---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-3647 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 778 5179 4 2276 7163 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:67:ac:a1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.120/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81567sec preferred_lft 81567sec inet6 fe80::f816:3eff:fe67:aca1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3647) 08/09/26 _x86_64_ (2 CPU) 00:41:01 LINUX RESTART (2 CPU) 00:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:00:05 1.37 0.01 1.34 0.02 0.05 17.08 822.33 01:10:01 1.22 0.00 1.20 0.02 0.00 14.26 1.58 01:20:01 14.57 0.00 1.29 13.27 0.16 15.24 109041.10 01:30:15 1.43 0.00 1.40 0.03 0.00 17.61 608.64 01:40:01 18.74 1.62 16.16 0.97 115.77 2054.95 288.62 01:50:01 12.53 1.24 9.87 1.43 109.52 1454.63 579.47 02:00:15 2.82 0.04 2.10 0.68 1.34 69.60 1073.07 Average: 7.45 0.41 4.71 2.34 31.92 512.17 16012.37 00:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:00:05 6255644 7531464 288828 3.55 31372 1450016 528176 5.75 450196 1202340 240 01:10:01 6262476 7538800 281492 3.46 31572 1450308 528260 5.75 450456 1202836 252 01:20:01 6253172 7530064 290148 3.57 31756 1450684 528324 5.75 450736 1203368 252 01:30:15 6251060 7528688 291460 3.58 31984 1451176 528396 5.76 450952 1203948 236 01:40:01 5427360 7364976 415264 5.11 71776 2037380 661368 7.20 614448 1813732 101160 01:50:01 5158280 7363724 403344 4.96 86996 2278660 652340 7.11 609416 2041392 468 02:00:15 5300164 7340532 435576 5.36 87844 2120908 684968 7.46 667572 1884304 30032 Average: 5844022 7456893 343730 4.23 53329 1748447 587405 6.40 527682 1507417 18949 00:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:00:05 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:00:05 ens3 0.67 0.04 0.06 0.02 0.00 0.00 0.00 0.00 01:10:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:10:01 ens3 1.03 0.12 6.45 0.06 0.00 0.00 0.00 0.00 01:20:01 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:01 ens3 0.48 0.10 0.13 0.07 0.00 0.00 0.00 0.00 01:30:15 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:15 ens3 0.34 0.09 0.11 0.06 0.00 0.00 0.00 0.00 01:40:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 01:40:01 ens3 41.02 26.17 284.99 6.73 0.00 0.00 0.00 0.00 01:50:01 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 01:50:01 ens3 35.49 25.12 64.07 5.94 0.00 0.00 0.00 0.00 02:00:15 lo 1.02 1.02 0.05 0.05 0.00 0.00 0.00 0.00 02:00:15 ens3 16.75 11.15 101.53 3.71 0.00 0.00 0.00 0.00 Average: lo 1.04 1.04 0.05 0.05 0.00 0.00 0.00 0.00 Average: ens3 13.55 8.89 64.49 2.35 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-3647) 08/09/26 _x86_64_ (2 CPU) 00:41:01 LINUX RESTART (2 CPU) 00:50:01 CPU %user %nice %system %iowait %steal %idle 01:00:05 all 0.27 0.00 0.17 0.01 0.05 99.50 01:00:05 0 0.08 0.00 0.19 0.01 0.06 99.65 01:00:05 1 0.47 0.00 0.14 0.01 0.04 99.34 01:10:01 all 0.23 0.00 0.08 0.01 0.05 99.63 01:10:01 0 0.06 0.00 0.09 0.00 0.06 99.79 01:10:01 1 0.41 0.00 0.07 0.02 0.04 99.47 01:20:01 all 0.28 0.00 0.09 0.04 0.05 99.55 01:20:01 0 0.11 0.00 0.12 0.06 0.06 99.65 01:20:01 1 0.44 0.00 0.06 0.02 0.04 99.44 01:30:15 all 0.27 0.00 0.16 0.01 0.05 99.50 01:30:15 0 0.09 0.00 0.19 0.00 0.07 99.65 01:30:15 1 0.45 0.00 0.13 0.02 0.04 99.36 01:40:01 all 6.45 0.00 1.03 0.49 0.06 91.97 01:40:01 0 6.47 0.00 1.10 0.62 0.07 91.75 01:40:01 1 6.43 0.00 0.96 0.36 0.06 92.20 01:50:01 all 6.23 0.00 1.03 0.25 0.10 92.39 01:50:01 0 3.08 0.00 0.79 0.11 0.07 95.96 01:50:01 1 9.39 0.00 1.28 0.40 0.13 88.80 02:00:15 all 1.85 0.00 0.42 0.04 0.10 97.59 02:00:15 0 1.27 0.00 0.43 0.04 0.09 98.17 02:00:15 1 2.43 0.00 0.42 0.04 0.10 97.01 Average: all 2.20 0.00 0.42 0.12 0.07 97.19 Average: 0 1.57 0.00 0.41 0.12 0.07 97.83 Average: 1 2.84 0.00 0.43 0.12 0.06 96.55