---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-849 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 10514 4 4821 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:ce:80:a0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.101/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84338sec preferred_lft 84338sec inet6 fe80::f816:3eff:fece:80a0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 16:b5:cf:52:3a:d2 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-849) 07/31/26 _x86_64_ (4 CPU) 07:56:25 LINUX RESTART (4 CPU) 08:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:01 10.34 1.96 7.98 0.40 125.93 2097.00 1008.42 08:20:01 9.84 0.48 8.31 1.05 18.04 1896.98 3176.85 08:30:01 26.91 0.56 22.09 4.25 22.09 3555.71 2441.34 Average: 15.69 1.00 12.79 1.90 55.35 2516.32 2208.98 08:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:01 10712712 13858800 2102616 12.84 121332 3166252 2708060 15.54 515752 4785096 29788 08:20:01 9829456 13522320 2433840 14.86 149276 3630880 2668840 15.32 659836 5460164 24800 08:30:01 10792504 15371440 578848 3.54 174960 4435240 1104284 6.34 907448 4182728 15072 Average: 10444891 14250853 1705101 10.41 148523 3744124 2160395 12.40 694345 4809329 23220 08:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:01 lo 0.61 0.61 0.06 0.06 0.00 0.00 0.00 0.00 08:10:01 ens3 85.15 66.68 749.82 12.10 0.00 0.00 0.00 0.00 08:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:01 lo 1.40 1.40 0.14 0.14 0.00 0.00 0.00 0.00 08:20:01 ens3 62.97 49.47 52.34 16.82 0.00 0.00 0.00 0.00 08:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 lo 1711.57 1711.57 1618.92 1618.92 0.00 0.00 0.00 0.00 08:30:01 ens3 116.42 104.73 418.88 189.26 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 570.94 570.94 539.47 539.47 0.00 0.00 0.00 0.00 Average: ens3 88.17 73.62 406.96 72.70 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-849) 07/31/26 _x86_64_ (4 CPU) 07:56:25 LINUX RESTART (4 CPU) 08:00:01 CPU %user %nice %system %iowait %steal %idle 08:10:01 all 33.87 0.00 1.08 0.03 0.07 64.94 08:10:01 0 32.59 0.00 1.05 0.01 0.07 66.28 08:10:01 1 35.21 0.00 1.35 0.06 0.07 63.31 08:10:01 2 35.05 0.00 0.94 0.03 0.07 63.90 08:10:01 3 32.62 0.00 0.98 0.03 0.08 66.30 08:20:01 all 71.46 0.00 2.27 0.02 0.15 26.09 08:20:01 0 70.94 0.00 2.42 0.02 0.15 26.48 08:20:01 1 70.99 0.00 2.19 0.02 0.16 26.64 08:20:01 2 73.10 0.00 2.39 0.01 0.16 24.34 08:20:01 3 70.82 0.00 2.10 0.03 0.15 26.89 08:30:01 all 40.14 0.00 2.06 0.06 0.10 57.63 08:30:01 0 35.93 0.00 2.24 0.04 0.09 61.70 08:30:01 1 38.77 0.00 1.86 0.03 0.10 59.23 08:30:01 2 43.84 0.00 2.00 0.09 0.10 53.97 08:30:01 3 42.03 0.00 2.15 0.09 0.10 55.63 Average: all 48.49 0.00 1.81 0.04 0.11 49.56 Average: 0 46.48 0.00 1.90 0.02 0.10 51.49 Average: 1 48.33 0.00 1.80 0.04 0.11 49.73 Average: 2 50.66 0.00 1.78 0.05 0.11 47.41 Average: 3 48.49 0.00 1.74 0.05 0.11 49.61