---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-19272 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: 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 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 636 8771 4 6581 15010 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:94:9a:c8 brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.171.125/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84445sec preferred_lft 84445sec inet6 fe80::f816:3eff:fe94:9ac8/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether a2:d0:4d:fb:25:51 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-19272) 02/20/26 _x86_64_ (4 CPU) 10:39:59 LINUX RESTART (4 CPU) 10:40:00 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:07 67.25 15.25 49.66 2.34 1970.38 15641.91 15096.21 11:00:07 26.83 0.08 23.61 3.15 6.79 2253.20 14819.72 11:10:07 31.47 0.15 28.04 3.28 6.85 9405.29 12074.29 Average: 41.95 5.20 33.83 2.92 666.53 9126.09 14001.10 10:40:00 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:07 10117672 13583424 2376904 14.52 126920 3487372 2558560 14.69 699728 5194876 122452 11:00:07 9235860 13120024 2836164 17.32 148944 3845124 3047288 17.49 844640 5892340 108156 11:10:07 8976568 15355012 591364 3.61 176804 6222124 1110400 6.37 1717456 5153456 84 Average: 9443367 14019487 1934811 11.82 150889 4518207 2238749 12.85 1087275 5413557 76897 10:40:00 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:07 lo 668.35 668.35 636.67 636.67 0.00 0.00 0.00 0.00 10:50:07 ens3 170.92 125.27 1494.57 23.48 0.00 0.00 0.00 0.00 10:50:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:07 lo 1306.41 1306.41 1237.11 1237.11 0.00 0.00 0.00 0.00 11:00:07 ens3 43.30 34.25 23.29 11.66 0.00 0.00 0.00 0.00 11:00:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:10:07 lo 829.84 829.84 782.09 782.09 0.00 0.00 0.00 0.00 11:10:07 ens3 100.74 101.75 162.85 973.35 0.00 0.00 0.00 0.00 11:10:07 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 933.81 933.81 884.30 884.30 0.00 0.00 0.00 0.00 Average: ens3 105.25 87.24 563.95 334.92 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-19272) 02/20/26 _x86_64_ (4 CPU) 10:39:59 LINUX RESTART (4 CPU) 10:40:00 CPU %user %nice %system %iowait %steal %idle 10:50:07 all 27.05 0.00 1.69 0.51 0.06 70.70 10:50:07 0 28.08 0.00 1.79 0.68 0.06 69.39 10:50:07 1 27.36 0.00 1.94 0.50 0.06 70.14 10:50:07 2 26.53 0.00 1.60 0.26 0.06 71.55 10:50:07 3 26.20 0.00 1.43 0.61 0.05 71.70 11:00:07 all 63.81 0.00 2.31 0.06 0.10 33.73 11:00:07 0 64.46 0.00 2.41 0.03 0.10 33.00 11:00:07 1 64.84 0.00 2.43 0.05 0.10 32.59 11:00:07 2 63.99 0.00 2.34 0.06 0.10 33.52 11:00:07 3 61.95 0.00 2.04 0.10 0.10 35.81 11:10:07 all 49.50 0.00 2.05 0.18 0.09 48.19 11:10:07 0 52.96 0.00 2.22 0.14 0.09 44.60 11:10:07 1 49.06 0.00 2.17 0.37 0.09 48.31 11:10:07 2 52.31 0.00 1.94 0.08 0.08 45.60 11:10:07 3 43.65 0.00 1.87 0.15 0.09 54.25 Average: all 46.69 0.00 2.01 0.25 0.08 50.97 Average: 0 48.40 0.00 2.14 0.28 0.08 49.09 Average: 1 46.98 0.00 2.18 0.31 0.08 50.45 Average: 2 47.51 0.00 1.96 0.13 0.08 50.32 Average: 3 43.86 0.00 1.78 0.29 0.08 54.00