---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-458596 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 11G 67G 14% / 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 618 10273 4 5096 15028 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:69:04:df brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.91/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84309sec preferred_lft 84309sec inet6 fe80::f816:3eff:fe69:4df/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fe:58:2f:32:58:62 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-458596) 03/13/26 _x86_64_ (4 CPU) 06:18:00 LINUX RESTART (4 CPU) 06:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 06:30:01 33.95 3.01 27.75 3.19 553.08 5318.38 10310.71 06:40:12 31.55 0.02 28.32 3.21 0.29 2532.11 35160.97 06:50:01 4.12 0.03 3.96 0.13 0.68 2913.97 2580.90 Average: 23.37 1.02 20.16 2.19 184.42 3584.56 16222.82 06:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 06:30:01 8831236 12527660 3430880 20.95 135584 3685456 3461660 19.87 807232 6341676 2856 06:40:12 8254364 12422532 3532024 21.57 161828 4095776 3534924 20.29 940620 6736652 43080 06:50:01 5060948 9957440 5994908 36.61 162616 4800456 5710752 32.78 1150336 9680552 296 Average: 7382183 11635877 4319271 26.38 153343 4193896 4235779 24.31 966063 7586293 15411 06:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 06:30:01 lo 1477.07 1477.07 1401.80 1401.80 0.00 0.00 0.00 0.00 06:30:01 ens3 90.46 71.07 796.65 12.54 0.00 0.00 0.00 0.00 06:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:40:12 lo 1555.98 1555.98 1482.83 1482.83 0.00 0.00 0.00 0.00 06:40:12 ens3 24.06 21.54 44.44 6.44 0.00 0.00 0.00 0.00 06:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:50:01 lo 648.85 648.85 7455.85 7455.85 0.00 0.00 0.00 0.00 06:50:01 ens3 5.03 3.90 2.13 1.56 0.00 0.00 0.00 0.00 06:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1232.72 1232.72 3411.41 3411.41 0.00 0.00 0.00 0.00 Average: ens3 39.93 32.25 280.97 6.87 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-458596) 03/13/26 _x86_64_ (4 CPU) 06:18:00 LINUX RESTART (4 CPU) 06:20:02 CPU %user %nice %system %iowait %steal %idle 06:30:01 all 69.70 0.00 2.63 0.20 0.11 27.35 06:30:01 0 69.58 0.00 2.75 0.08 0.11 27.49 06:30:01 1 69.23 0.00 2.48 0.33 0.11 27.85 06:30:01 2 69.52 0.00 2.50 0.15 0.11 27.73 06:30:01 3 70.47 0.00 2.80 0.26 0.11 26.35 06:40:12 all 63.92 0.00 2.55 0.15 0.10 33.28 06:40:12 0 62.19 0.00 2.41 0.10 0.10 35.20 06:40:12 1 64.76 0.00 2.73 0.33 0.10 32.09 06:40:12 2 63.82 0.00 2.25 0.07 0.10 33.76 06:40:12 3 64.91 0.00 2.81 0.09 0.10 32.09 06:50:01 all 26.59 0.00 0.70 0.04 0.07 72.61 06:50:01 0 28.38 0.00 0.54 0.03 0.06 71.00 06:50:01 1 28.90 0.00 0.53 0.10 0.07 70.40 06:50:01 2 26.89 0.00 0.80 0.02 0.07 72.23 06:50:01 3 22.18 0.00 0.93 0.03 0.07 76.80 Average: all 53.58 0.00 1.97 0.13 0.09 44.22 Average: 0 53.55 0.00 1.91 0.07 0.09 44.38 Average: 1 54.46 0.00 1.93 0.25 0.09 43.27 Average: 2 53.60 0.00 1.86 0.08 0.09 44.37 Average: 3 52.73 0.00 2.19 0.13 0.09 44.86