---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-29175 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: 5600.00 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 685 8279 4 7024 14961 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:da:72:63 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.3/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83906sec preferred_lft 83906sec inet6 fe80::f816:3eff:feda:7263/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 82:99:14:a1:bf:d4 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-29175) 06/21/26 _x86_64_ (4 CPU) 11:27:49 LINUX RESTART (4 CPU) 11:30:20 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 11:40:12 27.10 3.04 21.52 2.54 165.52 3747.91 4338.10 11:50:20 26.75 0.01 23.86 2.87 0.20 2245.90 9597.74 12:00:20 18.37 0.03 16.71 1.63 0.36 3520.88 6339.41 Average: 24.07 1.01 20.71 2.35 54.64 3165.08 6781.12 11:30:20 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 11:40:12 10214564 13720624 2238388 13.67 136312 3495232 2784608 15.98 648244 5130076 25324 11:50:20 8986220 12883640 3071852 18.76 156204 3833304 3080704 17.68 763888 6173556 14084 12:00:20 5913372 10672864 5279808 32.25 169780 4648436 5126512 29.43 1026132 8959508 316 Average: 8371385 12425709 3530016 21.56 154099 3992324 3663941 21.03 812755 6754380 13241 11:30:20 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 11:40:12 lo 1301.01 1301.01 1233.94 1233.94 0.00 0.00 0.00 0.00 11:40:12 ens3 117.73 91.15 987.09 18.71 0.00 0.00 0.00 0.00 11:40:12 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:50:20 lo 1195.96 1195.96 1139.38 1139.38 0.00 0.00 0.00 0.00 11:50:20 ens3 36.81 28.92 19.49 10.81 0.00 0.00 0.00 0.00 11:50:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 12:00:20 lo 637.49 637.49 2811.98 2811.98 0.00 0.00 0.00 0.00 12:00:20 ens3 29.03 21.36 19.98 7.57 0.00 0.00 0.00 0.00 12:00:20 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1044.36 1044.36 1728.03 1728.03 0.00 0.00 0.00 0.00 Average: ens3 60.84 46.87 338.01 12.33 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-29175) 06/21/26 _x86_64_ (4 CPU) 11:27:49 LINUX RESTART (4 CPU) 11:30:20 CPU %user %nice %system %iowait %steal %idle 11:40:12 all 51.54 0.00 2.03 0.07 0.07 46.29 11:40:12 0 52.43 0.00 1.73 0.05 0.08 45.71 11:40:12 1 51.21 0.00 2.10 0.07 0.07 46.56 11:40:12 2 51.67 0.00 2.14 0.05 0.08 46.06 11:40:12 3 50.85 0.00 2.15 0.10 0.07 46.83 11:50:20 all 64.80 0.00 2.27 0.05 0.09 32.79 11:50:20 0 65.28 0.00 2.27 0.04 0.09 32.31 11:50:20 1 64.97 0.00 2.11 0.07 0.09 32.76 11:50:20 2 65.33 0.00 2.41 0.04 0.09 32.13 11:50:20 3 63.64 0.00 2.28 0.04 0.09 33.95 12:00:20 all 37.62 0.00 1.47 0.07 0.08 60.76 12:00:20 0 36.42 0.00 1.54 0.03 0.08 61.93 12:00:20 1 39.00 0.00 1.52 0.13 0.08 59.27 12:00:20 2 38.19 0.00 1.54 0.05 0.08 60.14 12:00:20 3 36.86 0.00 1.29 0.08 0.08 61.69 Average: all 51.37 0.00 1.92 0.06 0.08 46.56 Average: 0 51.43 0.00 1.85 0.04 0.08 46.60 Average: 1 51.78 0.00 1.91 0.09 0.08 46.13 Average: 2 51.78 0.00 2.03 0.05 0.08 46.06 Average: 3 50.50 0.00 1.91 0.07 0.08 47.44