---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-2503 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: 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 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 762 5191 4 2281 7179 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:12:92:55 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.110/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81583sec preferred_lft 81583sec inet6 fe80::f816:3eff:fe12:9255/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-2503) 08/06/26 _x86_64_ (2 CPU) 01:56:04 LINUX RESTART (2 CPU) 02:00:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:01 1.41 0.03 1.38 0.00 1.26 16.43 0.07 02:20:01 1.39 0.01 1.37 0.02 0.07 16.39 0.55 02:30:10 1.49 0.00 1.46 0.03 0.00 18.07 840.04 02:40:01 1.37 0.00 1.36 0.02 0.00 16.20 0.62 02:50:01 2.37 0.71 1.63 0.03 95.08 75.86 56.79 03:00:21 1.66 0.00 1.63 0.04 0.00 19.82 0.93 03:10:01 9.77 1.39 7.85 0.53 102.21 773.20 186.85 Average: 2.75 0.30 2.36 0.09 27.97 130.41 156.57 02:00:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:01 6287616 7538092 282656 3.48 31008 1425336 528380 5.76 442340 1188084 124 02:20:01 6287364 7538400 282368 3.47 31228 1425668 528372 5.76 442392 1188636 124 02:30:10 6279848 7531444 289268 3.56 31432 1426024 528520 5.76 442344 1189184 244 02:40:01 6268256 7520372 300352 3.69 31640 1426320 538484 5.87 446732 1189700 124 02:50:01 6231168 7513008 307112 3.78 32120 1455172 538432 5.86 457448 1208276 124 03:00:21 6229544 7511984 308124 3.79 32344 1455532 538432 5.86 457576 1208860 140 03:10:01 5601400 7364212 424992 5.23 65440 1876352 665276 7.25 618300 1649232 283288 Average: 6169314 7502502 313553 3.86 36459 1498629 552271 6.02 472447 1260282 40595 02:00:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:01 ens3 0.66 0.04 0.06 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:01 ens3 0.43 0.06 0.08 0.03 0.00 0.00 0.00 0.00 02:30:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:30:10 ens3 0.28 0.04 0.05 0.01 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 6.36 3.72 4.18 3.51 0.00 0.00 0.00 0.00 02:50:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:50:01 ens3 1.09 0.47 3.36 0.10 0.00 0.00 0.00 0.00 03:00:21 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 03:00:21 ens3 0.31 0.05 0.08 0.04 0.00 0.00 0.00 0.00 03:10:01 lo 1.08 1.08 0.06 0.06 0.00 0.00 0.00 0.00 03:10:01 ens3 30.16 20.46 176.18 9.42 0.00 0.00 0.00 0.00 Average: lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 5.47 3.45 25.50 1.83 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-2503) 08/06/26 _x86_64_ (2 CPU) 01:56:04 LINUX RESTART (2 CPU) 02:00:11 CPU %user %nice %system %iowait %steal %idle 02:10:01 all 0.25 0.00 0.08 0.01 0.03 99.63 02:10:01 0 0.43 0.00 0.06 0.00 0.02 99.49 02:10:01 1 0.07 0.00 0.10 0.02 0.04 99.78 02:20:01 all 0.24 0.00 0.08 0.05 0.03 99.59 02:20:01 0 0.42 0.00 0.07 0.00 0.02 99.49 02:20:01 1 0.06 0.00 0.10 0.11 0.04 99.70 02:30:10 all 0.28 0.00 0.17 0.01 0.03 99.51 02:30:10 0 0.48 0.00 0.14 0.00 0.03 99.35 02:30:10 1 0.08 0.00 0.19 0.01 0.03 99.67 02:40:01 all 0.46 0.00 0.11 0.02 0.03 99.38 02:40:01 0 0.28 0.00 0.12 0.02 0.03 99.55 02:40:01 1 0.63 0.00 0.10 0.03 0.03 99.21 02:50:01 all 0.37 0.00 0.13 0.03 0.03 99.44 02:50:01 0 0.14 0.00 0.12 0.02 0.03 99.68 02:50:01 1 0.61 0.00 0.13 0.04 0.02 99.20 03:00:21 all 0.30 0.00 0.18 0.09 0.02 99.41 03:00:21 0 0.50 0.00 0.17 0.08 0.02 99.23 03:00:21 1 0.10 0.00 0.19 0.09 0.03 99.59 03:10:01 all 4.49 0.00 0.69 0.32 0.03 94.46 03:10:01 0 2.94 0.00 0.56 0.41 0.03 96.06 03:10:01 1 6.05 0.00 0.83 0.22 0.04 92.86 Average: all 0.90 0.00 0.20 0.08 0.03 98.80 Average: 0 0.73 0.00 0.18 0.08 0.03 98.99 Average: 1 1.06 0.00 0.23 0.07 0.03 98.60