---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-41855 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 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 7.9G 30G 21% / 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 752 5216 4 2266 7189 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:65:aa:90 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.14/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81334sec preferred_lft 81334sec inet6 fe80::f816:3eff:fe65:aa90/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-41855) 08/28/26 _x86_64_ (2 CPU) 01:00:10 LINUX RESTART (2 CPU) 01:10:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:01 2.22 0.73 1.48 0.02 95.95 75.88 58.04 01:30:01 1.57 0.03 1.50 0.04 3.20 17.92 428.38 01:40:02 1.30 0.00 1.30 0.00 0.00 14.76 0.17 01:50:02 1.35 0.00 1.35 0.00 0.00 15.41 0.00 02:00:12 1.65 0.00 1.63 0.01 0.00 18.65 209.79 02:10:12 1.49 0.00 1.49 0.00 0.00 16.85 0.00 02:20:01 15.18 1.60 12.63 0.95 115.35 2269.69 471.11 Average: 3.51 0.33 3.03 0.14 30.17 341.80 166.37 01:10:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:01 6252916 7523344 295700 3.64 31344 1445288 728808 7.94 406020 1252328 248 01:30:01 6248740 7520676 298376 3.67 31552 1446564 533264 5.81 400892 1252940 136 01:40:02 6248740 7521304 297776 3.66 31708 1447028 533260 5.81 401128 1253432 240 01:50:02 6255320 7528492 290584 3.57 31860 1447472 533388 5.81 401420 1253908 240 02:00:12 6264580 7538328 280704 3.45 32052 1447844 533388 5.81 401496 1254464 232 02:10:12 6263300 7537504 281328 3.46 32212 1448168 580908 6.33 407456 1254916 260 02:20:01 5455748 7388596 390592 4.80 72008 2032968 651408 7.10 544132 1863264 47400 Average: 6141335 7508321 305009 3.75 37534 1530762 584918 6.37 423221 1340750 6965 01:10:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:01 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.75 0.29 3.42 0.08 0.00 0.00 0.00 0.00 01:30:01 lo 1.01 1.01 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.47 0.10 0.11 0.06 0.00 0.00 0.00 0.00 01:40:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:02 ens3 0.55 0.10 0.12 0.06 0.00 0.00 0.00 0.00 01:50:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:02 ens3 0.50 0.32 0.12 0.73 0.00 0.00 0.00 0.00 02:00:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:12 ens3 0.19 0.03 0.03 0.02 0.00 0.00 0.00 0.00 02:10:12 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:12 ens3 0.19 0.05 0.03 0.01 0.00 0.00 0.00 0.00 02:20:01 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 02:20:01 ens3 34.47 25.81 282.73 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 5.22 3.76 40.29 0.99 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-41855) 08/28/26 _x86_64_ (2 CPU) 01:00:10 LINUX RESTART (2 CPU) 01:10:12 CPU %user %nice %system %iowait %steal %idle 01:20:01 all 0.38 0.00 0.13 0.04 0.00 99.46 01:20:01 0 0.57 0.00 0.13 0.07 0.00 99.22 01:20:01 1 0.18 0.00 0.13 0.00 0.00 99.69 01:30:01 all 0.31 0.00 0.16 0.02 0.00 99.51 01:30:01 0 0.10 0.00 0.17 0.02 0.00 99.71 01:30:01 1 0.53 0.00 0.15 0.01 0.00 99.31 01:40:02 all 0.23 0.00 0.07 0.01 0.00 99.69 01:40:02 0 0.05 0.00 0.09 0.01 0.00 99.84 01:40:02 1 0.40 0.00 0.06 0.01 0.00 99.53 01:50:02 all 0.28 0.00 0.07 0.01 0.00 99.64 01:50:02 0 0.10 0.00 0.10 0.01 0.00 99.80 01:50:02 1 0.46 0.00 0.04 0.02 0.00 99.48 02:00:12 all 0.27 0.00 0.15 0.04 0.00 99.53 02:00:12 0 0.06 0.00 0.16 0.00 0.00 99.76 02:00:12 1 0.47 0.00 0.14 0.08 0.00 99.31 02:10:12 all 0.27 0.00 0.11 0.02 0.00 99.60 02:10:12 0 0.07 0.00 0.14 0.00 0.01 99.79 02:10:12 1 0.47 0.00 0.09 0.03 0.00 99.41 02:20:01 all 6.20 0.00 1.04 0.50 0.01 92.25 02:20:01 0 5.85 0.00 1.10 0.77 0.01 92.28 02:20:01 1 6.55 0.00 0.99 0.24 0.01 92.22 Average: all 1.12 0.00 0.25 0.09 0.00 98.54 Average: 0 0.96 0.00 0.27 0.13 0.00 98.65 Average: 1 1.28 0.00 0.23 0.05 0.00 98.44