---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-34553 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 18G 60G 23% / 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 694 11025 4 4269 14952 Swap: 1023 7 1016 ---> 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:ed:10:a9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.184/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79516sec preferred_lft 79516sec inet6 fe80::f816:3eff:feed:10a9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6a:b4:73:3f:65:03 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 inet6 fe80::68b4:73ff:fe3f:6503/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-34553) 03/25/26 _x86_64_ (4 CPU) 07:44:30 LINUX RESTART (4 CPU) 07:50:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:00:03 93.13 23.26 66.75 3.12 364.69 10646.50 3407.14 08:10:18 23.12 4.03 18.06 1.03 80.56 561.33 1815.99 08:20:19 7.74 0.12 7.23 0.38 8.27 259.25 1042.22 08:30:19 11.99 0.09 11.40 0.50 5.55 557.28 673.03 08:40:20 16.13 0.02 15.40 0.70 1.11 520.82 879.07 08:50:06 4.92 0.02 4.74 0.16 1.33 127.55 74.63 09:00:33 7.09 0.02 6.75 0.33 1.22 226.94 294.21 09:10:33 5.95 0.01 5.76 0.19 0.36 166.00 53.57 09:20:33 4.81 0.03 4.61 0.18 0.95 151.44 40.45 09:30:33 8.85 0.04 8.41 0.40 4.21 569.85 175.16 Average: 18.38 2.77 14.92 0.70 46.87 1376.00 847.98 07:50:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:00:03 3920132 7460020 8470280 51.73 270252 3242864 9474340 54.38 2115208 9723640 1668 08:10:18 3044136 6121680 9813388 59.94 270712 2819856 10973500 62.99 2173840 10603252 148 08:20:19 6563360 9666320 6271020 38.30 271804 2844192 7045080 40.44 2181068 7074732 220 08:30:19 8377932 11588380 4350248 26.57 276184 2947204 5220128 29.96 2217284 5256616 308 08:40:20 8122028 11402920 4535720 27.70 278748 3015080 5349468 30.71 2223956 5503500 212 08:50:06 8059044 11355220 4583192 27.99 279288 3029820 5315476 30.51 2225376 5546760 264 09:00:33 7208024 10538788 5399448 32.98 280128 3063568 6407232 36.78 2228332 6404444 404 09:10:33 6622552 9974952 5962684 36.42 280664 3084676 6769760 38.86 2231444 6984944 548 09:20:33 8025132 11400444 4538044 27.72 281400 3106844 5333764 30.62 2233872 5581668 192 09:30:33 7742848 11245960 4692432 28.66 285192 3228452 5368808 30.82 2248492 5854792 136 Average: 6768519 10075468 5861646 35.80 277437 3038256 6725756 38.61 2207887 6853435 410 07:50:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:00:03 lo 20.71 20.71 17.12 17.12 0.00 0.00 0.00 0.00 08:00:03 ens3 2.20 1.87 0.67 0.56 0.00 0.00 0.00 0.00 08:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:18 lo 44.30 44.30 18.41 18.41 0.00 0.00 0.00 0.00 08:10:18 ens3 1.90 1.50 0.38 1.22 0.00 0.00 0.00 0.00 08:10:18 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:19 lo 18.35 18.35 9.29 9.29 0.00 0.00 0.00 0.00 08:20:19 ens3 0.89 0.51 0.17 0.11 0.00 0.00 0.00 0.00 08:20:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:19 lo 9.24 9.24 4.30 4.30 0.00 0.00 0.00 0.00 08:30:19 ens3 0.89 0.62 0.25 0.19 0.00 0.00 0.00 0.00 08:30:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:20 lo 17.05 17.05 8.50 8.50 0.00 0.00 0.00 0.00 08:40:20 ens3 1.01 0.77 0.22 0.18 0.00 0.00 0.00 0.00 08:40:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:06 lo 14.91 14.91 7.82 7.82 0.00 0.00 0.00 0.00 08:50:06 ens3 1.07 0.53 0.24 0.16 0.00 0.00 