---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-24203 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 12G 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 739 9374 4 5875 14907 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:b4:4f:27 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.152/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83841sec preferred_lft 83841sec inet6 fe80::f816:3eff:feb4:4f27/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 56:1f:f2:fd:a9:0f 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-24203) 02/28/26 _x86_64_ (4 CPU) 20:24:21 LINUX RESTART (4 CPU) 20:30:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 20:40:02 14.55 2.28 11.23 1.04 135.58 3466.87 3320.43 20:50:02 52.05 0.33 43.13 8.58 10.91 4352.86 29782.90 21:00:02 40.97 0.14 33.47 7.36 6.45 5296.07 15386.01 Average: 35.85 0.92 29.27 5.66 51.01 4371.65 16159.20 20:30:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 20:40:02 9991796 13529640 2428432 14.83 155596 3493876 2760480 15.85 668628 5313372 51808 20:50:02 8440048 12957036 2992588 18.28 204624 4344680 3157920 18.13 892532 6560088 105456 21:00:02 9709004 15357564 587432 3.59 242748 5373164 1105216 6.34 1286328 4809956 236 Average: 9380283 13948080 2002817 12.23 200989 4403907 2341205 13.44 949163 5561139 52500 20:30:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 20:40:02 lo 1.26 1.26 0.13 0.13 0.00 0.00 0.00 0.00 20:40:02 ens3 88.30 71.87 526.82 20.10 0.00 0.00 0.00 0.00 20:40:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 20:50:02 lo 4748.51 4748.51 4526.07 4526.07 0.00 0.00 0.00 0.00 20:50:02 ens3 83.28 62.47 301.25 19.67 0.00 0.00 0.00 0.00 20:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 21:00:02 lo 3290.43 3290.43 3131.54 3131.54 0.00 0.00 0.00 0.00 21:00:02 ens3 93.33 71.53 106.07 64.69 0.00 0.00 0.00 0.00 21:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 2679.24 2679.24 2551.80 2551.80 0.00 0.00 0.00 0.00 Average: ens3 88.30 68.62 311.44 34.82 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-24203) 02/28/26 _x86_64_ (4 CPU) 20:24:21 LINUX RESTART (4 CPU) 20:30:01 CPU %user %nice %system %iowait %steal %idle 20:40:02 all 63.56 0.00 2.27 0.07 0.10 34.00 20:40:02 0 64.60 0.00 2.25 0.07 0.10 32.98 20:40:02 1 63.18 0.00 2.42 0.06 0.11 34.23 20:40:02 2 63.42 0.00 2.19 0.05 0.10 34.24 20:40:02 3 63.04 0.00 2.21 0.11 0.10 34.54 20:50:02 all 62.82 0.00 4.23 0.14 0.10 32.70 20:50:02 0 61.15 0.00 4.15 0.14 0.10 34.47 20:50:02 1 63.07 0.00 4.62 0.23 0.10 31.98 20:50:02 2 63.80 0.00 4.40 0.11 0.10 31.59 20:50:02 3 63.27 0.00 3.76 0.10 0.10 32.76 21:00:02 all 55.01 0.00 3.30 0.20 0.10 41.39 21:00:02 0 58.12 0.00 3.48 0.41 0.10 37.89 21:00:02 1 53.63 0.00 3.08 0.08 0.10 43.10 21:00:02 2 55.30 0.00 3.49 0.20 0.10 40.90 21:00:02 3 52.98 0.00 3.14 0.11 0.10 43.67 Average: all 60.46 0.00 3.27 0.14 0.10 36.03 Average: 0 61.29 0.00 3.29 0.21 0.10 35.11 Average: 1 59.96 0.00 3.37 0.12 0.10 36.44 Average: 2 60.84 0.00 3.36 0.12 0.10 35.58 Average: 3 59.76 0.00 3.04 0.11 0.10 36.99