---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-22494 5.15.0-174-generic #184-Ubuntu SMP Fri Mar 13 18:41:50 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 13G 65G 17% / 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 675 8245 4 7067 14971 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:9b:6b:ab brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.242/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83763sec preferred_lft 83763sec inet6 fe80::f816:3eff:fe9b:6bab/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether e2:74:e0:cb:71:34 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-22494) 06/02/26 _x86_64_ (4 CPU) 07:02:20 LINUX RESTART (4 CPU) 07:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:20:10 34.69 11.77 20.43 2.49 136.03 2257.99 11161.50 07:30:02 31.66 0.01 28.14 3.51 0.12 3427.51 27830.90 07:40:01 4.91 0.02 4.69 0.21 0.24 2803.35 1674.83 Average: 23.78 3.99 17.72 2.07 46.15 2823.98 13483.10 07:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:20:10 8684776 12667956 3287732 20.08 149408 3916476 3272892 18.79 794852 6463644 185176 07:30:02 8656764 12840212 3113736 19.02 170784 4078404 3189740 18.31 870676 6399164 56976 07:40:01 7772960 13050640 2899964 17.71 176396 5128204 2856792 16.40 1126404 6975416 437312 Average: 8371500 12852936 3100477 18.94 165529 4374361 3106475 17.83 930644 6612741 226488 07:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:20:10 lo 1250.70 1250.70 1185.57 1185.57 0.00 0.00 0.00 0.00 07:20:10 ens3 41.31 32.97 43.44 11.15 0.00 0.00 0.00 0.00 07:20:10 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:02 lo 1354.41 1354.41 1290.71 1290.71 0.00 0.00 0.00 0.00 07:30:02 ens3 42.34 31.88 28.65 11.11 0.00 0.00 0.00 0.00 07:30:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:40:01 lo 2558.00 2558.00 9306.15 9306.15 0.00 0.00 0.00 0.00 07:40:01 ens3 14.65 11.32 78.25 2.92 0.00 0.00 0.00 0.00 07:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1719.97 1719.97 3923.37 3923.37 0.00 0.00 0.00 0.00 Average: ens3 32.77 25.40 50.17 8.40 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 5.15.0-174-generic (prd-ubuntu2204-docker-4c-4g-22494) 06/02/26 _x86_64_ (4 CPU) 07:02:20 LINUX RESTART (4 CPU) 07:10:01 CPU %user %nice %system %iowait %steal %idle 07:20:10 all 66.47 0.08 2.31 0.30 0.12 30.72 07:20:10 0 66.80 0.09 2.44 0.33 0.12 30.21 07:20:10 1 64.97 0.00 2.22 0.35 0.12 32.33 07:20:10 2 66.66 0.20 2.38 0.37 0.12 30.26 07:20:10 3 67.43 0.00 2.21 0.16 0.12 30.08 07:30:02 all 53.56 0.00 2.37 6.85 0.12 37.11 07:30:02 0 52.64 0.00 2.38 3.49 0.12 41.37 07:30:02 1 54.00 0.00 2.43 4.95 0.11 38.51 07:30:02 2 54.07 0.00 2.59 8.62 0.12 34.61 07:30:02 3 53.51 0.00 2.07 10.34 0.12 33.95 07:40:01 all 31.14 0.00 1.18 0.27 0.09 67.32 07:40:01 0 27.17 0.00 1.12 0.24 0.09 71.38 07:40:01 1 25.04 0.00 1.19 0.14 0.09 73.55 07:40:01 2 39.54 0.00 1.31 0.19 0.10 58.86 07:40:01 3 32.83 0.00 1.09 0.49 0.09 65.49 Average: all 50.45 0.03 1.95 2.44 0.11 45.02 Average: 0 48.95 0.03 1.98 1.34 0.11 47.59 Average: 1 48.05 0.00 1.94 1.79 0.11 48.11 Average: 2 53.49 0.07 2.09 3.02 0.11 41.22 Average: 3 51.33 0.00 1.79 3.61 0.11 43.15