---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-34023 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 670 10369 4 4948 14976 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:6a:eb:c0 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.131/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84656sec preferred_lft 84656sec inet6 fe80::f816:3eff:fe6a:ebc0/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:2f:43:d8:10:97 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-34023) 07/08/26 _x86_64_ (4 CPU) 14:39:55 LINUX RESTART (4 CPU) 14:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:01 55.05 12.46 41.29 1.30 1741.73 14485.64 2557.04 15:00:01 16.20 0.78 13.94 1.49 27.96 3143.56 2483.93 Average: 35.63 6.62 27.62 1.39 885.17 8816.77 2520.50 14:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:01 10140204 13475628 2484896 15.18 125652 3342612 2880048 16.53 591512 5273060 34292 15:00:01 8921392 13255240 2696828 16.47 163660 4221056 2916584 16.74 823584 6160404 108056 Average: 9530798 13365434 2590862 15.82 144656 3781834 2898316 16.64 707548 5716732 71174 14:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:01 lo 1.02 1.02 0.10 0.10 0.00 0.00 0.00 0.00 14:50:01 ens3 147.45 109.98 1084.33 21.94 0.00 0.00 0.00 0.00 14:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:01 lo 362.86 362.86 344.84 344.84 0.00 0.00 0.00 0.00 15:00:01 ens3 83.61 62.85 330.82 18.44 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 181.87 181.87 172.40 172.40 0.00 0.00 0.00 0.00 Average: ens3 115.54 86.43 707.72 20.19 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-34023) 07/08/26 _x86_64_ (4 CPU) 14:39:55 LINUX RESTART (4 CPU) 14:40:00 CPU %user %nice %system %iowait %steal %idle 14:50:01 all 40.65 0.00 1.67 1.16 0.09 56.44 14:50:01 0 41.71 0.00 1.72 1.59 0.09 54.89 14:50:01 1 39.06 0.00 1.53 0.55 0.09 58.78 14:50:01 2 41.68 0.00 1.81 0.45 0.09 55.96 14:50:01 3 40.14 0.00 1.61 2.04 0.09 56.11 15:00:01 all 70.70 0.00 2.43 0.05 0.14 26.68 15:00:01 0 70.26 0.00 2.27 0.02 0.14 27.30 15:00:01 1 71.50 0.00 2.61 0.06 0.15 25.68 15:00:01 2 72.23 0.00 2.51 0.05 0.14 25.06 15:00:01 3 68.80 0.00 2.34 0.07 0.14 28.66 Average: all 55.66 0.00 2.05 0.60 0.12 41.56 Average: 0 55.98 0.00 2.00 0.80 0.12 41.10 Average: 1 55.25 0.00 2.07 0.30 0.12 42.25 Average: 2 56.95 0.00 2.16 0.25 0.12 40.52 Average: 3 54.47 0.00 1.98 1.05 0.11 42.39