---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39862 6.8.0-136-generic #136-Ubuntu SMP PREEMPT_DYNAMIC Wed Jul 1 21:53:05 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 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 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 745 5210 4 2278 7195 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:db:f4:b3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.139/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80934sec preferred_lft 80934sec inet6 fe80::f816:3eff:fedb:f4b3/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-39862) 08/22/26 _x86_64_ (2 CPU) 01:04:11 LINUX RESTART (2 CPU) 01:10:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:05 14.70 0.01 1.45 13.24 0.21 17.26 109055.78 01:30:06 1.53 0.00 1.49 0.04 0.00 18.22 661.53 01:40:07 1.20 0.00 1.18 0.02 0.00 13.84 23.03 01:50:08 1.30 0.00 1.28 0.02 0.00 15.20 23.02 02:00:09 2.37 0.71 1.63 0.04 93.93 76.65 292.00 02:10:11 1.29 0.00 1.26 0.02 1.05 15.01 23.08 02:20:11 1.34 0.00 1.32 0.02 0.00 15.17 23.06 02:30:12 16.68 1.58 14.15 0.95 114.64 2212.40 412.74 Average: 5.05 0.29 2.97 1.79 26.23 297.88 13797.07 01:10:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:05 6298476 7545224 275940 3.39 31052 1421432 521752 5.68 444140 1184324 176 01:30:06 6291020 7538360 282772 3.48 31300 1421764 521812 5.68 444440 1184904 160 01:40:07 6294348 7542224 278964 3.43 31500 1422096 521844 5.68 444504 1185436 172 01:50:08 6291872 7540304 280868 3.45 31716 1422428 522156 5.69 446164 1185980 144 02:00:09 6241212 7519264 301192 3.70 32184 1451172 717416 7.81 463064 1204752 176 02:10:11 6241464 7520364 300100 3.69 32388 1451808 522156 5.69 457200 1205280 172 02:20:11 6249024 7528440 292020 3.59 32572 1452132 522156 5.69 457096 1205788 124 02:30:12 5448816 7394408 386156 4.75 72200 2044596 636412 6.93 596212 1821152 45240 Average: 6169529 7516074 299752 3.69 36864 1510928 560713 6.11 469102 1272202 5796 01:10:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:05 ens3 1.21 0.21 0.27 0.15 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 0.74 0.08 4.15 0.06 0.00 0.00 0.00 0.00 01:40:07 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:07 ens3 0.36 0.06 0.08 0.03 0.00 0.00 0.00 0.00 01:50:08 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:08 ens3 0.65 0.31 0.16 0.79 0.00 0.00 0.00 0.00 02:00:09 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:00:09 ens3 1.15 0.56 3.36 0.09 0.00 0.00 0.00 0.00 02:10:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:11 ens3 0.24 0.04 0.05 0.01 0.00 0.00 0.00 0.00 02:20:11 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:11 ens3 0.25 0.07 0.07 0.03 0.00 0.00 0.00 0.00 02:30:12 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:30:12 ens3 39.44 25.67 280.75 6.07 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 5.51 3.37 36.10 0.90 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-39862) 08/22/26 _x86_64_ (2 CPU) 01:04:11 LINUX RESTART (2 CPU) 01:10:05 CPU %user %nice %system %iowait %steal %idle 01:20:05 all 0.29 0.00 0.08 0.04 0.03 99.55 01:20:05 0 0.50 0.00 0.04 0.01 0.02 99.43 01:20:05 1 0.09 0.00 0.12 0.08 0.04 99.68 01:30:06 all 0.22 0.00 0.17 0.04 0.03 99.54 01:30:06 0 0.37 0.00 0.15 0.03 0.02 99.43 01:30:06 1 0.08 0.00 0.19 0.05 0.04 99.65 01:40:07 all 0.25 0.00 0.07 0.03 0.03 99.62 01:40:07 0 0.44 0.00 0.04 0.02 0.02 99.48 01:40:07 1 0.06 0.00 0.11 0.03 0.04 99.76 01:50:08 all 0.26 0.00 0.07 0.05 0.03 99.60 01:50:08 0 0.28 0.00 0.06 0.03 0.03 99.60 01:50:08 1 0.23 0.00 0.07 0.07 0.02 99.61 02:00:09 all 0.38 0.00 0.21 0.08 0.03 99.31 02:00:09 0 0.21 0.00 0.22 0.13 0.03 99.40 02:00:09 1 0.54 0.00 0.19 0.03 0.02 99.22 02:10:11 all 0.20 0.00 0.06 0.03 0.02 99.68 02:10:11 0 0.05 0.00 0.07 0.06 0.03 99.79 02:10:11 1 0.36 0.00 0.06 0.00 0.02 99.57 02:20:11 all 0.24 0.00 0.07 0.05 0.03 99.63 02:20:11 0 0.12 0.00 0.06 0.09 0.03 99.70 02:20:11 1 0.35 0.00 0.07 0.00 0.03 99.55 02:30:12 all 6.29 0.00 1.06 0.81 0.04 91.80 02:30:12 0 5.68 0.00 1.06 0.66 0.05 92.55 02:30:12 1 6.89 0.00 1.06 0.97 0.04 91.05 Average: all 1.01 0.00 0.22 0.14 0.03 98.59 Average: 0 0.96 0.00 0.21 0.13 0.03 98.67 Average: 1 1.07 0.00 0.23 0.15 0.03 98.51