---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-448376 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 606 10821 4 4561 15040 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:4a:1a:d5 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.166/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 80115sec preferred_lft 80115sec inet6 fe80::f816:3eff:fe4a:1ad5/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 5a:80:5a:c0:4e:a0 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-448376) 03/12/26 _x86_64_ (4 CPU) 03:10:54 LINUX RESTART (4 CPU) 03:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 03:30:30 1.10 0.00 1.09 0.00 0.04 13.52 0.13 03:40:30 1.07 0.00 1.07 0.00 0.00 13.08 0.00 03:50:01 1.05 0.00 1.05 0.00 0.07 12.89 0.00 04:00:30 13.29 0.00 1.15 12.13 0.15 13.87 231416.30 04:10:30 1.21 0.02 1.19 0.00 1.69 14.49 0.05 04:20:01 1.13 0.00 1.13 0.00 0.00 13.55 0.00 04:30:30 1.14 0.00 1.14 0.00 0.00 13.50 0.00 04:40:25 1.11 0.00 1.11 0.00 0.00 13.27 0.00 04:50:01 53.13 4.96 47.03 1.15 286.69 4729.98 1348.78 Average: 8.09 0.53 6.02 1.54 30.82 517.00 27134.50 03:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 03:30:30 13805104 15543072 476224 2.91 54472 1910464 1126568 6.47 193124 2129064 16 03:40:30 13804108 15542456 476848 2.91 54864 1910472 1126568 6.47 193524 2130256 40 03:50:01 13791288 15530048 489212 2.99 55216 1910504 1127772 6.47 193888 2143048 216 04:00:30 13785504 15529904 489188 2.99 55884 1915444 1126696 6.47 199368 2142528 40 04:10:30 13770172 15515592 503416 3.07 56240 1916096 1126696 6.47 199928 2143096 16 04:20:01 13770052 15515832 503236 3.07 56600 1916108 1126696 6.47 200272 2143356 200 04:30:30 13770276 15516464 502644 3.07 56992 1916116 1126696 6.47 200672 2143232 12 04:40:25 13769472 15516156 502920 3.07 57336 1916256 1126764 6.47 201016 2143456 12 04:50:01 10437620 13471336 2492136 15.22 118740 3081896 2832152 16.26 481952 5122864 8796 Average: 13411511 15297873 715092 4.37 62927 2043706 1316290 7.56 229305 2471211 1039 03:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 03:30:30 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 03:30:30 ens3 0.45 0.11 0.09 0.04 0.00 0.00 0.00 0.00 03:30:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:40:30 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 03:40:30 ens3 0.33 0.11 0.07 0.04 0.00 0.00 0.00 0.00 03:40:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 03:50:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 03:50:01 ens3 0.78 0.56 0.10 0.63 0.00 0.00 0.00 0.00 03:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:00:30 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 04:00:30 ens3 0.19 0.08 0.04 0.02 0.00 0.00 0.00 0.00 04:00:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:10:30 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 04:10:30 ens3 0.35 0.15 0.09 0.05 0.00 0.00 0.00 0.00 04:10:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:20:01 lo 0.11 0.11 0.01 0.01 0.00 0.00 0.00 0.00 04:20:01 ens3 0.20 