---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-36381 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 700 8048 4 7240 14946 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:89:27:d1 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.194/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 83829sec preferred_lft 83829sec inet6 fe80::f816:3eff:fe89:27d1/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether c6:b0:3b:3a:c3:81 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-36381) 07/16/26 _x86_64_ (4 CPU) 09:50:20 LINUX RESTART (4 CPU) 10:00:01 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:10:01 22.95 0.01 20.38 2.56 0.19 1945.71 6139.18 10:20:01 28.40 0.03 25.55 2.82 0.40 4121.95 6725.18 10:30:01 13.62 0.14 12.10 1.39 9.52 7407.52 51417.37 Average: 21.66 0.06 19.34 2.25 3.37 4491.81 21427.27 10:00:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:10:01 9071120 13089176 2865368 17.50 153688 3958756 2826148 16.22 762280 6116044 11644 10:20:01 7423568 12408800 3542060 21.63 168540 4869316 3380388 19.40 1029764 7448288 252 10:30:01 8296364 15349472 593908 3.63 182700 6856408 1123292 6.45 1777168 5736796 8 Average: 8263684 13615816 2333779 14.25 168309 5228160 2443276 14.02 1189737 6433709 3968 10:00:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:10:01 lo 1272.01 1272.01 1207.12 1207.12 0.00 0.00 0.00 0.00 10:10:01 ens3 33.62 27.91 14.56 9.84 0.00 0.00 0.00 0.00 10:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:20:01 lo 1086.40 1086.40 1029.63 1029.63 0.00 0.00 0.00 0.00 10:20:01 ens3 42.73 32.85 25.32 11.67 0.00 0.00 0.00 0.00 10:20:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 10:30:01 lo 2561.93 2561.93 9291.48 9291.48 0.00 0.00 0.00 0.00 10:30:01 ens3 51.13 56.15 138.98 584.71 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 1640.11 1640.11 3842.74 3842.74 0.00 0.00 0.00 0.00 Average: ens3 42.50 38.97 59.62 202.07 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-36381) 07/16/26 _x86_64_ (4 CPU) 09:50:20 LINUX RESTART (4 CPU) 10:00:01 CPU %user %nice %system %iowait %steal %idle 10:10:01 all 66.00 0.00 2.32 0.05 0.14 31.49 10:10:01 0 65.77 0.00 1.87 0.08 0.14 32.15 10:10:01 1 66.21 0.00 2.21 0.03 0.14 31.41 10:10:01 2 66.05 0.00 2.38 0.03 0.14 31.40 10:10:01 3 65.97 0.00 2.83 0.06 0.13 31.01 10:20:01 all 51.02 0.00 2.18 0.08 0.11 46.62 10:20:01 0 49.67 0.00 2.34 0.08 0.10 47.81 10:20:01 1 50.34 0.00 2.27 0.03 0.11 47.25 10:20:01 2 54.52 0.00 2.06 0.12 0.11 43.18 10:20:01 3 49.55 0.00 2.04 0.07 0.10 48.23 10:30:01 all 33.66 0.00 1.28 0.11 0.07 64.88 10:30:01 0 38.64 0.00 0.86 0.08 0.07 60.35 10:30:01 1 24.85 0.00 1.67 0.21 0.07 73.20 10:30:01 2 34.80 0.00 1.30 0.09 0.08 63.74 10:30:01 3 36.34 0.00 1.29 0.07 0.08 62.23 Average: all 50.21 0.00 1.93 0.08 0.11 47.68 Average: 0 51.35 0.00 1.69 0.08 0.10 46.78 Average: 1 47.11 0.00 2.05 0.09 0.10 50.64 Average: 2 51.77 0.00 1.92 0.08 0.11 46.13 Average: 3 50.61 0.00 2.05 0.07 0.11 47.17