---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-7894 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 685 8775 4 6528 14961 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:19:82:e2 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.188/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84167sec preferred_lft 84167sec inet6 fe80::f816:3eff:fe19:82e2/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 02:4c:37:17:c9:09 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-7894) 02/05/26 _x86_64_ (4 CPU) 09:58:18 LINUX RESTART (4 CPU) 10:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:07 31.65 4.17 25.11 2.37 593.52 4789.23 9102.61 10:20:08 27.43 0.02 24.24 3.17 0.24 2232.07 10055.86 10:30:01 36.10 0.03 19.81 16.25 0.70 4021.27 269238.29 Average: 31.71 1.42 23.07 7.22 200.18 3682.91 95162.02 10:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:07 9777580 13228700 2732104 16.69 127356 3466980 2849556 16.36 741932 5496000 111468 10:20:08 8866072 12637816 3319232 20.27 146616 3737884 3502368 20.10 862884 6248496 25108 10:30:01 5132276 9866276 6086584 37.17 158892 4648140 5692348 32.67 1144024 9635392 27132 Average: 7925309 11910931 4045973 24.71 144288 3951001 4014757 23.04 916280 7126629 54569 10:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:07 lo 846.58 846.58 805.17 805.17 0.00 0.00 0.00 0.00 10:10:07 ens3 118.47 88.64 1056.08 17.61 0.00 0.00 0.00 0.00 10:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:08 lo 1455.57 1455.57 1381.38 1381.38 0.00 0.00 0.00 0.00 10:20:08 ens3 37.89 32.14 19.83 11.41 0.00 0.00 0.00 0.00 10:20:08 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:01 lo 875.74 875.74 7189.17 7189.17 0.00 0.00 0.00 0.00 10:30:01 ens3 27.69 23.03 23.04 8.21 0.00 0.00 0.00 0.00 10:30:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 1059.38 1059.38 3101.60 3101.60 0.00 0.00 0.00 0.00 Average: ens3 61.66 48.16 369.84 12.44 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-7894) 02/05/26 _x86_64_ (4 CPU) 09:58:18 LINUX RESTART (4 CPU) 10:00:01 CPU %user %nice %system %iowait %steal %idle 10:10:07 all 39.85 0.00 1.82 0.23 0.07 58.03 10:10:07 0 42.99 0.00 1.84 0.16 0.06 54.95 10:10:07 1 37.63 0.00 1.87 0.43 0.07 60.01 10:10:07 2 39.03 0.00 1.60 0.13 0.06 59.19 10:10:07 3 39.76 0.00 1.97 0.19 0.07 58.00 10:20:08 all 65.06 0.00 2.46 0.11 0.10 32.26 10:20:08 0 64.71 0.00 2.53 0.09 0.10 32.58 10:20:08 1 65.16 0.00 2.59 0.15 0.10 32.00 10:20:08 2 67.01 0.00 2.46 0.09 0.10 30.34 10:20:08 3 63.37 0.00 2.28 0.13 0.10 34.13 10:30:01 all 50.76 0.00 1.82 0.17 0.10 47.15 10:30:01 0 50.36 0.00 1.60 0.13 0.10 47.81 10:30:01 1 52.25 0.00 2.35 0.17 0.10 45.13 10:30:01 2 47.26 0.00 1.81 0.19 0.10 50.65 10:30:01 3 53.17 0.00 1.53 0.20 0.09 45.01 Average: all 51.85 0.00 2.03 0.17 0.09 45.86 Average: 0 52.66 0.00 1.99 0.13 0.09 45.14 Average: 1 51.63 0.00 2.27 0.25 0.09 45.76 Average: 2 51.07 0.00 1.95 0.13 0.09 46.76 Average: 3 52.04 0.00 1.93 0.17 0.09 45.77