---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27339 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 12G 66G 16% / 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 648 8786 4 6554 14998 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:2f:79:4c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.228/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84127sec preferred_lft 84127sec inet6 fe80::f816:3eff:fe2f:794c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:e6:fe:9f:68:d7 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-27339) 06/14/26 _x86_64_ (4 CPU) 05:23:11 LINUX RESTART (4 CPU) 05:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:00 24.88 0.42 21.44 3.02 19.02 2725.76 6195.68 05:50:02 32.05 0.01 28.75 3.29 0.21 2670.32 14058.20 06:00:02 11.76 0.31 10.25 1.21 11.60 7521.10 603.88 Average: 22.90 0.25 20.15 2.51 10.27 4305.38 6954.17 05:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:00 9585096 13348224 2608740 15.93 142232 3731520 2867032 16.46 752196 5636376 36464 05:50:02 8388316 13159260 2793128 17.06 161440 4673040 2904040 16.67 1037416 6501500 561968 06:00:02 9076868 15428932 517844 3.16 179368 6183912 1082176 6.21 1625020 5151460 2600 Average: 9016760 13978805 1973237 12.05 161013 4862824 2284416 13.11 1138211 5763112 200344 05:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:00 lo 1540.92 1540.92 1462.38 1462.38 0.00 0.00 0.00 0.00 05:40:00 ens3 49.86 41.00 54.80 13.75 0.00 0.00 0.00 0.00 05:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:02 lo 1409.68 1409.68 1342.08 1342.08 0.00 0.00 0.00 0.00 05:50:02 ens3 44.92 36.41 41.50 12.80 0.00 0.00 0.00 0.00 05:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:02 lo 370.59 370.59 6836.58 6836.58 0.00 0.00 0.00 0.00 06:00:02 ens3 93.25 101.79 117.20 1003.41 0.00 0.00 0.00 0.00 06:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1107.12 1107.12 3213.28 3213.28 0.00 0.00 0.00 0.00 Average: ens3 62.67 59.73 71.16 343.25 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-27339) 06/14/26 _x86_64_ (4 CPU) 05:23:11 LINUX RESTART (4 CPU) 05:30:00 CPU %user %nice %system %iowait %steal %idle 05:40:00 all 69.46 0.00 2.65 0.05 0.09 27.75 05:40:00 0 68.36 0.00 2.38 0.04 0.09 29.13 05:40:00 1 69.42 0.00 2.62 0.10 0.09 27.77 05:40:00 2 70.12 0.00 2.57 0.03 0.09 27.20 05:40:00 3 69.95 0.00 3.02 0.05 0.09 26.90 05:50:02 all 63.40 0.00 2.49 0.07 0.09 33.95 05:50:02 0 63.06 0.00 2.68 0.07 0.09 34.09 05:50:02 1 63.37 0.00 2.50 0.05 0.09 33.99 05:50:02 2 63.46 0.00 2.32 0.07 0.09 34.07 05:50:02 3 63.71 0.00 2.44 0.11 0.09 33.65 06:00:02 all 27.70 0.00 0.97 0.13 0.07 71.11 06:00:02 0 23.09 0.00 1.02 0.11 0.07 75.70 06:00:02 1 25.18 0.00 1.09 0.06 0.07 73.60 06:00:02 2 29.88 0.00 0.94 0.28 0.07 68.83 06:00:02 3 32.67 0.00 0.84 0.08 0.08 66.33 Average: all 53.50 0.00 2.03 0.09 0.08 44.29 Average: 0 51.46 0.00 2.03 0.08 0.09 46.35 Average: 1 52.65 0.00 2.07 0.07 0.08 45.12 Average: 2 54.48 0.00 1.94 0.13 0.08 43.37 Average: 3 55.43 0.00 2.10 0.08 0.08 42.31