---> uname -a: Linux prd-ubuntu2204-builder-4c-4g-13767 5.15.0-186-generic #196-Ubuntu SMP Sat Jun 20 16:09:34 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): 4 On-line CPU(s) list: 0-3 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): 4 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: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 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: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp 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: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1020K 1.6G 1% /run /dev/vda1 78G 12G 66G 15% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 603 8913 4 6473 15043 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 valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:53:80:13 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.106.194/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 81696sec preferred_lft 81696sec inet6 fe80::f816:3eff:fe53:8013/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-186-generic (prd-ubuntu2204-builder-4c-4g-13767) 07/29/26 _x86_64_ (4 CPU) 17:49:43 LINUX RESTART (4 CPU) 17:50:05 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 18:00:20 18.34 0.26 5.15 12.94 202.55 574.61 244360.23 18:10:31 1.33 0.00 1.32 0.00 0.04 15.61 241.59 18:20:31 1.16 0.00 1.16 0.00 0.01 13.61 0.00 18:30:31 1.45 0.16 1.29 0.00 5.03 15.41 0.00 18:40:31 1.29 0.00 1.29 0.00 0.00 15.12 0.00 18:50:31 1.34 0.00 1.34 0.00 0.00 15.84 0.00 19:00:31 51.21 3.52 46.74 0.95 232.75 5424.13 1555.07 Average: 10.87 0.56 8.30 2.02 63.22 864.43 35796.17 17:50:05 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 18:00:20 13678000 15536996 484904 2.96 59676 2025432 837144 4.81 256440 2190832 188 18:10:31 13678380 15537924 484060 2.96 60128 2025536 837660 4.81 256880 2189760 12 18:20:31 13678180 15538068 483944 2.96 60436 2025556 837724 4.81 257196 2190660 176 18:30:31 13660480 15522772 498868 3.05 60872 2027200 840980 4.83 258940 2201064 8 18:40:31 13656736 15519408 502288 3.07 61232 2027208 841044 4.83 259308 2204268 20 18:50:31 13654508 15517724 503984 3.08 61640 2027348 841124 4.83 259716 2204500 12 19:00:31 9124588 13001120 2961832 18.09 169380 3808972 3135256 18.00 645452 6198348 634692 Average: 13018696 15167716 845697 5.17 76195 2281036 1167276 6.70 313419 2768490 90730 17:50:05 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 18:00:20 lo 0.16 0.16 0.01 0.01 0.00 0.00 0.00 0.00 18:00:20 ens3 8.05 3.85 142.06 0.70 0.00 0.00 0.00 0.00 18:10:31 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:10:31 ens3 0.42 0.23 0.15 0.29 0.00 0.00 0.00 0.00 18:20:31 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:20:31 ens3 0.40 0.22 0.15 0.28 0.00 0.00 0.00 0.00 18:30:31 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:30:31 ens3 1.29 0.96 0.79 0.77 0.00 0.00 0.00 0.00 18:40:31 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:40:31 ens3 0.73 0.88 0.18 0.99 0.00 0.00 0.00 0.00 18:50:31 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 18:50:31 ens3 0.65 0.83 0.16 1.17 0.00 0.00 0.00 0.00 19:00:31 lo 0.31 0.31 0.03 0.03 0.00 0.00 0.00 0.00 19:00:31 ens3 176.83 150.24 1048.04 35.92 0.00 0.00 0.00 0.00 Average: lo 0.14 0.14 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 26.77 22.33 169.66 5.70 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-186-generic (prd-ubuntu2204-builder-4c-4g-13767) 07/29/26 _x86_64_ (4 CPU) 17:49:43 LINUX RESTART (4 CPU) 17:50:05 CPU %user %nice %system %iowait %steal %idle 18:00:20 all 0.58 0.00 0.16 0.13 0.01 99.12 18:00:20 0 0.59 0.00 0.14 0.09 0.01 99.18 18:00:20 1 0.41 0.00 0.10 0.23 0.01 99.24 18:00:20 2 0.28 0.00 0.26 0.16 0.01 99.29 18:00:20 3 1.04 0.00 0.12 0.04 0.01 98.79 18:10:31 all 0.13 0.00 0.03 0.01 0.01 99.82 18:10:31 0 0.28 0.00 0.03 0.02 0.01 99.65 18:10:31 1 0.03 0.00 0.03 0.00 0.01 99.93 18:10:31 2 0.19 0.00 0.03 0.00 0.01 99.76 18:10:31 3 0.03 0.00 0.02 0.01 0.00 99.94 18:20:31 all 0.10 0.00 0.02 0.01 0.01 99.86 18:20:31 0 0.34 0.00 0.05 0.02 0.02 99.58 18:20:31 1 0.02 0.00 0.01 0.00 0.01 99.96 18:20:31 2 0.02 0.00 0.02 0.01 0.01 99.94 18:20:31 3 0.02 0.00 0.02 0.00 0.01 99.95 18:30:31 all 0.12 0.00 0.03 0.01 0.01 99.83 18:30:31 0 0.15 0.00 0.03 0.01 0.01 99.81 18:30:31 1 0.07 0.00 0.02 0.03 0.01 99.88 18:30:31 2 0.13 0.00 0.03 0.00 0.02 99.83 18:30:31 3 0.15 0.00 0.04 0.00 0.01 99.80 18:40:31 all 0.14 0.00 0.02 0.01 0.01 99.82 18:40:31 0 0.01 0.00 0.01 0.00 0.01 99.98 18:40:31 1 0.08 0.00 0.02 0.02 0.01 99.87 18:40:31 2 0.45 0.00 0.03 0.00 0.02 99.51 18:40:31 3 0.02 0.00 0.03 0.00 0.02 99.93 18:50:31 all 0.12 0.00 0.02 0.06 0.01 99.79 18:50:31 0 0.10 0.00 0.01 0.00 0.01 99.88 18:50:31 1 0.04 0.00 0.01 0.00 0.01 99.94 18:50:31 2 0.33 0.00 0.03 0.00 0.03 99.62 18:50:31 3 0.02 0.00 0.02 0.25 0.01 99.71 19:00:31 all 20.59 0.00 1.40 0.27 0.06 77.68 19:00:31 0 20.18 0.00 1.35 0.43 0.05 77.98 19:00:31 1 22.40 0.00 1.63 0.16 0.06 75.76 19:00:31 2 18.86 0.00 1.17 0.10 0.06 79.81 19:00:31 3 20.92 0.00 1.43 0.40 0.06 77.19 Average: all 3.09 0.00 0.24 0.07 0.02 96.58 Average: 0 3.07 0.00 0.23 0.08 0.02 96.60 Average: 1 3.27 0.00 0.26 0.06 0.02 96.39 Average: 2 2.88 0.00 0.22 0.04 0.02 96.84 Average: 3 3.15 0.00 0.24 0.10 0.02 96.50