---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-13202 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: 5600.00 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 641 10561 4 4786 15005 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:98:97:22 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.67/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84789sec preferred_lft 84789sec inet6 fe80::f816:3eff:fe98:9722/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:e4:63:68:76:d8 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-13202) 03/23/26 _x86_64_ (4 CPU) 07:54:17 LINUX RESTART (4 CPU) 08:00:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:10:17 3.76 0.07 3.52 0.17 7.04 619.81 33.94 08:20:10 20.13 0.53 17.98 1.62 19.29 2564.09 15897.40 Average: 11.86 0.30 10.68 0.89 13.11 1582.67 7889.94 08:00:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:10:17 9637636 12644132 3319280 20.27 113456 3055288 3535432 20.29 500044 5898780 1020 08:20:10 10917596 15449444 507840 3.10 134612 4499292 990572 5.69 868628 4156924 1067192 Average: 10277616 14046788 1913560 11.69 124034 3777290 2263002 12.99 684336 5027852 534106 08:00:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:10:17 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 08:10:17 ens3 8.33 7.07 35.71 2.04 0.00 0.00 0.00 0.00 08:10:17 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:10 lo 509.88 509.88 485.55 485.55 0.00 0.00 0.00 0.00 08:20:10 ens3 47.35 34.40 487.54 5.21 0.00 0.00 0.00 0.00 08:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 252.81 252.81 240.65 240.65 0.00 0.00 0.00 0.00 Average: ens3 27.65 20.61 259.46 3.61 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-13202) 03/23/26 _x86_64_ (4 CPU) 07:54:17 LINUX RESTART (4 CPU) 08:00:12 CPU %user %nice %system %iowait %steal %idle 08:10:17 all 49.18 0.00 0.72 0.04 0.10 49.96 08:10:17 0 54.72 0.00 0.81 0.01 0.10 44.36 08:10:17 1 44.23 0.00 0.67 0.07 0.10 54.94 08:10:17 2 51.45 0.00 0.73 0.02 0.10 47.70 08:10:17 3 46.31 0.00 0.69 0.04 0.10 52.86 08:20:10 all 52.12 0.00 1.40 0.14 0.10 46.24 08:20:10 0 53.11 0.00 1.18 0.07 0.10 45.55 08:20:10 1 49.00 0.00 1.47 0.15 0.09 49.28 08:20:10 2 43.43 0.00 1.47 0.12 0.09 54.88 08:20:10 3 62.95 0.00 1.49 0.22 0.10 35.24 Average: all 50.64 0.00 1.06 0.09 0.10 48.12 Average: 0 53.92 0.00 0.99 0.04 0.10 44.95 Average: 1 46.59 0.00 1.06 0.11 0.09 52.14 Average: 2 47.48 0.00 1.10 0.07 0.10 51.25 Average: 3 54.55 0.00 1.09 0.13 0.10 44.13