---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-452772 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 645 10525 4 4817 15001 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:e3:d3:48 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.14/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84507sec preferred_lft 84507sec inet6 fe80::f816:3eff:fee3:d348/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether f6:6b:83:46:19:b4 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-452772) 03/12/26 _x86_64_ (4 CPU) 14:38:32 LINUX RESTART (4 CPU) 14:40:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 14:50:30 22.42 2.76 18.62 1.04 159.36 3581.73 690.38 15:00:16 11.06 0.50 9.58 0.99 17.85 2357.27 391.38 15:10:01 28.50 0.57 23.28 4.64 21.41 3709.56 4051.21 Average: 20.70 1.31 17.19 2.19 68.48 3224.86 1685.34 14:40:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 14:50:30 11041420 14063056 1898660 11.60 120620 3054440 2674176 15.35 504384 4485316 28532 15:00:16 9856256 13556540 2399140 14.65 157448 3630208 2921912 16.77 680588 5416176 25696 15:10:01 10783340 15362188 587596 3.59 180680 4429616 1110372 6.37 955016 4157996 12644 Average: 10560339 14327261 1628465 9.95 152916 3704755 2235487 12.83 713329 4686496 22291 14:40:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 14:50:30 lo 0.69 0.69 0.08 0.08 0.00 0.00 0.00 0.00 14:50:30 ens3 86.21 68.88 779.37 13.44 0.00 0.00 0.00 0.00 14:50:30 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:00:16 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 15:00:16 ens3 61.26 49.05 142.24 16.18 0.00 0.00 0.00 0.00 15:00:16 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 15:10:01 lo 1537.27 1537.27 1453.77 1453.77 0.00 0.00 0.00 0.00 15:10:01 ens3 121.42 110.57 428.60 202.85 0.00 0.00 0.00 0.00 15:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 500.30 500.30 472.54 472.54 0.00 0.00 0.00 0.00 Average: ens3 89.53 75.98 458.06 75.89 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-452772) 03/12/26 _x86_64_ (4 CPU) 14:38:32 LINUX RESTART (4 CPU) 14:40:01 CPU %user %nice %system %iowait %steal %idle 14:50:30 all 28.85 0.00 1.13 1.08 0.07 68.87 14:50:30 0 28.93 0.00 1.06 2.57 0.07 67.37 14:50:30 1 28.39 0.00 1.06 1.05 0.07 69.42 14:50:30 2 29.57 0.00 1.24 0.35 0.07 68.78 14:50:30 3 28.52 0.00 1.15 0.35 0.07 69.92 15:00:16 all 73.24 0.00 2.25 0.13 0.14 24.23 15:00:16 0 73.24 0.00 1.84 0.14 0.14 24.63 15:00:16 1 71.27 0.00 2.51 0.15 0.14 25.92 15:00:16 2 73.35 0.00 2.34 0.11 0.15 24.06 15:00:16 3 75.11 0.00 2.31 0.12 0.14 22.32 15:10:01 all 41.16 0.00 2.18 0.68 0.09 55.89 15:10:01 0 40.57 0.00 2.30 1.22 0.09 55.82 15:10:01 1 42.68 0.00 2.25 0.58 0.09 54.39 15:10:01 2 40.66 0.00 2.32 0.33 0.09 56.61 15:10:01 3 40.72 0.00 1.87 0.61 0.09 56.72 Average: all 47.28 0.00 1.84 0.64 0.10 50.14 Average: 0 47.12 0.00 1.72 1.34 0.10 49.72 Average: 1 46.97 0.00 1.92 0.61 0.10 50.40 Average: 2 47.40 0.00 1.95 0.26 0.10 50.29 Average: 3 47.64 0.00 1.76 0.36 0.10 50.14