---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-33637 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 703 11021 3 4264 14943 Swap: 1023 2 1021 ---> 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:d4:d3:17 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.105/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 78856sec preferred_lft 78856sec inet6 fe80::f816:3eff:fed4:d317/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 3e:43:71:ff:66:f1 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::3c43:71ff:feff:66f1/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-33637) 03/25/26 _x86_64_ (4 CPU) 07:34:26 LINUX RESTART (4 CPU) 07:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:50:01 96.55 23.30 69.62 3.64 371.09 20256.93 11962.68 08:00:01 23.06 1.36 20.59 1.11 22.31 594.65 763.27 08:10:01 23.37 0.22 7.56 15.58 7.46 268.58 211287.24 08:20:01 15.10 0.10 14.32 0.67 2.67 705.16 345.93 08:30:01 12.26 0.01 11.73 0.52 0.39 370.58 207.62 08:40:01 5.15 0.00 4.99 0.15 0.29 132.57 135.14 08:50:01 4.58 0.01 4.40 0.18 0.23 135.46 93.37 09:00:01 4.46 0.02 4.27 0.18 1.24 137.64 79.46 09:10:01 4.77 0.01 4.57 0.19 0.79 149.49 59.93 09:20:01 10.41 0.03 9.95 0.43 3.68 589.42 103.59 09:30:01 6.89 0.01 6.64 0.24 0.60 197.14 208.65 09:40:01 9.28 2.04 6.43 0.81 113.18 264.83 248.83 Average: 17.99 2.26 13.75 1.98 43.66 1983.51 18815.59 07:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:50:01 169300 3869744 12060476 73.66 263704 3394948 13081632 75.09 2062032 13518244 1292 08:00:01 2722264 6149828 9783696 59.75 265660 3138444 10769200 61.82 2076920 10982432 268 08:10:01 6237808 9698000 6236756 38.09 268856 3167880 6979936 40.06 2092704 7471036 344 08:20:01 10150376 13742172 2196296 13.41 274180 3293644 2932260 16.83 2131684 3527568 284 08:30:01 7693532 11337964 4599340 28.09 275812 3344624 5381976 30.89 2135280 5982808 244 08:40:01 7591056 11251460 4685620 28.62 276284 3360084 5446024 31.26 2136456 6079284 252 08:50:01 7748456 11428336 4508664 27.54 276760 3379104 5197240 29.83 2137608 5921904 272 09:00:01 6161904 9861944 6074328 37.10 277496 3398508 6732408 38.64 2140012 7493864 260 09:10:01 6153900 9876360 6059972 37.01 278092 3420316 6766904 38.84 2143432 7509312 372 09:20:01 7461216 11317620 4619064 28.21 282488 3543588 5356356 30.75 2152292 6191756 304 09:30:01 9478004 13385436 2552672 15.59 283156 3593752 3651372 20.96 2170968 4153960 25280 09:40:01 11328904 15309016 629884 3.85 286912 3654608 1285600 7.38 2214856 2262816 26456 Average: 6908060 10602323 5333897 32.58 275783 3390792 6131742 35.20 2132854 6757915 4636 07:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:50:01 lo 16.80 16.80 15.04 15.04 0.00 0.00 0.00 0.00 07:50:01 ens3 36.40 26.69 644.61 3.06 0.00 0.00 0.00 0.00 07:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:01 lo 45.78 45.78 20.08 20.08 0.00 0.00 0.00 0.00 08:00:01 ens3 2.14 1.85 0.45 1.03 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 08:10:01 lo 22.50 22.50 10.40 10.40 0.00 0.00 0.00 0.00 08:10:01 ens3 0.95 0.56 0.21 0.41 0.00 0.00 0.00 0.00 08:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:20:01 lo 11.24 11.24 5.49 5.49 0.00 0.00 0.00 0.00 08:20:01 ens3 1.13 0.77 0.27 0.21 0.00 0.00 0.00 0.00 08:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:30:01 lo 15.89 15.89 7.48 7.48 0.00 0.00 0.00 0.00 08:30:01 ens3 0.87 0.58 0.19 0.14 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 08:40:01 lo 13.41 13.41 7.31 7.31 0.00 0.00 0.00 0.00 08:40:01 ens3 0.71 0.54 0.16 0.12 0.00 0.00 0.00 0.00 08:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:01 lo 24.53 24.53 8.22 8.22 0.00 0.00 0.00 0.00 08:50:01 ens3 0.92 0.42 0.21 0.13 0.00 0.00 0.00 0.00 08:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:01 lo 13.26 13.26 6.89 6.89 0.00 0.00 0.00 0.00 09:00:01 