---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1538 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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): 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 1.1M 1.6G 1% /run /dev/vda1 78G 11G 68G 14% / 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 654 10504 4 4830 14992 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:8e:5a:f4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.223/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84058sec preferred_lft 84058sec inet6 fe80::f816:3eff:fe8e:5af4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:69:cb:eb:ae:02 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 ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-1538) 08/02/26 _x86_64_ (4 CPU) 15:15:13 LINUX RESTART (4 CPU) 15:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:30:01 2.54 0.04 2.48 0.02 1.49 45.13 0.83 15:40:01 27.28 2.03 10.90 14.35 130.69 2956.39 241106.98 15:50:01 32.62 0.91 27.13 4.58 33.23 4271.52 3747.66 Average: 20.81 1.00 13.50 6.31 55.14 2423.98 81634.07 15:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:30:01 13069452 15543532 431288 2.63 99312 2563616 996112 5.72 340340 2645764 4 15:40:01 10551528 13952184 2007324 12.26 139868 3376588 2384544 13.69 577824 4845832 11544 15:50:01 10826740 15413468 538084 3.29 173308 4442916 1103912 6.34 903668 4149820 82368 Average: 11482573 14969728 992232 6.06 137496 3461040 1494856 8.58 607277 3880472 31305 15:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:30:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 15:30:01 ens3 14.32 11.87 193.56 1.38 0.00 0.00 0.00 0.00 15:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:01 lo 1.22 1.22 0.12 0.12 0.00 0.00 0.00 0.00 15:40:01 ens3 94.26 76.56 604.22 19.17 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:01 lo 1610.65 1610.65 1534.71 1534.71 0.00 0.00 0.00 0.00 15:50:01 ens3 88.75 69.84 430.48 22.35 0.00 0.00 0.00 0.00 15:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 537.11 537.11 511.41 511.41 0.00 0.00 0.00 0.00 Average: ens3 65.77 52.75 409.42 14.30 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-1538) 08/02/26 _x86_64_ (4 CPU) 15:15:13 LINUX RESTART (4 CPU) 15:20:01 CPU %user %nice %system %iowait %steal %idle 15:30:01 all 0.17 0.00 0.05 0.02 0.02 99.75 15:30:01 0 0.40 0.00 0.09 0.00 0.01 99.50 15:30:01 1 0.04 0.00 0.03 0.01 0.03 99.88 15:30:01 2 0.14 0.00 0.04 0.01 0.04 99.77 15:30:01 3 0.09 0.00 0.04 0.05 0.01 99.82 15:40:01 all 62.06 0.00 2.01 0.05 0.08 35.80 15:40:01 0 62.17 0.00 2.05 0.02 0.08 35.68 15:40:01 1 61.52 0.00 2.25 0.03 0.08 36.12 15:40:01 2 63.15 0.00 1.97 0.08 0.08 34.72 15:40:01 3 61.41 0.00 1.77 0.05 0.07 36.69 15:50:01 all 65.97 0.00 2.72 0.08 0.08 31.14 15:50:01 0 67.46 0.00 2.66 0.06 0.08 29.73 15:50:01 1 64.82 0.00 2.89 0.05 0.08 32.15 15:50:01 2 64.25 0.00 2.73 0.16 0.09 32.77 15:50:01 3 67.36 0.00 2.60 0.05 0.08 29.91 Average: all 42.70 0.00 1.59 0.05 0.06 55.60 Average: 0 43.29 0.00 1.60 0.03 0.06 55.02 Average: 1 42.09 0.00 1.72 0.03 0.07 56.09 Average: 2 42.52 0.00 1.58 0.08 0.07 55.75 Average: 3 42.90 0.00 1.47 0.05 0.06 55.52