---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-54216 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 11G 68G 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 621 10580 4 4787 15025 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:72:e1:64 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.207/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84227sec preferred_lft 84227sec inet6 fe80::f816:3eff:fe72:e164/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 12:1c:b3:ab:e5:86 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-54216) 03/30/26 _x86_64_ (4 CPU) 09:34:39 LINUX RESTART (4 CPU) 09:40:12 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:50:27 14.17 1.98 11.27 0.93 127.29 2935.94 203.34 10:00:21 36.87 1.08 31.46 4.33 35.47 4694.53 3856.46 10:10:14 17.09 0.03 2.38 14.68 2.88 115.93 237387.70 Average: 22.61 1.04 14.99 6.58 56.09 2585.89 79533.44 09:40:12 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:50:27 10382308 13702712 2256948 13.78 138720 3302124 2560512 14.70 579340 5017264 39092 10:00:21 10836028 15373160 578556 3.53 182388 4386416 1085812 6.23 909660 4127612 17268 10:10:14 10887388 15432656 518756 3.17 183856 4392168 1034516 5.94 919156 4083936 11496 Average: 10701908 14836176 1118087 6.83 168321 4026903 1560280 8.96 802719 4409604 22619 09:40:12 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:50:27 lo 1.25 1.25 0.13 0.13 0.00 0.00 0.00 0.00 09:50:27 ens3 85.61 71.99 565.79 20.25 0.00 0.00 0.00 0.00 09:50:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:21 lo 1625.07 1625.07 1548.84 1548.84 0.00 0.00 0.00 0.00 10:00:21 ens3 68.55 53.37 422.97 19.30 0.00 0.00 0.00 0.00 10:00:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:14 lo 15.43 15.43 3.80 3.80 0.00 0.00 0.00 0.00 10:10:14 ens3 44.81 51.63 19.36 156.17 0.00 0.00 0.00 0.00 10:10:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 540.42 540.42 511.11 511.11 0.00 0.00 0.00 0.00 Average: ens3 66.56 59.16 338.79 64.71 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-54216) 03/30/26 _x86_64_ (4 CPU) 09:34:39 LINUX RESTART (4 CPU) 09:40:12 CPU %user %nice %system %iowait %steal %idle 09:50:27 all 65.84 0.00 2.15 0.07 0.10 31.83 09:50:27 0 66.14 0.00 2.15 0.05 0.10 31.56 09:50:27 1 62.60 0.00 2.05 0.10 0.10 35.16 09:50:27 2 67.91 0.00 2.17 0.06 0.10 29.76 09:50:27 3 66.73 0.00 2.24 0.07 0.09 30.86 10:00:21 all 63.72 0.00 2.71 0.17 0.10 33.30 10:00:21 0 60.73 0.00 2.36 0.11 0.10 36.70 10:00:21 1 66.17 0.00 2.62 0.26 0.10 30.86 10:00:21 2 64.41 0.00 2.81 0.09 0.10 32.59 10:00:21 3 63.55 0.00 3.07 0.22 0.10 33.05 10:10:14 all 6.16 0.00 0.19 0.16 0.03 93.45 10:10:14 0 3.56 0.00 0.15 0.08 0.02 96.19 10:10:14 1 10.03 0.00 0.28 0.05 0.03 89.61 10:10:14 2 6.55 0.00 0.17 0.03 0.03 93.22 10:10:14 3 4.50 0.00 0.18 0.49 0.03 94.80 Average: all 45.47 0.00 1.69 0.13 0.07 52.63 Average: 0 43.72 0.00 1.56 0.08 0.07 54.56 Average: 1 46.43 0.00 1.65 0.14 0.08 51.71 Average: 2 46.53 0.00 1.72 0.06 0.07 51.62 Average: 3 45.19 0.00 1.84 0.26 0.07 52.64