---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-54303 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: 5599.99 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 612 8807 4 6569 15033 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:f6:4f:c4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.22/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83583sec preferred_lft 83583sec inet6 fe80::f816:3eff:fef6:4fc4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:a6:e2:52:88:09 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-54303) 03/30/26 _x86_64_ (4 CPU) 19:04:09 LINUX RESTART (4 CPU) 19:10:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:20:00 25.57 0.43 22.13 3.01 19.49 3029.91 3472.73 19:30:00 32.98 0.02 29.45 3.52 0.29 2527.13 10382.00 19:40:00 12.28 0.32 10.64 1.32 12.01 8475.07 1717.32 19:50:00 1.43 0.00 1.43 0.00 0.00 23.19 0.00 Average: 18.07 0.19 15.91 1.96 7.95 3513.82 3893.01 19:10:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:20:00 9036924 12759572 3198056 19.53 143092 3690508 3291820 18.90 720456 6195796 189996 19:30:00 8865436 12859284 3095600 18.91 169236 3911400 3101324 17.80 820848 6251372 38384 19:40:00 9048108 15398864 548636 3.35 185416 6176540 1090580 6.26 1640288 5159844 4 19:50:00 9113600 15465444 481840 2.94 185792 6177252 990432 5.69 1646024 5077572 20 Average: 9016017 14120791 1831033 11.18 170884 4988925 2118539 12.16 1206904 5671146 57101 19:10:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:20:00 lo 1513.76 1513.76 1436.71 1436.71 0.00 0.00 0.00 0.00 19:20:00 ens3 54.41 41.64 55.12 13.62 0.00 0.00 0.00 0.00 19:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:30:00 lo 1446.37 1446.37 1377.97 1377.97 0.00 0.00 0.00 0.00 19:30:00 ens3 39.80 32.06 50.08 11.61 0.00 0.00 0.00 0.00 19:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:40:00 lo 2455.62 2455.62 9289.52 9289.52 0.00 0.00 0.00 0.00 19:40:00 ens3 47.13 45.82 133.62 357.95 0.00 0.00 0.00 0.00 19:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 19:50:00 lo 11.11 11.11 2.47 2.47 0.00 0.00 0.00 0.00 19:50:00 ens3 55.39 61.64 19.18 702.20 0.00 0.00 0.00 0.00 19:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1356.71 1356.71 3026.67 3026.67 0.00 0.00 0.00 0.00 Average: ens3 49.18 45.29 64.50 271.34 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-54303) 03/30/26 _x86_64_ (4 CPU) 19:04:09 LINUX RESTART (4 CPU) 19:10:00 CPU %user %nice %system %iowait %steal %idle 19:20:00 all 69.75 0.00 2.43 0.47 0.10 27.26 19:20:00 0 70.41 0.00 2.63 0.84 0.10 26.03 19:20:00 1 67.88 0.00 2.35 0.53 0.10 29.14 19:20:00 2 70.96 0.00 2.54 0.12 0.10 26.29 19:20:00 3 69.74 0.00 2.19 0.38 0.10 27.58 19:30:00 all 64.66 0.00 2.59 0.46 0.11 32.18 19:30:00 0 64.18 0.00 2.47 0.29 0.11 32.94 19:30:00 1 64.55 0.00 2.82 0.27 0.12 32.24 19:30:00 2 64.25 0.00 2.30 1.04 0.12 32.30 19:30:00 3 65.64 0.00 2.77 0.25 0.11 31.23 19:40:00 all 34.38 0.00 1.37 0.31 0.08 63.86 19:40:00 0 37.15 0.00 1.65 0.40 0.08 60.72 19:40:00 1 36.60 0.00 1.32 0.13 0.08 61.87 19:40:00 2 30.26 0.00 1.21 0.66 0.08 67.80 19:40:00 3 33.50 0.00 1.31 0.03 0.08 65.08 19:50:00 all 4.31 0.00 0.17 0.07 0.02 95.43 19:50:00 0 2.99 0.00 0.13 0.04 0.02 96.82 19:50:00 1 5.71 0.00 0.15 0.11 0.02 94.01 19:50:00 2 5.15 0.00 0.24 0.11 0.02 94.48 19:50:00 3 3.41 0.00 0.15 0.02 0.03 96.40 Average: all 43.23 0.00 1.64 0.33 0.08 54.72 Average: 0 43.63 0.00 1.72 0.39 0.08 54.18 Average: 1 43.65 0.00 1.66 0.26 0.08 54.35 Average: 2 42.62 0.00 1.57 0.48 0.08 55.25 Average: 3 43.03 0.00 1.61 0.17 0.08 55.11