---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1462 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 23G 133G 15% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 848 14649 4 16594 30775 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:c3:58:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.116/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84903sec preferred_lft 84903sec inet6 fe80::f816:3eff:fec3:58c9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:1c:1a:a1:64:d6 brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever inet6 fe80::981c:1aff:fea1:64d6/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1462) 04/14/26 _x86_64_ (8 CPU) 14:29:40 LINUX RESTART (8 CPU) 14:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:40:12 53.88 10.23 42.16 1.49 1342.19 9495.53 2507.78 14:50:12 178.91 0.66 169.36 8.89 43.87 44478.63 55234.77 Average: 115.77 5.49 105.12 5.15 699.53 26812.04 28607.45 14:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:40:12 25744268 28971720 3341084 10.17 127732 3376724 3210316 9.47 557780 6162464 420 14:50:12 14646508 28143064 4095256 12.46 389816 12647532 3346480 9.87 4087712 12869916 6800 Average: 20195388 28557392 3718170 11.31 258774 8012128 3278398 9.67 2322746 9516190 3610 14:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:40:12 lo 5.01 5.01 1.68 1.68 0.00 0.00 0.00 0.00 14:40:12 ens3 142.21 102.95 1529.86 21.99 0.00 0.00 0.00 0.00 14:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 14:50:12 lo 1.09 1.09 0.49 0.49 0.00 0.00 0.00 0.00 14:50:12 ens3 123.70 95.78 1935.81 13.37 0.00 0.00 0.00 0.00 14:50:12 docker0 7.12 9.38 0.68 197.55 0.00 0.00 0.00 0.00 Average: lo 3.07 3.07 1.09 1.09 0.00 0.00 0.00 0.00 Average: ens3 133.04 99.40 1730.80 17.72 0.00 0.00 0.00 0.00 Average: docker0 3.53 4.64 0.34 97.78 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-8c-8g-1462) 04/14/26 _x86_64_ (8 CPU) 14:29:40 LINUX RESTART (8 CPU) 14:30:00 CPU %user %nice %system %iowait %steal %idle 14:40:12 all 35.78 0.00 1.14 0.21 0.07 62.79 14:40:12 0 32.69 0.00 1.03 0.10 0.07 66.11 14:40:12 1 38.43 0.00 1.26 0.41 0.07 59.82 14:40:12 2 34.39 0.00 0.92 0.37 0.07 64.26 14:40:12 3 40.33 0.00 1.23 0.05 0.08 58.30 14:40:12 4 37.01 0.00 1.20 0.12 0.07 61.60 14:40:12 5 36.06 0.00 1.13 0.06 0.08 62.67 14:40:12 6 28.91 0.00 0.91 0.09 0.06 70.03 14:40:12 7 38.45 0.00 1.46 0.46 0.08 59.54 14:50:12 all 17.66 0.00 2.68 0.45 0.06 79.16 14:50:12 0 16.28 0.00 2.45 0.49 0.07 80.72 14:50:12 1 9.89 0.00 2.65 0.45 0.06 86.95 14:50:12 2 13.59 0.00 2.33 0.44 0.05 83.58 14:50:12 3 15.24 0.00 2.82 0.34 0.06 81.55 14:50:12 4 24.19 0.00 3.50 0.40 0.07 71.84 14:50:12 5 22.38 0.00 2.61 0.49 0.06 74.46 14:50:12 6 17.18 0.00 2.28 0.51 0.07 79.96 14:50:12 7 22.53 0.00 2.79 0.44 0.06 74.19 Average: all 26.83 0.00 1.90 0.33 0.07 70.88 Average: 0 24.59 0.00 1.73 0.29 0.07 73.32 Average: 1 24.32 0.00 1.95 0.43 0.07 73.23 Average: 2 24.10 0.00 1.62 0.40 0.06 73.81 Average: 3 27.93 0.00 2.01 0.19 0.07 69.79 Average: 4 30.68 0.00 2.34 0.26 0.07 66.65 Average: 5 29.29 0.00 1.86 0.28 0.07 68.50 Average: 6 23.11 0.00 1.59 0.30 0.06 74.94 Average: 7 30.59 0.00 2.12 0.45 0.07 66.77