---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8317 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 763 5184 4 2287 7178 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:6d:d8:ed brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.43/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80796sec preferred_lft 80796sec inet6 fe80::f816:3eff:fe6d:d8ed/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-8317) 09/15/26 _x86_64_ (2 CPU) 01:06:39 LINUX RESTART (2 CPU) 01:10:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 1.43 0.03 1.40 0.00 1.29 17.25 0.01 01:30:19 1.58 0.01 1.55 0.02 0.05 18.98 414.28 01:40:19 1.96 0.33 1.61 0.02 43.49 105.68 0.27 01:50:01 1.31 0.00 1.31 0.00 0.00 15.46 0.00 02:00:19 1.55 0.00 1.54 0.01 0.00 18.71 414.13 02:10:19 14.67 0.00 1.45 13.21 0.15 17.23 108961.45 02:20:01 1.33 0.00 1.33 0.00 0.00 15.82 0.00 02:30:19 1.53 0.00 1.52 0.01 0.00 18.67 413.73 Average: 3.17 0.05 1.47 1.66 5.62 28.50 13780.20 01:10:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 6291460 7538332 281496 3.46 30548 1423196 530876 5.78 443080 1183892 124 01:30:19 6294860 7542296 277492 3.41 30768 1423528 530876 5.78 443224 1184444 132 01:40:19 6219660 7507076 311848 3.83 31416 1462356 732756 7.98 461468 1213836 188 01:50:01 6221496 7509400 309516 3.81 31576 1462680 732756 7.98 461372 1214320 240 02:00:19 6237380 7525976 292892 3.60 31776 1463140 732820 7.98 461916 1214852 136 02:10:19 6243448 7532616 286176 3.52 31960 1463520 732820 7.98 461964 1215384 136 02:20:01 6242944 7532592 286188 3.52 32120 1463840 732892 7.98 461904 1215856 288 02:30:19 6232644 7522856 295840 3.64 32312 1464172 732884 7.98 462036 1216392 188 Average: 6247986 7526393 292681 3.60 31560 1453304 682335 7.43 457120 1207372 179 01:10:19 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 1.26 0.10 0.23 0.04 0.00 0.00 0.00 0.00 01:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:19 ens3 0.52 0.11 0.12 0.07 0.00 0.00 0.00 0.00 01:40:19 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:40:19 ens3 0.85 0.24 3.38 0.07 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 0.29 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:00:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:19 ens3 0.41 0.21 0.06 0.49 0.00 0.00 0.00 0.00 02:10:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:19 ens3 0.21 0.03 0.04 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 0.20 0.03 0.02 0.01 0.00 0.00 0.00 0.00 02:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:19 ens3 0.21 0.03 0.03 0.01 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 0.49 0.10 0.49 0.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8317) 09/15/26 _x86_64_ (2 CPU) 01:06:39 LINUX RESTART (2 CPU) 01:10:19 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 0.27 0.00 0.13 0.01 0.01 99.58 01:20:01 0 0.11 0.00 0.14 0.01 0.01 99.72 01:20:01 1 0.44 0.00 0.11 0.02 0.01 99.43 01:30:19 all 0.28 0.00 0.19 0.01 0.01 99.51 01:30:19 0 0.10 0.00 0.21 0.02 0.01 99.66 01:30:19 1 0.47 0.00 0.17 0.00 0.01 99.35 01:40:19 all 0.40 0.00 0.17 0.03 0.01 99.40 01:40:19 0 0.32 0.00 0.20 0.05 0.01 99.44 01:40:19 1 0.48 0.00 0.14 0.01 0.01 99.37 01:50:01 all 0.26 0.00 0.12 0.01 0.01 99.60 01:50:01 0 0.06 0.00 0.15 0.01 0.01 99.77 01:50:01 1 0.46 0.00 0.09 0.01 0.01 99.43 02:00:19 all 0.28 0.00 0.21 0.01 0.01 99.49 02:00:19 0 0.11 0.00 0.24 0.00 0.01 99.64 02:00:19 1 0.46 0.00 0.18 0.02 0.01 99.33 02:10:19 all 0.26 0.00 0.10 0.04 0.01 99.59 02:10:19 0 0.05 0.00 0.13 0.06 0.01 99.74 02:10:19 1 0.47 0.00 0.07 0.02 0.01 99.43 02:20:01 all 0.27 0.00 0.10 0.01 0.01 99.61 02:20:01 0 0.06 0.00 0.12 0.01 0.01 99.81 02:20:01 1 0.48 0.00 0.08 0.02 0.01 99.41 02:30:19 all 0.27 0.00 0.19 0.01 0.01 99.52 02:30:19 0 0.17 0.00 0.21 0.01 0.01 99.60 02:30:19 1 0.37 0.00 0.17 0.02 0.01 99.44 Average: all 0.29 0.00 0.15 0.02 0.01 99.53 Average: 0 0.12 0.00 0.18 0.02 0.01 99.67 Average: 1 0.45 0.00 0.13 0.02 0.01 99.40