0.08 0.04 0.02 0.00 0.00 0.00 0.00 04:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:30:30 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 04:30:30 ens3 0.30 0.10 0.06 0.02 0.00 0.00 0.00 0.00 04:30:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:40:25 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 04:40:25 ens3 0.27 0.11 0.07 0.04 0.00 0.00 0.00 0.00 04:40:25 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 04:50:01 lo 110.06 110.06 100.59 100.59 0.00 0.00 0.00 0.00 04:50:01 ens3 121.40 91.87 1154.96 17.06 0.00 0.00 0.00 0.00 04:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 11.84 11.84 10.74 10.74 0.00 0.00 0.00 0.00 Average: ens3 13.28 9.95 123.35 1.91 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-448376) 03/12/26 _x86_64_ (4 CPU) 03:10:54 LINUX RESTART (4 CPU) 03:20:01 CPU %user %nice %system %iowait %steal %idle 03:30:30 all 0.11 0.00 0.03 0.01 0.01 99.84 03:30:30 0 0.03 0.00 0.02 0.01 0.01 99.94 03:30:30 1 0.23 0.00 0.05 0.01 0.02 99.69 03:30:30 2 0.04 0.00 0.02 0.00 0.01 99.92 03:30:30 3 0.12 0.00 0.04 0.00 0.01 99.82 03:40:30 all 0.10 0.00 0.03 0.04 0.02 99.81 03:40:30 0 0.01 0.00 0.02 0.04 0.01 99.91 03:40:30 1 0.27 0.00 0.03 0.01 0.02 99.67 03:40:30 2 0.04 0.00 0.03 0.10 0.02 99.80 03:40:30 3 0.06 0.00 0.03 0.03 0.02 99.86 03:50:01 all 0.20 0.00 0.03 0.03 0.01 99.73 03:50:01 0 0.01 0.00 0.02 0.00 0.01 99.96 03:50:01 1 0.18 0.00 0.02 0.00 0.01 99.79 03:50:01 2 0.58 0.00 0.03 0.09 0.01 99.30 03:50:01 3 0.03 0.00 0.05 0.02 0.02 99.87 04:00:30 all 0.07 0.00 0.03 0.05 0.01 99.84 04:00:30 0 0.23 0.00 0.02 0.00 0.02 99.73 04:00:30 1 0.02 0.00 0.03 0.01 0.01 99.94 04:00:30 2 0.01 0.00 0.02 0.00 0.01 99.96 04:00:30 3 0.02 0.00 0.05 0.18 0.02 99.74 04:10:30 all 0.19 0.00 0.04 0.01 0.01 99.74 04:10:30 0 0.27 0.00 0.02 0.00 0.01 99.70 04:10:30 1 0.02 0.00 0.03 0.01 0.01 99.93 04:10:30 2 0.46 0.00 0.07 0.00 0.01 99.46 04:10:30 3 0.03 0.00 0.03 0.04 0.02 99.88 04:20:01 all 0.05 0.00 0.02 0.01 0.01 99.91 04:20:01 0 0.01 0.00 0.01 0.00 0.00 99.97 04:20:01 1 0.03 0.00 0.02 0.00 0.02 99.93 04:20:01 2 0.13 0.00 0.02 0.00 0.02 99.83 04:20:01 3 0.02 0.00 0.02 0.02 0.02 99.92 04:30:30 all 0.04 0.00 0.02 0.01 0.01 99.92 04:30:30 0 0.01 0.00 0.01 0.01 0.00 99.97 04:30:30 1 0.01 0.00 0.02 0.00 0.01 99.95 04:30:30 2 0.13 0.00 0.04 0.00 0.02 99.81 04:30:30 3 0.02 0.00 0.02 0.01 0.02 99.94 04:40:25 all 0.02 0.00 0.02 0.01 0.01 99.94 04:40:25 0 0.02 0.00 0.01 0.02 0.01 99.95 04:40:25 1 0.01 0.00 0.02 0.01 0.01 99.96 04:40:25 2 0.02 0.00 0.03 0.00 0.02 99.94 04:40:25 3 0.03 0.00 0.04 0.01 0.02 99.91 04:50:01 all 27.46 0.00 1.21 0.33 0.05 70.95 04:50:01 0 26.89 0.00 1.08 0.54 0.04 71.46 04:50:01 1 27.23 0.00 1.30 0.09 0.05 71.33 04:50:01 2 30.83 0.00 1.45 0.63 0.05 67.04 04:50:01 3 24.90 0.00 1.02 0.06 0.05 73.98 Average: all 3.01 0.00 0.15 0.05 0.02 96.76 Average: 0 2.93 0.00 0.13 0.07 0.01 96.86 Average: 1 2.99 0.00 0.16 0.02 0.02 96.82 Average: 2 3.44 0.00 0.18 0.09 0.02 96.27 Average: 3 2.69 0.00 0.14 0.04 0.02 97.11