---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27373 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 10260 4 5032 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:ba:39:c5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.246/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84734sec preferred_lft 84734sec inet6 fe80::f816:3eff:feba:39c5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2e:6d:15:d4:d5:dc 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-27373) 06/14/26 _x86_64_ (4 CPU) 15:26:20 LINUX RESTART (4 CPU) 15:30:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 15:40:01 17.32 2.48 13.59 1.25 540.25 3496.01 2535.17 15:50:10 30.97 1.05 25.56 4.36 34.58 4309.20 4210.41 Average: 24.24 1.76 19.66 2.83 283.77 3908.47 3384.87 15:30:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 15:40:01 10147528 13806764 2151364 13.14 143412 3624944 2737248 15.71 723056 5103332 39700 15:50:10 10575760 15368280 582264 3.56 175724 4644392 1121436 6.44 1033568 4259996 26548 Average: 10361644 14587522 1366814 8.35 159568 4134668 1929342 11.07 878312 4681664 33124 15:30:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 15:40:01 lo 1.34 1.34 0.13 0.13 0.00 0.00 0.00 0.00 15:40:01 ens3 107.12 87.64 740.50 21.53 0.00 0.00 0.00 0.00 15:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:50:10 lo 1741.28 1741.28 1658.39 1658.39 0.00 0.00 0.00 0.00 15:50:10 ens3 78.90 62.03 414.64 21.82 0.00 0.00 0.00 0.00 15:50:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 883.86 883.86 841.22 841.22 0.00 0.00 0.00 0.00 Average: ens3 92.81 74.65 575.22 21.68 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-27373) 06/14/26 _x86_64_ (4 CPU) 15:26:20 LINUX RESTART (4 CPU) 15:30:09 CPU %user %nice %system %iowait %steal %idle 15:40:01 all 67.05 0.00 2.22 0.06 0.09 30.58 15:40:01 0 65.82 0.00 2.01 0.03 0.09 32.04 15:40:01 1 65.21 0.00 2.13 0.09 0.09 32.48 15:40:01 2 69.48 0.00 2.38 0.07 0.09 27.98 15:40:01 3 67.69 0.00 2.38 0.03 0.09 29.82 15:50:10 all 62.61 0.00 2.77 0.08 0.09 34.46 15:50:10 0 60.54 0.00 2.75 0.12 0.09 36.51 15:50:10 1 64.85 0.00 2.85 0.05 0.09 32.17 15:50:10 2 60.92 0.00 2.51 0.09 0.09 36.40 15:50:10 3 64.12 0.00 2.97 0.07 0.09 32.75 Average: all 64.80 0.00 2.50 0.07 0.09 32.55 Average: 0 63.14 0.00 2.39 0.08 0.09 34.31 Average: 1 65.03 0.00 2.50 0.07 0.09 32.32 Average: 2 65.14 0.00 2.44 0.08 0.09 32.25 Average: 3 65.88 0.00 2.68 0.05 0.09 31.31