---> uname -a: Linux prd-ubuntu2204-docker-8c-8g-18931 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): 8 On-line CPU(s) list: 0-7 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): 8 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: 256 KiB (8 instances) L1i cache: 256 KiB (8 instances) L2 cache: 4 MiB (8 instances) L3 cache: 128 MiB (8 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-7 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: 8 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 3.2G 1.1M 3.2G 1% /run /dev/vda1 155G 12G 144G 8% / tmpfs 16G 0 16G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 3.2G 4.0K 3.2G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 32092 920 25048 4 6122 30703 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:3e:31:f7 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.164/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84417sec preferred_lft 84417sec inet6 fe80::f816:3eff:fe3e:31f7/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 36:dc:0f:d6:45:c4 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-8c-8g-18931) 02/19/26 _x86_64_ (8 CPU) 12:00:58 LINUX RESTART (8 CPU) 12:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:20:13 46.14 0.14 27.78 18.22 6.06 2460.29 507136.74 12:30:01 34.83 0.01 30.59 4.23 0.14 3041.04 13522.34 Average: 40.59 0.08 29.16 11.36 3.15 2745.13 265038.82 12:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:20:13 25785536 29514328 2791648 8.49 190476 3741708 2788812 8.22 796848 5788780 45916 12:30:01 24561476 28981864 3320000 10.10 215648 4358576 3291516 9.71 941828 6833084 182312 Average: 25173506 29248096 3055824 9.30 203062 4050142 3040164 8.97 869338 6310932 114114 12:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:20:13 lo 1670.27 1670.27 1589.12 1589.12 0.00 0.00 0.00 0.00 12:20:13 ens3 20.26 17.42 9.53 6.08 0.00 0.00 0.00 0.00 12:20:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:30:01 lo 1681.96 1681.96 1600.75 1600.75 0.00 0.00 0.00 0.00 12:30:01 ens3 25.01 20.57 9.70 7.28 0.00 0.00 0.00 0.00 12:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1676.00 1676.00 1594.82 1594.82 0.00 0.00 0.00 0.00 Average: ens3 22.59 18.97 9.61 6.67 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-8c-8g-18931) 02/19/26 _x86_64_ (8 CPU) 12:00:58 LINUX RESTART (8 CPU) 12:10:01 CPU %user %nice %system %iowait %steal %idle 12:20:13 all 35.71 0.00 1.65 0.06 0.08 62.51 12:20:13 0 34.44 0.00 1.46 0.07 0.08 63.95 12:20:13 1 37.64 0.00 2.08 0.04 0.08 60.15 12:20:13 2 35.84 0.00 1.71 0.15 0.08 62.22 12:20:13 3 40.15 0.00 1.61 0.03 0.09 58.13 12:20:13 4 32.80 0.00 1.43 0.04 0.07 65.66 12:20:13 5 35.16 0.00 1.77 0.04 0.08 62.95 12:20:13 6 36.57 0.00 1.78 0.04 0.08 61.53 12:20:13 7 33.05 0.00 1.36 0.07 0.07 65.46 12:30:01 all 37.72 0.00 1.82 0.05 0.08 60.33 12:30:01 0 35.21 0.00 2.06 0.11 0.08 62.54 12:30:01 1 36.26 0.00 2.08 0.04 0.08 61.54 12:30:01 2 40.13 0.00 1.81 0.03 0.08 57.96 12:30:01 3 35.84 0.00 1.68 0.04 0.08 62.36 12:30:01 4 39.72 0.00 1.89 0.09 0.08 58.23 12:30:01 5 37.41 0.00 1.85 0.02 0.08 60.64 12:30:01 6 41.64 0.00 1.79 0.02 0.08 56.46 12:30:01 7 35.56 0.00 1.42 0.04 0.07 62.91 Average: all 36.69 0.00 1.73 0.05 0.08 61.44 Average: 0 34.82 0.00 1.75 0.09 0.08 63.26 Average: 1 36.97 0.00 2.08 0.04 0.08 60.83 Average: 2 37.94 0.00 1.76 0.09 0.08 60.13 Average: 3 38.03 0.00 1.64 0.04 0.08 60.21 Average: 4 36.19 0.00 1.65 0.06 0.08 62.02 Average: 5 36.26 0.00 1.81 0.03 0.08 61.82 Average: 6 39.06 0.00 1.78 0.03 0.08 59.04 Average: 7 34.28 0.00 1.39 0.05 0.07 64.21