---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-25979 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 695 10544 4 4748 14951 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:85:f2:93 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.15/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83651sec preferred_lft 83651sec inet6 fe80::f816:3eff:fe85:f293/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d6:e1:67:97:59:ea 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-25979) 03/03/26 _x86_64_ (4 CPU) 09:25:34 LINUX RESTART (4 CPU) 09:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:40:12 1.56 0.05 1.51 0.01 2.82 18.66 213.58 09:50:00 39.26 4.13 34.40 0.74 253.65 3591.54 1057.00 10:00:01 11.48 0.45 9.98 1.05 16.43 2605.86 228.32 10:10:12 28.29 0.56 23.71 4.02 20.24 3749.06 4785.21 Average: 20.02 1.28 17.28 1.46 71.89 2481.45 1581.86 09:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:40:12 13767588 15510672 508232 3.10 54596 1915352 1132204 6.50 194064 2154372 40 09:50:00 11669940 14436052 1528512 9.34 112672 2827056 1909232 10.96 459568 3923568 32696 10:00:01 9915288 13461400 2496140 15.25 147716 3494808 2915328 16.73 649644 5397376 38388 10:10:12 10846024 15347284 603420 3.69 171204 4364328 1114196 6.40 904572 4116868 16 Average: 11549710 14688852 1284076 7.84 121547 3150386 1767740 10.15 551962 3898046 17785 09:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:40:12 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:40:12 ens3 0.35 0.14 0.11 0.06 0.00 0.00 0.00 0.00 09:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:00 lo 0.48 0.48 0.06 0.06 0.00 0.00 0.00 0.00 09:50:00 ens3 98.62 74.10 864.65 14.13 0.00 0.00 0.00 0.00 09:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 10:00:01 ens3 77.59 59.12 141.49 18.35 0.00 0.00 0.00 0.00 10:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:10:12 lo 1605.54 1605.54 1519.80 1519.80 0.00 0.00 0.00 0.00 10:10:12 ens3 104.61 94.03 402.51 165.49 0.00 0.00 0.00 0.00 10:10:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 407.38 407.38 385.21 385.21 0.00 0.00 0.00 0.00 Average: ens3 70.02 56.69 348.50 49.98 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-25979) 03/03/26 _x86_64_ (4 CPU) 09:25:34 LINUX RESTART (4 CPU) 09:30:01 CPU %user %nice %system %iowait %steal %idle 09:40:12 all 0.13 0.00 0.03 0.01 0.02 99.80 09:40:12 0 0.04 0.00 0.03 0.01 0.01 99.91 09:40:12 1 0.02 0.00 0.03 0.00 0.02 99.93 09:40:12 2 0.44 0.00 0.04 0.03 0.03 99.46 09:40:12 3 0.04 0.00 0.03 0.00 0.02 99.91 09:50:00 all 14.59 0.00 0.75 0.27 0.04 84.35 09:50:00 0 14.18 0.00 0.63 0.39 0.04 84.77 09:50:00 1 15.53 0.00 0.80 0.33 0.04 83.30 09:50:00 2 14.97 0.00 0.85 0.18 0.05 83.96 09:50:00 3 13.69 0.00 0.71 0.19 0.05 85.36 10:00:01 all 72.93 0.00 2.28 0.03 0.10 24.65 10:00:01 0 72.01 0.00 2.12 0.02 0.10 25.75 10:00:01 1 73.00 0.00 2.34 0.02 0.10 24.55 10:00:01 2 74.50 0.00 2.19 0.04 0.10 23.17 10:00:01 3 72.23 0.00 2.49 0.05 0.10 25.13 10:10:12 all 48.57 0.00 2.17 0.18 0.08 48.99 10:10:12 0 45.78 0.00 2.18 0.46 0.08 51.51 10:10:12 1 51.77 0.00 2.49 0.08 0.08 45.59 10:10:12 2 51.68 0.00 1.94 0.06 0.08 46.24 10:10:12 3 45.05 0.00 2.09 0.13 0.08 52.64 Average: all 34.05 0.00 1.31 0.12 0.06 64.46 Average: 0 32.98 0.00 1.24 0.22 0.06 65.50 Average: 1 35.07 0.00 1.41 0.11 0.06 63.35 Average: 2 35.39 0.00 1.25 0.08 0.06 63.22 Average: 3 32.73 0.00 1.33 0.09 0.06 65.78