---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38637 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 12G 67G 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 697 9531 4 5760 14948 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:ae:69:5f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.229/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84374sec preferred_lft 84374sec inet6 fe80::f816:3eff:feae:695f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 92:83:ed:17:6f:5a 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-38637) 07/25/26 _x86_64_ (4 CPU) 15:47:19 LINUX RESTART (4 CPU) 15:50:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 16:00:11 20.61 2.64 16.90 1.07 147.00 4224.27 1910.11 16:10:01 37.07 0.05 33.26 3.77 1.33 3337.72 27997.64 16:20:10 31.13 11.85 16.59 2.68 139.34 5771.67 83861.26 Average: 29.56 4.90 22.16 2.50 96.68 4456.92 38165.16 15:50:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 16:00:11 9318024 13112004 2844324 17.37 152224 3727980 2997008 17.20 691256 5944140 121968 16:10:01 8141964 12575476 3375904 20.62 180588 4289352 3509740 20.15 868652 6878668 195008 16:20:10 9820456 15357120 587992 3.59 202992 5294836 1076880 6.18 963940 4984652 2252 Average: 9093481 13681533 2269407 13.86 178601 4437389 2527876 14.51 841283 5935820 106409 15:50:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 16:00:11 lo 514.05 514.05 489.80 489.80 0.00 0.00 0.00 0.00 16:00:11 ens3 109.16 82.62 844.14 16.69 0.00 0.00 0.00 0.00 16:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:10:01 lo 1749.30 1749.30 1667.78 1667.78 0.00 0.00 0.00 0.00 16:10:01 ens3 53.21 40.28 141.97 12.07 0.00 0.00 0.00 0.00 16:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 16:20:10 lo 11.81 11.81 1.22 1.22 0.00 0.00 0.00 0.00 16:20:10 ens3 82.94 78.28 124.40 225.97 0.00 0.00 0.00 0.00 16:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 749.01 749.01 710.61 710.61 0.00 0.00 0.00 0.00 Average: ens3 81.96 67.28 370.72 85.93 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-38637) 07/25/26 _x86_64_ (4 CPU) 15:47:19 LINUX RESTART (4 CPU) 15:50:10 CPU %user %nice %system %iowait %steal %idle 16:00:11 all 46.28 0.00 1.50 0.05 0.07 52.09 16:00:11 0 47.61 0.00 1.51 0.06 0.07 50.75 16:00:11 1 47.10 0.00 1.54 0.04 0.07 51.24 16:00:11 2 44.45 0.00 1.50 0.03 0.07 53.95 16:00:11 3 45.98 0.00 1.44 0.08 0.07 52.43 16:10:01 all 60.99 0.00 2.57 0.07 0.10 36.27 16:10:01 0 60.10 0.00 2.63 0.05 0.10 37.12 16:10:01 1 60.33 0.00 2.63 0.05 0.10 36.90 16:10:01 2 60.86 0.00 2.53 0.06 0.10 36.46 16:10:01 3 62.67 0.00 2.48 0.14 0.09 34.61 16:20:10 all 42.82 0.07 1.48 0.12 0.07 55.45 16:20:10 0 39.47 0.00 1.56 0.06 0.07 58.84 16:20:10 1 44.45 0.21 1.65 0.27 0.07 53.35 16:20:10 2 43.53 0.07 1.38 0.06 0.07 54.89 16:20:10 3 43.82 0.00 1.31 0.09 0.07 54.71 Average: all 49.92 0.02 1.84 0.08 0.08 48.06 Average: 0 48.94 0.00 1.89 0.06 0.08 49.03 Average: 1 50.53 0.07 1.94 0.12 0.08 47.26 Average: 2 49.50 0.02 1.80 0.05 0.08 48.55 Average: 3 50.71 0.00 1.74 0.10 0.08 47.37