---> uname -a: Linux prd-ubuntu2204-docker-4c-16g-23987 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 18G 60G 23% / 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 710 10643 4 4635 14936 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:85:8b:bb brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.34/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 79723sec preferred_lft 79723sec inet6 fe80::f816:3eff:fe85:8bbb/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether 86:f7:94:ac:93:97 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 inet6 fe80::84f7:94ff:feac:9397/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-168-generic (prd-ubuntu2204-docker-4c-16g-23987) 02/28/26 _x86_64_ (4 CPU) 04:38:15 LINUX RESTART (4 CPU) 04:40:02 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 04:50:11 109.28 8.29 96.50 4.49 792.58 34858.92 13819.50 05:00:02 67.06 23.34 41.30 2.42 323.86 3855.05 1890.01 05:10:01 9.99 0.14 9.33 0.52 7.89 315.10 706.33 05:20:21 8.69 0.04 8.15 0.50 1.74 527.97 566.71 05:30:21 18.32 0.03 17.53 0.75 2.23 585.99 866.97 05:40:21 7.63 0.01 7.33 0.29 0.95 223.46 258.15 05:50:01 5.42 0.01 5.23 0.18 0.73 154.57 226.89 06:00:22 22.61 0.09 6.92 15.60 3.84 250.22 204179.80 06:10:23 4.66 0.01 4.49 0.16 0.33 156.78 191.79 06:20:23 11.85 0.88 10.42 0.55 236.07 813.92 233.83 Average: 26.60 3.25 20.76 2.60 137.19 4204.95 22952.42 04:40:02 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 04:50:11 1634040 12952592 2967468 18.12 257188 10806204 3840024 22.04 2110768 11807396 495460 05:00:02 2181916 5451912 10478420 64.00 265760 2980852 11253800 64.60 1967636 11625680 2104 05:10:01 8527288 11826556 4109448 25.10 266984 3008888 6062044 34.80 1990024 5287376 6368 05:20:21 9110500 12505512 3430620 20.95 271452 3100076 4357064 25.01 2010924 4694448 1600 05:30:21 9471184 12952552 2983876 18.22 274692 3183208 3741068 21.47 2036280 4308764 408 05:40:21 7976908 11487956 4447420 27.16 275496 3212092 5236388 30.06 2038304 5784736 132 05:50:01 11782028 15329772 607120 3.71 275964 3248524 1379352 7.92 2040488 1988644 18124 06:00:22 6585236 10160684 5774108 35.27 277204 3274792 6648352 38.16 2049792 7168156 300 06:10:23 7944236 11543740 4391848 26.82 277912 3298140 5195228 29.82 2052316 5806496 148 06:20:23 7478216 11342672 4592384 28.05 283464 3552164 5273700 30.27 2135696 6168788 52 Average: 7269155 11555395 4378271 26.74 272612 3966494 5298702 30.41 2043223 6464048 52470 04:40:02 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 04:50:11 lo 3.05 3.05 2.30 2.30 0.00 0.00 0.00 0.00 04:50:11 ens3 125.56 96.90 1780.53 10.60 0.00 0.00 0.00 0.00 04:50:11 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:00:02 lo 45.30 45.30 27.16 27.16 0.00 0.00 0.00 0.00 05:00:02 ens3 2.20 1.90 0.50 0.42 0.00 0.00 0.00 0.00 05:00:02 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:10:01 lo 30.52 30.52 11.22 11.22 0.00 0.00 0.00 0.00 05:10:01 ens3 1.35 1.54 0.27 1.52 0.00 0.00 0.00 0.00 05:10:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:20:21 lo 11.48 11.48 6.78 6.78 0.00 0.00 0.00 0.00 05:20:21 ens3 0.65 0.51 0.19 0.14 0.00 0.00 0.00 0.00 05:20:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:30:21 lo 12.67 12.67 7.28 7.28 0.00 0.00 0.00 0.00 05:30:21 ens3 1.01 0.80 0.24 0.19 0.00 0.00 0.00 0.00 05:30:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:40:21 lo 19.99 19.99 9.62 9.62 0.00 0.00 0.00 0.00 05:40:21 ens3 0.81 