---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-8267 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 61G 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 739 11470 3 3779 14907 Swap: 1023 1 1022 ---> 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:f0:7b:c8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.174/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79602sec preferred_lft 79602sec inet6 fe80::f816:3eff:fef0:7bc8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ee:dd:84:15:dd:50 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::ecdd:84ff:fe15:dd50/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-8267) 03/23/26 _x86_64_ (4 CPU) 07:11:56 LINUX RESTART (4 CPU) 07:20:14 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:30:01 94.89 23.63 67.98 3.28 373.23 12288.84 2911.47 07:40:01 26.77 7.61 18.18 0.98 140.29 545.46 909.90 07:50:02 7.01 0.26 6.45 0.30 13.16 418.92 58.77 08:00:01 33.61 0.16 17.34 16.11 3.17 485.63 209692.68 08:10:27 7.02 0.08 6.65 0.29 5.55 181.68 522.61 08:20:03 5.05 0.01 4.85 0.18 0.29 124.73 521.84 08:30:01 4.98 0.03 4.77 0.17 1.69 140.10 654.92 08:40:03 4.71 0.02 4.51 0.18 1.30 131.56 248.17 08:50:04 21.11 12.03 8.69 0.39 144.35 560.12 283.19 09:00:01 6.26 0.02 6.07 0.17 1.39 170.46 42.58 Average: 20.98 4.34 14.44 2.20 67.80 1480.41 21617.88 07:20:14 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:30:01 172776 3606300 12322964 75.26 266072 3136456 13375428 76.77 2101756 13497912 384 07:40:01 3154000 5799548 10136824 61.91 265488 2423028 11363224 65.22 2088944 10609680 356 07:50:02 9461676 12199584 3740916 22.85 269212 2511412 4498992 25.82 2111280 4293060 336 08:00:01 10070216 12872492 3068488 18.74 274240 2570764 3782000 21.71 2142248 3660748 224 08:10:27 8454048 11281516 4658356 28.45 275468 2594740 5290880 30.37 2147340 5275368 124 08:20:03 8439592 11281204 4658636 28.45 276124 2608228 5360700 30.77 2148648 5262512 480 08:30:01 7082272 9942112 5996952 36.63 276640 2625936 6734772 38.66 2151200 6633504 380 08:40:03 6976820 9854444 6084752 37.16 277124 2643236 6825084 39.18 2154592 6730520 380 08:50:04 8265108 11318528 4621176 28.22 285828 2797676 5328084 30.58 2203212 5388584 276 09:00:01 11832872 14928024 1013804 6.19 286480 2838740 1747444 10.03 2222436 1822912 20572 Average: 7390938 10308375 5630287 34.39 275268 2675022 6430661 36.91 2147166 6317480 2351 07:20:14 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:30:01 lo 20.88 20.88 17.38 17.38 0.00 0.00 0.00 0.00 07:30:01 ens3 2.23 1.93 0.63 1.49 0.00 0.00 0.00 0.00 07:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:01 lo 43.84 43.84 18.32 18.32 0.00 0.00 0.00 0.00 07:40:01 ens3 1.64 1.44 0.33 0.28 0.00 0.00 0.00 0.00 07:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:50:02 lo 13.81 13.81 5.80 5.80 0.00 0.00 0.00 0.00 07:50:02 ens3 1.74 0.73 0.48 0.30 0.00 0.00 0.00 0.00 07:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:01 lo 11.72 11.72 6.62 6.62 0.00 0.00 0.00 0.00 08:00:01 ens3 1.33 0.73 0.30 0.21 0.00 0.00 0.00 0.00 08:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:10:27 lo 19.02 19.02 9.04 9.04 0.00 0.00 0.00 0.00 08:10:27 ens3 0.85 0.61 0.16 0.12 0.00 0.00 0.00 0.00 08:10:27 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:03 lo 18.11 18.11 6.63 6.63 0.00 0.00 0.00 0.00 08:20:03 ens3 1.04 0.38 0.18 