---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-10876 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 68G 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 666 10468 4 4855 14980 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:89:82:3b brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.239/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84974sec preferred_lft 84974sec inet6 fe80::f816:3eff:fe89:823b/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 7e:60:fb:d2:77:06 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-10876) 02/15/26 _x86_64_ (4 CPU) 22:46:58 LINUX RESTART (4 CPU) 22:50:04 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 23:00:04 13.92 0.76 11.89 1.27 226.42 3089.59 3082.07 23:10:06 27.91 0.65 23.18 4.08 27.36 3898.94 2949.54 Average: 20.93 0.71 17.54 2.67 126.73 3494.91 3015.70 22:50:04 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 23:00:04 10142704 13758552 2198588 13.43 147004 3566928 2446316 14.04 706512 5119380 18320 23:10:06 10784240 15398492 551744 3.37 173408 4472916 1091596 6.27 981636 4111916 916 Average: 10463472 14578522 1375166 8.40 160206 4019922 1768956 10.15 844074 4615648 9618 22:50:04 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 23:00:04 lo 1.39 1.39 0.14 0.14 0.00 0.00 0.00 0.00 23:00:04 ens3 70.69 56.95 199.64 17.90 0.00 0.00 0.00 0.00 23:00:04 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 23:10:06 lo 1489.74 1489.74 1408.85 1408.85 0.00 0.00 0.00 0.00 23:10:06 ens3 129.62 112.66 417.59 201.46 0.00 0.00 0.00 0.00 23:10:06 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 746.76 746.76 705.63 705.63 0.00 0.00 0.00 0.00 Average: ens3 100.20 84.85 308.79 109.82 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-10876) 02/15/26 _x86_64_ (4 CPU) 22:46:58 LINUX RESTART (4 CPU) 22:50:04 CPU %user %nice %system %iowait %steal %idle 23:00:04 all 74.00 0.00 2.28 0.05 0.10 23.58 23:00:04 0 73.99 0.00 2.53 0.04 0.10 23.34 23:00:04 1 76.69 0.00 2.21 0.05 0.10 20.96 23:00:04 2 72.93 0.00 2.30 0.07 0.10 24.60 23:00:04 3 72.38 0.00 2.07 0.03 0.10 25.42 23:10:06 all 51.81 0.00 2.26 0.08 0.08 45.76 23:10:06 0 54.96 0.00 2.13 0.08 0.08 42.74 23:10:06 1 47.50 0.00 2.18 0.08 0.09 50.16 23:10:06 2 57.27 0.00 2.62 0.09 0.09 39.93 23:10:06 3 47.49 0.00 2.12 0.07 0.08 50.23 Average: all 62.88 0.00 2.27 0.06 0.09 34.69 Average: 0 64.46 0.00 2.33 0.06 0.09 33.06 Average: 1 62.08 0.00 2.20 0.06 0.09 35.57 Average: 2 65.09 0.00 2.46 0.08 0.09 32.28 Average: 3 59.91 0.00 2.10 0.05 0.09 37.85