---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-38535 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 715 10641 3 4632 14931 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:88:74:a3 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.78/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79633sec preferred_lft 79633sec inet6 fe80::f816:3eff:fe88:74a3/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether da:19:53:92:d1:a4 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::d819:53ff:fe92:d1a4/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-38535) 03/25/26 _x86_64_ (4 CPU) 09:54:29 LINUX RESTART (4 CPU) 10:00:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:03 95.56 24.37 67.14 4.04 367.33 11748.26 3721.05 10:20:03 33.50 0.33 16.93 16.24 6.37 448.31 212150.32 10:30:03 8.02 0.14 7.47 0.41 8.09 252.05 1097.73 10:40:03 19.88 0.03 18.94 0.91 1.55 868.29 1677.07 10:50:01 9.51 0.01 9.08 0.42 0.70 284.45 163.86 11:00:03 5.44 0.00 5.25 0.18 0.50 144.38 60.25 11:10:03 5.25 0.01 5.06 0.17 1.05 147.65 101.55 11:20:01 5.25 0.00 5.06 0.19 0.31 153.63 100.17 11:30:03 8.61 0.03 8.18 0.40 4.18 559.89 111.33 11:40:03 7.80 0.01 7.46 0.34 0.51 284.15 567.55 Average: 19.90 2.50 15.07 2.33 39.13 1491.29 21971.34 10:00:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:03 5640592 9072672 6858724 41.89 266456 3141984 7791856 44.73 2294240 7854952 928 10:20:03 3669936 7134976 8797604 53.73 271528 3169924 9545716 54.79 2347164 9758864 764 10:30:03 6140340 9632644 6299296 38.47 272628 3196084 7051192 40.47 2356012 7269028 6456 10:40:03 10094584 13737584 2199780 13.44 278368 3341100 2955192 16.96 2395516 3312300 336 10:50:01 7675252 11357476 4578520 27.96 279600 3379084 5277616 30.29 2397992 5732356 152 11:00:03 7608344 11309232 4626712 28.26 280120 3397228 5338420 30.64 2399072 5786640 532 11:10:03 6009732 9730236 6204856 37.90 280704 3416264 6938688 39.83 2401168 7374104 288 11:20:01 5993200 9735384 6199716 37.87 281300 3437344 6873848 39.46 2404456 7404912 260 11:30:03 7570640 11443164 4492676 27.44 285364 3558288 5262200 30.20 2413292 5812652 292 11:40:03 6800832 10721876 5213832 31.84 286320 3605692 5969052 34.26 2431724 6566288 476 Average: 6720345 10387524 5547172 33.88 278239 3364299 6300378 36.16 2384064 6687210 1048 10:00:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:03 lo 20.09 20.09 16.82 16.82 0.00 0.00 0.00 0.00 10:10:03 ens3 2.95 2.33 8.14 0.60 0.00 0.00 0.00 0.00 10:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:03 lo 41.48 41.48 18.58 18.58 0.00 0.00 0.00 0.00 10:20:03 ens3 2.45 1.52 0.53 0.38 0.00 0.00 0.00 0.00 10:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:03 lo 24.93 24.93 10.87 10.87 0.00 0.00 0.00 0.00 10:30:03 ens3 1.58 0.77 0.30 1.31 0.00 0.00 0.00 0.00 10:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:03 lo 12.63 12.63 6.22 6.22 0.00 0.00 0.00 0.00 10:40:03 ens3 1.08 0.95 0.25 0.21 0.00 0.00 0.00 0.00 10:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:50:01 lo 18.68 18.68 10.00 10.00 0.00 0.00 0.00 0.00 10:50:01 ens3 1.38 0.86 0.29 0.20 0.00 0.00 0.00 0.00 10:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:03 lo 24.65 24.65 9.02 9.02 0.00 0.00 0.00 0.00 11:00:03 ens3 1.02 0.51 0.25 0.17 0.00 0.00 0.00 0.00 11:00:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:03 