---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-9503 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 15% / 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 691 9732 4 5565 14955 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:29:df:8d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.240/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84562sec preferred_lft 84562sec inet6 fe80::f816:3eff:fe29:df8d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ce:f1:4d:96:fd:21 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-9503) 02/11/26 _x86_64_ (4 CPU) 12:37:26 LINUX RESTART (4 CPU) 12:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 12:50:00 29.03 2.84 23.77 2.43 355.23 5029.66 11983.66 13:00:01 32.03 0.07 28.61 3.36 1.52 5948.80 16675.53 Average: 30.54 1.45 26.20 2.89 177.84 5490.62 14336.69 12:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 12:50:00 9867680 13538964 2417036 14.76 154488 3614428 2690336 15.44 775432 5299764 20716 13:00:01 7952056 13039368 2910356 17.78 186788 4925176 3176916 18.24 1074628 6844584 29428 Average: 8909868 13289166 2663696 16.27 170638 4269802 2933626 16.84 925030 6072174 25072 12:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 12:50:00 lo 835.61 835.61 795.69 795.69 0.00 0.00 0.00 0.00 12:50:00 ens3 106.02 77.49 796.84 17.88 0.00 0.00 0.00 0.00 12:50:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 13:00:01 lo 1293.12 1293.12 1231.82 1231.82 0.00 0.00 0.00 0.00 13:00:01 ens3 55.23 43.59 228.80 12.77 0.00 0.00 0.00 0.00 13:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1065.05 1065.05 1014.42 1014.42 0.00 0.00 0.00 0.00 Average: ens3 80.55 60.49 511.96 15.32 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-9503) 02/11/26 _x86_64_ (4 CPU) 12:37:26 LINUX RESTART (4 CPU) 12:40:03 CPU %user %nice %system %iowait %steal %idle 12:50:00 all 64.70 0.00 2.25 0.11 0.11 32.83 12:50:00 0 64.71 0.00 2.20 0.12 0.11 32.87 12:50:00 1 64.41 0.00 2.31 0.09 0.11 33.09 12:50:00 2 65.26 0.00 2.17 0.11 0.10 32.35 12:50:00 3 64.43 0.00 2.32 0.11 0.11 33.03 13:00:01 all 57.36 0.00 2.40 0.12 0.11 40.01 13:00:01 0 57.23 0.00 2.45 0.11 0.11 40.11 13:00:01 1 58.85 0.00 2.24 0.19 0.11 38.62 13:00:01 2 56.46 0.00 2.34 0.09 0.11 41.00 13:00:01 3 56.91 0.00 2.56 0.10 0.11 40.33 Average: all 61.02 0.00 2.32 0.11 0.11 36.43 Average: 0 60.96 0.00 2.33 0.11 0.11 36.50 Average: 1 61.62 0.00 2.27 0.14 0.11 35.86 Average: 2 60.85 0.00 2.25 0.10 0.11 36.69 Average: 3 60.66 0.00 2.44 0.10 0.11 36.69