---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53232 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 13G 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 659 8540 4 6789 14987 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:1b:e8:7e brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.159/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83789sec preferred_lft 83789sec inet6 fe80::f816:3eff:fe1b:e87e/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether be:2a:0a:49:a9:ba 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-53232) 03/26/26 _x86_64_ (4 CPU) 19:01:28 LINUX RESTART (4 CPU) 19:10:15 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:18 44.64 2.95 25.62 16.07 160.33 3973.12 243389.24 19:30:01 26.26 0.01 23.63 2.61 0.18 2264.38 5216.94 19:40:18 22.11 0.31 19.38 2.43 11.42 9160.24 40055.90 Average: 30.99 1.10 22.84 7.05 57.62 5195.17 96849.28 19:10:15 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:18 9903292 13568228 2389168 14.59 144016 3645840 2530072 14.52 809356 5272036 16496 19:30:01 8353676 12642980 3310764 20.22 162748 4208144 3374896 19.37 950980 6636204 234284 19:40:18 8775092 15366764 579184 3.54 189460 6408576 1114164 6.40 1781340 5290432 71072 Average: 9010687 13859324 2093039 12.78 165408 4754187 2339711 13.43 1180559 5732891 107284 19:10:15 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:18 lo 1507.46 1507.46 1430.83 1430.83 0.00 0.00 0.00 0.00 19:20:18 ens3 110.31 89.70 930.14 20.34 0.00 0.00 0.00 0.00 19:20:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:01 lo 1145.13 1145.13 1090.61 1090.61 0.00 0.00 0.00 0.00 19:30:01 ens3 30.95 26.16 46.70 10.15 0.00 0.00 0.00 0.00 19:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:18 lo 699.80 699.80 7098.24 7098.24 0.00 0.00 0.00 0.00 19:40:18 ens3 41.46 36.16 160.52 26.21 0.00 0.00 0.00 0.00 19:40:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1114.06 1114.06 3259.53 3259.53 0.00 0.00 0.00 0.00 Average: ens3 61.11 50.85 381.32 19.05 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-53232) 03/26/26 _x86_64_ (4 CPU) 19:01:28 LINUX RESTART (4 CPU) 19:10:15 CPU %user %nice %system %iowait %steal %idle 19:20:18 all 63.05 0.00 2.71 0.12 0.10 34.03 19:20:18 0 64.22 0.00 2.69 0.10 0.10 32.89 19:20:18 1 61.97 0.00 2.99 0.11 0.10 34.84 19:20:18 2 61.92 0.00 2.34 0.09 0.09 35.55 19:20:18 3 64.09 0.00 2.82 0.17 0.09 32.82 19:30:01 all 67.20 0.00 2.35 0.06 0.08 30.30 19:30:01 0 68.15 0.00 2.16 0.05 0.08 29.56 19:30:01 1 65.88 0.00 2.46 0.07 0.08 31.50 19:30:01 2 66.77 0.00 2.28 0.05 0.09 30.81 19:30:01 3 68.01 0.00 2.51 0.09 0.08 29.31 19:40:18 all 43.88 0.00 1.75 0.21 0.08 54.08 19:40:18 0 42.20 0.00 1.81 0.16 0.08 55.76 19:40:18 1 43.17 0.00 1.93 0.25 0.08 54.58 19:40:18 2 49.07 0.00 1.73 0.38 0.07 48.74 19:40:18 3 41.07 0.00 1.53 0.05 0.08 57.26 Average: all 57.83 0.00 2.27 0.13 0.09 39.69 Average: 0 57.95 0.00 2.22 0.10 0.09 39.65 Average: 1 56.79 0.00 2.45 0.14 0.09 40.53 Average: 2 59.09 0.00 2.11 0.18 0.08 38.54 Average: 3 57.49 0.00 2.28 0.11 0.09 40.03