---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-36060 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 744 5161 4 2337 7197 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:79:f8:f0 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 82126sec preferred_lft 82126sec inet6 fe80::f816:3eff:fe79:f8f0/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-36060) 08/12/26 _x86_64_ (2 CPU) 01:03:46 LINUX RESTART (2 CPU) 01:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:21 2.12 0.69 1.42 0.01 91.16 72.53 57.70 01:30:01 1.54 0.01 1.49 0.04 1.09 18.51 6.63 01:40:01 15.54 13.52 1.96 0.06 149.23 43.16 21.08 01:50:01 1.35 0.00 1.35 0.00 0.00 15.97 0.01 02:00:01 1.53 0.00 1.51 0.02 0.00 18.45 0.23 02:10:01 18.71 1.59 16.18 0.93 114.83 2218.29 575.11 Average: 6.80 2.64 3.98 0.18 59.88 398.12 110.41 01:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:21 6259480 7535188 285348 3.51 31304 1449744 714916 7.79 461840 1202416 156 01:30:01 6263484 7540080 280516 3.45 31532 1450392 520684 5.67 456420 1202976 268 01:40:01 6195144 7528260 283288 3.48 35116 1495000 520960 5.67 457344 1250564 260 01:50:01 6202956 7536564 274968 3.38 35280 1495324 520952 5.67 457308 1251052 276 02:00:01 6189636 7523912 287496 3.54 35464 1495764 520960 5.67 457572 1251548 264 02:10:01 5377140 7371624 400168 4.92 75116 2082360 624348 6.80 588344 1861012 45100 Average: 6081307 7505938 301964 3.71 40635 1578097 570470 6.21 479805 1336595 7721 01:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:21 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:20:21 ens3 1.61 0.30 3.28 0.08 0.00 0.00 0.00 0.00 01:30:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:01 ens3 0.74 0.11 2.94 0.06 0.00 0.00 0.00 0.00 01:40:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:01 ens3 0.49 0.17 0.12 0.53 0.00 0.00 0.00 0.00 01:50:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:50:01 ens3 0.31 0.10 0.09 0.04 0.00 0.00 0.00 0.00 02:00:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:01 ens3 0.18 0.05 0.04 0.01 0.00 0.00 0.00 0.00 02:10:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:10:01 ens3 32.64 23.32 277.54 5.82 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 6.00 4.01 47.34 1.09 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-36060) 08/12/26 _x86_64_ (2 CPU) 01:03:46 LINUX RESTART (2 CPU) 01:10:01 CPU %user %nice %system %iowait %steal %idle 01:20:21 all 0.41 0.00 0.14 0.04 0.04 99.37 01:20:21 0 0.44 0.00 0.13 0.04 0.04 99.35 01:20:21 1 0.38 0.00 0.15 0.04 0.04 99.40 01:30:01 all 0.33 0.00 0.19 0.01 0.04 99.44 01:30:01 0 0.52 0.00 0.16 0.02 0.03 99.27 01:30:01 1 0.13 0.00 0.21 0.00 0.04 99.61 01:40:01 all 0.25 0.20 0.17 0.16 0.04 99.18 01:40:01 0 0.41 0.09 0.11 0.08 0.03 99.28 01:40:01 1 0.10 0.31 0.23 0.24 0.05 99.07 01:50:01 all 0.23 0.00 0.07 0.01 0.04 99.65 01:50:01 0 0.22 0.00 0.06 0.02 0.04 99.66 01:50:01 1 0.24 0.00 0.07 0.00 0.04 99.65 02:00:01 all 0.28 0.00 0.16 0.01 0.04 99.51 02:00:01 0 0.12 0.00 0.16 0.02 0.05 99.65 02:00:01 1 0.43 0.00 0.15 0.01 0.04 99.37 02:10:01 all 6.18 0.00 0.98 0.44 0.06 92.34 02:10:01 0 5.53 0.00 0.97 0.28 0.06 93.16 02:10:01 1 6.83 0.00 0.99 0.60 0.06 91.52 Average: all 1.28 0.03 0.28 0.11 0.04 98.25 Average: 0 1.21 0.02 0.27 0.07 0.04 98.40 Average: 1 1.35 0.05 0.30 0.15 0.04 98.10