---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-39861 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 738 5214 4 2281 7203 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:38:32:5a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.163/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80940sec preferred_lft 80940sec inet6 fe80::f816:3eff:fe38:325a/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-39861) 08/22/26 _x86_64_ (2 CPU) 01:04:16 LINUX RESTART (2 CPU) 01:10:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:02 1.22 0.01 1.20 0.02 0.07 15.56 20.77 01:30:03 1.38 0.00 1.35 0.03 0.00 17.46 886.02 01:40:04 2.12 0.71 1.39 0.02 94.00 74.25 79.07 01:50:05 14.57 0.01 1.32 13.24 1.20 15.98 108871.68 02:00:05 1.48 0.00 1.45 0.03 0.00 17.99 23.29 02:10:05 1.21 0.00 1.20 0.02 0.00 14.43 23.07 02:20:05 1.43 0.00 1.41 0.02 0.00 17.48 20.77 02:30:05 18.35 1.59 15.83 0.94 114.78 2218.78 806.52 Average: 5.22 0.29 3.14 1.79 26.25 298.80 13858.07 01:10:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:02 6280344 7527320 294208 3.62 31048 1421656 530912 5.78 453640 1184184 228 01:30:03 6279936 7527464 294040 3.62 31260 1421988 531088 5.78 444400 1184716 220 01:40:04 6242232 7519228 301640 3.71 31728 1450604 718164 7.82 461100 1203496 220 01:50:05 6249836 7527720 293148 3.60 31916 1451284 531224 5.79 455276 1204024 184 02:00:05 6242520 7521092 299728 3.69 32128 1451748 531360 5.79 455424 1204568 184 02:10:05 6243088 7522176 298632 3.67 32312 1452072 531352 5.79 455452 1205076 184 02:20:05 6243368 7523012 297524 3.66 32540 1452400 570644 6.22 461380 1205620 168 02:30:05 5442120 7388092 392628 4.83 72336 2044860 643908 7.01 594136 1821160 44832 Average: 6152930 7507013 308944 3.80 36908 1518326 573582 6.25 472601 1276606 5778 01:10:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:02 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:02 ens3 1.20 0.21 0.28 0.15 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 0.82 0.17 4.15 0.65 0.00 0.00 0.00 0.00 01:40:04 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:40:04 ens3 0.62 0.28 3.30 0.05 0.00 0.00 0.00 0.00 01:50:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:05 ens3 0.51 0.11 0.15 0.08 0.00 0.00 0.00 0.00 02:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:05 ens3 0.54 0.08 0.11 0.05 0.00 0.00 0.00 0.00 02:10:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:05 ens3 0.25 0.03 0.05 0.01 0.00 0.00 0.00 0.00 02:20:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:05 ens3 0.24 0.07 0.07 0.03 0.00 0.00 0.00 0.00 02:30:05 lo 1.14 1.14 0.06 0.06 0.00 0.00 0.00 0.00 02:30:05 ens3 37.43 25.65 280.91 6.10 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 5.20 3.32 36.10 0.89 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-39861) 08/22/26 _x86_64_ (2 CPU) 01:04:16 LINUX RESTART (2 CPU) 01:10:02 CPU %user %nice %system %iowait %steal %idle 01:20:02 all 0.31 0.00 0.09 0.01 0.03 99.56 01:20:02 0 0.17 0.00 0.10 0.02 0.04 99.67 01:20:02 1 0.45 0.00 0.07 0.00 0.03 99.46 01:30:03 all 0.24 0.00 0.17 0.01 0.03 99.55 01:30:03 0 0.26 0.00 0.16 0.02 0.03 99.54 01:30:03 1 0.22 0.00 0.18 0.00 0.03 99.57 01:40:04 all 0.35 0.00 0.10 0.03 0.03 99.49 01:40:04 0 0.42 0.00 0.10 0.03 0.03 99.42 01:40:04 1 0.28 0.00 0.10 0.03 0.03 99.56 01:50:05 all 0.27 0.00 0.08 0.03 0.03 99.59 01:50:05 0 0.43 0.00 0.06 0.02 0.03 99.47 01:50:05 1 0.11 0.00 0.09 0.05 0.03 99.71 02:00:05 all 0.25 0.00 0.16 0.01 0.03 99.56 02:00:05 0 0.06 0.00 0.17 0.02 0.04 99.72 02:00:05 1 0.43 0.00 0.15 0.00 0.02 99.40 02:10:05 all 0.26 0.00 0.06 0.19 0.08 99.41 02:10:05 0 0.05 0.00 0.09 0.37 0.04 99.46 02:10:05 1 0.47 0.00 0.03 0.00 0.12 99.37 02:20:05 all 0.25 0.00 0.09 0.01 0.03 99.62 02:20:05 0 0.08 0.00 0.11 0.02 0.04 99.76 02:20:05 1 0.43 0.00 0.07 0.01 0.02 99.48 02:30:05 all 6.18 0.00 1.01 0.74 0.04 92.02 02:30:05 0 4.49 0.00 0.95 0.32 0.04 94.21 02:30:05 1 7.87 0.00 1.08 1.16 0.04 89.84 Average: all 1.01 0.00 0.22 0.13 0.04 98.60 Average: 0 0.74 0.00 0.22 0.10 0.03 98.90 Average: 1 1.28 0.00 0.22 0.16 0.04 98.30