---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-27358 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 11G 68G 14% / 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 664 10499 4 4824 14981 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:f5:4f:4f brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.104/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83385sec preferred_lft 83385sec inet6 fe80::f816:3eff:fef5:4f4f/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 62:b5:f9:6f:b5:a0 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-27358) 06/14/26 _x86_64_ (4 CPU) 09:10:19 LINUX RESTART (4 CPU) 09:20:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 09:30:01 15.37 0.01 1.98 13.38 0.19 35.65 244231.74 09:40:14 9.79 1.88 7.67 0.24 121.52 1660.24 793.16 09:50:13 11.39 0.46 9.79 1.14 18.04 2215.54 1634.50 10:00:01 31.61 0.75 26.32 4.55 26.70 3800.34 6616.71 Average: 16.93 0.78 11.37 4.78 42.26 1923.38 62678.10 09:20:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 09:30:01 13031668 15504076 470948 2.88 99476 2562340 1006980 5.78 341580 2672608 48 09:40:14 11186280 14222608 1740100 10.63 120868 3065008 2122996 12.19 497460 4343448 34920 09:50:13 9604980 13279184 2677608 16.35 150956 3610584 3113916 17.87 660408 5678720 23920 10:00:01 10790268 15373836 576616 3.52 175556 4438328 1097908 6.30 911184 4168640 14640 Average: 11153299 14594926 1366318 8.34 136714 3419065 1835450 10.54 602658 4215854 18382 09:20:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 09:30:01 lo 0.10 0.10 0.01 0.01 0.00 0.00 0.00 0.00 09:30:01 ens3 6.48 5.65 102.56 0.74 0.00 0.00 0.00 0.00 09:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:40:14 lo 0.41 0.41 0.04 0.04 0.00 0.00 0.00 0.00 09:40:14 ens3 58.71 51.85 579.17 15.05 0.00 0.00 0.00 0.00 09:40:14 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 09:50:13 lo 1.46 1.46 0.15 0.15 0.00 0.00 0.00 0.00 09:50:13 ens3 66.33 49.62 102.65 17.47 0.00 0.00 0.00 0.00 09:50:13 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:00:01 lo 1812.19 1812.19 1714.54 1714.54 0.00 0.00 0.00 0.00 10:00:01 ens3 123.36 110.42 424.18 195.04 0.00 0.00 0.00 0.00 10:00:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 445.91 445.91 421.46 421.46 0.00 0.00 0.00 0.00 Average: ens3 63.58 54.25 303.71 56.36 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-27358) 06/14/26 _x86_64_ (4 CPU) 09:10:19 LINUX RESTART (4 CPU) 09:20:09 CPU %user %nice %system %iowait %steal %idle 09:30:01 all 0.22 0.00 0.05 0.04 0.02 99.67 09:30:01 0 0.03 0.00 0.05 0.15 0.02 99.76 09:30:01 1 0.25 0.00 0.07 0.00 0.02 99.66 09:30:01 2 0.55 0.00 0.04 0.01 0.03 99.38 09:30:01 3 0.06 0.00 0.03 0.01 0.01 99.89 09:40:14 all 21.00 0.00 0.69 1.66 0.05 76.59 09:40:14 0 21.99 0.00 0.79 1.25 0.05 75.93 09:40:14 1 20.39 0.00 0.64 2.24 0.05 76.68 09:40:14 2 21.74 0.00 0.67 0.90 0.06 76.63 09:40:14 3 19.88 0.00 0.67 2.27 0.04 77.13 09:50:13 all 71.90 0.00 2.29 0.16 0.11 25.54 09:50:13 0 70.46 0.00 2.28 0.11 0.11 27.04 09:50:13 1 71.44 0.00 2.30 0.14 0.11 26.00 09:50:13 2 72.62 0.00 2.50 0.25 0.11 24.52 09:50:13 3 73.08 0.00 2.06 0.16 0.11 24.58 10:00:01 all 43.21 0.00 2.23 0.52 0.08 53.96 10:00:01 0 45.47 0.00 2.04 0.84 0.08 51.57 10:00:01 1 42.43 0.00 2.47 0.53 0.08 54.49 10:00:01 2 43.31 0.00 2.14 0.38 0.08 54.09 10:00:01 3 41.64 0.00 2.25 0.33 0.08 55.69 Average: all 34.04 0.00 1.31 0.60 0.06 63.98 Average: 0 34.45 0.00 1.29 0.59 0.06 63.61 Average: 1 33.59 0.00 1.37 0.74 0.06 64.24 Average: 2 34.51 0.00 1.33 0.39 0.07 63.70 Average: 3 33.62 0.00 1.25 0.70 0.06 64.37