---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-20166 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 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 647 10195 4 5146 14999 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:72:85:c9 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.73/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84882sec preferred_lft 84882sec inet6 fe80::f816:3eff:fe72:85c9/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:1e:d5:74:05:48 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-20166) 02/23/26 _x86_64_ (4 CPU) 11:27:37 LINUX RESTART (4 CPU) 11:30:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:40:04 10.84 0.85 9.28 0.71 636.32 2151.63 29793.65 11:50:01 13.98 0.54 12.63 0.81 19.61 1958.21 1932.47 Average: 12.41 0.69 10.95 0.76 328.65 2055.14 15894.24 11:30:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:40:04 8119324 11450388 4510892 27.55 117900 3373416 4743564 27.23 689336 7218344 196 11:50:01 9001300 13061660 2895472 17.68 140364 4040316 3084312 17.70 894048 6090972 278692 Average: 8560312 12256024 3703182 22.62 129132 3706866 3913938 22.47 791692 6654658 139444 11:30:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:40:04 lo 0.71 0.71 0.39 0.39 0.00 0.00 0.00 0.00 11:40:04 ens3 33.61 25.54 356.56 3.72 0.00 0.00 0.00 0.00 11:40:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:01 lo 321.56 321.56 306.06 306.06 0.00 0.00 0.00 0.00 11:50:01 ens3 35.78 27.12 411.12 3.68 0.00 0.00 0.00 0.00 11:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 160.78 160.78 152.88 152.88 0.00 0.00 0.00 0.00 Average: ens3 34.69 26.32 383.78 3.70 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-20166) 02/23/26 _x86_64_ (4 CPU) 11:27:37 LINUX RESTART (4 CPU) 11:30:04 CPU %user %nice %system %iowait %steal %idle 11:40:04 all 49.32 0.00 0.87 0.07 0.08 49.66 11:40:04 0 55.11 0.00 0.90 0.10 0.08 43.81 11:40:04 1 43.88 0.00 0.85 0.05 0.08 55.14 11:40:04 2 52.47 0.00 0.96 0.06 0.08 46.43 11:40:04 3 45.84 0.00 0.76 0.06 0.07 53.26 11:50:01 all 50.09 0.00 1.03 0.07 0.09 48.73 11:50:01 0 42.35 0.00 0.82 0.10 0.08 56.66 11:50:01 1 41.13 0.00 1.23 0.04 0.09 57.52 11:50:01 2 53.78 0.00 0.98 0.10 0.08 45.05 11:50:01 3 63.11 0.00 1.08 0.03 0.09 35.69 Average: all 49.70 0.00 0.95 0.07 0.08 49.20 Average: 0 48.74 0.00 0.86 0.10 0.08 50.23 Average: 1 42.51 0.00 1.04 0.05 0.09 56.32 Average: 2 53.13 0.00 0.97 0.08 0.08 45.74 Average: 3 54.46 0.00 0.92 0.05 0.08 44.49