---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-4753 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 67G 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 617 10578 4 4793 15029 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:a3:a8:d1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.31/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 82481sec preferred_lft 82481sec inet6 fe80::f816:3eff:fea3:a8d1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:3b:ed:d9:32:09 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-4753) 03/18/26 _x86_64_ (4 CPU) 10:34:59 LINUX RESTART (4 CPU) 10:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:00 1.25 0.04 1.20 0.01 2.12 15.27 217.15 11:00:00 1.06 0.01 1.05 0.00 0.04 12.68 0.00 11:10:00 1.16 0.00 1.16 0.00 0.00 13.80 0.00 11:20:00 55.15 4.24 37.18 13.73 252.58 3926.65 241601.98 11:30:00 3.88 0.06 3.68 0.14 6.67 544.36 25.12 11:40:00 25.00 0.57 22.02 2.40 26.85 6184.35 6808.71 Average: 14.58 0.82 11.05 2.71 48.04 1782.86 41441.51 10:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:00 13776716 15514576 504688 3.08 54316 1910540 1128808 6.48 193084 2154236 8 11:00:00 13774700 15513088 506112 3.09 54672 1910680 1128704 6.48 193448 2155504 8 11:10:00 13788644 15527460 491716 3.00 55080 1910684 1128704 6.48 193864 2156984 12 11:20:00 10146516 13006276 2958268 18.07 110020 2924324 3324756 19.08 463140 5441276 20 11:30:00 9644712 12658836 3304740 20.18 115152 3061012 3477616 19.96 506616 5870596 52 11:40:00 10933044 15484984 472584 2.89 139204 4514312 989576 5.68 892364 4150976 26276 Average: 12010722 14617537 1373018 8.39 88074 2705259 1863027 10.69 407086 3654929 4396 10:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:00 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 10:50:00 ens3 0.36 0.10 0.06 0.03 0.00 0.00 0.00 0.00 10:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:00:00 ens3 0.36 0.11 0.07 0.04 0.00 0.00 0.00 0.00 11:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:00 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 11:10:00 ens3 0.43 0.12 0.09 0.05 0.00 0.00 0.00 0.00 11:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:00 lo 0.43 0.43 0.05 0.05 0.00 0.00 0.00 0.00 11:20:00 ens3 86.42 66.03 884.22 11.67 0.00 0.00 0.00 0.00 11:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:00 lo 0.59 0.59 0.37 0.37 0.00 0.00 0.00 0.00 11:30:00 ens3 8.11 6.88 35.96 2.07 0.00 0.00 0.00 0.00 11:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:00 lo 473.34 473.34 450.83 450.83 0.00 0.00 0.00 0.00 11:40:00 ens3 50.35 36.29 486.01 18.62 0.00 0.00 0.00 0.00 11:40:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 79.11 79.11 75.21 75.21 0.00 0.00 0.00 0.00 Average: ens3 24.34 18.26 234.40 5.41 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-4753) 03/18/26 _x86_64_ (4 CPU) 10:34:59 LINUX RESTART (4 CPU) 10:40:00 CPU %user %nice %system %iowait %steal %idle 10:50:00 all 0.10 0.00 0.03 0.01 0.01 99.85 10:50:00 0 0.03 0.00 0.02 0.00 0.01 99.94 10:50:00 1 0.05 0.00 0.03 0.02 0.01 99.89 10:50:00 2 0.30 0.00 0.05 0.00 0.02 99.63 10:50:00 3 0.04 0.00 0.02 0.01 0.01 99.93 11:00:00 all 0.06 0.00 0.03 0.01 0.01 99.89 11:00:00 0 0.02 0.00 0.02 0.02 0.01 99.93 11:00:00 1 0.04 0.00 0.03 0.00 0.01 99.92 11:00:00 2 0.17 0.00 0.05 0.01 0.02 99.76 11:00:00 3 0.03 0.00 0.03 0.00 0.01 99.93 11:10:00 all 0.05 0.00 0.02 0.01 0.01 99.90 11:10:00 0 0.04 0.00 0.04 0.01 0.02 99.89 11:10:00 1 0.02 0.00 0.02 0.00 0.01 99.95 11:10:00 2 0.13 0.00 0.03 0.01 0.01 99.82 11:10:00 3 0.02 0.00 0.02 0.00 0.01 99.96 11:20:00 all 30.76 0.00 0.94 2.20 0.23 65.88 11:20:00 0 29.96 0.00 1.07 3.50 0.22 65.24 11:20:00 1 26.83 0.00 0.94 1.27 0.21 70.74 11:20:00 2 26.88 0.00 0.84 1.62 0.23 70.43 11:20:00 3 39.37 0.00 0.91 2.40 0.23 57.09 11:30:00 all 49.74 0.00 0.71 0.34 0.11 49.10 11:30:00 0 38.88 0.00 0.69 0.21 0.10 60.13 11:30:00 1 39.73 0.00 0.78 0.12 0.11 59.26 11:30:00 2 57.01 0.00 0.89 0.13 0.12 41.86 11:30:00 3 63.37 0.00 0.49 0.88 0.11 35.15 11:40:00 all 57.22 0.00 1.53 0.31 0.12 40.82 11:40:00 0 69.67 0.00 1.40 0.21 0.14 28.58 11:40:00 1 51.21 0.00 1.56 0.31 0.13 46.80 11:40:00 2 53.68 0.00 1.49 0.67 0.11 44.04 11:40:00 3 54.30 0.00 1.66 0.06 0.11 43.87 Average: all 22.98 0.00 0.54 0.48 0.08 75.91 Average: 0 23.11 0.00 0.54 0.66 0.08 75.60 Average: 1 19.64 0.00 0.56 0.29 0.08 79.43 Average: 2 23.02 0.00 0.56 0.41 0.08 75.93 Average: 3 26.16 0.00 0.52 0.56 0.08 72.69