---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-41065 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 749 5186 4 2299 7192 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:43:30:80 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.50/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82108sec preferred_lft 82108sec inet6 fe80::f816:3eff:fe43:3080/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-41065) 08/26/26 _x86_64_ (2 CPU) 00:58:31 LINUX RESTART (2 CPU) 01:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:10:20 2.57 0.71 1.85 0.01 92.52 77.85 56.67 01:20:10 1.53 0.01 1.50 0.01 1.14 17.78 2.43 01:30:00 1.49 0.00 1.48 0.02 0.00 17.46 0.28 01:40:31 1.36 0.00 1.36 0.00 0.00 15.62 2.19 01:50:00 1.32 0.00 1.32 0.00 0.00 15.25 0.00 02:00:00 16.27 1.47 13.87 0.93 110.00 1932.98 191.52 Average: 4.10 0.37 3.57 0.16 34.43 346.56 42.50 01:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:10:20 6237964 7513200 306204 3.77 31164 1450568 715968 7.80 458376 1202160 152 01:20:10 6245224 7521304 298124 3.67 31352 1451212 520584 5.67 460612 1202680 136 01:30:00 6245700 7522308 296996 3.65 31520 1451532 520720 5.67 453896 1203168 124 01:40:31 6245700 7522828 296468 3.65 31708 1451860 520720 5.67 453960 1203684 188 01:50:00 6245700 7523300 296004 3.64 31852 1452188 520720 5.67 454288 1204148 144 02:00:00 5435692 7378360 401064 4.93 71532 2043544 610784 6.65 569988 1818660 128828 Average: 6109330 7496883 315810 3.88 38188 1550151 568249 6.19 475187 1305750 21595 01:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:10:20 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:10:20 ens3 2.05 0.46 4.39 0.06 0.00 0.00 0.00 0.00 01:20:10 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:10 ens3 0.80 0.16 0.20 0.12 0.00 0.00 0.00 0.00 01:30:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:00 ens3 0.67 0.06 3.79 0.04 0.00 0.00 0.00 0.00 01:40:31 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:31 ens3 0.59 0.07 0.56 0.03 0.00 0.00 0.00 0.00 01:50:00 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:00 ens3 0.44 0.09 0.09 0.04 0.00 0.00 0.00 0.00 02:00:00 lo 1.12 1.12 0.06 0.06 0.00 0.00 0.00 0.00 02:00:00 ens3 36.20 24.90 281.03 6.42 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 6.80 4.29 48.37 1.12 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-41065) 08/26/26 _x86_64_ (2 CPU) 00:58:31 LINUX RESTART (2 CPU) 01:00:01 CPU %user %nice %system %iowait %steal %idle 01:10:20 all 0.39 0.00 0.14 0.04 0.05 99.38 01:10:20 0 0.37 0.00 0.15 0.06 0.04 99.38 01:10:20 1 0.41 0.00 0.13 0.03 0.05 99.38 01:20:10 all 0.26 0.00 0.10 0.02 0.05 99.56 01:20:10 0 0.13 0.00 0.11 0.01 0.06 99.70 01:20:10 1 0.40 0.00 0.09 0.04 0.04 99.43 01:30:00 all 0.28 0.00 0.17 0.01 0.05 99.48 01:30:00 0 0.07 0.00 0.19 0.01 0.07 99.67 01:30:00 1 0.49 0.00 0.15 0.02 0.04 99.30 01:40:31 all 0.27 0.00 0.09 0.01 0.05 99.57 01:40:31 0 0.04 0.00 0.10 0.01 0.06 99.79 01:40:31 1 0.49 0.00 0.09 0.01 0.04 99.36 01:50:00 all 0.24 0.00 0.10 0.01 0.05 99.59 01:50:00 0 0.05 0.00 0.11 0.01 0.06 99.77 01:50:00 1 0.44 0.00 0.09 0.01 0.04 99.42 02:00:00 all 6.18 0.00 1.06 0.46 0.07 92.25 02:00:00 0 7.08 0.00 1.10 0.24 0.07 91.51 02:00:00 1 5.28 0.00 1.01 0.67 0.06 92.98 Average: all 1.27 0.00 0.28 0.09 0.05 98.30 Average: 0 1.29 0.00 0.29 0.05 0.06 98.30 Average: 1 1.25 0.00 0.26 0.13 0.05 98.31