---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53404 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 9.1G 69G 12% / 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 626 12114 4 3248 15023 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:e2:e1:b2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.196/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83156sec preferred_lft 83156sec inet6 fe80::f816:3eff:fee2:e1b2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:d4:45:ad:13:c3 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-53404) 03/27/26 _x86_64_ (4 CPU) 05:23:57 LINUX RESTART (4 CPU) 05:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 05:40:02 1.32 0.00 1.31 0.00 0.04 15.59 0.13 05:50:03 1.16 0.00 1.16 0.00 0.00 13.54 0.00 06:00:01 1.27 0.00 1.27 0.00 0.00 14.57 0.00 06:10:03 1.39 0.00 1.39 0.00 0.00 15.84 0.00 Average: 1.28 0.00 1.28 0.00 0.01 14.88 0.03 05:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 05:40:02 13777652 15519836 498944 3.05 54712 1914308 1145940 6.58 193044 2151076 188 05:50:03 13775856 15518644 500028 3.05 55184 1914440 1145940 6.58 193520 2151744 164 06:00:01 13775924 15519232 499536 3.05 55696 1914448 1145940 6.58 194032 2152172 204 06:10:03 13775420 15519468 499224 3.05 56280 1914588 1146004 6.58 194616 2153856 188 Average: 13776213 15519295 499433 3.05 55468 1914446 1145956 6.58 193803 2152212 186 05:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 05:40:02 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 05:40:02 ens3 0.43 0.08 0.05 0.02 0.00 0.00 0.00 0.00 05:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:03 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 05:50:03 ens3 0.39 0.09 0.06 0.02 0.00 0.00 0.00 0.00 05:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:01 lo 0.08 0.08 0.01 0.01 0.00 0.00 0.00 0.00 06:00:01 ens3 0.33 0.10 0.08 0.04 0.00 0.00 0.00 0.00 06:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:10:03 lo 0.12 0.12 0.01 0.01 0.00 0.00 0.00 0.00 06:10:03 ens3 0.31 0.09 0.05 0.02 0.00 0.00 0.00 0.00 06:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 Average: ens3 0.37 0.09 0.06 0.02 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-53404) 03/27/26 _x86_64_ (4 CPU) 05:23:57 LINUX RESTART (4 CPU) 05:30:01 CPU %user %nice %system %iowait %steal %idle 05:40:02 all 0.21 0.00 0.03 0.01 0.02 99.73 05:40:02 0 0.03 0.00 0.05 0.02 0.03 99.86 05:40:02 1 0.02 0.00 0.03 0.01 0.02 99.92 05:40:02 2 0.75 0.00 0.02 0.00 0.01 99.22 05:40:02 3 0.03 0.00 0.02 0.00 0.01 99.94 05:50:03 all 0.11 0.00 0.02 0.01 0.02 99.84 05:50:03 0 0.03 0.00 0.02 0.02 0.01 99.92 05:50:03 1 0.02 0.00 0.03 0.01 0.02 99.91 05:50:03 2 0.38 0.00 0.02 0.00 0.02 99.58 05:50:03 3 0.02 0.00 0.02 0.00 0.01 99.95 06:00:01 all 0.02 0.00 0.03 0.27 0.02 99.67 06:00:01 0 0.02 0.00 0.02 0.00 0.01 99.94 06:00:01 1 0.02 0.00 0.03 0.01 0.02 99.93 06:00:01 2 0.03 0.00 0.02 1.02 0.01 98.92 06:00:01 3 0.02 0.00 0.04 0.03 0.03 99.87 06:10:03 all 0.12 0.00 0.03 0.01 0.02 99.82 06:10:03 0 0.02 0.00 0.02 0.00 0.01 99.94 06:10:03 1 0.02 0.00 0.02 0.01 0.02 99.93 06:10:03 2 0.42 0.00 0.03 0.03 0.01 99.50 06:10:03 3 0.01 0.00 0.03 0.00 0.03 99.93 Average: all 0.12 0.00 0.03 0.07 0.02 99.77 Average: 0 0.03 0.00 0.03 0.01 0.02 99.91 Average: 1 0.02 0.00 0.03 0.01 0.02 99.92 Average: 2 0.40 0.00 0.02 0.26 0.01 99.30 Average: 3 0.02 0.00 0.03 0.01 0.02 99.92