---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-50311 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 701 10255 3 5032 14945 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:1f:d9:1a brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.169/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79873sec preferred_lft 79873sec inet6 fe80::f816:3eff:fe1f:d91a/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether aa:82:63:7b:7f: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 ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-50311) 03/05/26 _x86_64_ (4 CPU) 08:16:54 LINUX RESTART (4 CPU) 08:20:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:30:00 99.50 4.21 91.03 4.27 556.25 31381.84 10271.45 08:40:12 47.82 20.47 25.92 1.43 218.52 1569.98 1002.79 08:50:01 11.10 0.03 10.42 0.65 1.70 322.57 462.94 09:00:13 11.59 0.03 11.09 0.47 1.60 570.03 187.38 09:10:13 16.14 0.02 15.42 0.70 0.63 512.44 606.06 09:20:01 7.54 0.01 7.22 0.31 0.53 226.73 152.84 09:30:03 4.92 0.01 4.73 0.18 1.05 153.15 80.75 09:40:19 21.10 0.09 5.73 15.27 1.16 162.97 205914.42 09:50:01 4.84 0.01 4.66 0.18 0.48 152.63 58.90 10:00:19 8.50 0.02 8.12 0.36 0.89 544.94 98.83 Average: 23.37 2.52 18.43 2.42 78.41 3548.95 22358.47 08:20:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:30:00 1736504 5764816 10163784 62.08 253204 3692908 11459532 65.78 2110292 11867336 17320 08:40:12 3940748 7805148 8127852 49.64 262968 3549484 9838620 56.47 2301492 9522360 2816 08:50:01 1799188 5686528 10244600 62.57 264572 3570832 10979812 63.02 2309912 11648556 628 09:00:13 7501380 11505744 4429220 27.05 269088 3680668 5249364 30.13 2345644 5923840 176 09:10:13 7444348 11524216 4410732 26.94 271780 3753268 5136308 29.48 2351648 5978584 204 09:20:01 7431680 11542752 4392248 26.83 272736 3783484 5165380 29.65 2353592 5987016 328 09:30:03 5946868 10079928 5854176 35.75 273276 3804852 6614084 37.96 2355624 7466396 228 09:40:19 5848860 10010560 5923412 36.18 275836 3830840 6668800 38.28 2365640 7552768 60 09:50:01 7274860 11459592 4475396 27.33 276336 3853372 5247808 30.12 2367928 6125532 452 10:00:19 7037756 11350456 4584040 28.00 280028 3972008 5222280 29.98 2382148 6346156 100 Average: 5596219 9672974 6260546 38.24 269982 3749172 7158199 41.09 2324392 7841854 2231 08:20:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:30:00 lo 12.56 12.56 11.93 11.93 0.00 0.00 0.00 0.00 08:30:00 ens3 69.14 52.11 1082.65 5.51 0.00 0.00 0.00 0.00 08:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:40:12 lo 33.73 33.73 17.09 17.09 0.00 0.00 0.00 0.00 08:40:12 ens3 1.78 1.47 0.39 0.33 0.00 0.00 0.00 0.00 08:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:50:01 lo 28.74 28.74 13.48 13.48 0.00 0.00 0.00 0.00 08:50:01 ens3 0.97 0.76 0.21 0.16 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 09:00:13 lo 18.88 18.88 7.25 7.25 0.00 0.00 0.00 0.00 09:00:13 ens3 0.99 0.71 0.31 0.23 0.00 0.00 0.00 0.00 09:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:13 lo 17.33 17.33 8.50 8.50 0.00 0.00 0.00 0.00 09:10:13 ens3 1.86 1.35 0.54 1.72 0.00 0.00 0.00 0.00 09:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:20:01 lo 18.49 18.49 9.27 9.27 0.00 0.00 0.00 0.00 09:20:01 ens3 0.83 0.59 0.20 0.15 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 