---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-9448 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 760 5184 4 2291 7181 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:c1:73:9b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.4/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80820sec preferred_lft 80820sec inet6 fe80::f816:3eff:fec1:739b/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-9448) 09/19/26 _x86_64_ (2 CPU) 01:04:56 LINUX RESTART (2 CPU) 01:10:16 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:16 1.44 0.01 1.43 0.00 0.07 16.96 5.73 01:30:06 1.59 0.00 1.56 0.03 0.00 19.16 58.59 01:40:06 1.25 0.00 1.24 0.02 0.00 14.84 51.60 01:50:06 1.94 0.33 1.59 0.02 43.49 105.81 52.95 02:00:06 1.67 0.00 1.64 0.03 0.00 19.59 684.38 02:10:06 1.36 0.00 1.34 0.01 0.00 15.91 39.79 02:20:01 1.30 0.00 1.30 0.00 0.00 15.14 0.00 02:30:06 1.53 0.00 1.52 0.01 0.00 18.42 422.54 Average: 1.51 0.04 1.45 0.02 5.46 28.25 165.15 01:10:16 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:16 6302980 7550736 269516 3.31 30620 1423984 527960 5.75 443832 1184268 172 01:30:06 6298960 7547280 272952 3.36 30836 1424316 528100 5.75 443780 1184816 220 01:40:06 6297476 7546320 273908 3.37 31032 1424640 528124 5.75 443976 1185336 260 01:50:06 6219432 7508344 311136 3.83 31680 1463568 730248 7.95 462592 1214764 240 02:00:06 6214316 7503848 315520 3.88 31936 1463896 730244 7.95 462432 1215348 120 02:10:06 6215256 7505456 313888 3.86 32136 1464352 730244 7.95 462580 1215876 132 02:20:01 6223068 7513888 305444 3.76 32296 1464804 730308 7.95 462612 1216360 288 02:30:06 6222548 7513888 305428 3.76 32472 1465132 730332 7.95 462680 1216864 84 Average: 6249254 7523720 295974 3.64 31626 1449336 654445 7.13 455560 1204204 190 01:10:16 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:16 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:16 ens3 0.88 0.12 0.19 0.10 0.00 0.00 0.00 0.00 01:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:06 ens3 1.18 0.08 12.50 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 0.61 0.09 0.10 0.05 0.00 0.00 0.00 0.00 01:50:06 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:50:06 ens3 0.86 0.50 3.43 0.60 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 0.24 0.05 0.05 0.03 0.00 0.00 0.00 0.00 02:10:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:06 ens3 0.24 0.03 0.05 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 0.19 0.03 0.02 0.01 0.00 0.00 0.00 0.00 02:30:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:06 ens3 0.25 0.05 0.05 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 0.55 0.12 2.03 0.11 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-9448) 09/19/26 _x86_64_ (2 CPU) 01:04:56 LINUX RESTART (2 CPU) 01:10:16 CPU %user %nice %system %iowait %steal %idle 01:20:16 all 0.31 0.00 0.10 0.02 0.02 99.56 01:20:16 0 0.46 0.00 0.08 0.03 0.02 99.43 01:20:16 1 0.16 0.00 0.12 0.01 0.02 99.69 01:30:06 all 0.34 0.00 0.20 0.01 0.02 99.43 01:30:06 0 0.54 0.00 0.17 0.03 0.01 99.26 01:30:06 1 0.13 0.00 0.24 0.00 0.02 99.61 01:40:06 all 0.28 0.00 0.10 0.01 0.02 99.59 01:40:06 0 0.47 0.00 0.06 0.03 0.01 99.44 01:40:06 1 0.09 0.00 0.13 0.00 0.03 99.75 01:50:06 all 0.44 0.00 0.13 0.04 0.01 99.38 01:50:06 0 0.25 0.00 0.11 0.04 0.01 99.59 01:50:06 1 0.63 0.00 0.16 0.03 0.01 99.17 02:00:06 all 0.30 0.00 0.18 0.04 0.03 99.44 02:00:06 0 0.08 0.00 0.19 0.04 0.04 99.65 02:00:06 1 0.53 0.00 0.16 0.05 0.03 99.24 02:10:06 all 0.23 0.00 0.08 0.03 0.03 99.63 02:10:06 0 0.06 0.00 0.10 0.01 0.03 99.79 02:10:06 1 0.40 0.00 0.06 0.05 0.02 99.46 02:20:01 all 0.22 0.00 0.08 0.03 0.02 99.65 02:20:01 0 0.05 0.00 0.09 0.01 0.03 99.82 02:20:01 1 0.39 0.00 0.07 0.05 0.02 99.47 02:30:06 all 0.28 0.00 0.18 0.02 0.03 99.49 02:30:06 0 0.14 0.00 0.20 0.01 0.03 99.62 02:30:06 1 0.42 0.00 0.17 0.04 0.02 99.35 Average: all 0.30 0.00 0.13 0.03 0.02 99.52 Average: 0 0.26 0.00 0.12 0.02 0.02 99.58 Average: 1 0.34 0.00 0.14 0.03 0.02 99.47