---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-34160 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 817 5103 4 2314 7124 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:23:47:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.199/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82052sec preferred_lft 82052sec inet6 fe80::f816:3eff:fe23:477e/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-34160) 08/11/26 _x86_64_ (2 CPU) 01:55:33 LINUX RESTART (2 CPU) 02:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 02:10:10 1.09 0.02 1.07 0.00 1.22 13.86 0.00 02:20:10 1.07 0.01 1.06 0.00 0.07 14.00 0.00 02:30:02 2.04 0.72 1.30 0.02 95.52 74.75 57.20 02:40:10 1.06 0.00 1.05 0.00 1.04 14.22 0.05 02:50:10 1.01 0.00 1.01 0.00 0.00 13.39 0.00 03:00:01 18.97 1.61 16.40 0.96 116.37 2258.65 166.07 Average: 4.16 0.39 3.61 0.16 35.17 392.09 36.64 02:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 02:10:10 6263092 7524524 296436 3.65 31112 1436124 549444 5.98 455768 1191860 16 02:20:10 6263560 7525520 295396 3.63 31300 1436456 549468 5.98 456020 1192380 16 02:30:02 6217632 7508956 311216 3.83 31760 1464920 743544 8.10 474248 1210988 124 02:40:10 6219076 7511216 309048 3.80 31948 1465560 577276 6.29 495656 1211500 68 02:50:10 6225324 7517984 302340 3.72 32120 1465900 577436 6.29 495760 1212012 68 03:00:01 5412324 7365144 415424 5.11 71844 2052372 693320 7.55 624240 1821420 45176 Average: 6100168 7492224 321643 3.96 38347 1553555 615081 6.70 500282 1306693 7578 02:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 02:10:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:10 ens3 0.75 0.06 0.10 0.04 0.00 0.00 0.00 0.00 02:20:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:20:10 ens3 0.56 0.10 0.83 0.05 0.00 0.00 0.00 0.00 02:30:02 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 02:30:02 ens3 1.17 0.50 4.32 0.05 0.00 0.00 0.00 0.00 02:40:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:40:10 ens3 6.28 3.82 4.10 3.17 0.00 0.00 0.00 0.00 02:50:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:50:10 ens3 0.60 0.15 0.19 0.11 0.00 0.00 0.00 0.00 03:00:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 03:00:01 ens3 39.19 26.28 282.37 10.23 0.00 0.00 0.00 0.00 Average: lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 8.00 5.09 47.91 2.25 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-34160) 08/11/26 _x86_64_ (2 CPU) 01:55:33 LINUX RESTART (2 CPU) 02:00:00 CPU %user %nice %system %iowait %steal %idle 02:10:10 all 0.22 0.00 0.08 0.01 0.03 99.65 02:10:10 0 0.06 0.00 0.10 0.00 0.04 99.80 02:10:10 1 0.38 0.00 0.06 0.02 0.03 99.51 02:20:10 all 0.26 0.00 0.07 0.01 0.04 99.62 02:20:10 0 0.07 0.00 0.09 0.00 0.04 99.80 02:20:10 1 0.46 0.00 0.06 0.02 0.03 99.43 02:30:02 all 0.44 0.00 0.19 0.03 0.04 99.31 02:30:02 0 0.29 0.00 0.20 0.02 0.04 99.45 02:30:02 1 0.58 0.00 0.18 0.04 0.03 99.17 02:40:10 all 0.34 0.00 0.10 0.01 0.04 99.51 02:40:10 0 0.40 0.00 0.11 0.01 0.04 99.44 02:40:10 1 0.28 0.00 0.09 0.00 0.04 99.59 02:50:10 all 0.21 0.00 0.07 0.01 0.03 99.68 02:50:10 0 0.21 0.00 0.07 0.01 0.03 99.68 02:50:10 1 0.21 0.00 0.08 0.00 0.03 99.68 03:00:01 all 6.44 0.00 1.02 0.34 0.05 92.16 03:00:01 0 4.68 0.00 0.98 0.41 0.05 93.88 03:00:01 1 8.20 0.00 1.05 0.27 0.04 90.44 Average: all 1.30 0.00 0.25 0.07 0.04 98.34 Average: 0 0.94 0.00 0.26 0.07 0.04 98.69 Average: 1 1.66 0.00 0.25 0.06 0.03 97.99