---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-47336 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 774 5098 4 2370 7167 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:d6:a4:2c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.187/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 4139sec preferred_lft 4139sec inet6 fe80::f816:3eff:fed6:a42c/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-47336) 09/05/26 _x86_64_ (2 CPU) 00:00:27 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:36 1.67 0.02 1.64 0.01 0.83 19.82 417.00 00:20:17 1.66 0.11 1.51 0.04 3.15 22.90 497.90 00:30:36 1.64 0.00 1.62 0.02 0.00 18.22 415.19 00:40:07 11.76 1.42 9.77 0.58 103.34 1577.94 296.48 00:50:36 15.59 1.40 12.42 1.77 118.01 2085.58 1416.79 01:00:27 1.50 0.00 1.48 0.02 0.00 17.18 0.23 01:10:36 1.39 0.00 1.39 0.00 0.00 15.56 0.00 Average: 5.05 0.42 4.27 0.36 32.21 539.11 442.14 00:00:27 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:36 6100744 7515596 292596 3.60 54192 1557376 730792 7.96 472348 1326468 176 00:20:17 6135088 7510488 297596 3.66 54312 1517764 728152 7.93 471024 1286756 244 00:30:36 6141772 7517624 290384 3.57 54428 1518092 728172 7.93 471092 1287200 132 00:40:07 5387328 7315624 456880 5.62 88096 2006580 894696 9.75 663776 1795720 161596 00:50:36 5088224 7387684 367912 4.52 105628 2345692 838672 9.13 612432 2121076 128 01:00:27 5069824 7369832 385628 4.74 105708 2346160 838732 9.14 612712 2121512 252 01:10:36 5069824 7370304 385188 4.74 105820 2346524 838760 9.14 612656 2121972 228 Average: 5570401 7426736 353741 4.35 81169 1948313 799711 8.71 559434 1722958 23251 00:00:27 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:36 ens3 0.40 0.11 0.13 0.08 0.00 0.00 0.00 0.00 00:20:17 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:17 ens3 0.38 0.10 0.10 0.06 0.00 0.00 0.00 0.00 00:30:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:36 ens3 0.68 0.17 0.20 0.12 0.00 0.00 0.00 0.00 00:40:07 lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 00:40:07 ens3 29.83 21.26 180.56 5.73 0.00 0.00 0.00 0.00 00:50:36 lo 1.21 1.21 0.07 0.07 0.00 0.00 0.00 0.00 00:50:36 ens3 34.96 22.83 139.05 5.71 0.00 0.00 0.00 0.00 01:00:27 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:27 ens3 0.75 0.22 0.13 0.07 0.00 0.00 0.00 0.00 01:10:36 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:36 ens3 3.61 0.38 0.62 0.19 0.00 0.00 0.00 0.00 Average: lo 1.05 1.05 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 10.11 6.44 45.44 1.70 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-47336) 09/05/26 _x86_64_ (2 CPU) 00:00:27 CPU %user %nice %system %iowait %steal %idle 00:10:36 all 0.25 0.00 0.12 0.01 0.00 99.62 00:10:36 0 0.05 0.00 0.13 0.01 0.00 99.80 00:10:36 1 0.45 0.00 0.11 0.01 0.00 99.43 00:20:17 all 0.66 0.00 0.24 0.01 0.00 99.08 00:20:17 0 0.90 0.00 0.20 0.02 0.00 98.87 00:20:17 1 0.41 0.00 0.28 0.01 0.00 99.30 00:30:36 all 0.27 0.00 0.15 0.01 0.00 99.57 00:30:36 0 0.48 0.00 0.13 0.02 0.00 99.37 00:30:36 1 0.06 0.00 0.17 0.00 0.00 99.77 00:40:07 all 4.70 0.00 0.84 0.25 0.00 94.21 00:40:07 0 2.34 0.00 0.62 0.20 0.00 96.84 00:40:07 1 7.06 0.00 1.07 0.30 0.01 91.56 00:50:36 all 7.31 0.00 1.31 0.30 0.01 91.07 00:50:36 0 8.40 0.00 1.33 0.28 0.01 89.98 00:50:36 1 6.23 0.00 1.28 0.32 0.01 92.17 01:00:27 all 0.40 0.00 0.23 0.01 0.01 99.35 01:00:27 0 0.28 0.00 0.30 0.02 0.01 99.39 01:00:27 1 0.52 0.00 0.16 0.01 0.00 99.31 01:10:36 all 0.38 0.00 0.14 0.01 0.01 99.46 01:10:36 0 0.27 0.00 0.18 0.01 0.01 99.53 01:10:36 1 0.48 0.00 0.11 0.01 0.00 99.40 Average: all 2.01 0.00 0.44 0.09 0.00 97.47 Average: 0 1.85 0.00 0.42 0.08 0.00 97.64 Average: 1 2.16 0.00 0.45 0.09 0.00 97.29