---> uname -a: Linux prd-ubuntu2404-robot-2c-8g-41853 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 lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif 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 7.9G 30G 21% / 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 747 5221 4 2266 7194 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:36:d2:63 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.142/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 81325sec preferred_lft 81325sec inet6 fe80::f816:3eff:fe36:d263/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-41853) 08/28/26 _x86_64_ (2 CPU) 01:00:02 LINUX RESTART (2 CPU) 01:10:19 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 01:20:19 1.31 0.01 1.28 0.02 0.07 15.55 1.73 01:30:19 14.78 0.00 1.50 13.27 0.15 18.20 109359.85 01:40:19 1.22 0.00 1.22 0.00 0.00 14.52 0.17 01:50:19 2.31 0.71 1.58 0.01 95.20 76.35 56.23 02:00:19 1.41 0.00 1.39 0.02 0.00 16.60 0.28 02:10:19 1.29 0.00 1.29 0.00 0.00 15.15 0.00 02:20:19 14.96 1.59 12.45 0.93 114.78 2225.54 225.30 Average: 5.32 0.33 2.96 2.04 30.03 340.27 15663.66 01:10:19 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 01:20:19 6299476 7541288 278748 3.43 31136 1417008 522492 5.69 397528 1234268 172 01:30:19 6288148 7530568 289380 3.56 31356 1417384 522692 5.69 397612 1234836 172 01:40:19 6288148 7531044 288904 3.55 31504 1417704 522756 5.69 397920 1235304 172 01:50:19 6234764 7507604 311684 3.83 31936 1446816 522820 5.69 408860 1254092 124 02:00:19 6236492 7509848 309408 3.80 32088 1447148 522820 5.69 408776 1254576 236 02:10:19 6236492 7510340 308904 3.80 32248 1447476 522820 5.69 408776 1255064 172 02:20:19 5447344 7380332 398844 4.90 72036 2032780 683016 7.44 547304 1863424 45656 Average: 6147266 7501575 312267 3.84 37472 1518045 545631 5.94 423825 1333081 6672 01:10:19 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 01:20:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:20:19 ens3 0.54 0.14 0.14 0.09 0.00 0.00 0.00 0.00 01:30:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:30:19 ens3 0.42 0.05 0.08 0.04 0.00 0.00 0.00 0.00 01:40:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 01:40:19 ens3 0.46 0.21 0.11 0.59 0.00 0.00 0.00 0.00 01:50:19 lo 1.03 1.03 0.05 0.05 0.00 0.00 0.00 0.00 01:50:19 ens3 1.03 0.56 3.38 0.10 0.00 0.00 0.00 0.00 02:00:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:00:19 ens3 0.18 0.03 0.03 0.01 0.00 0.00 0.00 0.00 02:10:19 lo 1.00 1.00 0.05 0.05 0.00 0.00 0.00 0.00 02:10:19 ens3 0.18 0.04 0.03 0.01 0.00 0.00 0.00 0.00 02:20:19 lo 1.15 1.15 0.06 0.06 0.00 0.00 0.00 0.00 02:20:19 ens3 33.36 24.88 277.55 6.04 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 5.17 3.70 40.19 0.98 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 6.8.0-136-generic (prd-ubuntu2404-robot-2c-8g-41853) 08/28/26 _x86_64_ (2 CPU) 01:00:02 LINUX RESTART (2 CPU) 01:10:19 CPU %user %nice %system %iowait %steal %idle 01:20:19 all 0.26 0.00 0.07 0.01 0.00 99.66 01:20:19 0 0.44 0.00 0.05 0.02 0.00 99.49 01:20:19 1 0.07 0.00 0.09 0.00 0.00 99.83 01:30:19 all 0.28 0.00 0.16 0.04 0.00 99.51 01:30:19 0 0.45 0.00 0.14 0.00 0.00 99.42 01:30:19 1 0.12 0.00 0.19 0.08 0.00 99.61 01:40:19 all 0.26 0.00 0.07 0.01 0.00 99.66 01:40:19 0 0.31 0.00 0.06 0.02 0.00 99.61 01:40:19 1 0.21 0.00 0.08 0.01 0.00 99.70 01:50:19 all 0.39 0.00 0.10 0.03 0.00 99.47 01:50:19 0 0.25 0.00 0.14 0.06 0.00 99.55 01:50:19 1 0.54 0.00 0.06 0.01 0.00 99.39 02:00:19 all 0.27 0.00 0.13 0.01 0.00 99.58 02:00:19 0 0.27 0.00 0.15 0.01 0.00 99.57 02:00:19 1 0.27 0.00 0.12 0.01 0.00 99.59 02:10:19 all 0.24 0.00 0.06 0.01 0.00 99.68 02:10:19 0 0.45 0.00 0.04 0.01 0.00 99.50 02:10:19 1 0.03 0.00 0.08 0.02 0.00 99.86 02:20:19 all 6.12 0.00 1.04 0.42 0.01 92.42 02:20:19 0 3.76 0.00 0.87 0.38 0.01 94.98 02:20:19 1 8.47 0.00 1.20 0.47 0.01 89.85 Average: all 1.12 0.00 0.23 0.08 0.00 98.57 Average: 0 0.85 0.00 0.21 0.07 0.00 98.87 Average: 1 1.39 0.00 0.26 0.08 0.00 98.26