---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-24145 5.15.0-168-generic #178-Ubuntu SMP Fri Jan 9 19:05:03 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 12G 66G 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 624 9027 4 6337 15022 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:84:6a:2d brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.191/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84126sec preferred_lft 84126sec inet6 fe80::f816:3eff:fe84:6a2d/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether de:dc:86:e2:0a:da 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-24145) 02/28/26 _x86_64_ (4 CPU) 10:39:20 LINUX RESTART (4 CPU) 10:40:09 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:02 13.28 1.31 11.39 0.58 61.36 1837.07 497.59 11:00:08 30.16 2.92 24.48 2.77 159.43 3931.09 5384.31 11:10:08 48.52 0.02 30.75 17.75 0.83 2684.65 249596.99 Average: 30.72 1.42 22.25 7.04 74.27 2825.78 85151.69 10:40:09 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:02 13243500 15542736 441576 2.70 91936 2404452 986564 5.66 309408 2512592 712 11:00:08 9878488 13234028 2725760 16.65 135732 3353404 2974336 17.07 665432 5462824 5156 11:10:08 8859504 12801820 3153904 19.26 157088 3879036 3338156 19.16 807992 6292156 125084 Average: 10660497 13859528 2107080 12.87 128252 3212297 2433019 13.97 594277 4755857 43651 10:40:09 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:02 lo 0.27 0.27 0.04 0.04 0.00 0.00 0.00 0.00 10:50:02 ens3 19.56 16.72 219.43 3.30 0.00 0.00 0.00 0.00 10:50:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:08 lo 1345.86 1345.86 1275.53 1275.53 0.00 0.00 0.00 0.00 11:00:08 ens3 116.76 89.68 929.90 19.12 0.00 0.00 0.00 0.00 11:00:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:08 lo 1539.98 1539.98 1466.58 1466.58 0.00 0.00 0.00 0.00 11:10:08 ens3 54.72 40.81 57.65 13.78 0.00 0.00 0.00 0.00 11:10:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 967.18 967.18 918.92 918.92 0.00 0.00 0.00 0.00 Average: ens3 64.06 49.36 405.15 12.13 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 5.15.0-168-generic (prd-ubuntu2204-docker-4c-4g-24145) 02/28/26 _x86_64_ (4 CPU) 10:39:20 LINUX RESTART (4 CPU) 10:40:09 CPU %user %nice %system %iowait %steal %idle 10:50:02 all 2.06 0.00 0.23 0.20 0.03 97.49 10:50:02 0 0.45 0.00 0.07 0.03 0.02 99.43 10:50:02 1 4.98 0.00 0.43 0.48 0.04 94.07 10:50:02 2 1.49 0.00 0.20 0.25 0.03 98.02 10:50:02 3 1.30 0.00 0.19 0.04 0.03 98.43 11:00:08 all 62.39 0.00 2.64 0.10 0.10 34.77 11:00:08 0 62.36 0.00 2.56 0.09 0.10 34.90 11:00:08 1 62.47 0.00 2.50 0.16 0.10 34.77 11:00:08 2 62.31 0.00 2.81 0.08 0.09 34.70 11:00:08 3 62.43 0.00 2.69 0.07 0.10 34.71 11:10:08 all 63.97 0.00 2.62 0.19 0.11 33.11 11:10:08 0 64.16 0.00 2.57 0.13 0.11 33.03 11:10:08 1 64.00 0.00 2.86 0.27 0.11 32.76 11:10:08 2 63.42 0.00 2.61 0.14 0.11 33.73 11:10:08 3 64.31 0.00 2.45 0.22 0.10 32.92 Average: all 42.97 0.00 1.84 0.16 0.08 54.95 Average: 0 42.48 0.00 1.74 0.08 0.08 55.62 Average: 1 43.97 0.00 1.94 0.30 0.08 53.71 Average: 2 42.59 0.00 1.88 0.16 0.08 55.30 Average: 3 42.86 0.00 1.79 0.11 0.08 55.17