0.00 0.00 08:50:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:33 lo 23.98 23.98 8.88 8.88 0.00 0.00 0.00 0.00 09:00:33 ens3 0.96 0.54 0.27 0.18 0.00 0.00 0.00 0.00 09:00:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:33 lo 22.36 22.36 11.63 11.63 0.00 0.00 0.00 0.00 09:10:33 ens3 0.97 0.66 0.22 0.16 0.00 0.00 0.00 0.00 09:10:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:33 lo 15.54 15.54 8.74 8.74 0.00 0.00 0.00 0.00 09:20:33 ens3 1.74 0.66 0.46 0.28 0.00 0.00 0.00 0.00 09:20:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:33 lo 14.17 14.17 7.66 7.66 0.00 0.00 0.00 0.00 09:30:33 ens3 1.57 0.78 0.40 0.26 0.00 0.00 0.00 0.00 09:30:33 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.15 20.15 10.26 10.26 0.00 0.00 0.00 0.00 Average: ens3 1.32 0.85 0.33 0.33 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-16g-34553) 03/25/26 _x86_64_ (4 CPU) 07:44:30 LINUX RESTART (4 CPU) 07:50:02 CPU %user %nice %system %iowait %steal %idle 08:00:03 all 51.96 0.00 2.08 0.18 0.11 45.67 08:00:03 0 51.04 0.00 1.89 0.19 0.11 46.76 08:00:03 1 51.71 0.00 2.29 0.18 0.11 45.71 08:00:03 2 51.34 0.00 2.01 0.12 0.11 46.42 08:00:03 3 53.75 0.00 2.14 0.22 0.11 43.77 08:10:18 all 41.48 0.00 1.66 0.06 0.12 56.69 08:10:18 0 41.79 0.00 1.66 0.04 0.11 56.39 08:10:18 1 41.29 0.00 1.66 0.10 0.12 56.83 08:10:18 2 41.83 0.00 1.70 0.06 0.12 56.30 08:10:18 3 41.00 0.00 1.62 0.04 0.12 57.22 08:20:19 all 17.52 0.00 0.83 0.03 0.09 81.54 08:20:19 0 17.75 0.00 0.75 0.06 0.09 81.36 08:20:19 1 18.09 0.00 0.83 0.01 0.10 80.97 08:20:19 2 17.09 0.00 0.88 0.03 0.09 81.91 08:20:19 3 17.14 0.00 0.84 0.01 0.09 81.91 08:30:19 all 15.52 0.00 0.69 0.04 0.09 83.66 08:30:19 0 15.60 0.00 0.71 0.03 0.08 83.59 08:30:19 1 15.18 0.00 0.71 0.07 0.09 83.96 08:30:19 2 15.11 0.00 0.81 0.05 0.09 83.96 08:30:19 3 16.21 0.00 0.55 0.02 0.08 83.13 08:40:20 all 24.84 0.00 0.84 0.05 0.09 74.19 08:40:20 0 24.83 0.00 1.03 0.05 0.09 74.00 08:40:20 1 25.10 0.00 0.79 0.06 0.10 73.95 08:40:20 2 24.59 0.00 0.78 0.03 0.09 74.51 08:40:20 3 24.83 0.00 0.74 0.04 0.09 74.30 08:50:06 all 7.83 0.00 0.33 0.02 0.09 91.74 08:50:06 0 8.20 0.00 0.28 0.02 0.09 91.41 08:50:06 1 7.41 0.00 0.38 0.01 0.09 92.12 08:50:06 2 7.72 0.00 0.36 0.02 0.09 91.81 08:50:06 3 8.00 0.00 0.29 0.01 0.09 91.61 09:00:33 all 13.21 0.00 0.57 0.02 0.10 86.10 09:00:33 0 12.51 0.00 0.54 0.03 0.09 86.83 09:00:33 1 13.77 0.00 0.60 0.03 0.11 85.49 09:00:33 2 13.61 0.00 0.59 0.04 0.09 85.67 09:00:33 3 12.96 0.00 0.54 0.01 0.10 86.40 09:10:33 all 12.01 0.00 0.45 0.02 0.08 87.44 09:10:33 0 12.37 0.00 0.43 0.02 0.08 87.11 09:10:33 1 12.21 0.00 0.49 0.04 0.08 87.19 09:10:33 2 11.77 0.00 0.39 0.01 0.08 87.75 09:10:33 3 11.69 0.00 0.48 0.02 0.09 87.72 09:20:33 all 8.13 0.00 0.47 0.02 0.08 91.31 09:20:33 0 7.89 0.00 0.39 0.02 0.07 91.63 09:20:33 1 8.28 0.00 0.48 0.01 0.09 91.13 09:20:33 2 8.67 0.00 0.47 0.01 0.08 90.77 09:20:33 3 7.66 0.00 0.53 0.03 0.08 91.70 09:30:33 all 13.82 0.00 0.56 0.03 0.09 85.50 09:30:33 0 13.60 0.00 0.58 0.02 0.09 85.71 09:30:33 1 14.16 0.00 0.62 0.02 0.10 85.10 09:30:33 2 13.41 0.00 0.54 0.02 0.09 85.94 09:30:33 3 14.12 0.00 0.49 0.08 0.08 85.23 Average: all 20.69 0.00 0.85 0.05 0.09 78.32 Average: 0 20.61 0.00 0.83 0.05 0.09 78.43 Average: 1 20.78 0.00 0.89 0.05 0.10 78.18 Average: 2 20.57 0.00 0.85 0.04 0.09 78.44 Average: 3 20.79 0.00 0.83 0.05 0.09 78.24