---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26109 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 750 9323 4 5915 14896 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:19:f3:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.122/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83999sec preferred_lft 83999sec inet6 fe80::f816:3eff:fe19:f388/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:33:ac:e9:9c:04 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-26109) 03/03/26 _x86_64_ (4 CPU) 20:23:27 LINUX RESTART (4 CPU) 20:30:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:01 24.01 0.46 21.47 2.08 14.33 4718.50 1118.47 20:50:11 63.28 0.00 47.80 15.49 0.00 2751.41 8957.16 21:00:03 27.29 0.12 23.01 4.16 6.55 4589.09 4559.16 Average: 38.46 0.19 30.94 7.33 6.88 4006.12 4923.58 20:30:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:01 9045444 13351908 2600488 15.88 183552 4179036 2951256 16.94 898736 5976060 93020 20:50:11 8568000 13134028 2814820 17.19 210468 4382464 2959124 16.99 990212 6307460 19968 21:00:03 9667036 15358236 586456 3.58 240516 5418384 1121592 6.44 1363340 4770924 164 Average: 9093493 13948057 2000588 12.22 211512 4659961 2343991 13.45 1084096 5684815 37717 20:30:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:01 lo 507.93 507.93 483.19 483.19 0.00 0.00 0.00 0.00 20:40:01 ens3 89.09 67.51 308.69 19.70 0.00 0.00 0.00 0.00 20:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:11 lo 5473.64 5473.64 5219.50 5219.50 0.00 0.00 0.00 0.00 20:50:11 ens3 89.31 64.87 28.15 21.07 0.00 0.00 0.00 0.00 20:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:03 lo 1744.08 1744.08 1649.73 1649.73 0.00 0.00 0.00 0.00 21:00:03 ens3 99.84 96.16 115.53 162.72 0.00 0.00 0.00 0.00 21:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2606.73 2606.73 2480.90 2480.90 0.00 0.00 0.00 0.00 Average: ens3 92.72 76.08 149.38 67.41 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-26109) 03/03/26 _x86_64_ (4 CPU) 20:23:27 LINUX RESTART (4 CPU) 20:30:11 CPU %user %nice %system %iowait %steal %idle 20:40:01 all 68.94 0.00 2.51 0.04 0.09 28.42 20:40:01 0 69.21 0.00 2.32 0.04 0.09 28.35 20:40:01 1 69.15 0.00 2.37 0.03 0.09 28.37 20:40:01 2 70.07 0.00 2.73 0.05 0.09 27.06 20:40:01 3 67.32 0.00 2.64 0.04 0.09 29.91 20:50:11 all 60.60 0.00 4.11 0.11 0.09 35.09 20:50:11 0 61.88 0.00 4.28 0.08 0.09 33.66 20:50:11 1 59.67 0.00 4.02 0.18 0.09 36.04 20:50:11 2 60.06 0.00 3.99 0.07 0.09 35.79 20:50:11 3 60.79 0.00 4.15 0.12 0.09 34.86 21:00:03 all 41.73 0.00 2.17 0.12 0.07 55.91 21:00:03 0 37.91 0.00 2.24 0.10 0.07 59.68 21:00:03 1 44.57 0.00 2.25 0.11 0.07 53.00 21:00:03 2 40.14 0.00 2.00 0.19 0.07 57.59 21:00:03 3 44.32 0.00 2.17 0.09 0.07 53.35 Average: all 57.11 0.00 2.94 0.09 0.08 39.78 Average: 0 56.36 0.00 2.96 0.07 0.08 40.53 Average: 1 57.80 0.00 2.89 0.10 0.08 39.12 Average: 2 56.77 0.00 2.92 0.11 0.08 40.12 Average: 3 57.49 0.00 3.00 0.08 0.08 39.35