---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-440923 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 601 10711 4 4675 15045 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:40:3c:fa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.78/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84754sec preferred_lft 84754sec inet6 fe80::f816:3eff:fe40:3cfa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:1c:48:56:92:e5 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-440923) 03/11/26 _x86_64_ (4 CPU) 09:55:35 LINUX RESTART (4 CPU) 10:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:22 3.84 0.22 3.45 0.18 22.82 607.47 205.05 10:20:20 29.49 0.53 14.47 14.49 19.34 2064.90 246156.66 Average: 16.43 0.37 8.86 7.20 21.11 1322.58 120885.07 10:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:22 8549076 11440664 4523140 27.63 112604 2946740 4729792 27.15 495088 6995504 64 10:20:20 10306052 13638004 2322232 14.18 132892 3338608 2513572 14.43 676284 5009708 9936 Average: 9427564 12539334 3422686 20.90 122748 3142674 3621682 20.79 585686 6002606 5000 10:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:22 lo 0.60 0.60 0.36 0.36 0.00 0.00 0.00 0.00 10:10:22 ens3 13.66 11.03 77.65 2.55 0.00 0.00 0.00 0.00 10:10:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:20 lo 373.69 373.69 355.98 355.98 0.00 0.00 0.00 0.00 10:20:20 ens3 34.68 26.72 390.74 4.14 0.00 0.00 0.00 0.00 10:20:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 183.66 183.66 174.85 174.85 0.00 0.00 0.00 0.00 Average: ens3 23.98 18.73 231.27 3.33 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-440923) 03/11/26 _x86_64_ (4 CPU) 09:55:35 LINUX RESTART (4 CPU) 10:00:01 CPU %user %nice %system %iowait %steal %idle 10:10:22 all 47.00 0.00 0.69 0.02 0.08 52.21 10:10:22 0 45.65 0.00 0.68 0.02 0.07 53.58 10:10:22 1 39.64 0.00 0.59 0.01 0.08 59.69 10:10:22 2 61.86 0.00 0.84 0.02 0.09 37.20 10:10:22 3 40.84 0.00 0.67 0.02 0.08 58.40 10:20:20 all 54.36 0.00 1.21 0.06 0.08 44.29 10:20:20 0 62.08 0.00 1.36 0.11 0.09 36.36 10:20:20 1 41.63 0.00 1.12 0.07 0.08 57.09 10:20:20 2 52.77 0.00 1.32 0.04 0.08 45.79 10:20:20 3 60.95 0.00 1.02 0.03 0.09 37.91 Average: all 50.61 0.00 0.94 0.04 0.08 48.33 Average: 0 53.70 0.00 1.01 0.06 0.08 45.15 Average: 1 40.62 0.00 0.85 0.04 0.08 58.42 Average: 2 57.40 0.00 1.08 0.03 0.08 41.41 Average: 3 50.70 0.00 0.84 0.02 0.08 48.36