---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1856 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: 5600.00 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 67G 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 630 9880 4 5479 15016 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:65:c5:4b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.161/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84867sec preferred_lft 84867sec inet6 fe80::f816:3eff:fe65:c54b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 22:d6:77:ff:65:c9 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::20d6:77ff:feff:65c9/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-1856) 08/03/26 _x86_64_ (4 CPU) 22:29:25 LINUX RESTART (4 CPU) 22:30:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:40:15 40.87 3.03 22.86 14.97 170.54 5300.41 242089.66 22:50:37 58.83 2.40 52.90 3.54 314.82 6045.50 6209.80 Average: 50.01 2.71 38.15 9.15 243.99 5679.70 122014.84 22:30:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:40:15 10393532 13844320 2115000 12.92 135024 3430656 2491468 14.30 588536 5007492 27764 22:50:37 10155836 15399220 547420 3.34 183752 5049684 1285320 7.38 1062088 4609132 100 Average: 10274684 14621770 1331210 8.13 159388 4240170 1888394 10.84 825312 4808312 13932 22:30:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:40:15 lo 1.47 1.47 0.15 0.15 0.00 0.00 0.00 0.00 22:40:15 ens3 103.70 80.07 795.30 15.80 0.00 0.00 0.00 0.00 22:40:15 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:37 lo 1397.70 1397.70 1332.43 1332.43 0.00 0.00 0.00 0.00 22:50:37 ens3 77.44 62.30 639.25 87.88 0.00 0.00 0.00 0.00 22:50:37 docker0 14.40 11.49 77.80 3.23 0.00 0.00 0.00 0.00 22:50:37 vethee181f8 14.40 11.50 78.00 3.23 0.00 0.00 0.00 0.01 Average: lo 712.22 712.22 678.35 678.35 0.00 0.00 0.00 0.00 Average: ens3 90.33 71.02 715.86 52.49 0.00 0.00 0.00 0.00 Average: docker0 7.33 5.85 39.60 1.64 0.00 0.00 0.00 0.00 Average: vethee181f8 7.33 5.85 39.70 1.64 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-1856) 08/03/26 _x86_64_ (4 CPU) 22:29:25 LINUX RESTART (4 CPU) 22:30:14 CPU %user %nice %system %iowait %steal %idle 22:40:15 all 68.00 0.00 2.25 0.19 0.09 29.48 22:40:15 0 69.87 0.00 2.77 0.49 0.09 26.78 22:40:15 1 66.02 0.00 1.85 0.06 0.09 31.99 22:40:15 2 66.15 0.00 1.99 0.05 0.09 31.72 22:40:15 3 69.95 0.00 2.39 0.15 0.09 27.42 22:50:37 all 58.01 0.00 2.78 0.14 0.09 38.98 22:50:37 0 54.57 0.00 2.28 0.11 0.09 42.96 22:50:37 1 58.48 0.00 2.60 0.10 0.09 38.73 22:50:37 2 59.31 0.00 2.84 0.28 0.09 37.47 22:50:37 3 59.67 0.00 3.40 0.09 0.08 36.75 Average: all 62.91 0.00 2.52 0.17 0.09 34.31 Average: 0 62.08 0.00 2.52 0.29 0.09 35.02 Average: 1 62.18 0.00 2.23 0.08 0.09 35.42 Average: 2 62.67 0.00 2.43 0.17 0.09 34.64 Average: 3 64.72 0.00 2.90 0.12 0.09 32.17