0.63 0.18 0.14 0.00 0.00 0.00 0.00 05:40:21 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 05:50:01 lo 28.94 28.94 10.15 10.15 0.00 0.00 0.00 0.00 05:50:01 ens3 0.57 0.40 0.11 0.08 0.00 0.00 0.00 0.00 05:50:01 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:00:22 lo 19.85 19.85 10.99 10.99 0.00 0.00 0.00 0.00 06:00:22 ens3 0.74 0.59 0.15 0.11 0.00 0.00 0.00 0.00 06:00:22 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:10:23 lo 16.53 16.53 9.56 9.56 0.00 0.00 0.00 0.00 06:10:23 ens3 0.62 0.50 0.15 0.12 0.00 0.00 0.00 0.00 06:10:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 06:20:23 lo 21.29 21.29 10.33 10.33 0.00 0.00 0.00 0.00 06:20:23 ens3 3.62 2.27 58.54 0.32 0.00 0.00 0.00 0.00 06:20:23 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 20.84 20.84 10.49 10.49 0.00 0.00 0.00 0.00 Average: ens3 13.84 10.70 185.96 1.38 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-16g-23987) 02/28/26 _x86_64_ (4 CPU) 04:38:15 LINUX RESTART (4 CPU) 04:40:02 CPU %user %nice %system %iowait %steal %idle 04:50:11 all 45.20 0.00 2.56 7.25 0.09 44.91 04:50:11 0 44.85 0.00 2.67 8.32 0.09 44.07 04:50:11 1 46.99 0.00 2.76 5.16 0.10 44.99 04:50:11 2 43.88 0.00 2.45 8.92 0.09 44.67 04:50:11 3 45.07 0.00 2.35 6.59 0.10 45.90 05:00:02 all 63.57 0.00 2.40 0.19 0.11 33.72 05:00:02 0 64.09 0.00 2.31 0.39 0.11 33.10 05:00:02 1 63.45 0.00 2.48 0.11 0.11 33.84 05:00:02 2 64.35 0.00 2.36 0.09 0.11 33.09 05:00:02 3 62.41 0.00 2.45 0.18 0.12 34.85 05:10:01 all 22.47 0.00 0.95 0.05 0.09 76.44 05:10:01 0 22.54 0.00 0.92 0.03 0.09 76.42 05:10:01 1 22.14 0.00 0.95 0.07 0.09 76.75 05:10:01 2 23.03 0.00 0.97 0.03 0.09 75.88 05:10:01 3 22.15 0.00 0.97 0.08 0.09 76.71 05:20:21 all 17.63 0.00 0.78 0.05 0.08 81.46 05:20:21 0 17.48 0.00 0.71 0.01 0.07 81.72 05:20:21 1 17.46 0.00 0.81 0.09 0.09 81.55 05:20:21 2 18.07 0.00 0.86 0.06 0.08 80.93 05:20:21 3 17.51 0.00 0.74 0.05 0.07 81.64 05:30:21 all 30.91 0.00 1.12 0.07 0.08 67.81 05:30:21 0 30.64 0.00 1.17 0.03 0.08 68.09 05:30:21 1 31.94 0.00 1.13 0.07 0.09 66.77 05:30:21 2 31.45 0.00 1.09 0.10 0.08 67.28 05:30:21 3 29.63 0.00 1.09 0.09 0.08 69.11 05:40:21 all 14.35 0.00 0.51 0.03 0.08 85.02 05:40:21 0 13.23 0.00 0.52 0.03 0.08 86.15 05:40:21 1 14.99 0.00 0.45 0.01 0.08 84.46 05:40:21 2 14.60 0.00 0.51 0.05 0.09 84.76 05:40:21 3 14.58 0.00 0.56 0.04 0.08 84.73 05:50:01 all 8.75 0.00 0.49 0.03 0.08 90.64 05:50:01 0 8.36 0.00 0.45 0.01 0.08 91.09 05:50:01 1 8.99 0.00 0.46 0.02 0.08 90.46 05:50:01 2 8.97 0.00 0.45 0.01 0.09 90.48 05:50:01 3 8.69 0.00 0.60 0.07 0.09 90.55 06:00:22 all 15.65 0.00 0.53 0.06 0.09 83.67 06:00:22 0 15.10 0.00 0.64 0.06 0.09 84.11 06:00:22 1 16.11 0.00 0.53 0.07 0.09 83.19 06:00:22 2 16.18 0.00 0.47 0.09 0.10 83.15 06:00:22 3 15.20 0.00 0.47 0.01 0.09 84.23 06:10:23 all 8.25 0.00 0.41 0.04 0.08 91.21 06:10:23 0 7.60 0.00 0.44 0.03 0.08 91.84 06:10:23 1 8.27 0.00 0.37 0.01 0.08 91.27 06:10:23 2 8.70 0.00 0.46 0.08 0.09 90.67 06:10:23 3 8.43 0.00 0.38 0.06 0.08 91.05 06:20:23 all 14.15 0.00 0.61 0.08 0.09 85.08 06:20:23 0 14.33 0.00 0.67 0.18 0.09 84.73 06:20:23 1 13.90 0.00 0.64 0.01 0.09 85.35 06:20:23 2 14.00 0.00 0.58 0.06 0.09 85.26 06:20:23 3 14.34 0.00 0.55 0.05 0.09 84.97 Average: all 24.05 0.00 1.04 0.79 0.09 74.04 Average: 0 23.78 0.00 1.05 0.92 0.09 74.17 Average: 1 24.38 0.00 1.06 0.57 0.09 73.90 Average: 2 24.28 0.00 1.02 0.96 0.09 73.65 Average: 3 23.75 0.00 1.01 0.73 0.09 74.42