---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-18511 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 67G 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 618 10464 4 4906 15028 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:a0:9c:7c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.81/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84784sec preferred_lft 84784sec inet6 fe80::f816:3eff:fea0:9c7c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:85:b9:57:a7:51 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-18511) 03/23/26 _x86_64_ (4 CPU) 19:34:13 LINUX RESTART (4 CPU) 19:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 19:50:04 3.76 0.07 3.50 0.19 7.08 630.98 62.81 20:00:05 23.87 0.80 20.85 2.22 30.13 6105.56 14509.68 Average: 13.81 0.44 12.17 1.20 18.60 3366.60 7281.86 19:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 19:50:04 9683596 12801472 3160452 19.30 117348 3159524 3342548 19.19 540004 5808336 1288 20:00:05 10728172 15395808 559340 3.42 143408 4622236 1087820 6.24 914628 4299788 54476 Average: 10205884 14098640 1859896 11.36 130378 3890880 2215184 12.72 727316 5054062 27882 19:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 19:50:04 lo 0.62 0.62 0.38 0.38 0.00 0.00 0.00 0.00 19:50:04 ens3 12.35 10.09 37.07 2.74 0.00 0.00 0.00 0.00 19:50:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:00:05 lo 451.16 451.16 428.10 428.10 0.00 0.00 0.00 0.00 20:00:05 ens3 59.96 47.29 511.44 53.87 0.00 0.00 0.00 0.00 20:00:05 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 225.75 225.75 214.11 214.11 0.00 0.00 0.00 0.00 Average: ens3 36.14 28.68 274.11 28.29 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-18511) 03/23/26 _x86_64_ (4 CPU) 19:34:13 LINUX RESTART (4 CPU) 19:40:03 CPU %user %nice %system %iowait %steal %idle 19:50:04 all 48.29 0.00 0.68 0.01 0.07 50.95 19:50:04 0 57.64 0.00 0.80 0.00 0.07 41.48 19:50:04 1 39.14 0.00 0.69 0.02 0.08 60.07 19:50:04 2 52.65 0.00 0.61 0.01 0.07 46.67 19:50:04 3 43.77 0.00 0.60 0.02 0.07 55.54 20:00:05 all 50.10 0.00 1.40 0.13 0.07 48.29 20:00:05 0 43.41 0.00 1.45 0.07 0.08 54.99 20:00:05 1 70.60 0.00 1.34 0.12 0.07 27.87 20:00:05 2 45.56 0.00 1.49 0.20 0.07 52.67 20:00:05 3 40.87 0.00 1.34 0.13 0.07 57.59 Average: all 49.20 0.00 1.04 0.07 0.07 49.62 Average: 0 50.53 0.00 1.13 0.04 0.07 48.23 Average: 1 54.83 0.00 1.02 0.07 0.07 44.01 Average: 2 49.11 0.00 1.05 0.11 0.07 49.67 Average: 3 42.32 0.00 0.97 0.07 0.07 56.56