---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-28484 6.8.0-90-generic #91-Ubuntu SMP PREEMPT_DYNAMIC Tue Nov 18 14:14:30 UTC 2025 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 nrip_save 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 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 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 747 5135 4 2351 7193 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:85:10:9f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.133/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78544sec preferred_lft 78544sec inet6 fe80::f816:3eff:fe85:109f/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28484) 06/19/26 _x86_64_ (2 CPU) 00:41:19 LINUX RESTART (2 CPU) 00:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:03 1.57 0.01 1.52 0.03 1.11 18.87 871.16 01:10:01 14.00 0.00 1.39 12.60 0.15 16.54 109536.24 01:20:04 1.42 0.00 1.40 0.02 0.01 17.04 1.12 01:30:03 1.60 0.00 1.56 0.04 0.00 19.34 1090.34 01:40:01 1.26 0.00 1.24 0.02 0.00 15.20 1.20 01:50:03 1.20 0.00 1.19 0.02 0.00 14.35 1.09 02:00:02 25.49 3.02 20.11 2.37 228.20 3551.23 1378.69 02:10:01 1.24 0.00 1.22 0.02 0.00 20.61 1.15 02:20:00 1.38 0.00 1.36 0.02 0.00 19.80 1.23 02:30:00 1.83 0.00 1.77 0.06 0.00 143.88 534.41 02:40:01 1.31 0.00 1.27 0.04 0.00 29.83 1.32 02:50:06 1.38 0.00 1.34 0.04 0.00 22.49 1.19 Average: 4.47 0.25 2.94 1.27 19.08 323.45 9413.63 00:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:03 6269012 7547280 272824 3.35 30992 1452524 527416 5.74 453532 1205084 188 01:10:01 6260708 7539572 280436 3.45 31204 1452896 530008 5.77 451280 1205640 240 01:20:04 6260456 7539880 280036 3.44 31432 1453224 585084 6.37 456616 1206192 192 01:30:03 6256756 7536728 283236 3.48 31636 1453548 530008 5.77 451352 1206724 204 01:40:01 6260728 7541364 278628 3.43 31844 1453996 530140 5.77 451932 1207252 240 01:50:03 6260476 7541636 278308 3.42 32032 1454336 530260 5.78 452304 1207772 264 02:00:02 5161404 7364724 402200 4.95 87288 2276148 631492 6.88 596060 2039288 188 02:10:01 5180820 7386212 380744 4.68 87436 2278076 640020 6.97 595852 2041364 268 02:20:00 5173844 7380712 386256 4.75 87608 2279380 658772 7.18 615328 2042840 152 02:30:00 5119284 7362972 403940 4.97 87820 2315892 647108 7.05 602568 2079420 124 02:40:01 5082432 7330728 436180 5.36 88008 2320240 682228 7.43 637816 2083972 316 02:50:06 5092792 7343260 423612 5.21 88208 2322196 682272 7.43 637960 2086116 348 Average: 5698226 7451256 342200 4.21 59626 1876038 597901 6.51 533550 1634305 227 00:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:03 ens3 0.59 0.06 0.09 0.03 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 0.60 0.12 0.18 0.10 0.00 0.00 0.00 0.00 01:20:04 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:04 ens3 0.47 0.09 0.12 0.06 0.00 0.00 0.00 0.00 01:30:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:03 ens3 0.30 