---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-8830 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 772 5085 4 2386 7169 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:74:6b:32 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.37/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 4491sec preferred_lft 4491sec inet6 fe80::f816:3eff:fe74:6b32/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8830) 09/18/26 _x86_64_ (2 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:13 1.86 0.02 1.83 0.01 0.82 21.53 5.08 00:20:01 28.56 3.17 22.94 2.46 235.20 3617.10 1636.34 00:30:01 1.63 0.00 1.60 0.02 0.00 19.94 1.97 00:40:13 1.41 0.00 1.41 0.00 0.00 17.86 0.00 00:50:02 1.55 0.00 1.55 0.00 0.00 19.24 0.00 01:00:01 1.72 0.00 1.70 0.02 0.00 20.59 1.91 01:10:13 1.54 0.00 1.53 0.02 0.00 20.30 1.44 01:20:01 1.57 0.00 1.55 0.02 0.00 19.91 1.63 Average: 4.91 0.39 4.21 0.31 28.92 460.56 201.96 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:13 6101064 7511112 297084 3.65 54124 1552888 733444 7.99 485084 1321984 412 00:20:01 5081132 7387620 367872 4.52 107396 2351008 828924 9.03 610808 2127912 356 00:30:01 5072980 7380200 375068 4.61 107492 2351640 828944 9.03 611516 2128640 300 00:40:13 5072476 7380564 374752 4.61 107592 2352408 829968 9.04 612036 2129508 224 00:50:02 5074776 7383784 371548 4.57 107684 2353236 829968 9.04 611916 2130428 240 01:00:01 5063236 7373404 381840 4.70 107784 2354288 838500 9.13 612244 2131580 696 01:10:13 5066128 7377204 378088 4.65 107920 2355064 838636 9.13 612544 2132364 292 01:20:01 5013776 7326132 429140 5.28 108004 2356260 867832 9.45 641692 2133644 496 Average: 5193196 7390002 371924 4.57 101000 2253349 824527 8.98 599730 2029508 377 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:13 ens3 0.31 0.07 0.09 0.05 0.00 0.00 0.00 0.00 00:20:01 lo 1.37 1.37 0.09 0.09 0.00 0.00 0.00 0.00 00:20:01 ens3 75.39 55.04 331.33 13.10 0.00 0.00 0.00 0.00 00:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:01 ens3 2.76 0.23 0.41 0.13 0.00 0.00 0.00 0.00 00:40:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:40:13 ens3 1.64 1.08 0.29 0.15 0.00 0.00 0.00 0.00 00:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:50:02 ens3 2.09 1.32 2.82 0.17 0.00 0.00 0.00 0.00 01:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:01 ens3 2.51 1.72 0.48 0.39 0.00 0.00 0.00 0.00 01:10:13 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:13 ens3 3.10 0.24 0.51 0.18 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 5.78 4.45 48.66 0.37 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 11.50 7.87 47.12 1.78 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-8830) 09/18/26 _x86_64_ (2 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:13 all 0.24 0.00 0.15 0.01 0.01 99.58 00:10:13 0 0.43 0.00 0.13 0.01 0.00 99.42 00:10:13 1 0.05 0.00 0.18 0.01 0.01 99.75 00:20:01 all 12.82 0.00 2.29 0.55 0.02 84.31 00:20:01 0 14.82 0.00 2.44 0.58 0.03 82.13 00:20:01 1 10.82 0.00 2.15 0.53 0.02 86.48 00:30:01 all 0.49 0.00 0.27 0.01 0.02 99.22 00:30:01 0 0.36 0.00 0.32 0.02 0.02 99.28 00:30:01 1 0.62 0.00 0.22 0.00 0.01 99.15 00:40:13 all 0.46 0.00 0.18 0.01 0.01 99.33 00:40:13 0 0.43 0.00 0.20 0.01 0.01 99.33 00:40:13 1 0.49 0.00 0.16 0.00 0.01 99.33 00:50:02 all 0.46 0.00 0.19 0.01 0.01 99.33 00:50:02 0 0.46 0.00 0.13 0.01 0.01 99.39 00:50:02 1 0.46 0.00 0.25 0.01 0.01 99.27 01:00:01 all 0.60 0.00 0.27 0.01 0.01 99.10 01:00:01 0 0.76 0.00 0.21 0.00 0.01 99.02 01:00:01 1 0.45 0.00 0.32 0.02 0.02 99.19 01:10:13 all 0.48 0.00 0.17 0.01 0.02 99.31 01:10:13 0 0.49 0.00 0.16 0.00 0.02 99.33 01:10:13 1 0.47 0.00 0.19 0.02 0.02 99.29 01:20:01 all 0.59 0.00 0.23 0.01 0.01 99.15 01:20:01 0 0.71 0.00 0.23 0.00 0.01 99.05 01:20:01 1 0.47 0.00 0.24 0.02 0.01 99.26 Average: all 1.99 0.00 0.47 0.08 0.01 97.45 Average: 0 2.27 0.00 0.47 0.08 0.01 97.16 Average: 1 1.71 0.00 0.46 0.08 0.01 97.74