---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4246 5.15.0-164-generic #174-Ubuntu SMP Fri Nov 14 20:25:16 UTC 2025 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: 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: 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 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 730 9685 4 5573 14916 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:db:ed:d4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.159/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84047sec preferred_lft 84047sec inet6 fe80::f816:3eff:fedb:edd4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 1e:f2:60:d2:14:f4 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-4246) 01/25/26 _x86_64_ (4 CPU) 20:24:18 LINUX RESTART (4 CPU) 20:30:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:07 19.40 0.46 17.15 1.80 15.72 4599.19 1096.14 20:50:07 57.49 0.00 45.88 11.61 0.00 2683.73 6448.91 21:00:07 25.95 0.13 21.66 4.15 6.45 4600.35 3582.85 Average: 34.27 0.20 28.22 5.85 7.39 3961.80 3708.24 20:30:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:07 9333296 13289816 2664800 16.28 177140 3846080 2965600 17.02 738396 5863364 95844 20:50:07 8563560 12875628 3075196 18.78 201652 4143500 3244408 18.62 832268 6494052 117504 21:00:07 10038756 15377568 568820 3.47 232080 5085264 1101492 6.32 1199888 4579168 12 Average: 9311871 13847671 2102939 12.84 203624 4358281 2437167 13.99 923517 5645528 71120 20:30:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:07 lo 540.68 540.68 514.06 514.06 0.00 0.00 0.00 0.00 20:40:07 ens3 93.16 67.87 304.08 19.93 0.00 0.00 0.00 0.00 20:40:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:07 lo 5565.62 5565.62 5304.89 5304.89 0.00 0.00 0.00 0.00 20:50:07 ens3 80.24 57.81 27.03 20.02 0.00 0.00 0.00 0.00 20:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:07 lo 1875.94 1875.94 1771.37 1771.37 0.00 0.00 0.00 0.00 21:00:07 ens3 116.78 106.61 117.58 169.69 0.00 0.00 0.00 0.00 21:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2659.38 2659.38 2528.80 2528.80 0.00 0.00 0.00 0.00 Average: ens3 96.74 77.45 149.60 69.94 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 5.15.0-164-generic (prd-ubuntu2204-docker-4c-4g-4246) 01/25/26 _x86_64_ (4 CPU) 20:24:18 LINUX RESTART (4 CPU) 20:30:07 CPU %user %nice %system %iowait %steal %idle 20:40:07 all 68.15 0.00 2.62 0.19 0.08 28.95 20:40:07 0 69.97 0.00 2.54 0.16 0.09 27.24 20:40:07 1 68.85 0.00 2.75 0.28 0.09 28.03 20:40:07 2 66.93 0.00 2.80 0.18 0.09 30.01 20:40:07 3 66.85 0.00 2.39 0.15 0.08 30.53 20:50:07 all 59.81 0.00 4.14 0.24 0.08 35.74 20:50:07 0 59.78 0.00 4.35 0.26 0.08 35.53 20:50:07 1 59.41 0.00 3.91 0.30 0.08 36.30 20:50:07 2 59.89 0.00 4.06 0.22 0.08 35.75 20:50:07 3 60.16 0.00 4.22 0.17 0.08 35.37 21:00:07 all 44.44 0.00 2.28 0.21 0.08 52.99 21:00:07 0 40.34 0.00 2.36 0.13 0.08 57.09 21:00:07 1 42.63 0.00 2.19 0.22 0.08 54.88 21:00:07 2 44.63 0.00 2.33 0.37 0.08 52.59 21:00:07 3 50.18 0.00 2.23 0.14 0.08 47.38 Average: all 57.45 0.00 3.01 0.21 0.08 39.24 Average: 0 56.68 0.00 3.08 0.18 0.08 39.98 Average: 1 56.95 0.00 2.95 0.27 0.08 39.74 Average: 2 57.14 0.00 3.06 0.26 0.08 39.46 Average: 3 59.05 0.00 2.95 0.15 0.08 37.77