:10:01 0 0.46 0.00 0.04 0.00 0.00 99.50 02:10:01 1 0.05 0.00 0.10 0.02 0.01 99.82 02:20:01 all 0.25 0.00 0.07 0.01 0.00 99.67 02:20:01 0 0.46 0.00 0.05 0.02 0.00 99.48 02:20:01 1 0.04 0.00 0.10 0.01 0.00 99.85 02:30:26 all 0.29 0.00 0.16 0.02 0.00 99.52 02:30:26 0 0.52 0.00 0.13 0.01 0.00 99.34 02:30:26 1 0.07 0.00 0.19 0.03 0.00 99.70 02:40:01 all 12.25 0.00 2.08 0.61 0.02 85.05 02:40:01 0 13.82 0.00 2.19 0.70 0.01 83.28 02:40:01 1 10.68 0.00 1.98 0.51 0.02 86.81 02:50:01 all 0.40 0.00 0.14 0.01 0.01 99.44 02:50:01 0 0.27 0.00 0.20 0.00 0.02 99.51 02:50:01 1 0.53 0.00 0.07 0.02 0.01 99.38 03:00:17 all 0.42 0.00 0.24 0.01 0.01 99.31 03:00:17 0 0.36 0.00 0.24 0.00 0.01 99.38 03:00:17 1 0.49 0.00 0.24 0.01 0.02 99.24 Average: CPU %user %nice %system %iowait %steal %idle Average: all 1.36 0.01 0.31 0.08 0.01 98.23 Average: 0 1.57 0.00 0.31 0.08 0.01 98.04 Average: 1 1.15 0.03 0.31 0.09 0.01 98.42