0.09 0.00 0.00 0.00 0.00 08:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 lo 25.52 25.52 11.17 11.17 0.00 0.00 0.00 0.00 08:30:01 ens3 1.02 0.51 0.21 0.13 0.00 0.00 0.00 0.00 08:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:03 lo 12.41 12.41 7.66 7.66 0.00 0.00 0.00 0.00 08:40:03 ens3 0.78 0.47 0.18 0.13 0.00 0.00 0.00 0.00 08:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:04 lo 17.99 17.99 10.08 10.08 0.00 0.00 0.00 0.00 08:50:04 ens3 1.13 0.77 0.30 0.23 0.00 0.00 0.00 0.00 08:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:01 lo 16.98 16.98 6.93 6.93 0.00 0.00 0.00 0.00 09:00:01 ens3 0.76 0.65 0.17 0.14 0.00 0.00 0.00 0.00 09:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.03 20.03 9.95 9.95 0.00 0.00 0.00 0.00 Average: ens3 1.25 0.82 0.29 0.31 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-8267) 03/23/26 _x86_64_ (4 CPU) 07:11:56 LINUX RESTART (4 CPU) 07:20:14 CPU %user %nice %system %iowait %steal %idle 07:30:01 all 52.69 0.00 2.01 0.20 0.09 45.01 07:30:01 0 52.76 0.00 1.87 0.20 0.09 45.07 07:30:01 1 52.79 0.00 2.18 0.27 0.09 44.67 07:30:01 2 52.98 0.00 2.02 0.16 0.09 44.75 07:30:01 3 52.22 0.00 1.97 0.17 0.09 45.55 07:40:01 all 40.98 0.00 1.64 0.09 0.10 57.18 07:40:01 0 41.51 0.00 1.46 0.08 0.10 56.85 07:40:01 1 40.74 0.00 1.83 0.08 0.11 57.25 07:40:01 2 40.34 0.00 1.57 0.07 0.11 57.91 07:40:01 3 41.35 0.00 1.70 0.13 0.10 56.72 07:50:02 all 7.40 0.00 0.49 0.03 0.08 92.00 07:50:02 0 7.25 0.00 0.47 0.01 0.08 92.19 07:50:02 1 7.56 0.00 0.54 0.02 0.09 91.79 07:50:02 2 7.13 0.00 0.52 0.03 0.09 92.24 07:50:02 3 7.65 0.00 0.45 0.07 0.08 91.76 08:00:01 all 27.36 0.00 0.87 0.06 0.09 71.62 08:00:01 0 27.20 0.00 0.94 0.03 0.09 71.75 08:00:01 1 27.61 0.00 0.84 0.08 0.09 71.38 08:00:01 2 27.76 0.00 0.89 0.06 0.09 71.20 08:00:01 3 26.85 0.00 0.83 0.09 0.09 72.14 08:10:27 all 13.32 0.00 0.55 0.02 0.09 86.02 08:10:27 0 13.20 0.00 0.54 0.00 0.08 86.17 08:10:27 1 13.19 0.00 0.56 0.06 0.08 86.11 08:10:27 2 13.59 0.00 0.56 0.02 0.09 85.74 08:10:27 3 13.28 0.00 0.55 0.02 0.09 86.06 08:20:03 all 8.06 0.00 0.37 0.02 0.09 91.46 08:20:03 0 7.93 0.00 0.41 0.03 0.09 91.55 08:20:03 1 8.10 0.00 0.33 0.01 0.08 91.48 08:20:03 2 8.28 0.00 0.45 0.01 0.09 91.17 08:20:03 3 7.95 0.00 0.31 0.03 0.09 91.63 08:30:01 all 10.44 0.00 0.47 0.02 0.08 88.99 08:30:01 0 10.21 0.00 0.42 0.02 0.08 89.28 08:30:01 1 10.74 0.00 0.54 0.04 0.08 88.60 08:30:01 2 10.27 0.00 0.51 0.01 0.09 89.13 08:30:01 3 10.52 0.00 0.42 0.02 0.08 88.97 08:40:03 all 9.15 0.00 0.39 0.02 0.09 90.35 08:40:03 0 9.04 0.00 0.43 0.01 0.09 90.43 08:40:03 1 9.40 0.00 0.36 0.01 0.09 90.15 08:40:03 2 9.15 0.00 0.38 0.04 0.09 90.34 08:40:03 3 9.02 0.00 0.39 0.02 0.09 90.48 08:50:04 all 13.43 0.07 0.57 0.07 0.09 85.77 08:50:04 0 13.56 0.03 0.52 0.02 0.09 85.78 08:50:04 1 12.64 0.12 0.54 0.09 0.09 86.53 08:50:04 2 14.56 0.05 0.59 0.10 0.10 84.60 08:50:04 3 12.97 0.08 0.61 0.06 0.09 86.20 09:00:01 all 8.45 0.00 0.37 0.02 0.08 91.07 09:00:01 0 8.69 0.00 0.41 0.01 0.08 90.82 09:00:01 1 8.60 0.00 0.33 0.02 0.09 90.96 09:00:01 2 8.22 0.00 0.38 0.04 0.09 91.28 09:00:01 3 8.31 0.00 0.35 0.02 0.08 91.24 Average: all 19.08 0.01 0.77 0.05 0.09 80.00 Average: 0 19.09 0.00 0.74 0.04 0.09 80.04 Average: 1 19.08 0.01 0.80 0.07 0.09 79.95 Average: 2 19.17 0.01 0.78 0.05 0.09 79.90 Average: 3 18.96 0.01 0.76 0.06 0.09 80.13