---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-53514 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: 5600.00 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 11G 68G 14% / 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 652 10550 4 4786 14994 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:31:b7:b8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.75/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83642sec preferred_lft 83642sec inet6 fe80::f816:3eff:fe31:b7b8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 52:52:0d:99:95:60 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-4g-53514) 03/27/26 _x86_64_ (4 CPU) 11:46:08 LINUX RESTART (4 CPU) 11:50:11 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:00:13 38.74 2.26 35.88 0.60 133.91 2335.46 698.38 12:10:00 12.33 1.95 10.00 0.39 126.55 2032.13 686.47 12:20:03 12.42 0.48 10.87 1.06 18.16 2203.05 2444.62 12:30:01 32.55 0.71 27.48 4.36 23.62 3884.81 48610.69 Average: 24.06 1.35 21.11 1.60 75.32 2614.75 13112.80 11:50:11 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:00:13 13160532 15532320 447256 2.73 96120 2469088 986840 5.66 337884 2554388 2988 12:10:00 11056320 14078280 1883996 11.51 122268 3049604 2551624 14.65 512096 4451848 37348 12:20:03 9797412 13447968 2508448 15.32 154148 3583604 2946628 16.91 669216 5486688 23980 12:30:01 10838828 15379988 570548 3.48 177272 4395288 1101232 6.32 909608 4118692 200 Average: 11213273 14609639 1352562 8.26 137452 3374396 1896581 10.89 607201 4152904 16129 11:50:11 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:00:13 lo 0.33 0.33 0.04 0.04 0.00 0.00 0.00 0.00 12:00:13 ens3 43.13 30.19 310.12 7.02 0.00 0.00 0.00 0.00 12:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:10:00 lo 0.55 0.55 0.06 0.06 0.00 0.00 0.00 0.00 12:10:00 ens3 73.21 60.08 688.26 12.48 0.00 0.00 0.00 0.00 12:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:20:03 lo 1.38 1.38 0.14 0.14 0.00 0.00 0.00 0.00 12:20:03 ens3 52.10 43.14 50.26 16.50 0.00 0.00 0.00 0.00 12:20:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 lo 1916.40 1916.40 1819.12 1819.12 0.00 0.00 0.00 0.00 12:30:01 ens3 88.45 79.78 403.79 153.87 0.00 0.00 0.00 0.00 12:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 479.61 479.61 454.79 454.79 0.00 0.00 0.00 0.00 Average: ens3 64.12 53.21 360.94 47.46 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-4g-53514) 03/27/26 _x86_64_ (4 CPU) 11:46:08 LINUX RESTART (4 CPU) 11:50:11 CPU %user %nice %system %iowait %steal %idle 12:00:13 all 2.67 0.00 0.34 0.26 0.02 96.71 12:00:13 0 3.12 0.00 0.44 0.39 0.02 96.02 12:00:13 1 3.87 0.00 0.41 0.11 0.02 95.59 12:00:13 2 1.59 0.00 0.26 0.50 0.02 97.64 12:00:13 3 2.11 0.00 0.23 0.06 0.02 97.57 12:10:00 all 31.02 0.00 1.00 0.65 0.07 67.26 12:10:00 0 32.20 0.00 1.00 0.23 0.06 66.50 12:10:00 1 30.90 0.00 1.07 0.46 0.07 67.49 12:10:00 2 30.51 0.00 0.91 1.54 0.07 66.97 12:10:00 3 30.47 0.00 1.03 0.37 0.07 68.06 12:20:03 all 70.77 0.00 2.27 0.80 0.15 26.02 12:20:03 0 69.64 0.00 2.30 0.64 0.14 27.28 12:20:03 1 72.87 0.00 2.36 0.84 0.15 23.79 12:20:03 2 70.79 0.00 2.32 0.86 0.14 25.89 12:20:03 3 69.78 0.00 2.11 0.85 0.15 27.11 12:30:01 all 42.57 0.00 2.21 2.16 0.10 52.95 12:30:01 0 39.96 0.00 2.04 1.42 0.10 56.47 12:30:01 1 42.12 0.00 2.08 2.14 0.10 53.55 12:30:01 2 43.19 0.00 2.47 3.54 0.11 50.69 12:30:01 3 45.03 0.00 2.25 1.54 0.10 51.08 Average: all 36.78 0.00 1.46 0.97 0.09 60.71 Average: 0 36.26 0.00 1.45 0.67 0.08 61.54 Average: 1 37.46 0.00 1.48 0.89 0.09 60.09 Average: 2 36.55 0.00 1.49 1.60 0.09 60.27 Average: 3 36.86 0.00 1.41 0.71 0.09 60.94