---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-5965 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 12G 66G 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 664 9386 4 5937 14982 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:ca:a3:58 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.147/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84413sec preferred_lft 84413sec inet6 fe80::f816:3eff:feca:a358/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7a:b3:72:0d:30:e8 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-5965) 03/19/26 _x86_64_ (4 CPU) 08:27:41 LINUX RESTART (4 CPU) 08:30:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:40:02 27.39 2.60 21.55 3.24 148.63 3705.82 48741.59 08:50:02 14.33 0.15 12.15 2.03 4.68 1491.77 30279.80 09:00:02 30.33 0.45 25.97 3.91 15.61 7202.27 5184.69 Average: 24.02 1.07 19.89 3.06 56.31 4133.29 28068.58 08:30:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:40:02 10096528 13538432 2420288 14.78 129048 3440500 2747512 15.77 687968 5205876 3804 08:50:02 9591208 13415668 2539424 15.51 150704 3769656 2715452 15.59 811904 5510712 11588 09:00:02 9606464 15332084 613980 3.75 174812 5564240 1099808 6.31 1604056 4633216 11992 Average: 9764733 14095395 1857897 11.35 151521 4258132 2187591 12.56 1034643 5116601 9128 08:30:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:40:02 lo 16.94 16.94 3.68 3.68 0.00 0.00 0.00 0.00 08:40:02 ens3 76.58 58.53 732.20 11.50 0.00 0.00 0.00 0.00 08:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:02 lo 700.37 700.37 634.18 634.18 0.00 0.00 0.00 0.00 08:50:02 ens3 32.57 22.35 237.32 4.97 0.00 0.00 0.00 0.00 08:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:02 lo 1676.61 1676.61 1615.93 1615.93 0.00 0.00 0.00 0.00 09:00:02 ens3 107.24 104.20 253.97 912.17 0.00 0.00 0.00 0.00 09:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 797.98 797.98 751.27 751.27 0.00 0.00 0.00 0.00 Average: ens3 72.13 61.69 407.83 309.55 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-5965) 03/19/26 _x86_64_ (4 CPU) 08:27:41 LINUX RESTART (4 CPU) 08:30:02 CPU %user %nice %system %iowait %steal %idle 08:40:02 all 32.72 0.00 1.34 0.30 0.11 65.52 08:40:02 0 32.49 0.00 1.24 0.17 0.11 66.00 08:40:02 1 31.80 0.00 1.22 0.46 0.10 66.41 08:40:02 2 32.67 0.00 1.43 0.24 0.11 65.56 08:40:02 3 33.93 0.00 1.49 0.34 0.10 64.14 08:50:02 all 22.65 0.00 1.20 0.15 0.11 75.89 08:50:02 0 22.16 0.00 1.35 0.20 0.12 76.17 08:50:02 1 22.99 0.00 1.16 0.08 0.12 75.66 08:50:02 2 23.24 0.00 1.02 0.08 0.11 75.55 08:50:02 3 22.23 0.00 1.25 0.22 0.11 76.19 09:00:02 all 45.52 0.00 2.43 0.55 0.11 51.39 09:00:02 0 42.23 0.00 2.15 0.38 0.11 55.14 09:00:02 1 44.13 0.00 2.61 0.49 0.12 52.65 09:00:02 2 47.43 0.00 2.54 0.50 0.11 49.42 09:00:02 3 48.29 0.00 2.40 0.82 0.11 48.38 Average: all 33.63 0.00 1.65 0.33 0.11 64.27 Average: 0 32.29 0.00 1.58 0.25 0.11 65.77 Average: 1 32.98 0.00 1.66 0.34 0.11 64.90 Average: 2 34.44 0.00 1.66 0.27 0.11 63.51 Average: 3 34.81 0.00 1.71 0.46 0.11 62.91