---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-441574 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 66G 16% / 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 634 8823 4 6531 15012 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:cf:b3:f6 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.95/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84499sec preferred_lft 84499sec inet6 fe80::f816:3eff:fecf:b3f6/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:d7:5c:d8:4b:18 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-441574) 03/11/26 _x86_64_ (4 CPU) 10:31:11 LINUX RESTART (4 CPU) 10:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:00 25.05 0.02 22.37 2.67 0.20 2248.37 11234.30 11:00:01 31.15 0.04 16.05 15.07 0.88 3882.23 246318.85 Average: 28.11 0.03 19.20 8.88 0.54 3066.61 128965.72 10:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:00 9186432 12967868 2989068 18.26 149816 3734128 3383716 19.42 748736 6011720 96876 11:00:01 5634888 10256072 5697312 34.80 162092 4530608 5502668 31.59 1019504 9246476 304 Average: 7410660 11611970 4343190 26.53 155954 4132368 4443192 25.50 884120 7629098 48590 10:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:00 lo 1149.18 1149.18 1094.45 1094.45 0.00 0.00 0.00 0.00 10:50:00 ens3 28.48 24.31 39.52 7.00 0.00 0.00 0.00 0.00 10:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:01 lo 881.99 881.99 7490.78 7490.78 0.00 0.00 0.00 0.00 11:00:01 ens3 13.46 11.47 12.83 3.86 0.00 0.00 0.00 0.00 11:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1015.37 1015.37 4297.76 4297.76 0.00 0.00 0.00 0.00 Average: ens3 20.96 17.88 26.15 5.43 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-441574) 03/11/26 _x86_64_ (4 CPU) 10:31:11 LINUX RESTART (4 CPU) 10:40:01 CPU %user %nice %system %iowait %steal %idle 10:50:00 all 65.34 0.00 2.34 0.06 0.11 32.16 10:50:00 0 65.78 0.00 2.22 0.06 0.11 31.84 10:50:00 1 63.28 0.00 2.39 0.08 0.10 34.14 10:50:00 2 65.14 0.00 2.29 0.04 0.10 32.42 10:50:00 3 67.14 0.00 2.44 0.07 0.11 30.24 11:00:01 all 46.88 0.00 1.60 0.09 0.09 51.33 11:00:01 0 45.12 0.00 1.58 0.03 0.09 53.18 11:00:01 1 45.64 0.00 1.48 0.11 0.09 52.67 11:00:01 2 46.65 0.00 1.65 0.06 0.09 51.55 11:00:01 3 50.12 0.00 1.69 0.18 0.09 47.92 Average: all 56.09 0.00 1.97 0.08 0.10 41.77 Average: 0 55.42 0.00 1.90 0.04 0.10 42.54 Average: 1 54.44 0.00 1.94 0.10 0.10 43.43 Average: 2 55.88 0.00 1.97 0.05 0.10 42.00 Average: 3 58.61 0.00 2.06 0.12 0.10 39.10