---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1136 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 663 10293 4 5031 14982 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:b6:41:a6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.66/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83973sec preferred_lft 83973sec inet6 fe80::f816:3eff:feb6:41a6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:e8:be:6b:c2:25 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-1136) 08/01/26 _x86_64_ (4 CPU) 07:42:13 LINUX RESTART (4 CPU) 07:50:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:00:06 7.27 1.91 5.18 0.18 123.20 1463.87 417.04 08:10:06 11.62 0.44 10.08 1.10 17.21 2257.44 2811.48 08:20:01 29.65 0.59 24.78 4.29 22.54 3839.03 3203.09 Average: 16.12 0.98 13.29 1.85 54.59 2513.62 2136.29 07:50:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:00:06 10807184 14009208 1952260 11.92 121412 3230820 2409624 13.83 501516 4707232 54000 08:10:06 9808028 13645320 2309828 14.11 151284 3773360 2508444 14.40 666616 5465404 26496 08:20:01 10588196 15380932 567664 3.47 176940 4640008 1106580 6.35 919520 4344044 232 Average: 10401136 14345153 1609917 9.83 149879 3881396 2008216 11.53 695884 4838893 26909 07:50:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:00:06 lo 0.33 0.33 0.03 0.03 0.00 0.00 0.00 0.00 08:00:06 ens3 61.63 50.60 673.10 7.92 0.00 0.00 0.00 0.00 08:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:06 lo 1.42 1.42 0.14 0.14 0.00 0.00 0.00 0.00 08:10:06 ens3 71.07 53.62 100.39 17.38 0.00 0.00 0.00 0.00 08:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:01 lo 1652.92 1652.92 1567.51 1567.51 0.00 0.00 0.00 0.00 08:20:01 ens3 90.98 78.96 411.38 102.12 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 Average: lo 547.03 547.03 518.27 518.27 0.00 0.00 0.00 0.00 Average: ens3 74.48 60.98 395.66 42.22 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-1136) 08/01/26 _x86_64_ (4 CPU) 07:42:13 LINUX RESTART (4 CPU) 07:50:01 CPU %user %nice %system %iowait %steal %idle 08:00:06 all 16.34 0.00 0.56 0.04 0.03 83.03 08:00:06 0 16.75 0.00 0.55 0.04 0.03 82.62 08:00:06 1 16.46 0.00 0.68 0.07 0.03 82.75 08:00:06 2 16.26 0.00 0.41 0.01 0.03 83.28 08:00:06 3 15.87 0.00 0.58 0.05 0.04 83.46 08:10:06 all 72.33 0.00 2.23 0.15 0.12 25.16 08:10:06 0 71.84 0.00 1.87 0.06 0.12 26.10 08:10:06 1 70.13 0.00 2.33 0.11 0.12 27.31 08:10:06 2 72.71 0.00 2.24 0.27 0.13 24.65 08:10:06 3 74.63 0.00 2.48 0.17 0.13 22.59 08:20:01 all 46.80 0.00 2.24 0.08 0.08 50.80 08:20:01 0 44.97 0.00 2.61 0.09 0.08 52.24 08:20:01 1 47.79 0.00 2.29 0.12 0.09 49.71 08:20:01 2 43.39 0.00 1.79 0.05 0.08 54.70 08:20:01 3 51.03 0.00 2.28 0.05 0.09 46.54 Average: all 45.05 0.00 1.67 0.09 0.08 53.11 Average: 0 44.43 0.00 1.67 0.06 0.08 53.76 Average: 1 44.70 0.00 1.76 0.10 0.08 53.36 Average: 2 44.02 0.00 1.48 0.11 0.08 54.31 Average: 3 47.06 0.00 1.78 0.09 0.08 50.99