---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-38633 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 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 670 10425 4 4893 14976 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:ce:84:74 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.60/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84259sec preferred_lft 84259sec inet6 fe80::f816:3eff:fece:8474/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:5b:7c:26:13:b0 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-38633) 07/25/26 _x86_64_ (4 CPU) 14:38:29 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:02 9.27 1.45 7.56 0.26 52.68 1666.50 415.04 15:00:01 12.39 1.54 9.88 0.97 117.01 2927.45 2299.64 15:10:01 29.74 0.91 24.72 4.11 33.19 4621.13 4626.43 Average: 17.13 1.30 14.05 1.78 67.59 3070.89 2445.84 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:02 12187700 14957200 1007968 6.16 111172 2831512 1494652 8.58 389300 3445324 252484 15:00:01 10155020 13611960 2347144 14.34 139648 3430596 2745372 15.76 586916 5240780 38240 15:10:01 10730276 15380716 570276 3.48 172396 4502408 1103876 6.34 907288 4219648 832 Average: 11024332 14649959 1308463 7.99 141072 3588172 1781300 10.22 627835 4301917 97185 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:02 lo 0.25 0.25 0.02 0.02 0.00 0.00 0.00 0.00 14:50:02 ens3 52.31 42.90 594.09 7.18 0.00 0.00 0.00 0.00 14:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:01 lo 1.28 1.28 0.13 0.13 0.00 0.00 0.00 0.00 15:00:01 ens3 70.93 53.96 220.78 16.09 0.00 0.00 0.00 0.00 15:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 1599.46 1599.46 1522.12 1522.12 0.00 0.00 0.00 0.00 15:10:01 ens3 98.71 75.95 436.81 72.08 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 533.68 533.68 507.44 507.44 0.00 0.00 0.00 0.00 Average: ens3 73.97 57.60 417.47 31.78 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-38633) 07/25/26 _x86_64_ (4 CPU) 14:38:29 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:02 all 3.58 0.00 0.29 0.06 0.03 96.04 14:50:02 0 3.48 0.00 0.17 0.12 0.02 96.20 14:50:02 1 2.72 0.00 0.29 0.02 0.02 96.95 14:50:02 2 5.27 0.00 0.49 0.10 0.04 94.10 14:50:02 3 2.83 0.00 0.20 0.01 0.03 96.93 15:00:01 all 64.86 0.00 2.09 0.04 0.08 32.93 15:00:01 0 65.33 0.00 2.23 0.04 0.08 32.32 15:00:01 1 65.34 0.00 2.16 0.03 0.08 32.39 15:00:01 2 64.38 0.00 1.96 0.04 0.08 33.55 15:00:01 3 64.39 0.00 2.01 0.06 0.08 33.46 15:10:01 all 63.03 0.00 2.79 0.09 0.09 34.00 15:10:01 0 63.73 0.00 2.81 0.05 0.08 33.33 15:10:01 1 61.81 0.00 2.75 0.09 0.09 35.26 15:10:01 2 64.77 0.00 2.73 0.12 0.09 32.29 15:10:01 3 61.81 0.00 2.89 0.08 0.08 35.14 Average: all 43.73 0.00 1.72 0.06 0.06 54.42 Average: 0 44.10 0.00 1.74 0.07 0.06 54.03 Average: 1 43.20 0.00 1.73 0.05 0.06 54.96 Average: 2 44.71 0.00 1.72 0.09 0.07 53.42 Average: 3 42.90 0.00 1.69 0.05 0.06 55.29