---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9455 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 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 786 5099 4 2358 7155 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:17:0e:f1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.163/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80753sec preferred_lft 80753sec inet6 fe80::f816:3eff:fe17:ef1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-9455) 09/19/26 _x86_64_ (2 CPU) 01:04:54 LINUX RESTART (2 CPU) 01:10:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:15 1.16 0.01 1.14 0.01 0.07 15.03 0.40 01:30:15 1.33 0.00 1.30 0.03 0.00 16.43 213.93 01:40:08 1.17 0.00 1.15 0.02 0.00 14.45 0.38 01:50:15 14.86 0.33 1.45 13.09 43.12 103.60 107760.03 02:00:15 1.38 0.00 1.36 0.02 0.00 16.85 426.93 02:10:15 1.25 0.00 1.24 0.01 0.00 14.97 0.29 02:20:08 1.26 0.00 1.26 0.00 0.00 14.99 0.00 02:30:15 1.44 0.00 1.43 0.01 0.00 17.34 421.54 Average: 3.00 0.04 1.29 1.67 5.46 26.85 13764.56 01:10:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:15 6307912 7555124 265556 3.27 30636 1423244 533596 5.81 444520 1184096 208 01:30:15 6311272 7559028 261572 3.22 30828 1423576 533596 5.81 444696 1184620 132 01:40:08 6309996 7558260 262336 3.23 31012 1423900 533660 5.81 445024 1185128 144 01:50:15 6237612 7525952 293656 3.61 31664 1462812 727392 7.92 467132 1214568 244 02:00:15 6239676 7528752 290756 3.58 31880 1463272 727532 7.92 467148 1215128 176 02:10:15 6250128 7539724 279812 3.44 32072 1463596 727596 7.92 467060 1215644 172 02:20:08 6251584 7541668 277852 3.42 32232 1463916 727596 7.92 467216 1216124 172 02:30:15 6237392 7528004 291484 3.58 32416 1464248 727596 7.92 467272 1216640 124 Average: 6268196 7542064 277878 3.42 31592 1448570 654820 7.13 458758 1203994 172 01:10:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:15 ens3 0.86 0.12 0.18 0.10 0.00 0.00 0.00 0.00 01:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:15 ens3 1.40 0.08 12.31 0.04 0.00 0.00 0.00 0.00 01:40:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:08 ens3 0.63 0.09 0.11 0.05 0.00 0.00 0.00 0.00 01:50:15 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:50:15 ens3 0.78 0.47 3.38 0.68 0.00 0.00 0.00 0.00 02:00:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:15 ens3 0.41 0.04 0.06 0.03 0.00 0.00 0.00 0.00 02:10:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:15 ens3 0.23 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:20:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:08 ens3 0.19 0.03 0.02 0.01 0.00 0.00 0.00 0.00 02:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:15 ens3 0.30 0.03 0.06 0.03 0.00 0.00 0.00 0.00 Average: lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 0.60 0.11 2.03 0.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-9455) 09/19/26 _x86_64_ (2 CPU) 01:04:54 LINUX RESTART (2 CPU) 01:10:15 CPU %user %nice %system %iowait %steal %idle 01:20:15 all 0.28 0.00 0.11 0.02 0.00 99.60 01:20:15 0 0.48 0.00 0.09 0.01 0.00 99.42 01:20:15 1 0.08 0.00 0.12 0.02 0.00 99.78 01:30:15 all 0.30 0.00 0.18 0.01 0.01 99.50 01:30:15 0 0.46 0.00 0.16 0.01 0.00 99.37 01:30:15 1 0.13 0.00 0.21 0.02 0.01 99.64 01:40:08 all 0.27 0.00 0.08 0.01 0.00 99.63 01:40:08 0 0.48 0.00 0.06 0.01 0.00 99.45 01:40:08 1 0.05 0.00 0.11 0.02 0.00 99.82 01:50:15 all 0.49 0.00 0.17 0.07 0.00 99.27 01:50:15 0 0.37 0.00 0.17 0.09 0.00 99.36 01:50:15 1 0.60 0.00 0.16 0.05 0.00 99.18 02:00:15 all 0.26 0.00 0.18 0.01 0.01 99.55 02:00:15 0 0.08 0.00 0.19 0.01 0.01 99.72 02:00:15 1 0.43 0.00 0.17 0.02 0.01 99.38 02:10:15 all 0.26 0.00 0.09 0.01 0.00 99.64 02:10:15 0 0.39 0.00 0.08 0.01 0.00 99.53 02:10:15 1 0.13 0.00 0.10 0.02 0.00 99.76 02:20:08 all 0.26 0.00 0.09 0.01 0.00 99.65 02:20:08 0 0.46 0.00 0.06 0.00 0.00 99.47 02:20:08 1 0.05 0.00 0.11 0.02 0.00 99.82 02:30:15 all 0.28 0.00 0.16 0.01 0.00 99.55 02:30:15 0 0.26 0.00 0.13 0.01 0.00 99.59 02:30:15 1 0.30 0.00 0.18 0.02 0.00 99.50 Average: all 0.30 0.00 0.13 0.02 0.00 99.55 Average: 0 0.37 0.00 0.12 0.02 0.00 99.49 Average: 1 0.22 0.00 0.15 0.02 0.00 99.61