---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-64855 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 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 650 8826 4 6512 14996 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:22:09:a1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.97/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84233sec preferred_lft 84233sec inet6 fe80::f816:3eff:fe22:9a1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:7e:8d:b1:18:00 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-64855) 03/31/26 _x86_64_ (4 CPU) 12:46:12 LINUX RESTART (4 CPU) 12:50:21 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:00:22 21.63 0.08 18.92 2.63 7.00 2056.51 9088.72 13:10:01 29.75 0.02 26.77 2.96 0.26 2645.16 13919.64 13:20:19 11.14 0.04 10.53 0.57 0.76 6900.27 4777.76 Average: 20.64 0.05 18.56 2.03 2.69 3911.46 9161.80 12:50:21 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:00:22 9648876 13172588 2786216 17.02 138232 3507368 3048124 17.50 680220 5661432 35404 13:10:01 8488804 12575992 3379464 20.64 158668 4014644 3307312 18.98 815020 6647744 227396 13:20:19 7025420 13030788 2918068 17.82 173260 5856696 2835672 16.28 1489316 7359540 167524 Average: 8387700 12926456 3027916 18.49 156720 4459569 3063703 17.59 994852 6556239 143441 12:50:21 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:00:22 lo 1377.32 1377.32 1306.20 1306.20 0.00 0.00 0.00 0.00 13:00:22 ens3 33.12 27.98 46.82 8.49 0.00 0.00 0.00 0.00 13:00:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:10:01 lo 1454.51 1454.51 1386.04 1386.04 0.00 0.00 0.00 0.00 13:10:01 ens3 24.13 20.74 40.96 5.87 0.00 0.00 0.00 0.00 13:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:19 lo 2453.78 2453.78 9110.73 9110.73 0.00 0.00 0.00 0.00 13:20:19 ens3 23.40 20.90 95.75 5.58 0.00 0.00 0.00 0.00 13:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1772.29 1772.29 4015.35 4015.35 0.00 0.00 0.00 0.00 Average: ens3 26.88 23.21 61.76 6.65 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-64855) 03/31/26 _x86_64_ (4 CPU) 12:46:12 LINUX RESTART (4 CPU) 12:50:21 CPU %user %nice %system %iowait %steal %idle 13:00:22 all 69.47 0.00 2.40 0.38 0.15 27.60 13:00:22 0 66.41 0.00 2.17 0.73 0.15 30.53 13:00:22 1 70.80 0.00 2.38 0.22 0.15 26.45 13:00:22 2 71.61 0.00 2.60 0.39 0.15 25.26 13:00:22 3 69.05 0.00 2.46 0.18 0.15 28.15 13:10:01 all 62.44 0.00 2.55 2.46 0.37 32.17 13:10:01 0 59.49 0.00 2.48 1.61 0.37 36.05 13:10:01 1 62.19 0.00 2.49 3.64 0.30 31.38 13:10:01 2 63.72 0.00 2.51 4.44 0.43 28.91 13:10:01 3 64.38 0.00 2.75 0.16 0.37 32.35 13:20:19 all 39.11 0.00 1.71 3.14 0.24 55.81 13:20:19 0 31.51 0.00 2.19 2.92 0.23 63.15 13:20:19 1 47.24 0.00 1.73 5.14 0.25 45.65 13:20:19 2 43.46 0.00 1.51 1.55 0.23 53.25 13:20:19 3 34.28 0.00 1.39 2.94 0.24 61.15 Average: all 56.77 0.00 2.21 2.00 0.25 38.77 Average: 0 52.17 0.00 2.28 1.77 0.25 43.54 Average: 1 59.93 0.00 2.19 3.01 0.23 34.64 Average: 2 59.40 0.00 2.20 2.09 0.27 36.04 Average: 3 55.58 0.00 2.18 1.12 0.25 40.86