---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-2349 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 610 10567 4 4811 15036 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:0b:58:9c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.233/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84794sec preferred_lft 84794sec inet6 fe80::f816:3eff:fe0b:589c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e6:82:1b:b8:b8:a1 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-2349) 04/13/26 _x86_64_ (4 CPU) 00:27:50 LINUX RESTART (4 CPU) 00:30:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:40:10 9.07 2.06 6.80 0.21 130.14 2172.00 184.61 00:50:09 6.85 0.52 6.00 0.33 18.89 812.45 151.32 Average: 7.97 1.29 6.40 0.27 75.00 1498.10 168.11 00:30:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:40:10 9246072 12232224 3730780 22.79 112788 3038324 3902676 22.40 498912 6277784 7480 00:50:09 10211272 13618796 2340836 14.30 130896 3412376 2479484 14.23 562832 5189216 232760 Average: 9728672 12925510 3035808 18.54 121842 3225350 3191080 18.32 530872 5733500 120120 00:30:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:40:10 lo 0.65 0.65 0.38 0.38 0.00 0.00 0.00 0.00 00:40:10 ens3 51.33 40.25 535.45 6.42 0.00 0.00 0.00 0.00 00:40:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:50:09 lo 97.08 97.08 92.08 92.08 0.00 0.00 0.00 0.00 00:50:09 ens3 36.80 24.54 409.60 4.04 0.00 0.00 0.00 0.00 00:50:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 48.45 48.45 45.83 45.83 0.00 0.00 0.00 0.00 Average: ens3 44.13 32.46 473.07 5.24 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-2349) 04/13/26 _x86_64_ (4 CPU) 00:27:50 LINUX RESTART (4 CPU) 00:30:00 CPU %user %nice %system %iowait %steal %idle 00:40:10 all 51.54 0.00 0.86 0.04 0.08 47.47 00:40:10 0 52.35 0.00 0.78 0.03 0.08 46.76 00:40:10 1 48.30 0.00 1.05 0.09 0.09 50.47 00:40:10 2 54.88 0.00 0.93 0.04 0.08 44.07 00:40:10 3 50.63 0.00 0.70 0.02 0.08 48.58 00:50:09 all 48.30 0.00 0.74 0.02 0.08 50.86 00:50:09 0 33.71 0.00 0.63 0.03 0.08 65.55 00:50:09 1 43.21 0.00 0.80 0.02 0.08 55.90 00:50:09 2 49.36 0.00 0.80 0.02 0.08 49.74 00:50:09 3 66.89 0.00 0.74 0.02 0.08 32.27 Average: all 49.93 0.00 0.80 0.03 0.08 49.15 Average: 0 43.11 0.00 0.71 0.03 0.08 56.08 Average: 1 45.77 0.00 0.93 0.05 0.08 53.17 Average: 2 52.14 0.00 0.87 0.03 0.08 46.88 Average: 3 58.69 0.00 0.72 0.02 0.08 40.49