---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-1437 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 12G 144G 8% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 693 26752 4 4646 30931 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:a3:cb:a8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.107.89/23 metric 100 brd 10.30.107.255 scope global dynamic ens3 valid_lft 84784sec preferred_lft 84784sec inet6 fe80::f816:3eff:fea3:cba8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 06:22:29:ee:2e:94 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-8c-8g-1437) 03/12/26 _x86_64_ (8 CPU) 12:58:26 LINUX RESTART (8 CPU) 13:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:10:10 36.00 4.01 30.44 1.55 249.49 3897.63 3325.07 13:20:07 13.33 0.65 11.95 0.73 14.91 3303.26 199.16 Average: 24.77 2.34 21.28 1.15 133.25 3603.10 1776.07 13:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:10:10 24857576 28876928 3429708 10.44 162880 4070624 3555232 10.48 591832 6930092 714556 13:20:07 22561480 26828144 5472140 16.65 171620 4282908 8375540 24.70 672148 9123612 128 Average: 23709528 27852536 4450924 13.54 167250 4176766 5965386 17.59 631990 8026852 357342 13:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:10:10 lo 0.93 0.93 0.11 0.11 0.00 0.00 0.00 0.00 13:10:10 ens3 385.56 204.50 809.19 85.85 0.00 0.00 0.00 0.00 13:10:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:20:07 lo 7.09 7.09 1.91 1.91 0.00 0.00 0.00 0.00 13:20:07 ens3 32.70 23.52 111.05 8.52 0.00 0.00 0.00 0.00 13:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 3.98 3.98 1.00 1.00 0.00 0.00 0.00 0.00 Average: ens3 210.70 114.82 463.24 47.53 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-8c-8g-1437) 03/12/26 _x86_64_ (8 CPU) 12:58:26 LINUX RESTART (8 CPU) 13:00:01 CPU %user %nice %system %iowait %steal %idle 13:10:10 all 48.98 0.00 1.93 0.20 0.11 48.79 13:10:10 0 56.50 0.00 2.00 0.26 0.11 41.12 13:10:10 1 49.46 0.00 2.17 0.11 0.11 48.16 13:10:10 2 48.68 0.00 2.10 0.19 0.11 48.93 13:10:10 3 48.21 0.00 1.82 0.09 0.10 49.78 13:10:10 4 45.97 0.00 1.97 0.13 0.11 51.82 13:10:10 5 46.24 0.00 1.91 0.53 0.10 51.22 13:10:10 6 47.15 0.00 1.74 0.20 0.10 50.81 13:10:10 7 49.60 0.00 1.71 0.11 0.10 48.47 13:20:07 all 78.78 0.00 2.31 0.30 0.15 18.47 13:20:07 0 77.52 0.00 2.25 0.43 0.13 19.68 13:20:07 1 79.83 0.00 2.07 0.21 0.16 17.74 13:20:07 2 79.08 0.00 2.28 0.06 0.13 18.46 13:20:07 3 79.11 0.00 2.39 0.51 0.14 17.84 13:20:07 4 80.61 0.00 2.33 0.03 0.14 16.90 13:20:07 5 79.77 0.00 2.40 0.27 0.16 17.40 13:20:07 6 77.14 0.00 2.48 0.35 0.17 19.86 13:20:07 7 77.19 0.00 2.29 0.52 0.14 19.86 Average: all 63.72 0.00 2.12 0.25 0.13 33.79 Average: 0 66.91 0.00 2.12 0.34 0.12 30.51 Average: 1 64.48 0.00 2.12 0.15 0.13 33.11 Average: 2 63.74 0.00 2.19 0.12 0.12 33.83 Average: 3 63.50 0.00 2.10 0.30 0.12 33.98 Average: 4 63.11 0.00 2.15 0.08 0.12 34.54 Average: 5 62.80 0.00 2.15 0.40 0.13 34.51 Average: 6 61.94 0.00 2.10 0.28 0.13 35.54 Average: 7 63.25 0.00 2.00 0.31 0.12 34.32