---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22538 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 662 10528 4 4799 14984 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:8e:ca:5e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.29/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84837sec preferred_lft 84837sec inet6 fe80::f816:3eff:fe8e:ca5e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:50:fa:ff:44:11 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-22538) 06/02/26 _x86_64_ (4 CPU) 09:44:11 LINUX RESTART (4 CPU) 09:50:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:00:00 10.87 0.48 9.28 1.11 18.47 2157.50 2982.46 10:10:00 30.31 0.73 24.96 4.62 26.19 3755.13 12220.83 Average: 20.65 0.61 17.16 2.87 22.35 2960.87 7627.98 09:50:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:00:00 9767544 13412132 2545092 15.54 146612 3588868 2904748 16.67 650600 5544244 23056 10:10:00 10809404 15377852 573252 3.50 172984 4428164 1064752 6.11 912796 4162044 21840 Average: 10288474 14394992 1559172 9.52 159798 4008516 1984750 11.39 781698 4853144 22448 09:50:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:00:00 lo 1.44 1.44 0.14 0.14 0.00 0.00 0.00 0.00 10:00:00 ens3 75.82 55.63 102.96 17.37 0.00 0.00 0.00 0.00 10:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:00 lo 1661.72 1661.72 1571.24 1571.24 0.00 0.00 0.00 0.00 10:10:00 ens3 128.94 113.08 416.70 191.09 0.00 0.00 0.00 0.00 10:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 836.31 836.31 790.17 790.17 0.00 0.00 0.00 0.00 Average: ens3 102.53 84.52 260.73 104.72 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-22538) 06/02/26 _x86_64_ (4 CPU) 09:44:11 LINUX RESTART (4 CPU) 09:50:06 CPU %user %nice %system %iowait %steal %idle 10:00:00 all 72.15 0.00 2.26 0.05 0.13 25.41 10:00:00 0 71.91 0.00 2.30 0.07 0.13 25.60 10:00:00 1 69.48 0.00 2.23 0.05 0.13 28.12 10:00:00 2 73.84 0.00 2.14 0.05 0.13 23.84 10:00:00 3 73.37 0.00 2.36 0.06 0.12 24.09 10:10:00 all 43.29 0.00 2.15 0.10 0.09 54.37 10:10:00 0 41.24 0.00 2.10 0.10 0.09 56.48 10:10:00 1 41.06 0.00 2.32 0.06 0.09 56.48 10:10:00 2 48.38 0.00 2.33 0.11 0.09 49.08 10:10:00 3 42.49 0.00 1.86 0.13 0.09 55.43 Average: all 57.64 0.00 2.20 0.08 0.11 39.98 Average: 0 56.48 0.00 2.20 0.08 0.11 41.13 Average: 1 55.18 0.00 2.28 0.05 0.11 42.38 Average: 2 61.03 0.00 2.24 0.08 0.11 36.54 Average: 3 57.85 0.00 2.11 0.09 0.11 39.84