---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36396 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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: 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 13G 65G 17% / 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 635 8324 4 7029 15010 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:be:3b:fa brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.240/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83701sec preferred_lft 83701sec inet6 fe80::f816:3eff:febe:3bfa/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:91:74:ab:9b:4f 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-36396) 07/16/26 _x86_64_ (4 CPU) 11:21:49 LINUX RESTART (4 CPU) 11:30:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:40:11 19.44 0.03 17.20 2.21 0.89 1984.81 7003.49 11:50:11 35.03 0.02 31.34 3.67 0.25 2764.92 19240.07 12:00:00 4.20 0.02 4.00 0.19 0.30 2640.23 1699.82 Average: 19.65 0.02 17.60 2.03 0.48 2462.21 9362.09 11:30:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:40:11 9234632 12983024 2973908 18.16 146616 3704620 3229052 18.53 723576 6011272 23036 11:50:11 8795624 13067620 2886768 17.63 170636 4176264 2912356 16.72 845276 6293952 149968 12:00:00 8061272 12837000 3115336 19.03 171436 4661540 3282704 18.84 1029760 6805536 5840 Average: 8697176 12962548 2992004 18.27 162896 4180808 3141371 18.03 866204 6370253 59615 11:30:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:40:11 lo 983.12 983.12 930.61 930.61 0.00 0.00 0.00 0.00 11:40:11 ens3 32.82 27.21 21.51 9.74 0.00 0.00 0.00 0.00 11:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:11 lo 1398.51 1398.51 1332.62 1332.62 0.00 0.00 0.00 0.00 11:50:11 ens3 40.24 30.63 25.08 11.55 0.00 0.00 0.00 0.00 11:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:00 lo 2599.66 2599.66 9472.24 9472.24 0.00 0.00 0.00 0.00 12:00:00 ens3 3.92 3.24 1.94 1.17 0.00 0.00 0.00 0.00 12:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1654.55 1654.55 3877.04 3877.04 0.00 0.00 0.00 0.00 Average: ens3 25.80 20.47 16.27 7.53 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-36396) 07/16/26 _x86_64_ (4 CPU) 11:21:49 LINUX RESTART (4 CPU) 11:30:11 CPU %user %nice %system %iowait %steal %idle 11:40:11 all 65.07 0.00 2.22 0.64 0.24 31.83 11:40:11 0 65.41 0.00 2.12 0.90 0.23 31.35 11:40:11 1 65.34 0.00 2.38 0.41 0.25 31.63 11:40:11 2 65.18 0.00 2.22 0.37 0.22 32.00 11:40:11 3 64.37 0.00 2.14 0.89 0.24 32.36 11:50:11 all 62.82 0.00 2.70 1.56 0.16 32.77 11:50:11 0 62.24 0.00 2.68 2.43 0.16 32.49 11:50:11 1 63.57 0.00 3.05 0.45 0.16 32.75 11:50:11 2 61.97 0.00 2.49 2.50 0.15 32.89 11:50:11 3 63.49 0.00 2.56 0.85 0.16 32.94 12:00:00 all 30.31 0.00 1.27 0.23 0.09 68.10 12:00:00 0 31.44 0.00 1.32 0.15 0.09 67.00 12:00:00 1 31.58 0.00 1.36 0.30 0.09 66.68 12:00:00 2 28.14 0.00 0.98 0.43 0.09 70.36 12:00:00 3 30.09 0.00 1.45 0.02 0.10 68.34 Average: all 52.85 0.00 2.07 0.81 0.16 44.11 Average: 0 53.15 0.00 2.04 1.17 0.16 43.48 Average: 1 53.62 0.00 2.27 0.39 0.17 43.56 Average: 2 51.87 0.00 1.90 1.10 0.15 44.97 Average: 3 52.77 0.00 2.05 0.59 0.17 44.42