---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-26078 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 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 665 9561 4 5761 14981 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:05:8a:a2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.181/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83822sec preferred_lft 83822sec inet6 fe80::f816:3eff:fe05:8aa2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 2a:a8:d9:9e:56:04 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-26078) 03/03/26 _x86_64_ (4 CPU) 17:01:48 LINUX RESTART (4 CPU) 17:10:08 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 17:20:08 0.96 0.01 0.94 0.02 0.11 13.16 0.53 17:30:08 9.96 0.43 9.51 0.02 18.37 179.15 0.47 17:40:03 47.64 4.28 40.85 2.51 256.37 10156.83 10783.89 Average: 19.44 1.57 17.03 0.85 91.17 3431.44 3575.38 17:10:08 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 17:20:08 13787692 15530036 489088 2.99 54612 1914600 1135696 6.52 194224 2149468 168 17:30:08 13671240 15457564 559804 3.42 57080 1954600 1152160 6.61 216116 2246840 5764 17:40:03 7909232 12579540 3376572 20.62 133244 4630656 3469708 19.92 1123652 6926884 1080 Average: 11789388 14522380 1475155 9.01 81645 2833285 1919188 11.02 511331 3774397 2337 17:10:08 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 17:20:08 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 17:20:08 ens3 0.27 0.09 0.05 0.02 0.00 0.00 0.00 0.00 17:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:30:08 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 17:30:08 ens3 16.55 11.35 51.04 4.02 0.00 0.00 0.00 0.00 17:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 17:40:03 lo 760.63 760.63 724.24 724.24 0.00 0.00 0.00 0.00 17:40:03 ens3 114.38 88.48 1211.10 18.53 0.00 0.00 0.00 0.00 17:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 252.23 252.23 240.10 240.10 0.00 0.00 0.00 0.00 Average: ens3 43.54 33.16 418.58 7.49 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-26078) 03/03/26 _x86_64_ (4 CPU) 17:01:48 LINUX RESTART (4 CPU) 17:10:08 CPU %user %nice %system %iowait %steal %idle 17:20:08 all 0.22 0.00 0.02 0.02 0.02 99.72 17:20:08 0 0.14 0.00 0.01 0.00 0.01 99.83 17:20:08 1 0.02 0.00 0.03 0.07 0.01 99.87 17:20:08 2 0.44 0.00 0.03 0.00 0.02 99.50 17:20:08 3 0.27 0.00 0.02 0.00 0.02 99.69 17:30:08 all 0.45 0.00 0.07 0.07 0.02 99.39 17:30:08 0 0.26 0.00 0.11 0.19 0.01 99.43 17:30:08 1 0.32 0.00 0.07 0.05 0.02 99.54 17:30:08 2 0.75 0.00 0.07 0.03 0.03 99.13 17:30:08 3 0.49 0.00 0.03 0.01 0.01 99.47 17:40:03 all 50.25 0.00 2.11 0.56 0.10 46.98 17:40:03 0 52.77 0.00 2.15 0.28 0.10 44.69 17:40:03 1 50.90 0.00 2.02 1.10 0.10 45.87 17:40:03 2 50.55 0.00 2.28 0.41 0.10 46.67 17:40:03 3 46.78 0.00 1.99 0.44 0.10 50.69 Average: all 16.84 0.00 0.73 0.21 0.04 82.18 Average: 0 17.57 0.00 0.75 0.16 0.04 81.48 Average: 1 16.95 0.00 0.70 0.40 0.05 81.90 Average: 2 17.10 0.00 0.78 0.15 0.05 81.92 Average: 3 15.73 0.00 0.67 0.15 0.04 83.41