---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22288 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 12G 67G 15% / 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 699 9353 4 5937 14947 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:a4:4f:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.168/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84569sec preferred_lft 84569sec inet6 fe80::f816:3eff:fea4:4f77/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:b7:cb:72:d4:f2 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-22288) 03/24/26 _x86_64_ (4 CPU) 12:35:24 LINUX RESTART (4 CPU) 12:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:16 33.35 0.79 28.99 3.57 386.25 4322.89 35200.92 13:00:17 26.61 0.04 23.66 2.91 1.40 6002.43 15492.03 Average: 30.02 0.42 26.36 3.24 196.07 5152.84 25461.69 12:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:16 8530336 12769176 3184036 19.45 164692 4149844 3370780 19.35 921756 6469072 177104 13:00:17 7694024 13164248 2782892 17.00 194444 5288320 2977608 17.09 1188296 6977444 23712 Average: 8112180 12966712 2983464 18.22 179568 4719082 3174194 18.22 1055026 6723258 100408 12:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:16 lo 1320.23 1320.23 1258.74 1258.74 0.00 0.00 0.00 0.00 12:50:16 ens3 82.51 58.42 529.23 15.15 0.00 0.00 0.00 0.00 12:50:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:17 lo 766.31 766.31 729.59 729.59 0.00 0.00 0.00 0.00 13:00:17 ens3 61.04 47.27 233.92 12.96 0.00 0.00 0.00 0.00 13:00:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1046.51 1046.51 997.26 997.26 0.00 0.00 0.00 0.00 Average: ens3 71.90 52.91 383.30 14.07 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-22288) 03/24/26 _x86_64_ (4 CPU) 12:35:24 LINUX RESTART (4 CPU) 12:40:01 CPU %user %nice %system %iowait %steal %idle 12:50:16 all 65.77 0.00 2.63 0.08 0.11 31.42 12:50:16 0 66.95 0.00 2.73 0.08 0.10 30.14 12:50:16 1 64.91 0.00 2.58 0.04 0.11 32.36 12:50:16 2 65.46 0.00 2.63 0.13 0.11 31.67 12:50:16 3 65.74 0.00 2.57 0.06 0.11 31.52 13:00:17 all 57.86 0.00 2.18 0.05 0.10 39.81 13:00:17 0 56.30 0.00 2.12 0.09 0.10 41.39 13:00:17 1 59.30 0.00 2.12 0.03 0.10 38.46 13:00:17 2 58.97 0.00 2.13 0.06 0.10 38.73 13:00:17 3 56.85 0.00 2.34 0.03 0.10 40.67 Average: all 61.86 0.00 2.40 0.06 0.10 35.57 Average: 0 61.69 0.00 2.43 0.08 0.10 35.70 Average: 1 62.14 0.00 2.35 0.04 0.10 35.37 Average: 2 62.25 0.00 2.39 0.09 0.10 35.16 Average: 3 61.35 0.00 2.46 0.05 0.11 36.04