0.06 0.07 0.03 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.57 0.22 0.15 0.73 0.00 0.00 0.00 0.00 01:50:03 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:03 ens3 0.33 0.12 0.11 0.06 0.00 0.00 0.00 0.00 02:00:02 lo 1.30 1.30 0.08 0.08 0.00 0.00 0.00 0.00 02:00:02 ens3 79.02 54.82 428.03 12.42 0.00 0.00 0.00 0.00 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 18.35 14.27 140.77 1.23 0.00 0.00 0.00 0.00 02:20:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:00 ens3 5.58 4.92 33.15 0.63 0.00 0.00 0.00 0.00 02:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:00 ens3 15.24 13.98 157.24 1.54 0.00 0.00 0.00 0.00 02:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:01 ens3 16.55 15.81 169.10 1.67 0.00 0.00 0.00 0.00 02:50:06 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:06 ens3 13.63 13.26 139.26 1.21 0.00 0.00 0.00 0.00 Average: lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 12.59 9.80 89.00 1.64 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-90-generic (prd-ubuntu2404-robot-2c-8g-28484) 06/19/26 _x86_64_ (2 CPU) 00:41:19 LINUX RESTART (2 CPU) 00:50:02 CPU %user %nice %system %iowait %steal %idle 01:00:03 all 0.26 0.00 0.17 0.01 0.03 99.52 01:00:03 0 0.15 0.00 0.18 0.01 0.03 99.63 01:00:03 1 0.38 0.00 0.17 0.00 0.03 99.42 01:10:01 all 0.31 0.00 0.09 0.03 0.03 99.54 01:10:01 0 0.49 0.00 0.09 0.06 0.03 99.33 01:10:01 1 0.13 0.00 0.08 0.01 0.04 99.74 01:20:04 all 0.25 0.00 0.08 0.01 0.03 99.62 01:20:04 0 0.44 0.00 0.07 0.01 0.02 99.46 01:20:04 1 0.07 0.00 0.10 0.01 0.04 99.79 01:30:03 all 0.29 0.00 0.16 0.01 0.03 99.50 01:30:03 0 0.46 0.00 0.16 0.02 0.03 99.33 01:30:03 1 0.12 0.00 0.16 0.01 0.04 99.67 01:40:01 all 0.20 0.00 0.06 0.01 0.03 99.70 01:40:01 0 0.08 0.00 0.07 0.01 0.04 99.81 01:40:01 1 0.33 0.00 0.05 0.01 0.02 99.58 01:50:03 all 0.25 0.00 0.07 0.01 0.03 99.64 01:50:03 0 0.05 0.00 0.08 0.01 0.04 99.83 01:50:03 1 0.45 0.00 0.06 0.01 0.02 99.46 02:00:02 all 12.35 0.00 1.90 0.53 0.06 85.15 02:00:02 0 8.35 0.00 1.64 0.38 0.06 89.57 02:00:02 1 16.36 0.00 2.16 0.69 0.06 80.73 02:10:01 all 0.91 0.00 0.20 0.01 0.07 98.80 02:10:01 0 0.69 0.00 0.16 0.01 0.06 99.09 02:10:01 1 1.14 0.00 0.25 0.01 0.09 98.51 02:20:00 all 5.34 0.00 0.51 0.01 0.08 94.07 02:20:00 0 7.41 0.00 0.65 0.01 0.07 91.86 02:20:00 1 3.31 0.00 0.37 0.01 0.08 96.23 02:30:00 all 3.15 0.00 0.47 0.01 0.07 96.30 02:30:00 0 4.74 0.00 0.56 0.01 0.07 94.62 02:30:00 1 1.58 0.00 0.37 0.02 0.06 97.96 02:40:01 all 1.61 0.00 0.31 0.01 0.07 98.00 02:40:01 0 2.20 0.00 0.42 0.01 0.09 97.29 02:40:01 1 1.03 0.00 0.21 0.01 0.05 98.71 02:40:01 CPU %user %nice %system %iowait %steal %idle 02:50:06 all 0.92 0.00 0.22 0.01 0.07 98.78 02:50:06 0 1.00 0.00 0.23 0.02 0.07 98.69 02:50:06 1 0.85 0.00 0.21 0.00 0.06 98.87 Average: all 2.14 0.00 0.35 0.06 0.05 97.40 Average: 0 2.15 0.00 0.36 0.04 0.05 97.40 Average: 1 2.14 0.00 0.35 0.07 0.05 97.40