---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-499332 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 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 67G 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 615 10566 4 4807 15030 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:2a:ee:66 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.224/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84730sec preferred_lft 84730sec inet6 fe80::f816:3eff:fe2a:ee66/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether d2:15:a8:f0:ce:47 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-499332) 03/17/26 _x86_64_ (4 CPU) 07:34:39 LINUX RESTART (4 CPU) 07:40:07 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 07:50:07 3.93 0.07 3.67 0.19 7.09 501.59 135.52 08:00:07 18.94 0.52 17.02 1.41 19.00 2343.76 8275.32 Average: 11.43 0.29 10.34 0.80 13.05 1422.67 4205.42 07:40:07 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:50:07 10482132 13534728 2427800 14.83 115936 3097644 2666200 15.30 511112 5041872 25584 08:00:07 10156976 13637736 2320992 14.18 141956 3471660 2499616 14.35 684128 5140952 16928 Average: 10319554 13586232 2374396 14.50 128946 3284652 2582908 14.83 597620 5091412 21256 07:40:07 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:50:07 lo 0.61 0.61 0.38 0.38 0.00 0.00 0.00 0.00 07:50:07 ens3 11.28 9.66 37.04 2.52 0.00 0.00 0.00 0.00 07:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 08:00:07 lo 506.08 506.08 481.99 481.99 0.00 0.00 0.00 0.00 08:00:07 ens3 40.88 29.17 414.23 4.58 0.00 0.00 0.00 0.00 08:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 253.35 253.35 241.18 241.18 0.00 0.00 0.00 0.00 Average: ens3 26.08 19.42 225.63 3.55 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 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-499332) 03/17/26 _x86_64_ (4 CPU) 07:34:39 LINUX RESTART (4 CPU) 07:40:07 CPU %user %nice %system %iowait %steal %idle 07:50:07 all 48.45 0.00 0.69 0.05 0.08 50.73 07:50:07 0 47.66 0.00 0.77 0.01 0.08 51.48 07:50:07 1 50.25 0.00 0.67 0.06 0.08 48.94 07:50:07 2 52.63 0.00 0.64 0.01 0.09 46.63 07:50:07 3 43.25 0.00 0.69 0.12 0.08 55.86 08:00:07 all 55.91 0.00 1.30 0.11 0.09 42.58 08:00:07 0 48.02 0.00 1.02 0.03 0.09 50.83 08:00:07 1 58.65 0.00 1.27 0.09 0.09 39.90 08:00:07 2 69.36 0.00 1.46 0.10 0.11 28.97 08:00:07 3 47.65 0.00 1.46 0.21 0.09 50.59 Average: all 52.18 0.00 1.00 0.08 0.09 46.66 Average: 0 47.84 0.00 0.90 0.02 0.08 51.16 Average: 1 54.45 0.00 0.97 0.07 0.09 44.42 Average: 2 60.99 0.00 1.05 0.06 0.10 37.81 Average: 3 45.45 0.00 1.08 0.17 0.08 53.23