---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-60771 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 771 5088 4 2384 7170 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:ea:26:53 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.101/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 5671sec preferred_lft 5671sec inet6 fe80::f816:3eff:feea:2653/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60771) 10/01/26 _x86_64_ (2 CPU) 00:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:01 1.85 0.01 1.82 0.01 0.81 21.56 427.35 00:20:10 1.87 0.11 1.73 0.03 3.01 24.57 484.30 00:30:00 1.84 0.00 1.82 0.02 0.00 20.19 860.58 00:40:01 20.33 1.65 16.98 1.69 120.26 2584.38 956.20 Average: 6.48 0.44 5.60 0.44 31.09 663.95 680.69 00:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:01 6092188 7502660 305232 3.75 54532 1552880 745420 8.12 476620 1323040 352 00:20:10 6113388 7484452 323372 3.98 54696 1513288 743384 8.10 475588 1283268 212 00:30:00 6134188 7505652 302156 3.72 54796 1513580 743544 8.10 475428 1283660 124 00:40:01 5206808 7353384 408108 5.02 99256 2204448 841024 9.16 602180 2000828 88452 Average: 5886643 7461537 334717 4.12 65820 1696049 768343 8.37 507454 1472699 22285 00:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:10:01 ens3 0.50 0.08 0.13 0.07 0.00 0.00 0.00 0.00 00:20:10 lo 1.06 1.06 0.06 0.06 0.00 0.00 0.00 0.00 00:20:10 ens3 0.36 0.07 0.07 0.03 0.00 0.00 0.00 0.00 00:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 00:30:00 ens3 0.61 0.11 0.15 0.08 0.00 0.00 0.00 0.00 00:40:01 lo 1.24 1.24 0.07 0.07 0.00 0.00 0.00 0.00 00:40:01 ens3 49.29 34.95 299.02 8.50 0.00 0.00 0.00 0.00 Average: lo 1.07 1.07 0.06 0.06 0.00 0.00 0.00 0.00 Average: ens3 12.71 8.82 74.99 2.18 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-138-generic (prd-ubuntu2404-robot-2c-8g-60771) 10/01/26 _x86_64_ (2 CPU) 00:00:00 CPU %user %nice %system %iowait %steal %idle 00:10:01 all 0.26 0.00 0.12 0.01 0.00 99.61 00:10:01 0 0.20 0.00 0.12 0.01 0.00 99.67 00:10:01 1 0.32 0.00 0.11 0.01 0.00 99.55 00:20:10 all 0.62 0.00 0.22 0.02 0.00 99.14 00:20:10 0 0.80 0.00 0.21 0.01 0.00 98.98 00:20:10 1 0.43 0.00 0.23 0.02 0.00 99.31 00:30:00 all 0.26 0.00 0.16 0.01 0.00 99.56 00:30:00 0 0.46 0.00 0.14 0.01 0.00 99.40 00:30:00 1 0.07 0.00 0.19 0.02 0.00 99.73 00:40:01 all 9.04 0.00 1.47 0.47 0.01 89.01 00:40:01 0 10.80 0.00 1.36 0.53 0.01 87.30 00:40:01 1 7.28 0.00 1.58 0.41 0.00 90.72 Average: all 2.55 0.00 0.49 0.13 0.00 96.82 Average: 0 3.07 0.00 0.46 0.14 0.00 96.33 Average: 1 2.03 0.00 0.53 0.12 0.00 97.32