---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-1232 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: 5599.94 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 13G 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 670 8770 4 6547 14975 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:ec:58:57 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.93/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84230sec preferred_lft 84230sec inet6 fe80::f816:3eff:feec:5857/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3a:ff:c9:e1:04:b9 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-1232) 04/08/26 _x86_64_ (4 CPU) 10:06:50 LINUX RESTART (4 CPU) 10:10:06 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:07 27.54 0.54 23.81 3.19 25.41 3151.32 7204.15 10:30:07 31.97 0.01 28.60 3.36 0.24 2559.32 9936.87 10:40:06 13.24 0.32 11.65 1.27 12.45 8447.51 2143.92 Average: 24.26 0.29 21.36 2.61 12.71 4715.31 6432.06 10:10:06 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:07 9489596 13049740 2908540 17.76 140544 3538856 2946536 16.91 693812 5790668 39440 10:30:07 8779896 12847340 3107744 18.98 159868 3995124 3075136 17.65 820532 6352424 109404 10:40:06 9033816 15378056 569564 3.48 177932 6178936 1103348 6.33 1634620 5179380 212 Average: 9101103 13758379 2195283 13.41 159448 4570972 2375007 13.63 1049655 5774157 49685 10:10:06 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:07 lo 1413.95 1413.95 1340.49 1340.49 0.00 0.00 0.00 0.00 10:20:07 ens3 53.55 44.02 58.25 15.07 0.00 0.00 0.00 0.00 10:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:07 lo 1428.71 1428.71 1361.03 1361.03 0.00 0.00 0.00 0.00 10:30:07 ens3 42.10 33.80 50.80 12.17 0.00 0.00 0.00 0.00 10:30:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:06 lo 2453.61 2453.61 9311.01 9311.01 0.00 0.00 0.00 0.00 10:40:06 ens3 48.05 48.13 134.93 375.65 0.00 0.00 0.00 0.00 10:40:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1764.61 1764.61 3997.99 3997.99 0.00 0.00 0.00 0.00 Average: ens3 47.91 41.98 81.26 134.02 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-1232) 04/08/26 _x86_64_ (4 CPU) 10:06:50 LINUX RESTART (4 CPU) 10:10:06 CPU %user %nice %system %iowait %steal %idle 10:20:07 all 69.55 0.00 2.49 0.16 0.11 27.69 10:20:07 0 70.04 0.00 2.40 0.29 0.12 27.15 10:20:07 1 69.03 0.00 2.72 0.09 0.12 28.05 10:20:07 2 69.05 0.00 2.42 0.19 0.11 28.23 10:20:07 3 70.08 0.00 2.42 0.07 0.11 27.33 10:30:07 all 63.31 0.00 2.49 0.66 0.11 33.43 10:30:07 0 64.56 0.00 2.60 0.90 0.11 31.83 10:30:07 1 62.84 0.00 2.43 0.42 0.11 34.21 10:30:07 2 63.86 0.00 2.55 0.37 0.11 33.11 10:30:07 3 62.00 0.00 2.37 0.95 0.11 34.58 10:40:06 all 35.29 0.00 1.34 2.00 0.08 61.29 10:40:06 0 45.30 0.00 1.21 1.86 0.09 51.55 10:40:06 1 25.92 0.00 1.39 2.45 0.08 70.16 10:40:06 2 40.96 0.00 1.13 2.13 0.09 55.69 10:40:06 3 28.98 0.00 1.62 1.56 0.08 67.76 Average: all 56.06 0.00 2.10 0.94 0.10 40.79 Average: 0 59.98 0.00 2.07 1.02 0.10 36.83 Average: 1 52.60 0.00 2.18 0.98 0.10 44.14 Average: 2 57.97 0.00 2.04 0.89 0.10 39.00 Average: 3 53.71 0.00 2.14 0.86 0.10 43.20