---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-11076 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 661 8169 4 7157 14985 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:03:bd:ed brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.171/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84199sec preferred_lft 84199sec inet6 fe80::f816:3eff:fe03:bded/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c2:76:2f:d4:35:10 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-11076) 05/05/26 _x86_64_ (4 CPU) 10:06:39 LINUX RESTART (4 CPU) 10:10:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:20:07 28.94 0.83 24.78 3.33 418.06 3753.55 15170.74 10:30:08 34.16 0.02 30.61 3.53 0.25 2799.45 26831.83 10:40:01 12.49 0.32 10.87 1.30 12.20 9552.59 1822.47 Average: 25.27 0.39 22.15 2.73 144.86 5344.71 14669.21 10:10:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:20:07 9221172 13040528 2916324 17.81 145612 3787044 2932308 16.83 840400 5918208 34332 10:30:08 7991756 12834732 3117572 19.04 166024 4743736 3051596 17.52 1137960 6786828 560156 10:40:01 8401044 15369920 575524 3.52 186388 6778244 1116536 6.41 1894860 5531624 732 Average: 8537991 13748393 2203140 13.46 166008 5103008 2366813 13.59 1291073 6078887 198407 10:10:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:20:07 lo 1522.24 1522.24 1444.97 1444.97 0.00 0.00 0.00 0.00 10:20:07 ens3 68.48 50.99 183.41 14.42 0.00 0.00 0.00 0.00 10:20:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:08 lo 1436.71 1436.71 1368.73 1368.73 0.00 0.00 0.00 0.00 10:30:08 ens3 47.03 36.04 51.32 12.60 0.00 0.00 0.00 0.00 10:30:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:40:01 lo 2468.66 2468.66 9404.65 9404.65 0.00 0.00 0.00 0.00 10:40:01 ens3 42.93 47.42 134.31 535.36 0.00 0.00 0.00 0.00 10:40:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1805.36 1805.36 4040.88 4040.88 0.00 0.00 0.00 0.00 Average: ens3 52.90 44.82 123.12 185.37 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-11076) 05/05/26 _x86_64_ (4 CPU) 10:06:39 LINUX RESTART (4 CPU) 10:10:01 CPU %user %nice %system %iowait %steal %idle 10:20:07 all 69.30 0.00 2.56 0.08 0.10 27.96 10:20:07 0 69.58 0.00 2.30 0.05 0.10 27.97 10:20:07 1 68.40 0.00 2.30 0.09 0.10 29.10 10:20:07 2 70.14 0.00 2.71 0.05 0.10 27.00 10:20:07 3 69.08 0.00 2.94 0.12 0.10 27.76 10:30:08 all 63.20 0.00 2.59 0.07 0.10 34.04 10:30:08 0 62.67 0.00 2.57 0.08 0.10 34.57 10:30:08 1 63.14 0.00 2.59 0.05 0.10 34.11 10:30:08 2 62.92 0.00 2.70 0.08 0.11 34.19 10:30:08 3 64.07 0.00 2.48 0.08 0.10 33.27 10:40:01 all 36.74 0.00 1.33 0.12 0.08 61.74 10:40:01 0 35.13 0.00 1.09 0.10 0.08 63.60 10:40:01 1 41.10 0.00 1.18 0.15 0.08 57.49 10:40:01 2 30.29 0.00 1.22 0.04 0.07 68.37 10:40:01 3 40.45 0.00 1.81 0.19 0.08 57.47 Average: all 56.52 0.00 2.16 0.09 0.09 41.13 Average: 0 55.91 0.00 1.99 0.08 0.09 41.93 Average: 1 57.64 0.00 2.03 0.10 0.09 40.14 Average: 2 54.58 0.00 2.22 0.06 0.09 43.05 Average: 3 57.97 0.00 2.41 0.13 0.09 39.39