---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-914 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 11G 68G 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 653 10509 4 4826 14993 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:68:57:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.254/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83685sec preferred_lft 83685sec inet6 fe80::f816:3eff:fe68:5757/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 8e:a7:54:bf:dc:9e 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-914) 07/31/26 _x86_64_ (4 CPU) 15:14:06 LINUX RESTART (4 CPU) 15:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:30:11 1.80 0.01 1.79 0.00 0.28 32.81 0.16 15:40:13 11.22 1.91 8.71 0.60 123.63 2467.11 1089.01 15:50:01 24.63 0.78 20.95 2.90 28.47 3264.28 9330.15 Average: 12.42 0.90 10.37 1.15 50.76 1903.11 3412.93 15:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:30:11 13045056 15517616 457288 2.79 98560 2563164 990612 5.69 338800 2654260 120 15:40:13 10732536 13993596 1967164 12.01 127752 3262840 2267888 13.02 540212 4730612 24676 15:50:01 9073876 13268148 2684316 16.39 164648 4081248 3110624 17.85 764684 6076340 86136 Average: 10950489 14259787 1702923 10.40 130320 3302417 2123041 12.19 547899 4487071 36977 15:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:30:11 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 15:30:11 ens3 8.01 7.01 121.37 0.84 0.00 0.00 0.00 0.00 15:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:40:13 lo 0.80 0.80 0.08 0.08 0.00 0.00 0.00 0.00 15:40:13 ens3 85.20 65.66 626.79 14.10 0.00 0.00 0.00 0.00 15:40:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:01 lo 1258.77 1258.77 1199.45 1199.45 0.00 0.00 0.00 0.00 15:50:01 ens3 87.27 64.63 336.31 18.04 0.00 0.00 0.00 0.00 15:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 411.60 411.60 391.93 391.93 0.00 0.00 0.00 0.00 Average: ens3 59.74 45.46 360.70 10.90 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-914) 07/31/26 _x86_64_ (4 CPU) 15:14:06 LINUX RESTART (4 CPU) 15:20:01 CPU %user %nice %system %iowait %steal %idle 15:30:11 all 0.23 0.00 0.04 0.01 0.01 99.70 15:30:11 0 0.20 0.00 0.04 0.01 0.01 99.73 15:30:11 1 0.16 0.00 0.05 0.00 0.01 99.78 15:30:11 2 0.08 0.00 0.05 0.00 0.02 99.84 15:30:11 3 0.48 0.00 0.02 0.02 0.01 99.47 15:40:13 all 42.88 0.00 1.32 0.03 0.07 55.69 15:40:13 0 42.29 0.00 1.30 0.02 0.07 56.31 15:40:13 1 43.08 0.00 1.04 0.03 0.06 55.79 15:40:13 2 43.44 0.00 1.59 0.08 0.07 54.82 15:40:13 3 42.70 0.00 1.37 0.01 0.07 55.85 15:50:01 all 68.84 0.00 2.58 0.05 0.10 28.43 15:50:01 0 67.78 0.00 2.40 0.05 0.10 29.67 15:50:01 1 69.69 0.00 2.33 0.04 0.10 27.84 15:50:01 2 69.41 0.00 2.78 0.05 0.10 27.67 15:50:01 3 68.50 0.00 2.80 0.05 0.10 28.54 Average: all 36.88 0.00 1.30 0.03 0.06 61.73 Average: 0 36.34 0.00 1.23 0.03 0.06 62.34 Average: 1 37.22 0.00 1.12 0.02 0.06 61.58 Average: 2 37.21 0.00 1.46 0.04 0.06 61.23 Average: 3 36.77 0.00 1.38 0.03 0.06 61.77