---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-39095 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 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 651 8796 4 6541 14995 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:f2:c7:d3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.75/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84169sec preferred_lft 84169sec inet6 fe80::f816:3eff:fef2:c7d3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:66:ec:79:21:06 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-39095) 07/26/26 _x86_64_ (4 CPU) 05:23:49 LINUX RESTART (4 CPU) 05:30:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:18 21.48 0.06 18.88 2.53 6.24 2066.21 13491.54 05:50:18 30.45 0.03 27.38 3.05 0.45 4294.44 23311.75 06:00:06 9.68 0.15 8.39 1.14 9.75 6062.23 1970.63 Average: 20.61 0.08 18.28 2.25 5.45 4123.17 12999.09 05:30:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:18 8677228 12659248 3296360 20.13 146992 3932448 3412692 19.59 749804 6536932 179556 05:50:18 7387980 12180072 3771116 23.03 163060 4689440 3610612 20.72 1007252 7519648 2052 06:00:06 9092732 15431904 514040 3.14 182636 6166308 1033832 5.93 1596136 5140776 2456 Average: 8385980 13423741 2527172 15.43 164229 4929399 2685712 15.42 1117731 6399119 61355 05:30:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:18 lo 1303.13 1303.13 1235.54 1235.54 0.00 0.00 0.00 0.00 05:40:18 ens3 42.99 34.94 25.97 11.91 0.00 0.00 0.00 0.00 05:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:18 lo 1286.69 1286.69 1222.12 1222.12 0.00 0.00 0.00 0.00 05:50:18 ens3 37.00 30.39 38.13 10.76 0.00 0.00 0.00 0.00 05:50:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:06 lo 372.92 372.92 6980.77 6980.77 0.00 0.00 0.00 0.00 06:00:06 ens3 84.82 95.36 123.60 1024.45 0.00 0.00 0.00 0.00 06:00:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 992.44 992.44 3115.98 3115.98 0.00 0.00 0.00 0.00 Average: ens3 54.71 53.24 62.07 343.73 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-39095) 07/26/26 _x86_64_ (4 CPU) 05:23:49 LINUX RESTART (4 CPU) 05:30:14 CPU %user %nice %system %iowait %steal %idle 05:40:18 all 67.73 0.00 2.40 0.04 0.09 29.74 05:40:18 0 66.24 0.00 2.53 0.04 0.09 31.10 05:40:18 1 67.52 0.00 2.60 0.03 0.09 29.76 05:40:18 2 69.58 0.00 2.36 0.05 0.09 27.91 05:40:18 3 67.58 0.00 2.11 0.05 0.09 30.18 05:50:18 all 59.73 0.00 2.53 0.09 0.09 37.55 05:50:18 0 61.35 0.00 2.42 0.07 0.10 36.06 05:50:18 1 57.90 0.00 2.64 0.06 0.09 39.30 05:50:18 2 60.48 0.00 2.66 0.11 0.10 36.66 05:50:18 3 59.18 0.00 2.41 0.13 0.09 38.18 06:00:06 all 26.73 0.00 0.99 0.10 0.06 72.12 06:00:06 0 26.48 0.00 0.74 0.03 0.06 72.69 06:00:06 1 24.21 0.00 1.08 0.02 0.07 74.62 06:00:06 2 30.94 0.00 0.86 0.05 0.06 68.10 06:00:06 3 25.28 0.00 1.27 0.30 0.06 73.08 Average: all 51.58 0.00 1.98 0.08 0.08 46.28 Average: 0 51.52 0.00 1.90 0.05 0.08 46.44 Average: 1 50.08 0.00 2.11 0.04 0.08 47.68 Average: 2 53.83 0.00 1.97 0.07 0.08 44.06 Average: 3 50.88 0.00 1.94 0.16 0.08 46.95