---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-14299 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 16% / 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 649 8392 4 6947 14997 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:58:c5:73 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.230/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84161sec preferred_lft 84161sec inet6 fe80::f816:3eff:fe58:c573/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 9a:d9:2c:3c:40:68 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-14299) 05/14/26 _x86_64_ (4 CPU) 06:56:09 LINUX RESTART (4 CPU) 07:00:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:10:00 23.33 0.10 20.41 2.82 8.21 2268.62 6542.39 07:20:00 34.04 0.02 30.46 3.55 0.28 2614.74 13334.07 07:30:00 12.60 0.32 10.97 1.31 12.01 9501.26 2053.49 Average: 23.32 0.15 20.61 2.56 6.84 4795.26 7309.21 07:00:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:10:00 9582520 13190952 2767112 16.90 141496 3583464 2736844 15.71 705228 5698716 29536 07:20:00 8826328 12878020 3076688 18.79 162176 3974908 3125860 17.94 827788 6292636 49104 07:30:00 8622632 15376048 570288 3.48 183824 6569132 1118932 6.42 1756632 5447380 26448 Average: 9010493 13815007 2138029 13.06 162499 4709168 2327212 13.36 1096549 5812911 35029 07:00:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:10:00 lo 1319.60 1319.60 1251.05 1251.05 0.00 0.00 0.00 0.00 07:10:00 ens3 52.58 42.35 73.53 13.83 0.00 0.00 0.00 0.00 07:10:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:20:00 lo 1452.38 1452.38 1383.79 1383.79 0.00 0.00 0.00 0.00 07:20:00 ens3 43.72 34.86 30.78 12.44 0.00 0.00 0.00 0.00 07:20:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:30:00 lo 2427.83 2427.83 9284.94 9284.94 0.00 0.00 0.00 0.00 07:30:00 ens3 44.20 42.60 132.60 367.63 0.00 0.00 0.00 0.00 07:30:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1733.33 1733.33 3973.71 3973.71 0.00 0.00 0.00 0.00 Average: ens3 46.83 39.94 78.97 131.32 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-14299) 05/14/26 _x86_64_ (4 CPU) 06:56:09 LINUX RESTART (4 CPU) 07:00:00 CPU %user %nice %system %iowait %steal %idle 07:10:00 all 69.49 0.00 2.41 0.04 0.11 27.95 07:10:00 0 68.86 0.00 2.13 0.05 0.11 28.86 07:10:00 1 68.34 0.00 2.18 0.03 0.12 29.33 07:10:00 2 70.74 0.00 2.69 0.05 0.11 26.41 07:10:00 3 70.00 0.00 2.65 0.03 0.11 27.21 07:20:00 all 64.91 0.00 2.68 0.07 0.12 32.23 07:20:00 0 64.14 0.00 2.80 0.07 0.12 32.87 07:20:00 1 63.60 0.00 2.38 0.10 0.12 33.80 07:20:00 2 66.53 0.00 2.84 0.07 0.12 30.43 07:20:00 3 65.35 0.00 2.69 0.04 0.12 31.81 07:30:00 all 38.90 0.00 1.43 0.13 0.09 59.44 07:30:00 0 47.43 0.00 1.93 0.23 0.10 50.32 07:30:00 1 36.44 0.00 1.36 0.19 0.09 61.92 07:30:00 2 30.16 0.00 1.00 0.09 0.08 68.67 07:30:00 3 41.58 0.00 1.45 0.03 0.09 56.85 Average: all 57.75 0.00 2.17 0.08 0.11 39.89 Average: 0 60.13 0.00 2.28 0.12 0.11 37.36 Average: 1 56.12 0.00 1.97 0.11 0.11 41.69 Average: 2 55.78 0.00 2.18 0.07 0.10 41.87 Average: 3 58.97 0.00 2.26 0.03 0.10 38.63