---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-22430 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 735 10643 4 4610 14911 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:28:d1:16 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.227/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79680sec preferred_lft 79680sec inet6 fe80::f816:3eff:fe28:d116/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 42:c9:9f:4c:6f:29 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::40c9:9fff:fe4c:6f29/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-22430) 03/24/26 _x86_64_ (4 CPU) 21:56:07 LINUX RESTART (4 CPU) 22:00:10 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 22:10:01 112.31 5.34 103.15 3.82 980.88 36291.11 10574.72 22:20:00 59.29 23.06 34.37 1.86 277.35 1828.90 1871.25 22:30:04 6.00 0.12 5.62 0.27 6.66 138.90 359.11 22:40:01 7.73 0.04 7.28 0.41 2.21 262.98 656.38 22:50:01 19.81 0.02 18.88 0.91 0.63 803.63 501.17 23:00:16 10.04 0.01 9.60 0.42 0.69 323.15 355.65 23:10:01 4.76 0.01 4.57 0.18 0.57 134.69 150.75 23:20:01 7.23 0.01 6.98 0.23 1.36 244.96 113.69 23:30:20 5.01 0.04 4.76 0.21 2.56 152.37 456.43 23:40:02 26.08 0.10 9.60 16.38 5.38 639.68 217253.68 Average: 25.64 2.87 20.35 2.42 126.49 4031.34 22584.53 22:00:10 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 22:10:01 172092 8465148 7454904 45.53 263756 7811992 9270160 53.21 2283960 13136888 2552 22:20:00 8531776 11979552 3955216 24.16 273548 3154924 5246116 30.11 2195188 5084928 5960 22:30:04 3620200 7077348 8855652 54.09 274600 3163052 9565816 54.91 2199456 9950756 244 22:40:01 6293724 9771492 6163768 37.65 275812 3182448 7030944 40.36 2206016 7308132 304 22:50:01 10064876 13691520 2246088 13.72 281596 3324628 2960572 16.99 2245908 3509348 11328 23:00:16 7751876 11417684 4518608 27.60 282828 3362528 5207028 29.89 2248756 5811476 292 23:10:01 7722408 11405884 4530380 27.67 283352 3379676 5220052 29.96 2250052 5822940 252 23:20:01 10345808 14067608 1869932 11.42 284080 3417268 3001340 17.23 2254848 3217512 824 23:30:20 8809152 12554284 3383100 20.66 284688 3439996 4383000 25.16 2257776 4748124 360 23:40:02 7292760 11173460 4762660 29.09 289308 3565620 5346948 30.69 2277888 6234488 224 Average: 7060467 11160398 4774031 29.16 279357 3780213 5723198 32.85 2241985 6482459 2234 22:00:10 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 22:10:01 lo 3.66 3.66 4.93 4.93 0.00 0.00 0.00 0.00 22:10:01 ens3 127.60 97.93 1626.62 9.67 0.00 0.00 0.00 0.00 22:10:01 docker0 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.00 22:20:00 lo 46.46 46.46 25.17 25.17 0.00 0.00 0.00 0.00 22:20:00 ens3 2.36 1.97 0.53 0.45 0.00 0.00 0.00 0.00 22:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:30:04 lo 26.75 26.75 10.12 10.12 0.00 0.00 0.00 0.00 22:30:04 ens3 1.21 1.12 0.20 1.14 0.00 0.00 0.00 0.00 22:30:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:40:01 lo 9.97 9.97 6.19 6.19 0.00 0.00 0.00 0.00 22:40:01 ens3 1.58 0.40 0.28 0.12 0.00 0.00 0.00 0.00 22:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 22:50:01 lo 12.65 12.65 6.22 6.22 0.00 0.00 0.00 0.00 22:50:01 ens3 1.00 0.82 0.25 0.20 0.00 0.00 0.00 0.00 22:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:00:16 lo 19.76 19.76 10.30 10.30 0.00 0.00 0.00 0.00 23:00:16 ens3 0.93 0.71 0.22 0.17 0.00 0.00 0.00 0.00 23:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:01 lo 23.33 23.33 8.60 8.60 0.00 0.00 0.00 0.00 23:10:01 ens3 1.09 0.48 0.22 0.13 0.00 0.00 0.00 0.00 23:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:20:01 lo 24.27 24.27 11.04 11.04 0.00 0.00 0.00 0.00 23:20:01 ens3 0.80 0.54 0.17 0.12 0.00 0.00 0.00 0.00 23:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:30:20 lo 17.32 17.32 10.16 10.16 0.00 0.00 0.00 0.00 23:30:20 ens3 0.74 0.53 0.16 0.12 0.00 0.00 0.00 0.00 23:30:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:40:02 lo 18.83 18.83 10.47 10.47 0.00 0.00 0.00 0.00 23:40:02 ens3 1.47 0.92 0.38 0.28 0.00 0.00 0.00 0.00 23:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.32 20.32 10.33 10.33 0.00 0.00 0.00 0.00 Average: ens3 13.70 10.41 160.65 1.23 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-22430) 03/24/26 _x86_64_ (4 CPU) 21:56:07 LINUX RESTART (4 CPU) 22:00:10 CPU %user %nice %system %iowait %steal %idle 22:10:01 all 45.48 0.00 2.22 0.48 0.08 51.73 22:10:01 0 47.11 0.00 1.92 0.59 0.08 50.30 22:10:01 1 46.21 0.00 2.40 0.51 0.08 50.80 22:10:01 2 45.40 0.00 2.41 0.47 0.08 51.62 22:10:01 3 43.19 0.00 2.17 0.35 0.08 54.21 22:20:00 all 60.43 0.00 2.35 0.09 0.11 37.03 22:20:00 0 60.30 0.00 2.46 0.13 0.11 37.01 22:20:00 1 60.42 0.00 2.72 0.08 0.11 36.68 22:20:00 2 60.53 0.00 2.13 0.09 0.11 37.14 22:20:00 3 60.48 0.00 2.07 0.05 0.11 37.30 22:30:04 all 9.89 0.00 0.54 0.03 0.08 89.47 22:30:04 0 9.66 0.00 0.52 0.02 0.08 89.72 22:30:04 1 9.72 0.00 0.56 0.03 0.08 89.61 22:30:04 2 10.27 0.00 0.53 0.05 0.08 89.07 22:30:04 3 9.90 0.00 0.54 0.01 0.08 89.47 22:40:01 all 16.02 0.00 0.61 0.03 0.07 83.26 22:40:01 0 16.04 0.00 0.60 0.02 0.07 83.27 22:40:01 1 16.12 0.00 0.68 0.04 0.07 83.08 22:40:01 2 15.79 0.00 0.62 0.03 0.07 83.49 22:40:01 3 16.15 0.00 0.55 0.03 0.08 83.19 22:50:01 all 30.33 0.00 1.11 0.06 0.09 68.41 22:50:01 0 30.34 0.00 1.17 0.02 0.09 68.39 22:50:01 1 31.39 0.00 1.23 0.08 0.09 67.22 22:50:01 2 29.37 0.00 0.95 0.04 0.09 69.55 22:50:01 3 30.24 0.00 1.09 0.12 0.09 68.47 23:00:16 all 18.10 0.00 0.65 0.03 0.08 81.14 23:00:16 0 17.53 0.00 0.64 0.02 0.08 81.74 23:00:16 1 18.65 0.00 0.63 0.02 0.09 80.61 23:00:16 2 18.37 0.00 0.70 0.03 0.08 80.82 23:00:16 3 17.84 0.00 0.63 0.04 0.08 81.41 23:10:01 all 8.42 0.00 0.52 0.03 0.08 90.95 23:10:01 0 8.56 0.00 0.50 0.01 0.08 90.86 23:10:01 1 8.29 0.00 0.51 0.06 0.08 91.06 23:10:01 2 8.82 0.00 0.55 0.02 0.08 90.53 23:10:01 3 8.01 0.00 0.53 0.01 0.09 91.35 23:20:01 all 12.85 0.00 0.53 0.02 0.09 86.50 23:20:01 0 12.74 0.00 0.50 0.02 0.09 86.66 23:20:01 1 13.08 0.00 0.63 0.02 0.09 86.17 23:20:01 2 13.32 0.00 0.50 0.03 0.09 86.06 23:20:01 3 12.27 0.00 0.50 0.03 0.09 87.12 23:30:20 all 10.71 0.00 0.43 0.02 0.09 88.76 23:30:20 0 10.66 0.00 0.43 0.00 0.08 88.83 23:30:20 1 10.48 0.00 0.40 0.02 0.09 89.01 23:30:20 2 10.54 0.00 0.47 0.02 0.09 88.88 23:30:20 3 11.14 0.00 0.40 0.03 0.08 88.34 23:40:02 all 16.38 0.00 0.66 0.06 0.08 82.82 23:40:02 0 15.58 0.00 0.58 0.02 0.08 83.75 23:40:02 1 17.65 0.00 0.69 0.09 0.08 81.48 23:40:02 2 16.14 0.00 0.64 0.03 0.08 83.11 23:40:02 3 16.15 0.00 0.71 0.11 0.09 82.94 Average: all 22.83 0.00 0.96 0.08 0.09 76.04 Average: 0 22.82 0.00 0.93 0.08 0.08 76.08 Average: 1 23.17 0.00 1.04 0.09 0.09 75.60 Average: 2 22.82 0.00 0.95 0.08 0.08 76.06 Average: 3 22.52 0.00 0.92 0.08 0.09 76.40