lo 18.44 18.44 8.63 8.63 0.00 0.00 0.00 0.00 11:10:03 ens3 0.89 0.48 0.21 0.14 0.00 0.00 0.00 0.00 11:10:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:20:01 lo 17.44 17.44 9.94 9.94 0.00 0.00 0.00 0.00 11:20:01 ens3 1.17 0.56 0.23 0.15 0.00 0.00 0.00 0.00 11:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:30:03 lo 16.57 16.57 9.40 9.40 0.00 0.00 0.00 0.00 11:30:03 ens3 1.22 0.75 0.34 0.24 0.00 0.00 0.00 0.00 11:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:40:03 lo 18.99 18.99 8.30 8.30 0.00 0.00 0.00 0.00 11:40:03 ens3 1.28 0.66 0.27 0.18 0.00 0.00 0.00 0.00 11:40:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.39 21.39 10.78 10.78 0.00 0.00 0.00 0.00 Average: ens3 1.50 0.94 1.08 0.36 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-38535) 03/25/26 _x86_64_ (4 CPU) 09:54:29 LINUX RESTART (4 CPU) 10:00:02 CPU %user %nice %system %iowait %steal %idle 10:10:03 all 55.72 0.00 2.16 0.21 0.12 41.78 10:10:03 0 54.61 0.00 2.16 0.16 0.13 42.95 10:10:03 1 55.72 0.00 2.11 0.30 0.12 41.74 10:10:03 2 57.02 0.00 2.29 0.17 0.12 40.40 10:10:03 3 55.55 0.00 2.08 0.24 0.12 42.02 10:20:03 all 39.70 0.00 1.43 0.08 0.12 58.67 10:20:03 0 39.02 0.00 1.41 0.03 0.12 59.43 10:20:03 1 40.80 0.00 1.40 0.10 0.12 57.58 10:20:03 2 39.47 0.00 1.42 0.06 0.12 58.92 10:20:03 3 39.49 0.00 1.49 0.13 0.12 58.77 10:30:03 all 18.97 0.00 0.89 0.03 0.09 80.03 10:30:03 0 19.37 0.00 0.96 0.03 0.09 79.55 10:30:03 1 17.92 0.00 0.93 0.02 0.10 81.04 10:30:03 2 19.05 0.00 0.82 0.04 0.09 79.99 10:30:03 3 19.52 0.00 0.84 0.01 0.09 79.54 10:40:03 all 29.62 0.00 1.03 0.06 0.09 69.20 10:40:03 0 30.39 0.00 0.83 0.04 0.09 68.65 10:40:03 1 28.73 0.00 1.20 0.09 0.09 69.88 10:40:03 2 29.80 0.00 0.97 0.08 0.09 69.06 10:40:03 3 29.55 0.00 1.12 0.05 0.09 69.19 10:50:01 all 19.27 0.00 0.73 0.03 0.08 79.88 10:50:01 0 19.30 0.00 0.72 0.01 0.08 79.89 10:50:01 1 19.54 0.00 0.65 0.03 0.09 79.69 10:50:01 2 19.94 0.00 0.79 0.04 0.08 79.15 10:50:01 3 18.30 0.00 0.79 0.02 0.08 80.81 11:00:03 all 8.97 0.00 0.55 0.02 0.07 90.38 11:00:03 0 9.31 0.00 0.48 0.05 0.06 90.10 11:00:03 1 8.97 0.00 0.58 0.02 0.08 90.36 11:00:03 2 9.03 0.00 0.61 0.01 0.07 90.28 11:00:03 3 8.59 0.00 0.52 0.02 0.07 90.80 11:10:03 all 10.27 0.00 0.48 0.02 0.07 89.16 11:10:03 0 9.55 0.00 0.44 0.01 0.06 89.93 11:10:03 1 10.73 0.00 0.51 0.02 0.08 88.66 11:10:03 2 10.14 0.00 0.51 0.02 0.07 89.26 11:10:03 3 10.64 0.00 0.47 0.02 0.07 88.80 11:20:01 all 10.24 0.00 0.51 0.02 0.08 89.16 11:20:01 0 9.81 0.00 0.49 0.02 0.08 89.60 11:20:01 1 10.62 0.00 0.51 0.01 0.08 88.78 11:20:01 2 10.60 0.00 0.58 0.02 0.08 88.71 11:20:01 3 9.95 0.00 0.44 0.01 0.07 89.53 11:30:03 all 13.56 0.00 0.54 0.05 0.07 85.79 11:30:03 0 13.27 0.00 0.49 0.00 0.07 86.16 11:30:03 1 14.43 0.00 0.54 0.03 0.07 84.92 11:30:03 2 13.16 0.00 0.50 0.01 0.07 86.25 11:30:03 3 13.37 0.00 0.61 0.14 0.08 85.80 11:40:03 all 14.54 0.00 0.55 0.03 0.07 84.82 11:40:03 0 14.14 0.00 0.53 0.02 0.07 85.25 11:40:03 1 14.93 0.00 0.55 0.03 0.08 84.42 11:40:03 2 15.19 0.00 0.57 0.02 0.07 84.14 11:40:03 3 13.89 0.00 0.54 0.04 0.07 85.46 Average: all 22.07 0.00 0.89 0.05 0.09 76.90 Average: 0 21.86 0.00 0.85 0.04 0.08 77.17 Average: 1 22.23 0.00 0.90 0.06 0.09 76.72 Average: 2 22.33 0.00 0.91 0.05 0.09 76.63 Average: 3 21.87 0.00 0.89 0.07 0.09 77.08