---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27721 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: 5599.99 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 67G 15% / 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 743 9484 4 5760 14902 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:c0:4b:26 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.0/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84011sec preferred_lft 84011sec inet6 fe80::f816:3eff:fec0:4b26/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:84:89:9b:49:cf 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-27721) 03/04/26 _x86_64_ (4 CPU) 12:24:52 LINUX RESTART (4 CPU) 12:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:40:03 42.98 4.98 36.91 1.09 665.51 4165.21 20098.91 12:50:03 43.95 0.16 27.27 16.52 6.33 3856.29 253764.40 13:00:03 29.11 0.04 25.58 3.48 1.55 5793.32 9770.96 Average: 38.68 1.73 29.92 7.03 224.60 4604.82 94520.66 12:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:40:03 10672176 13920076 2041080 12.47 126272 3273380 2387240 13.70 611208 4731704 163916 12:50:03 8687024 12798472 3155116 19.27 166816 4022980 3435828 19.72 899156 6352004 176788 13:00:03 7344172 12634244 3313676 20.24 191132 5113944 3435876 19.72 1146660 7384048 28576 Average: 8901124 13117597 2836624 17.32 161407 4136768 3086315 17.72 885675 6155919 123093 12:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:40:03 lo 105.76 105.76 100.47 100.47 0.00 0.00 0.00 0.00 12:40:03 ens3 114.07 81.50 1045.78 14.69 0.00 0.00 0.00 0.00 12:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:50:03 lo 1225.26 1225.26 1167.59 1167.59 0.00 0.00 0.00 0.00 12:50:03 ens3 46.88 39.30 97.22 12.94 0.00 0.00 0.00 0.00 12:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:03 lo 679.84 679.84 647.10 647.10 0.00 0.00 0.00 0.00 13:00:03 ens3 61.54 46.99 228.92 12.72 0.00 0.00 0.00 0.00 13:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 670.11 670.11 638.22 638.22 0.00 0.00 0.00 0.00 Average: ens3 74.18 55.94 457.49 13.45 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-27721) 03/04/26 _x86_64_ (4 CPU) 12:24:52 LINUX RESTART (4 CPU) 12:30:02 CPU %user %nice %system %iowait %steal %idle 12:40:03 all 18.85 0.00 0.93 0.28 0.05 79.89 12:40:03 0 18.54 0.00 0.89 0.11 0.05 80.42 12:40:03 1 20.60 0.00 0.98 0.61 0.05 77.77 12:40:03 2 18.92 0.00 1.06 0.31 0.05 79.65 12:40:03 3 17.35 0.00 0.80 0.09 0.04 81.73 12:50:03 all 64.98 0.00 2.44 0.09 0.11 32.39 12:50:03 0 61.19 0.00 2.55 0.10 0.11 36.05 12:50:03 1 67.28 0.00 2.33 0.04 0.11 30.25 12:50:03 2 67.29 0.00 2.39 0.09 0.11 30.11 12:50:03 3 64.15 0.00 2.47 0.13 0.11 33.14 13:00:03 all 60.14 0.00 2.15 0.09 0.10 37.52 13:00:03 0 60.47 0.00 1.96 0.04 0.10 37.43 13:00:03 1 62.64 0.00 2.56 0.06 0.11 34.63 13:00:03 2 59.64 0.00 2.30 0.13 0.11 37.83 13:00:03 3 57.82 0.00 1.76 0.14 0.10 40.18 Average: all 47.96 0.00 1.84 0.15 0.09 49.96 Average: 0 46.71 0.00 1.80 0.08 0.09 51.32 Average: 1 50.14 0.00 1.96 0.23 0.09 47.59 Average: 2 48.58 0.00 1.92 0.18 0.09 49.23 Average: 3 46.41 0.00 1.68 0.12 0.08 51.71