09:30:03 lo 27.18 27.18 11.03 11.03 0.00 0.00 0.00 0.00 09:30:03 ens3 0.61 0.43 0.14 0.10 0.00 0.00 0.00 0.00 09:30:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:19 lo 19.24 19.24 10.45 10.45 0.00 0.00 0.00 0.00 09:40:19 ens3 1.02 0.64 0.28 0.20 0.00 0.00 0.00 0.00 09:40:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:01 lo 11.74 11.74 6.12 6.12 0.00 0.00 0.00 0.00 09:50:01 ens3 0.50 0.36 0.10 0.07 0.00 0.00 0.00 0.00 09:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:19 lo 22.78 22.78 10.80 10.80 0.00 0.00 0.00 0.00 10:00:19 ens3 1.02 0.90 0.28 0.23 0.00 0.00 0.00 0.00 10:00:19 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 21.11 21.11 10.61 10.61 0.00 0.00 0.00 0.00 Average: ens3 7.84 5.91 108.01 0.87 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-50311) 03/05/26 _x86_64_ (4 CPU) 08:16:54 LINUX RESTART (4 CPU) 08:20:01 CPU %user %nice %system %iowait %steal %idle 08:30:00 all 52.87 0.00 2.41 0.78 0.12 43.82 08:30:00 0 52.22 0.00 2.27 0.91 0.12 44.49 08:30:00 1 50.77 0.00 2.44 0.60 0.12 46.07 08:30:00 2 56.94 0.00 2.64 0.89 0.12 39.42 08:30:00 3 51.53 0.00 2.29 0.75 0.11 45.33 08:40:12 all 43.91 0.00 1.66 0.16 0.14 54.13 08:40:12 0 42.94 0.00 1.80 0.24 0.13 54.89 08:40:12 1 44.42 0.00 1.62 0.08 0.14 53.75 08:40:12 2 44.03 0.00 1.53 0.22 0.13 54.09 08:40:12 3 44.26 0.00 1.69 0.10 0.14 53.81 08:50:01 all 26.43 0.00 1.09 0.04 0.13 72.32 08:50:01 0 26.60 0.00 1.11 0.06 0.12 72.10 08:50:01 1 25.73 0.00 1.11 0.05 0.13 72.98 08:50:01 2 26.92 0.00 1.05 0.01 0.13 71.89 08:50:01 3 26.46 0.00 1.08 0.04 0.13 72.28 09:00:13 all 15.95 0.00 0.75 0.07 0.12 83.11 09:00:13 0 16.29 0.00 0.67 0.04 0.12 82.88 09:00:13 1 15.99 0.00 0.79 0.08 0.13 83.01 09:00:13 2 15.91 0.00 0.83 0.16 0.11 82.99 09:00:13 3 15.60 0.00 0.73 0.01 0.11 83.55 09:10:13 all 25.14 0.00 0.84 0.09 0.11 73.82 09:10:13 0 24.90 0.00 0.90 0.08 0.10 74.02 09:10:13 1 25.37 0.00 0.86 0.09 0.12 73.56 09:10:13 2 25.22 0.00 0.82 0.02 0.11 73.84 09:10:13 3 25.09 0.00 0.78 0.15 0.11 73.88 09:20:01 all 13.88 0.00 0.60 0.09 0.10 85.33 09:20:01 0 13.25 0.00 0.68 0.20 0.10 85.77 09:20:01 1 14.51 0.00 0.61 0.09 0.10 84.70 09:20:01 2 13.82 0.00 0.57 0.02 0.10 85.49 09:20:01 3 13.96 0.00 0.54 0.06 0.10 85.35 09:30:03 all 10.33 0.00 0.50 0.03 0.10 89.04 09:30:03 0 9.99 0.00 0.56 0.00 0.10 89.35 09:30:03 1 10.77 0.00 0.54 0.04 0.10 88.55 09:30:03 2 10.63 0.00 0.45 0.05 0.10 88.76 09:30:03 3 9.93 0.00 0.46 0.02 0.09 89.50 09:40:19 all 9.68 0.00 0.44 0.29 0.09 89.50 09:40:19 0 9.20 0.00 0.43 0.20 0.09 90.08 09:40:19 1 10.29 0.00 0.43 0.06 0.09 89.14 09:40:19 2 9.70 0.00 0.44 0.68 0.09 89.08 09:40:19 3 9.52 0.00 0.45 0.24 0.10 89.69 09:50:01 all 7.40 0.00 0.36 0.03 0.09 92.11 09:50:01 0 7.08 0.00 0.34 0.02 0.08 92.49 09:50:01 1 7.51 0.00 0.35 0.02 0.10 92.01 09:50:01 2 8.03 0.00 0.45 0.02 0.10 91.41 09:50:01 3 7.00 0.00 0.32 0.06 0.09 92.53 10:00:19 all 14.07 0.00 0.66 0.14 0.10 85.03 10:00:19 0 14.61 0.00 0.62 0.28 0.10 84.40 10:00:19 1 13.77 0.00 0.81 0.13 0.11 85.19 10:00:19 2 14.22 0.00 0.64 0.13 0.10 84.90 10:00:19 3 13.69 0.00 0.57 0.03 0.10 85.62 Average: all 21.99 0.00 0.93 0.17 0.11 76.80 Average: 0 21.73 0.00 0.94 0.20 0.11 77.02 Average: 1 21.94 0.00 0.96 0.12 0.11 76.87 Average: 2 22.56 0.00 0.94 0.22 0.11 76.16 Average: 3 21.72 0.00 0.89 0.15 0.11 77.13