---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-32319 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 691 8065 4 7232 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:ce:37:d4 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.241/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83744sec preferred_lft 83744sec inet6 fe80::f816:3eff:fece:37d4/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 6e:1f:2a:0f:62:36 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-32319) 07/02/26 _x86_64_ (4 CPU) 08:33:38 LINUX RESTART (4 CPU) 08:40:13 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 08:50:13 23.87 0.43 20.52 2.91 19.75 3014.40 6271.44 09:00:13 33.19 0.01 29.77 3.41 0.17 2425.13 12307.76 09:10:13 7.28 0.02 6.71 0.55 0.32 2937.20 2313.96 Average: 21.44 0.15 19.00 2.29 6.75 2792.24 6964.39 08:40:13 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 08:50:13 8488584 12345584 3611520 22.06 141680 3826312 3574696 20.52 832528 6651708 8336 09:00:13 8476960 12830908 3122980 19.07 162580 4268400 3076980 17.66 950444 6510860 125156 09:10:13 5280136 10262540 5688784 34.74 170068 4867880 5244992 30.11 1161212 9445536 360 Average: 7415227 11813011 4141095 25.29 158109 4320864 3965556 22.76 981395 7536035 44617 08:40:13 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 08:50:13 lo 1440.61 1440.61 1366.92 1366.92 0.00 0.00 0.00 0.00 08:50:13 ens3 54.34 43.52 77.13 13.78 0.00 0.00 0.00 0.00 08:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:00:13 lo 1486.61 1486.61 1416.86 1416.86 0.00 0.00 0.00 0.00 09:00:13 ens3 41.83 32.84 22.46 11.44 0.00 0.00 0.00 0.00 09:00:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:10:13 lo 458.22 458.22 6935.20 6935.20 0.00 0.00 0.00 0.00 09:10:13 ens3 12.83 10.39 8.59 3.79 0.00 0.00 0.00 0.00 09:10:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1128.48 1128.48 3239.66 3239.66 0.00 0.00 0.00 0.00 Average: ens3 36.34 28.92 36.06 9.67 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-32319) 07/02/26 _x86_64_ (4 CPU) 08:33:38 LINUX RESTART (4 CPU) 08:40:13 CPU %user %nice %system %iowait %steal %idle 08:50:13 all 69.37 0.00 2.53 0.16 0.15 27.79 08:50:13 0 69.29 0.00 2.45 0.18 0.13 27.93 08:50:13 1 70.38 0.00 2.94 0.06 0.20 26.43 08:50:13 2 69.17 0.00 2.58 0.14 0.15 27.97 08:50:13 3 68.64 0.00 2.15 0.26 0.13 28.82 09:00:13 all 63.49 0.00 2.57 0.06 0.12 33.76 09:00:13 0 63.12 0.00 2.98 0.11 0.12 33.68 09:00:13 1 63.38 0.00 2.51 0.05 0.12 33.94 09:00:13 2 65.18 0.00 2.25 0.05 0.12 32.39 09:00:13 3 62.28 0.00 2.53 0.05 0.12 35.02 09:10:13 all 32.98 0.00 1.08 0.06 0.08 65.80 09:10:13 0 33.67 0.00 1.46 0.04 0.09 64.74 09:10:13 1 23.17 0.00 1.02 0.05 0.08 75.67 09:10:13 2 36.54 0.00 0.94 0.09 0.08 62.35 09:10:13 3 38.57 0.00 0.89 0.07 0.08 60.39 Average: all 55.25 0.00 2.06 0.09 0.12 42.48 Average: 0 55.33 0.00 2.30 0.11 0.11 42.15 Average: 1 52.25 0.00 2.16 0.05 0.13 45.41 Average: 2 56.95 0.00 1.92 0.10 0.12 40.91 Average: 3 56.48 0.00 1.86 0.12 0.11 41.43