---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-26683 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 703 11159 4 4126 14943 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:29:b1:88 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.147/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79296sec preferred_lft 79296sec inet6 fe80::f816:3eff:fe29:b188/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:07:e3:e7:e7:62 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::c407:e3ff:fee7:e762/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-16g-26683) 03/25/26 _x86_64_ (4 CPU) 00:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 00:10:09 5.08 0.26 4.64 0.18 8.76 150.15 278.03 00:20:09 11.65 0.04 11.03 0.59 4.37 685.55 197.38 00:30:01 6.15 0.04 5.91 0.19 1.95 186.17 255.17 Average: 7.62 0.11 7.19 0.32 5.05 340.59 243.61 00:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 00:10:09 6640644 9848076 6091948 37.21 284336 2966524 6877092 39.47 2303348 6915856 420 00:20:09 7899896 11259288 4681504 28.59 288388 3108692 5370128 30.82 2319688 5653660 192 00:30:01 7155220 10542912 5397380 32.96 289120 3136236 6024312 34.58 2331560 6353956 188 Average: 7231920 10550092 5390277 32.92 287281 3070484 6090511 34.96 2318199 6307824 267 00:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 00:10:09 lo 17.52 17.52 10.44 10.44 0.00 0.00 0.00 0.00 00:10:09 ens3 0.69 0.49 0.14 0.10 0.00 0.00 0.00 0.00 00:10:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:20:09 lo 18.64 18.64 10.17 10.17 0.00 0.00 0.00 0.00 00:20:09 ens3 0.94 0.98 0.25 0.22 0.00 0.00 0.00 0.00 00:20:09 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 00:30:01 lo 31.14 31.14 11.99 11.99 0.00 0.00 0.00 0.00 00:30:01 ens3 0.99 0.59 0.24 0.17 0.00 0.00 0.00 0.00 00:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 22.37 22.37 10.86 10.86 0.00 0.00 0.00 0.00 Average: ens3 0.88 0.69 0.21 0.16 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-26683) 03/25/26 _x86_64_ (4 CPU) 00:00:01 CPU %user %nice %system %iowait %steal %idle 00:10:09 all 9.97 0.00 0.50 0.03 0.07 89.43 00:10:09 0 9.69 0.00 0.49 0.04 0.06 89.73 00:10:09 1 10.24 0.00 0.43 0.06 0.07 89.19 00:10:09 2 9.78 0.00 0.43 0.01 0.07 89.71 00:10:09 3 10.19 0.00 0.64 0.02 0.07 89.08 00:20:09 all 19.60 0.00 0.76 0.04 0.07 79.53 00:20:09 0 19.26 0.00 0.78 0.07 0.07 79.82 00:20:09 1 20.92 0.00 0.82 0.03 0.07 78.15 00:20:09 2 19.23 0.00 0.69 0.04 0.07 79.97 00:20:09 3 18.98 0.00 0.74 0.03 0.07 80.18 00:30:01 all 10.02 0.00 0.41 0.02 0.07 89.48 00:30:01 0 10.18 0.00 0.36 0.04 0.07 89.35 00:30:01 1 9.92 0.00 0.48 0.01 0.07 89.53 00:30:01 2 9.53 0.00 0.44 0.01 0.07 89.95 00:30:01 3 10.45 0.00 0.37 0.02 0.07 89.10 Average: all 13.20 0.00 0.56 0.03 0.07 86.14 Average: 0 13.04 0.00 0.54 0.05 0.07 86.30 Average: 1 13.70 0.00 0.58 0.03 0.07 85.62 Average: 2 12.86 0.00 0.52 0.02 0.07 86.53 Average: 3 13.21 0.00 0.59 0.02 0.07 86.11