---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-466540 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 642 10790 4 4556 15004 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:f2:6d:b8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.114/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82630sec preferred_lft 82630sec inet6 fe80::f816:3eff:fef2:6db8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:a9:3b:43:79:2e 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-466540) 03/13/26 _x86_64_ (4 CPU) 22:47:41 LINUX RESTART (4 CPU) 22:50:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:00:11 1.83 0.04 1.77 0.01 1.93 21.69 0.76 23:10:11 14.41 0.01 1.66 12.73 0.20 19.08 242909.95 23:20:11 1.46 0.00 1.46 0.00 0.01 16.87 0.00 23:30:11 1.53 0.00 1.53 0.00 0.00 17.23 0.00 23:40:11 1.56 0.00 1.56 0.00 0.00 17.68 0.00 23:50:11 64.87 4.84 57.52 2.51 281.56 9120.93 10561.49 Average: 14.28 0.82 10.92 2.54 47.28 1535.58 42245.37 22:50:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:00:11 13778620 15517836 501360 3.06 54468 1911728 1128268 6.48 193952 2161800 16 23:10:11 13772600 15517512 501624 3.06 55372 1916496 1128332 6.48 199676 2163380 204 23:20:11 13772600 15518220 500932 3.06 55952 1916616 1128332 6.48 200240 2163952 28 23:30:11 13771592 15517816 501352 3.06 56536 1916636 1128332 6.48 200816 2164848 16 23:40:11 13767088 15514076 505104 3.08 57160 1916760 1128396 6.48 201448 2169852 36 23:50:11 11083732 15394600 564844 3.45 128428 4306020 1049576 6.02 792008 4112680 27020 Average: 13324372 15496677 512536 3.13 67986 2314043 1115206 6.40 298023 2489419 4553 22:50:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:00:11 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 23:00:11 ens3 0.51 0.11 0.10 0.04 0.00 0.00 0.00 0.00 23:00:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:11 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 23:10:11 ens3 0.48 0.12 0.09 0.05 0.00 0.00 0.00 0.00 23:10:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:11 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 23:20:11 ens3 0.32 0.07 0.05 0.02 0.00 0.00 0.00 0.00 23:20:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:30:11 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 23:30:11 ens3 0.41 0.11 0.07 0.03 0.00 0.00 0.00 0.00 23:30:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:40:11 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 23:40:11 ens3 0.66 0.48 0.10 0.56 0.00 0.00 0.00 0.00 23:40:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:50:11 lo 379.52 379.52 356.95 356.95 0.00 0.00 0.00 0.00 23:50:11 ens3 139.21 104.47 1198.27 27.68 0.00 0.00 0.00 0.00 23:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 63.34 63.34 59.50 59.50 0.00 0.00 0.00 0.00 Average: ens3 23.60 17.56 199.78 4.73 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-466540) 03/13/26 _x86_64_ (4 CPU) 22:47:41 LINUX RESTART (4 CPU) 22:50:11 CPU %user %nice %system %iowait %steal %idle 23:00:11 all 0.31 0.00 0.03 0.01 0.02 99.62 23:00:11 0 0.01 0.00 0.01 0.00 0.01 99.97 23:00:11 1 1.16 0.00 0.03 0.00 0.02 98.78 23:00:11 2 0.04 0.00 0.04 0.04 0.02 99.86 23:00:11 3 0.04 0.00 0.05 0.01 0.03 99.88 23:10:11 all 0.22 0.00 0.03 0.03 0.02 99.70 23:10:11 0 0.01 0.00 0.01 0.00 0.01 99.97 23:10:11 1 0.69 0.00 0.04 0.00 0.03 99.24 23:10:11 2 0.12 0.00 0.04 0.03 0.02 99.80 23:10:11 3 0.06 0.00 0.05 0.07 0.02 99.80 23:20:11 all 0.06 0.00 0.03 0.01 0.02 99.89 23:20:11 0 0.01 0.00 0.01 0.00 0.01 99.98 23:20:11 1 0.03 0.00 0.02 0.03 0.01 99.91 23:20:11 2 0.16 0.00 0.04 0.01 0.03 99.77 23:20:11 3 0.03 0.00 0.04 0.00 0.04 99.90 23:30:11 all 0.05 0.00 0.02 0.01 0.02 99.89 23:30:11 0 0.01 0.00 0.01 0.00 0.01 99.98 23:30:11 1 0.17 0.00 0.03 0.01 0.03 99.76 23:30:11 2 0.02 0.00 0.03 0.01 0.02 99.92 23:30:11 3 0.02 0.00 0.02 0.02 0.03 99.91 23:40:11 all 0.07 0.00 0.02 0.01 0.02 99.88 23:40:11 0 0.17 0.00 0.01 0.01 0.02 99.79 23:40:11 1 0.03 0.00 0.02 0.02 0.02 99.91 23:40:11 2 0.03 0.00 0.04 0.00 0.03 99.91 23:40:11 3 0.04 0.00 0.02 0.01 0.02 99.91 23:50:11 all 48.33 0.00 2.06 0.36 0.08 49.18 23:50:11 0 43.36 0.00 2.07 0.19 0.08 54.29 23:50:11 1 52.21 0.00 2.20 0.49 0.07 45.03 23:50:11 2 49.01 0.00 2.13 0.42 0.08 48.37 23:50:11 3 48.72 0.00 1.84 0.32 0.08 49.04 Average: all 8.14 0.00 0.37 0.07 0.03 91.39 Average: 0 7.24 0.00 0.35 0.03 0.02 92.35 Average: 1 9.01 0.00 0.39 0.09 0.03 90.48 Average: 2 8.19 0.00 0.38 0.08 0.03 91.31 Average: 3 8.13 0.00 0.33 0.07 0.04 91.43