---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26087 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 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 697 10417 4 4874 14949 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:48:1f:16 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.132/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84906sec preferred_lft 84906sec inet6 fe80::f816:3eff:fe48:1f16/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5e:d9:8c:a4:17:38 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-26087) 06/09/26 _x86_64_ (4 CPU) 05:05:49 LINUX RESTART (4 CPU) 05:10:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:20:13 12.27 0.50 10.69 1.08 18.27 2600.03 2782.29 05:30:03 28.61 0.79 23.63 4.19 29.03 3789.06 6243.64 Average: 20.30 0.64 17.05 2.61 23.56 3184.76 4484.48 05:10:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:20:13 9985256 13675600 2281100 13.93 149084 3629192 2498056 14.34 658948 5311304 24612 05:30:03 10727072 15360736 589476 3.60 173588 4485452 1103904 6.34 916536 4220828 14956 Average: 10356164 14518168 1435288 8.77 161336 4057322 1800980 10.34 787742 4766066 19784 05:10:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:20:13 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 05:20:13 ens3 66.05 51.81 139.75 17.21 0.00 0.00 0.00 0.00 05:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:30:03 lo 1489.71 1489.71 1406.76 1406.76 0.00 0.00 0.00 0.00 05:30:03 ens3 125.08 113.32 427.79 201.97 0.00 0.00 0.00 0.00 05:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 733.30 733.30 691.87 691.87 0.00 0.00 0.00 0.00 Average: ens3 95.08 82.06 281.40 108.07 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-26087) 06/09/26 _x86_64_ (4 CPU) 05:05:49 LINUX RESTART (4 CPU) 05:10:04 CPU %user %nice %system %iowait %steal %idle 05:20:13 all 73.98 0.00 2.33 0.02 0.11 23.55 05:20:13 0 72.93 0.00 2.62 0.03 0.11 24.31 05:20:13 1 76.82 0.00 2.13 0.02 0.11 20.93 05:20:13 2 74.10 0.00 2.32 0.03 0.11 23.44 05:20:13 3 72.08 0.00 2.26 0.02 0.11 25.53 05:30:03 all 46.39 0.00 2.13 0.11 0.09 51.29 05:30:03 0 47.66 0.00 2.00 0.08 0.09 50.16 05:30:03 1 47.86 0.00 2.06 0.20 0.09 49.80 05:30:03 2 46.32 0.00 2.24 0.07 0.09 51.28 05:30:03 3 43.70 0.00 2.20 0.08 0.09 53.94 Average: all 60.41 0.00 2.23 0.06 0.10 37.19 Average: 0 60.49 0.00 2.32 0.06 0.10 37.04 Average: 1 62.58 0.00 2.09 0.11 0.10 35.12 Average: 2 60.44 0.00 2.28 0.05 0.10 37.13 Average: 3 58.13 0.00 2.23 0.05 0.10 39.49