ens3 1.02 0.52 0.29 0.20 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 09:10:01 lo 14.74 14.74 8.73 8.73 0.00 0.00 0.00 0.00 09:10:01 ens3 0.87 0.50 0.19 0.14 0.00 0.00 0.00 0.00 09:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:01 lo 17.59 17.59 9.92 9.92 0.00 0.00 0.00 0.00 09:20:01 ens3 1.94 0.89 0.56 0.37 0.00 0.00 0.00 0.00 09:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:30:01 lo 17.07 17.07 6.93 6.93 0.00 0.00 0.00 0.00 09:30:01 ens3 1.31 0.67 0.28 0.18 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:01 lo 20.17 20.17 7.91 7.91 0.00 0.00 0.00 0.00 09:40:01 ens3 3.81 2.42 2.21 1.26 0.00 0.00 0.00 0.00 09:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 19.41 19.41 9.53 9.53 0.00 0.00 0.00 0.00 Average: ens3 4.34 3.03 54.14 0.60 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-33637) 03/25/26 _x86_64_ (4 CPU) 07:34:26 LINUX RESTART (4 CPU) 07:40:01 CPU %user %nice %system %iowait %steal %idle 07:50:01 all 57.52 0.00 2.42 0.54 0.15 39.36 07:50:01 0 56.53 0.00 2.37 0.22 0.15 40.73 07:50:01 1 59.41 0.00 2.53 0.63 0.15 37.28 07:50:01 2 55.92 0.00 2.43 1.04 0.15 40.47 07:50:01 3 58.23 0.00 2.37 0.27 0.15 38.98 08:00:01 all 50.62 0.00 2.01 0.06 0.18 47.13 08:00:01 0 50.74 0.00 1.87 0.02 0.17 47.20 08:00:01 1 50.57 0.00 2.06 0.15 0.18 47.04 08:00:01 2 50.53 0.00 2.14 0.04 0.18 47.11 08:00:01 3 50.66 0.00 1.96 0.05 0.17 47.16 08:10:01 all 19.41 0.00 0.92 0.05 0.09 79.53 08:10:01 0 19.11 0.00 0.82 0.04 0.09 79.95 08:10:01 1 19.68 0.00 0.94 0.02 0.09 79.27 08:10:01 2 20.03 0.00 1.06 0.12 0.10 78.69 08:10:01 3 18.81 0.00 0.87 0.01 0.08 80.22 08:20:01 all 23.79 0.00 0.93 0.04 0.09 75.14 08:20:01 0 23.75 0.00 0.83 0.06 0.09 75.27 08:20:01 1 24.69 0.00 0.84 0.03 0.09 74.35 08:20:01 2 23.09 0.00 1.10 0.06 0.09 75.66 08:20:01 3 23.62 0.00 0.96 0.03 0.10 75.31 08:30:01 all 19.85 0.00 0.67 0.03 0.08 79.37 08:30:01 0 19.50 0.00 0.68 0.05 0.07 79.70 08:30:01 1 20.08 0.00 0.76 0.04 0.08 79.04 08:30:01 2 19.02 0.00 0.64 0.03 0.08 80.24 08:30:01 3 20.81 0.00 0.59 0.02 0.08 78.50 08:40:01 all 8.28 0.00 0.41 0.02 0.06 91.23 08:40:01 0 8.26 0.00 0.36 0.02 0.05 91.30 08:40:01 1 8.57 0.00 0.46 0.01 0.06 90.90 08:40:01 2 8.33 0.00 0.44 0.02 0.06 91.15 08:40:01 3 7.97 0.00 0.37 0.01 0.06 91.59 08:50:01 all 8.41 0.00 0.42 0.02 0.07 91.09 08:50:01 0 7.82 0.00 0.37 0.01 0.06 91.74 08:50:01 1 8.51 0.00 0.46 0.01 0.07 90.94 08:50:01 2 8.62 0.00 0.43 0.03 0.07 90.85 08:50:01 3 8.68 0.00 0.41 0.02 0.07 90.83 09:00:01 all 9.55 0.00 0.46 0.02 0.07 89.89 09:00:01 0 9.30 0.00 0.35 0.03 0.06 90.26 09:00:01 1 9.94 0.00 0.51 0.01 0.07 89.46 09:00:01 2 9.68 0.00 0.51 0.03 0.09 89.70 09:00:01 3 9.30 0.00 0.47 0.01 0.08 90.14 09:10:01 all 9.96 0.00 0.54 0.12 0.07 89.32 09:10:01 0 9.81 0.00 0.51 0.32 0.05 89.30 09:10:01 1 10.39 0.00 0.61 0.01 0.07 88.90 09:10:01 2 9.68 0.00 0.55 0.02 0.07 89.68 09:10:01 3 9.94 0.00 0.48 0.12 0.06 89.40 09:20:01 all 13.95 0.00 0.59 0.04 0.08 85.33 09:20:01 0 14.84 0.00 0.59 0.03 0.07 84.47 09:20:01 1 13.95 0.00 0.65 0.03 0.07 85.30 09:20:01 2 13.30 0.00 0.58 0.04 0.08 86.00 09:20:01 3 13.73 0.00 0.56 0.07 0.08 85.56 09:30:01 all 11.43 0.00 0.58 0.02 0.07 87.89 09:30:01 0 10.95 0.00 0.44 0.01 0.06 88.55 09:30:01 1 11.92 0.00 0.65 0.04 0.07 87.31 09:30:01 2 11.74 0.00 0.67 0.02 0.08 87.49 09:30:01 3 11.11 0.00 0.57 0.02 0.07 88.22 09:30:01 CPU %user %nice %system %iowait %steal %idle 09:40:01 all 8.27 0.00 0.60 0.08 0.07 90.99 09:40:01 0 8.60 0.00 0.59 0.08 0.07 90.66 09:40:01 1 7.85 0.00 0.59 0.14 0.07 91.35 09:40:01 2 7.73 0.00 0.60 0.04 0.07 91.55 09:40:01 3 8.89 0.00 0.63 0.05 0.06 90.37 Average: all 20.08 0.00 0.88 0.09 0.09 78.87 Average: 0 19.92 0.00 0.82 0.07 0.08 79.10 Average: 1 20.45 0.00 0.92 0.09 0.09 78.44 Average: 2 19.79 0.00 0.93 0.12 0.09 79.07 Average: 3 20.14 0.00 0.85 0.06 0.09 78.87