---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20395 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 12G 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 749 9552 4 5687 14897 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:b7:85:77 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.95/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84395sec preferred_lft 84395sec inet6 fe80::f816:3eff:feb7:8577/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:b1:bc:46:c9:a2 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-20395) 05/26/26 _x86_64_ (4 CPU) 14:39:51 LINUX RESTART (4 CPU) 14:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:12 56.22 11.58 42.75 1.89 1515.47 12581.86 5777.81 15:00:12 45.00 0.04 27.86 17.09 1.43 2718.45 255068.33 15:10:12 27.42 0.30 24.10 3.02 11.77 6381.24 87251.20 Average: 42.96 4.02 31.64 7.30 515.97 7261.35 115328.73 14:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:12 9632740 13307156 2649808 16.18 152048 3614412 3044916 17.48 692108 5630708 22824 15:00:12 9137276 13422988 2529640 15.45 177600 4153780 3093120 17.75 832144 5940456 186224 15:10:12 9908152 15369348 576908 3.52 199860 5238192 1103324 6.33 923820 4970096 144 Average: 9559389 14033164 1918785 11.72 176503 4335461 2413787 13.86 816024 5513753 69731 14:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:12 lo 568.31 568.31 540.47 540.47 0.00 0.00 0.00 0.00 14:50:12 ens3 148.40 117.29 1140.46 25.63 0.00 0.00 0.00 0.00 14:50:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:12 lo 1641.79 1641.79 1565.24 1565.24 0.00 0.00 0.00 0.00 15:00:12 ens3 44.67 34.68 137.87 10.48 0.00 0.00 0.00 0.00 15:00:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:12 lo 180.67 180.67 167.49 167.49 0.00 0.00 0.00 0.00 15:10:12 ens3 53.93 49.69 111.17 131.08 0.00 0.00 0.00 0.00 15:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 795.46 795.46 756.34 756.34 0.00 0.00 0.00 0.00 Average: ens3 82.75 67.54 467.49 55.54 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-20395) 05/26/26 _x86_64_ (4 CPU) 14:39:51 LINUX RESTART (4 CPU) 14:40:00 CPU %user %nice %system %iowait %steal %idle 14:50:12 all 53.12 0.00 2.21 3.01 0.14 41.52 14:50:12 0 50.94 0.00 2.01 1.32 0.13 45.60 14:50:12 1 50.36 0.00 2.27 2.79 0.13 44.45 14:50:12 2 54.95 0.00 2.41 5.78 0.15 36.71 14:50:12 3 56.23 0.00 2.16 2.18 0.12 39.31 15:00:12 all 59.05 0.00 2.64 2.25 0.15 35.92 15:00:12 0 60.50 0.00 2.95 1.60 0.14 34.81 15:00:12 1 59.46 0.00 2.57 1.26 0.14 36.58 15:00:12 2 58.12 0.00 2.39 3.65 0.16 35.68 15:00:12 3 58.11 0.00 2.64 2.50 0.15 36.59 15:10:12 all 51.53 0.00 1.80 0.57 0.14 45.96 15:10:12 0 52.85 0.00 1.86 0.67 0.14 44.48 15:10:12 1 48.43 0.00 1.50 0.52 0.14 49.41 15:10:12 2 52.58 0.00 2.08 0.41 0.13 44.80 15:10:12 3 52.27 0.00 1.77 0.67 0.14 45.16 Average: all 54.55 0.00 2.22 1.95 0.14 41.14 Average: 0 54.73 0.00 2.27 1.20 0.14 41.66 Average: 1 52.72 0.00 2.11 1.53 0.14 43.50 Average: 2 55.21 0.00 2.30 3.29 0.15 39.06 Average: 3 55.54 0.00 2.19 1.79 0.14 40.35