---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-12901 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 13G 66G 16% / 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 638 8648 4 6701 15007 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:ac:38:b7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.34/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83945sec preferred_lft 83945sec inet6 fe80::f816:3eff:feac:38b7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether fa:5a:fb:78:d1:48 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-12901) 02/17/26 _x86_64_ (4 CPU) 13:11:08 LINUX RESTART (4 CPU) 13:20:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 13:30:02 21.41 0.05 19.00 2.36 5.19 2037.78 4336.71 13:40:01 28.31 0.00 25.33 2.98 0.09 2590.92 76294.26 13:50:02 14.59 0.13 12.96 1.49 6.48 8764.17 41149.09 Average: 21.43 0.06 19.09 2.28 3.92 4468.39 40569.72 13:20:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 13:30:02 9211740 13046196 2909384 17.77 148912 3794896 2905268 16.68 848728 5907396 11604 13:40:01 8339848 12672868 3280644 20.04 163748 4249632 3291708 18.89 956392 6647004 216960 13:50:02 8881288 15382680 562800 3.44 180476 6333264 1090640 6.26 1746896 5203032 176 Average: 8810959 13700581 2250943 13.75 164379 4792597 2429205 13.94 1184005 5919144 76247 13:20:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 13:30:02 lo 1175.51 1175.51 1112.89 1112.89 0.00 0.00 0.00 0.00 13:30:02 ens3 38.19 30.78 24.85 10.41 0.00 0.00 0.00 0.00 13:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:40:01 lo 1623.38 1623.38 1547.43 1547.43 0.00 0.00 0.00 0.00 13:40:01 ens3 29.65 25.61 22.15 9.31 0.00 0.00 0.00 0.00 13:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:50:02 lo 245.72 245.72 6825.52 6825.52 0.00 0.00 0.00 0.00 13:50:02 ens3 80.93 87.65 115.83 1020.91 0.00 0.00 0.00 0.00 13:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1013.95 1013.95 3165.45 3165.45 0.00 0.00 0.00 0.00 Average: ens3 49.62 48.06 54.34 347.55 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-12901) 02/17/26 _x86_64_ (4 CPU) 13:11:08 LINUX RESTART (4 CPU) 13:20:02 CPU %user %nice %system %iowait %steal %idle 13:30:02 all 61.72 0.00 2.10 2.36 0.11 33.70 13:30:02 0 62.03 0.00 1.86 0.65 0.11 35.35 13:30:02 1 59.44 0.00 2.05 0.25 0.11 38.15 13:30:02 2 62.56 0.00 2.20 6.30 0.11 28.83 13:30:02 3 62.87 0.00 2.27 2.25 0.12 32.48 13:40:01 all 52.47 0.00 2.17 8.86 0.11 36.39 13:40:01 0 51.62 0.00 2.21 3.21 0.11 42.85 13:40:01 1 51.48 0.00 2.38 10.49 0.12 35.53 13:40:01 2 54.58 0.00 1.78 11.46 0.11 32.07 13:40:01 3 52.18 0.00 2.30 10.28 0.12 35.11 13:50:02 all 35.73 0.00 1.08 0.49 0.09 62.62 13:50:02 0 40.05 0.00 1.14 0.23 0.09 58.48 13:50:02 1 32.92 0.00 1.12 0.32 0.08 65.56 13:50:02 2 34.20 0.00 1.01 1.26 0.09 63.44 13:50:02 3 35.74 0.00 1.03 0.14 0.10 63.00 Average: all 49.95 0.00 1.78 3.89 0.11 44.28 Average: 0 51.22 0.00 1.74 1.36 0.10 45.58 Average: 1 47.92 0.00 1.85 3.67 0.11 46.46 Average: 2 50.42 0.00 1.66 6.33 0.10 41.49 Average: 3 50.24 0.00 1.87 4.21 0.11 43.57